Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (102 commits)
  crypto: sha-s390 - Fix warnings in import function
  crypto: vmac - New hash algorithm for intel_txt support
  crypto: api - Do not displace newly registered algorithms
  crypto: ansi_cprng - Fix module initialization
  crypto: xcbc - Fix alignment calculation of xcbc_tfm_ctx
  crypto: fips - Depend on ansi_cprng
  crypto: blkcipher - Do not use eseqiv on stream ciphers
  crypto: ctr - Use chainiv on raw counter mode
  Revert crypto: fips - Select CPRNG
  crypto: rng - Fix typo
  crypto: talitos - add support for 36 bit addressing
  crypto: talitos - align locks on cache lines
  crypto: talitos - simplify hmac data size calculation
  crypto: mv_cesa - Add support for Orion5X crypto engine
  crypto: cryptd - Add support to access underlaying shash
  crypto: gcm - Use GHASH digest algorithm
  crypto: ghash - Add GHASH digest algorithm for GCM
  crypto: authenc - Convert to ahash
  crypto: api - Fix aligned ctx helper
  crypto: hmac - Prehash ipad/opad
  ...

27 files changed, 2960 insertions, 1075 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 4dfdd03e708..26b5dd0cb56 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -23,11 +23,13 @@ comment "Crypto core or helper"
 
 config CRYPTO_FIPS
 	bool "FIPS 200 compliance"
+	depends on CRYPTO_ANSI_CPRNG
 	help
 	  This options enables the fips boot option which is
 	  required if you want to system to operate in a FIPS 200
 	  certification.  You should say no unless you know what
-	  this is.
+	  this is. Note that CRYPTO_ANSI_CPRNG is requred if this
+	  option is selected
 
 config CRYPTO_ALGAPI
 	tristate
@@ -156,7 +158,7 @@ config CRYPTO_GCM
 	tristate "GCM/GMAC support"
 	select CRYPTO_CTR
 	select CRYPTO_AEAD
-	select CRYPTO_GF128MUL
+	select CRYPTO_GHASH
 	help
 	  Support for Galois/Counter Mode (GCM) and Galois Message
 	  Authentication Code (GMAC). Required for IPSec.
@@ -267,6 +269,18 @@ config CRYPTO_XCBC
 		http://csrc.nist.gov/encryption/modes/proposedmodes/
 		 xcbc-mac/xcbc-mac-spec.pdf
 
+config CRYPTO_VMAC
+	tristate "VMAC support"
+	depends on EXPERIMENTAL
+	select CRYPTO_HASH
+	select CRYPTO_MANAGER
+	help
+	  VMAC is a message authentication algorithm designed for
+	  very high speed on 64-bit architectures.
+
+	  See also:
+	  <http://fastcrypto.org/vmac>
+
 comment "Digest"
 
 config CRYPTO_CRC32C
@@ -289,6 +303,13 @@ config CRYPTO_CRC32C_INTEL
 	  gain performance compared with software implementation.
 	  Module will be crc32c-intel.
 
+config CRYPTO_GHASH
+	tristate "GHASH digest algorithm"
+	select CRYPTO_SHASH
+	select CRYPTO_GF128MUL
+	help
+	  GHASH is message digest algorithm for GCM (Galois/Counter Mode).
+
 config CRYPTO_MD4
 	tristate "MD4 digest algorithm"
 	select CRYPTO_HASH
@@ -780,13 +801,14 @@ comment "Random Number Generation"
 
 config CRYPTO_ANSI_CPRNG
 	tristate "Pseudo Random Number Generation for Cryptographic modules"
+	default m
 	select CRYPTO_AES
 	select CRYPTO_RNG
-	select CRYPTO_FIPS
 	help
 	  This option enables the generic pseudo random number generator
 	  for cryptographic modules.  Uses the Algorithm specified in
-	  ANSI X9.31 A.2.4
+	  ANSI X9.31 A.2.4. Not this option must be enabled if CRYPTO_FIPS 
+	  is selected
 
 source "drivers/crypto/Kconfig"
 
diff --git a/crypto/Makefile b/crypto/Makefile
index 673d9f7c1bd..9e8f61908cb 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-$(CONFIG_CRYPTO) += crypto.o
-crypto-objs := api.o cipher.o digest.o compress.o
+crypto-objs := api.o cipher.o compress.o
 
 obj-$(CONFIG_CRYPTO_WORKQUEUE) += crypto_wq.o
 
@@ -22,7 +22,6 @@ obj-$(CONFIG_CRYPTO_BLKCIPHER2) += chainiv.o
 obj-$(CONFIG_CRYPTO_BLKCIPHER2) += eseqiv.o
 obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o
 
-crypto_hash-objs := hash.o
 crypto_hash-objs += ahash.o
 crypto_hash-objs += shash.o
 obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o
@@ -33,6 +32,7 @@ cryptomgr-objs := algboss.o testmgr.o
 
 obj-$(CONFIG_CRYPTO_MANAGER2) += cryptomgr.o
 obj-$(CONFIG_CRYPTO_HMAC) += hmac.o
+obj-$(CONFIG_CRYPTO_VMAC) += vmac.o
 obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o
 obj-$(CONFIG_CRYPTO_NULL) += crypto_null.o
 obj-$(CONFIG_CRYPTO_MD4) += md4.o
@@ -83,6 +83,7 @@ obj-$(CONFIG_CRYPTO_RNG2) += rng.o
 obj-$(CONFIG_CRYPTO_RNG2) += krng.o
 obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o
 obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o
+obj-$(CONFIG_CRYPTO_GHASH) += ghash-generic.o
 
 #
 # generic algorithms and the async_tx api
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index e11ce37c710..f6f08336df5 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -14,6 +14,7 @@
  */
 
 #include <crypto/internal/skcipher.h>
+#include <linux/cpumask.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -25,6 +26,8 @@
 
 #include "internal.h"
 
+static const char *skcipher_default_geniv __read_mostly;
+
 static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key,
 			    unsigned int keylen)
 {
@@ -180,7 +183,14 @@ EXPORT_SYMBOL_GPL(crypto_givcipher_type);
 
 const char *crypto_default_geniv(const struct crypto_alg *alg)
 {
-	return alg->cra_flags & CRYPTO_ALG_ASYNC ? "eseqiv" : "chainiv";
+	if (((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) ==
+	     CRYPTO_ALG_TYPE_BLKCIPHER ? alg->cra_blkcipher.ivsize :
+					 alg->cra_ablkcipher.ivsize) !=
+	    alg->cra_blocksize)
+		return "chainiv";
+
+	return alg->cra_flags & CRYPTO_ALG_ASYNC ?
+	       "eseqiv" : skcipher_default_geniv;
 }
 
 static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask)
@@ -201,8 +211,9 @@ static int crypto_givcipher_default(struct crypto_alg *alg, u32 type, u32 mask)
 	int err;
 
 	larval = crypto_larval_lookup(alg->cra_driver_name,
+				      (type & ~CRYPTO_ALG_TYPE_MASK) |
 				      CRYPTO_ALG_TYPE_GIVCIPHER,
-				      CRYPTO_ALG_TYPE_MASK);
+				      mask | CRYPTO_ALG_TYPE_MASK);
 	err = PTR_ERR(larval);
 	if (IS_ERR(larval))
 		goto out;
@@ -360,3 +371,17 @@ err:
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_ablkcipher);
+
+static int __init skcipher_module_init(void)
+{
+	skcipher_default_geniv = num_possible_cpus() > 1 ?
+				 "eseqiv" : "chainiv";
+	return 0;
+}
+
+static void skcipher_module_exit(void)
+{
+}
+
+module_init(skcipher_module_init);
+module_exit(skcipher_module_exit);
diff --git a/crypto/aes_generic.c b/crypto/aes_generic.c
index b8b66ec3883..e78b7ee44a7 100644
--- a/crypto/aes_generic.c
+++ b/crypto/aes_generic.c
@@ -1174,7 +1174,7 @@ EXPORT_SYMBOL_GPL(crypto_il_tab);
 	ctx->key_enc[6 * i + 11] = t;		\
 } while (0)
 
-#define loop8(i)	do {			\
+#define loop8tophalf(i)	do {			\
 	t = ror32(t, 8);			\
 	t = ls_box(t) ^ rco_tab[i];		\
 	t ^= ctx->key_enc[8 * i];			\
@@ -1185,6 +1185,10 @@ EXPORT_SYMBOL_GPL(crypto_il_tab);
 	ctx->key_enc[8 * i + 10] = t;			\
 	t ^= ctx->key_enc[8 * i + 3];			\
 	ctx->key_enc[8 * i + 11] = t;			\
+} while (0)
+
+#define loop8(i)	do {				\
+	loop8tophalf(i);				\
 	t  = ctx->key_enc[8 * i + 4] ^ ls_box(t);	\
 	ctx->key_enc[8 * i + 12] = t;			\
 	t ^= ctx->key_enc[8 * i + 5];			\
@@ -1245,8 +1249,9 @@ int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
 		ctx->key_enc[5] = le32_to_cpu(key[5]);
 		ctx->key_enc[6] = le32_to_cpu(key[6]);
 		t = ctx->key_enc[7] = le32_to_cpu(key[7]);
-		for (i = 0; i < 7; ++i)
+		for (i = 0; i < 6; ++i)
 			loop8(i);
+		loop8tophalf(i);
 		break;
 	}
 
diff --git a/crypto/ahash.c b/crypto/ahash.c
index f3476374f76..33a4ff45f84 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -24,6 +24,19 @@
 
 #include "internal.h"
 
+struct ahash_request_priv {
+	crypto_completion_t complete;
+	void *data;
+	u8 *result;
+	void *ubuf[] CRYPTO_MINALIGN_ATTR;
+};
+
+static inline struct ahash_alg *crypto_ahash_alg(struct crypto_ahash *hash)
+{
+	return container_of(crypto_hash_alg_common(hash), struct ahash_alg,
+			    halg);
+}
+
 static int hash_walk_next(struct crypto_hash_walk *walk)
 {
 	unsigned int alignmask = walk->alignmask;
@@ -132,36 +145,34 @@ int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
 static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,
 				unsigned int keylen)
 {
-	struct ahash_alg *ahash = crypto_ahash_alg(tfm);
 	unsigned long alignmask = crypto_ahash_alignmask(tfm);
 	int ret;
 	u8 *buffer, *alignbuffer;
 	unsigned long absize;
 
 	absize = keylen + alignmask;
-	buffer = kmalloc(absize, GFP_ATOMIC);
+	buffer = kmalloc(absize, GFP_KERNEL);
 	if (!buffer)
 		return -ENOMEM;
 
 	alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
 	memcpy(alignbuffer, key, keylen);
-	ret = ahash->setkey(tfm, alignbuffer, keylen);
-	memset(alignbuffer, 0, keylen);
-	kfree(buffer);
+	ret = tfm->setkey(tfm, alignbuffer, keylen);
+	kzfree(buffer);
 	return ret;
 }
 
-static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
+int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
 			unsigned int keylen)
 {
-	struct ahash_alg *ahash = crypto_ahash_alg(tfm);
 	unsigned long alignmask = crypto_ahash_alignmask(tfm);
 
 	if ((unsigned long)key & alignmask)
 		return ahash_setkey_unaligned(tfm, key, keylen);
 
-	return ahash->setkey(tfm, key, keylen);
+	return tfm->setkey(tfm, key, keylen);
 }
+EXPORT_SYMBOL_GPL(crypto_ahash_setkey);
 
 static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
 			  unsigned int keylen)
@@ -169,44 +180,221 @@ static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
 	return -ENOSYS;
 }
 
-int crypto_ahash_import(struct ahash_request *req, const u8 *in)
+static inline unsigned int ahash_align_buffer_size(unsigned len,
+						   unsigned long mask)
+{
+	return len + (mask & ~(crypto_tfm_ctx_alignment() - 1));
+}
+
+static void ahash_op_unaligned_finish(struct ahash_request *req, int err)
+{
+	struct ahash_request_priv *priv = req->priv;
+
+	if (err == -EINPROGRESS)
+		return;
+
+	if (!err)
+		memcpy(priv->result, req->result,
+		       crypto_ahash_digestsize(crypto_ahash_reqtfm(req)));
+
+	kzfree(priv);
+}
+
+static void ahash_op_unaligned_done(struct crypto_async_request *req, int err)
+{
+	struct ahash_request *areq = req->data;
+	struct ahash_request_priv *priv = areq->priv;
+	crypto_completion_t complete = priv->complete;
+	void *data = priv->data;
+
+	ahash_op_unaligned_finish(areq, err);
+
+	complete(data, err);
+}
+
+static int ahash_op_unaligned(struct ahash_request *req,
+			      int (*op)(struct ahash_request *))
 {
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
-	struct ahash_alg *alg = crypto_ahash_alg(tfm);
+	unsigned long alignmask = crypto_ahash_alignmask(tfm);
+	unsigned int ds = crypto_ahash_digestsize(tfm);
+	struct ahash_request_priv *priv;
+	int err;
+
+	priv = kmalloc(sizeof(*priv) + ahash_align_buffer_size(ds, alignmask),
+		       (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+		       GFP_KERNEL : GFP_ATOMIC);
+	if (!priv)
+		return -ENOMEM;
 
-	memcpy(ahash_request_ctx(req), in, crypto_ahash_reqsize(tfm));
+	priv->result = req->result;
+	priv->complete = req->base.complete;
+	priv->data = req->base.data;
 
-	if (alg->reinit)
-		alg->reinit(req);
+	req->result = PTR_ALIGN((u8 *)priv->ubuf, alignmask + 1);
+	req->base.complete = ahash_op_unaligned_done;
+	req->base.data = req;
+	req->priv = priv;
 
-	return 0;
+	err = op(req);
+	ahash_op_unaligned_finish(req, err);
+
+	return err;
 }
-EXPORT_SYMBOL_GPL(crypto_ahash_import);
 
-static unsigned int crypto_ahash_ctxsize(struct crypto_alg *alg, u32 type,
-					u32 mask)
+static int crypto_ahash_op(struct ahash_request *req,
+			   int (*op)(struct ahash_request *))
 {
-	return alg->cra_ctxsize;
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	unsigned long alignmask = crypto_ahash_alignmask(tfm);
+
+	if ((unsigned long)req->result & alignmask)
+		return ahash_op_unaligned(req, op);
+
+	return op(req);
 }
 
-static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
+int crypto_ahash_final(struct ahash_request *req)
 {
-	struct ahash_alg *alg = &tfm->__crt_alg->cra_ahash;
-	struct ahash_tfm *crt   = &tfm->crt_ahash;
+	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->final);
+}
+EXPORT_SYMBOL_GPL(crypto_ahash_final);
 
-	if (alg->digestsize > PAGE_SIZE / 8)
-		return -EINVAL;
+int crypto_ahash_finup(struct ahash_request *req)
+{
+	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->finup);
+}
+EXPORT_SYMBOL_GPL(crypto_ahash_finup);
+
+int crypto_ahash_digest(struct ahash_request *req)
+{
+	return crypto_ahash_op(req, crypto_ahash_reqtfm(req)->digest);
+}
+EXPORT_SYMBOL_GPL(crypto_ahash_digest);
+
+static void ahash_def_finup_finish2(struct ahash_request *req, int err)
+{
+	struct ahash_request_priv *priv = req->priv;
+
+	if (err == -EINPROGRESS)
+		return;
+
+	if (!err)
+		memcpy(priv->result, req->result,
+		       crypto_ahash_digestsize(crypto_ahash_reqtfm(req)));
 
-	crt->init = alg->init;
-	crt->update = alg->update;
-	crt->final  = alg->final;
-	crt->digest = alg->digest;
-	crt->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey;
-	crt->digestsize = alg->digestsize;
+	kzfree(priv);
+}
+
+static void ahash_def_finup_done2(struct crypto_async_request *req, int err)
+{
+	struct ahash_request *areq = req->data;
+	struct ahash_request_priv *priv = areq->priv;
+	crypto_completion_t complete = priv->complete;
+	void *data = priv->data;
+
+	ahash_def_finup_finish2(areq, err);
+
+	complete(data, err);
+}
+
+static int ahash_def_finup_finish1(struct ahash_request *req, int err)
+{
+	if (err)
+		goto out;
+
+	req->base.complete = ahash_def_finup_done2;
+	req->base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
+	err = crypto_ahash_reqtfm(req)->final(req);
+
+out:
+	ahash_def_finup_finish2(req, err);
+	return err;
+}
+
+static void ahash_def_finup_done1(struct crypto_async_request *req, int err)
+{
+	struct ahash_request *areq = req->data;
+	struct ahash_request_priv *priv = areq->priv;
+	crypto_completion_t complete = priv->complete;
+	void *data = priv->data;
+
+	err = ahash_def_finup_finish1(areq, err);
+
+	complete(data, err);
+}
+
+static int ahash_def_finup(struct ahash_request *req)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	unsigned long alignmask = crypto_ahash_alignmask(tfm);
+	unsigned int ds = crypto_ahash_digestsize(tfm);
+	struct ahash_request_priv *priv;
+
+	priv = kmalloc(sizeof(*priv) + ahash_align_buffer_size(ds, alignmask),
+		       (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+		       GFP_KERNEL : GFP_ATOMIC);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->result = req->result;
+	priv->complete = req->base.complete;
+	priv->data = req->base.data;
+
+	req->result = PTR_ALIGN((u8 *)priv->ubuf, alignmask + 1);
+	req->base.complete = ahash_def_finup_done1;
+	req->base.data = req;
+	req->priv = priv;
+
+	return ahash_def_finup_finish1(req, tfm->update(req));
+}
+
+static int ahash_no_export(struct ahash_request *req, void *out)
+{
+	return -ENOSYS;
+}
+
+static int ahash_no_import(struct ahash_request *req, const void *in)
+{
+	return -ENOSYS;
+}
+
+static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
+{
+	struct crypto_ahash *hash = __crypto_ahash_cast(tfm);
+	struct ahash_alg *alg = crypto_ahash_alg(hash);
+
+	hash->setkey = ahash_nosetkey;
+	hash->export = ahash_no_export;
+	hash->import = ahash_no_import;
+
+	if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
+		return crypto_init_shash_ops_async(tfm);
+
+	hash->init = alg->init;
+	hash->update = alg->update;
+	hash->final = alg->final;
+	hash->finup = alg->finup ?: ahash_def_finup;
+	hash->digest = alg->digest;
+
+	if (alg->setkey)
+		hash->setkey = alg->setkey;
+	if (alg->export)
+		hash->export = alg->export;
+	if (alg->import)
+		hash->import = alg->import;
 
 	return 0;
 }
 
+static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
+{
+	if (alg->cra_type == &crypto_ahash_type)
+		return alg->cra_ctxsize;
+
+	return sizeof(struct crypto_shash *);
+}
+
 static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
 static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
@@ -215,17 +403,101 @@ static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
 	seq_printf(m, "async        : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
 					     "yes" : "no");
 	seq_printf(m, "blocksize    : %u\n", alg->cra_blocksize);
-	seq_printf(m, "digestsize   : %u\n", alg->cra_ahash.digestsize);
+	seq_printf(m, "digestsize   : %u\n",
+		   __crypto_hash_alg_common(alg)->digestsize);
 }
 
 const struct crypto_type crypto_ahash_type = {
-	.ctxsize = crypto_ahash_ctxsize,
-	.init = crypto_init_ahash_ops,
+	.extsize = crypto_ahash_extsize,
+	.init_tfm = crypto_ahash_init_tfm,
 #ifdef CONFIG_PROC_FS
 	.show = crypto_ahash_show,
 #endif
+	.maskclear = ~CRYPTO_ALG_TYPE_MASK,
+	.maskset = CRYPTO_ALG_TYPE_AHASH_MASK,
+	.type = CRYPTO_ALG_TYPE_AHASH,
+	.tfmsize = offsetof(struct crypto_ahash, base),
 };
 EXPORT_SYMBOL_GPL(crypto_ahash_type);
 
+struct crypto_ahash *crypto_alloc_ahash(const char *alg_name, u32 type,
+					u32 mask)
+{
+	return crypto_alloc_tfm(alg_name, &crypto_ahash_type, type, mask);
+}
+EXPORT_SYMBOL_GPL(crypto_alloc_ahash);
+
+static int ahash_prepare_alg(struct ahash_alg *alg)
+{
+	struct crypto_alg *base = &alg->halg.base;
+
+	if (alg->halg.digestsize > PAGE_SIZE / 8 ||
+	    alg->halg.statesize > PAGE_SIZE / 8)
+		return -EINVAL;
+
+	base->cra_type = &crypto_ahash_type;
+	base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
+	base->cra_flags |= CRYPTO_ALG_TYPE_AHASH;
+
+	return 0;
+}
+
+int crypto_register_ahash(struct ahash_alg *alg)
+{
+	struct crypto_alg *base = &alg->halg.base;
+	int err;
+
+	err = ahash_prepare_alg(alg);
+	if (err)
+		return err;
+
+	return crypto_register_alg(base);
+}
+EXPORT_SYMBOL_GPL(crypto_register_ahash);
+
+int crypto_unregister_ahash(struct ahash_alg *alg)
+{
+	return crypto_unregister_alg(&alg->halg.base);
+}
+EXPORT_SYMBOL_GPL(crypto_unregister_ahash);
+
+int ahash_register_instance(struct crypto_template *tmpl,
+			    struct ahash_instance *inst)
+{
+	int err;
+
+	err = ahash_prepare_alg(&inst->alg);
+	if (err)
+		return err;
+
+	return crypto_register_instance(tmpl, ahash_crypto_instance(inst));
+}
+EXPORT_SYMBOL_GPL(ahash_register_instance);
+
+void ahash_free_instance(struct crypto_instance *inst)
+{
+	crypto_drop_spawn(crypto_instance_ctx(inst));
+	kfree(ahash_instance(inst));
+}
+EXPORT_SYMBOL_GPL(ahash_free_instance);
+
+int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn,
+			    struct hash_alg_common *alg,
+			    struct crypto_instance *inst)
+{
+	return crypto_init_spawn2(&spawn->base, &alg->base, inst,
+				  &crypto_ahash_type);
+}
+EXPORT_SYMBOL_GPL(crypto_init_ahash_spawn);
+
+struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
+{
+	struct crypto_alg *alg;
+
+	alg = crypto_attr_alg2(rta, &crypto_ahash_type, type, mask);
+	return IS_ERR(alg) ? ERR_CAST(alg) : __crypto_hash_alg_common(alg);
+}
+EXPORT_SYMBOL_GPL(ahash_attr_alg);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Asynchronous cryptographic hash type");
diff --git a/crypto/algapi.c b/crypto/algapi.c
index df0863d5699..f149b1c8b76 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -81,16 +81,35 @@ static void crypto_destroy_instance(struct crypto_alg *alg)
 	crypto_tmpl_put(tmpl);
 }
 
+static struct list_head *crypto_more_spawns(struct crypto_alg *alg,
+					    struct list_head *stack,
+					    struct list_head *top,
+					    struct list_head *secondary_spawns)
+{
+	struct crypto_spawn *spawn, *n;
+
+	if (list_empty(stack))
+		return NULL;
+
+	spawn = list_first_entry(stack, struct crypto_spawn, list);
+	n = list_entry(spawn->list.next, struct crypto_spawn, list);
+
+	if (spawn->alg && &n->list != stack && !n->alg)
+		n->alg = (n->list.next == stack) ? alg :
+			 &list_entry(n->list.next, struct crypto_spawn,
+				     list)->inst->alg;
+
+	list_move(&spawn->list, secondary_spawns);
+
+	return &n->list == stack ? top : &n->inst->alg.cra_users;
+}
+
 static void crypto_remove_spawn(struct crypto_spawn *spawn,
-				struct list_head *list,
-				struct list_head *secondary_spawns)
+				struct list_head *list)
 {
 	struct crypto_instance *inst = spawn->inst;
 	struct crypto_template *tmpl = inst->tmpl;
 
-	list_del_init(&spawn->list);
-	spawn->alg = NULL;
-
 	if (crypto_is_dead(&inst->alg))
 		return;
 
@@ -106,25 +125,55 @@ static void crypto_remove_spawn(struct crypto_spawn *spawn,
 	hlist_del(&inst->list);
 	inst->alg.cra_destroy = crypto_destroy_instance;
 
-	list_splice(&inst->alg.cra_users, secondary_spawns);
+	BUG_ON(!list_empty(&inst->alg.cra_users));
 }
 
-static void crypto_remove_spawns(struct list_head *spawns,
-				 struct list_head *list, u32 new_type)
+static void crypto_remove_spawns(struct crypto_alg *alg,
+				 struct list_head *list,
+				 struct crypto_alg *nalg)
 {
+	u32 new_type = (nalg ?: alg)->cra_flags;
 	struct crypto_spawn *spawn, *n;
 	LIST_HEAD(secondary_spawns);
+	struct list_head *spawns;
+	LIST_HEAD(stack);
+	LIST_HEAD(top);
 
+	spawns = &alg->cra_users;
 	list_for_each_entry_safe(spawn, n, spawns, list) {
 		if ((spawn->alg->cra_flags ^ new_type) & spawn->mask)
 			continue;
 
-		crypto_remove_spawn(spawn, list, &secondary_spawns);
+		list_move(&spawn->list, &top);
 	}
 
-	while (!list_empty(&secondary_spawns)) {
-		list_for_each_entry_safe(spawn, n, &secondary_spawns, list)
-			crypto_remove_spawn(spawn, list, &secondary_spawns);
+	spawns = &top;
+	do {
+		while (!list_empty(spawns)) {
+			struct crypto_instance *inst;
+
+			spawn = list_first_entry(spawns, struct crypto_spawn,
+						 list);
+			inst = spawn->inst;
+
+			BUG_ON(&inst->alg == alg);
+
+			list_move(&spawn->list, &stack);
+
+			if (&inst->alg == nalg)
+				break;
+
+			spawn->alg = NULL;
+			spawns = &inst->alg.cra_users;
+		}
+	} while ((spawns = crypto_more_spawns(alg, &stack, &top,
+					      &secondary_spawns)));
+
+	list_for_each_entry_safe(spawn, n, &secondary_spawns, list) {
+		if (spawn->alg)
+			list_move(&spawn->list, &spawn->alg->cra_users);
+		else
+			crypto_remove_spawn(spawn, list);
 	}
 }
 
@@ -258,7 +307,7 @@ found:
 		    q->cra_priority > alg->cra_priority)
 			continue;
 
-		crypto_remove_spawns(&q->cra_users, &list, alg->cra_flags);
+		crypto_remove_spawns(q, &list, alg);
 	}
 
 complete:
@@ -330,7 +379,7 @@ static int crypto_remove_alg(struct crypto_alg *alg, struct list_head *list)
 
 	crypto_notify(CRYPTO_MSG_ALG_UNREGISTER, alg);
 	list_del_init(&alg->cra_list);
-	crypto_remove_spawns(&alg->cra_users, list, alg->cra_flags);
+	crypto_remove_spawns(alg, list, NULL);
 
 	return 0;
 }
@@ -488,20 +537,38 @@ int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
 }
 EXPORT_SYMBOL_GPL(crypto_init_spawn);
 
+int crypto_init_spawn2(struct crypto_spawn *spawn, struct crypto_alg *alg,
+		       struct crypto_instance *inst,
+		       const struct crypto_type *frontend)
+{
+	int err = -EINVAL;
+
+	if (frontend && (alg->cra_flags ^ frontend->type) & frontend->maskset)
+		goto out;
+
+	spawn->frontend = frontend;
+	err = crypto_init_spawn(spawn, alg, inst, frontend->maskset);
+
+out:
+	return err;
+}
+EXPORT_SYMBOL_GPL(crypto_init_spawn2);
+
 void crypto_drop_spawn(struct crypto_spawn *spawn)
 {
+	if (!spawn->alg)
+		return;
+
 	down_write(&crypto_alg_sem);
 	list_del(&spawn->list);
 	up_write(&crypto_alg_sem);
 }
 EXPORT_SYMBOL_GPL(crypto_drop_spawn);
 
-struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
-				    u32 mask)
+static struct crypto_alg *crypto_spawn_alg(struct crypto_spawn *spawn)
 {
 	struct crypto_alg *alg;
 	struct crypto_alg *alg2;
-	struct crypto_tfm *tfm;
 
 	down_read(&crypto_alg_sem);
 	alg = spawn->alg;
@@ -516,6 +583,19 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
 		return ERR_PTR(-EAGAIN);
 	}
 
+	return alg;
+}
+
+struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
+				    u32 mask)
+{
+	struct crypto_alg *alg;
+	struct crypto_tfm *tfm;
+
+	alg = crypto_spawn_alg(spawn);
+	if (IS_ERR(alg))
+		return ERR_CAST(alg);
+
 	tfm = ERR_PTR(-EINVAL);
 	if (unlikely((alg->cra_flags ^ type) & mask))
 		goto out_put_alg;
@@ -532,6 +612,27 @@ out_put_alg:
 }
 EXPORT_SYMBOL_GPL(crypto_spawn_tfm);
 
+void *crypto_spawn_tfm2(struct crypto_spawn *spawn)
+{
+	struct crypto_alg *alg;
+	struct crypto_tfm *tfm;
+
+	alg = crypto_spawn_alg(spawn);
+	if (IS_ERR(alg))
+		return ERR_CAST(alg);
+
+	tfm = crypto_create_tfm(alg, spawn->frontend);
+	if (IS_ERR(tfm))
+		goto out_put_alg;
+
+	return tfm;
+
+out_put_alg:
+	crypto_mod_put(alg);
+	return tfm;
+}
+EXPORT_SYMBOL_GPL(crypto_spawn_tfm2);
+
 int crypto_register_notifier(struct notifier_block *nb)
 {
 	return blocking_notifier_chain_register(&crypto_chain, nb);
@@ -595,7 +696,9 @@ const char *crypto_attr_alg_name(struct rtattr *rta)
 }
 EXPORT_SYMBOL_GPL(crypto_attr_alg_name);
 
-struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask)
+struct crypto_alg *crypto_attr_alg2(struct rtattr *rta,
+				    const struct crypto_type *frontend,
+				    u32 type, u32 mask)
 {
 	const char *name;
 	int err;
@@ -605,9 +708,9 @@ struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask)
 	if (IS_ERR(name))
 		return ERR_PTR(err);
 
-	return crypto_alg_mod_lookup(name, type, mask);
+	return crypto_find_alg(name, frontend, type, mask);
 }
-EXPORT_SYMBOL_GPL(crypto_attr_alg);
+EXPORT_SYMBOL_GPL(crypto_attr_alg2);
 
 int crypto_attr_u32(struct rtattr *rta, u32 *num)
 {
@@ -627,17 +730,20 @@ int crypto_attr_u32(struct rtattr *rta, u32 *num)
 }
 EXPORT_SYMBOL_GPL(crypto_attr_u32);
 
-struct crypto_instance *crypto_alloc_instance(const char *name,
-					      struct crypto_alg *alg)
+void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
+			     unsigned int head)
 {
 	struct crypto_instance *inst;
-	struct crypto_spawn *spawn;
+	char *p;
 	int err;
 
-	inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL);
-	if (!inst)
+	p = kzalloc(head + sizeof(*inst) + sizeof(struct crypto_spawn),
+		    GFP_KERNEL);
+	if (!p)
 		return ERR_PTR(-ENOMEM);
 
+	inst = (void *)(p + head);
+
 	err = -ENAMETOOLONG;
 	if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name,
 		     alg->cra_name) >= CRYPTO_MAX_ALG_NAME)
@@ -647,6 +753,25 @@ struct crypto_instance *crypto_alloc_instance(const char *name,
 		     name, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
 		goto err_free_inst;
 
+	return p;
+
+err_free_inst:
+	kfree(p);
+	return ERR_PTR(err);
+}
+EXPORT_SYMBOL_GPL(crypto_alloc_instance2);
+
+struct crypto_instance *crypto_alloc_instance(const char *name,
+					      struct crypto_alg *alg)
+{
+	struct crypto_instance *inst;
+	struct crypto_spawn *spawn;
+	int err;
+
+	inst = crypto_alloc_instance2(name, alg, 0);
+	if (IS_ERR(inst))
+		goto out;
+
 	spawn = crypto_instance_ctx(inst);
 	err = crypto_init_spawn(spawn, alg, inst,
 				CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
@@ -658,7 +783,10 @@ struct crypto_instance *crypto_alloc_instance(const char *name,
 
 err_free_inst:
 	kfree(inst);
-	return ERR_PTR(err);
+	inst = ERR_PTR(err);
+
+out:
+	return inst;
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_instance);
 
diff --git a/crypto/algboss.c b/crypto/algboss.c
index 9908dd830c2..412241ce4cf 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -68,6 +68,11 @@ static int cryptomgr_probe(void *data)
 		goto err;
 
 	do {
+		if (tmpl->create) {
+			err = tmpl->create(tmpl, param->tb);
+			continue;
+		}
+
 		inst = tmpl->alloc(param->tb);
 		if (IS_ERR(inst))
 			err = PTR_ERR(inst);
diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
index d80ed4c1e00..3aa6e3834bf 100644
--- a/crypto/ansi_cprng.c
+++ b/crypto/ansi_cprng.c
@@ -187,7 +187,6 @@ static int _get_more_prng_bytes(struct prng_context *ctx)
 /* Our exported functions */
 static int get_prng_bytes(char *buf, size_t nbytes, struct prng_context *ctx)
 {
-	unsigned long flags;
 	unsigned char *ptr = buf;
 	unsigned int byte_count = (unsigned int)nbytes;
 	int err;
@@ -196,7 +195,7 @@ static int get_prng_bytes(char *buf, size_t nbytes, struct prng_context *ctx)
 	if (nbytes < 0)
 		return -EINVAL;
 
-	spin_lock_irqsave(&ctx->prng_lock, flags);
+	spin_lock_bh(&ctx->prng_lock);
 
 	err = -EINVAL;
 	if (ctx->flags & PRNG_NEED_RESET)
@@ -268,7 +267,7 @@ empty_rbuf:
 		goto remainder;
 
 done:
-	spin_unlock_irqrestore(&ctx->prng_lock, flags);
+	spin_unlock_bh(&ctx->prng_lock);
 	dbgprint(KERN_CRIT "returning %d from get_prng_bytes in context %p\n",
 		err, ctx);
 	return err;
@@ -284,10 +283,9 @@ static int reset_prng_context(struct prng_context *ctx,
 			      unsigned char *V, unsigned char *DT)
 {
 	int ret;
-	int rc = -EINVAL;
 	unsigned char *prng_key;
 
-	spin_lock(&ctx->prng_lock);
+	spin_lock_bh(&ctx->prng_lock);
 	ctx->flags |= PRNG_NEED_RESET;
 
 	prng_key = (key != NULL) ? key : (unsigned char *)DEFAULT_PRNG_KEY;
@@ -308,34 +306,20 @@ static int reset_prng_context(struct prng_context *ctx,
 	memset(ctx->rand_data, 0, DEFAULT_BLK_SZ);
 	memset(ctx->last_rand_data, 0, DEFAULT_BLK_SZ);
 
-	if (ctx->tfm)
-		crypto_free_cipher(ctx->tfm);
-
-	ctx->tfm = crypto_alloc_cipher("aes", 0, 0);
-	if (IS_ERR(ctx->tfm)) {
-		dbgprint(KERN_CRIT "Failed to alloc tfm for context %p\n",
-			ctx);
-		ctx->tfm = NULL;
-		goto out;
-	}
-
 	ctx->rand_data_valid = DEFAULT_BLK_SZ;
 
 	ret = crypto_cipher_setkey(ctx->tfm, prng_key, klen);
 	if (ret) {
 		dbgprint(KERN_CRIT "PRNG: setkey() failed flags=%x\n",
 			crypto_cipher_get_flags(ctx->tfm));
-		crypto_free_cipher(ctx->tfm);
 		goto out;
 	}
 
-	rc = 0;
+	ret = 0;
 	ctx->flags &= ~PRNG_NEED_RESET;
 out:
-	spin_unlock(&ctx->prng_lock);
-
-	return rc;
-
+	spin_unlock_bh(&ctx->prng_lock);
+	return ret;
 }
 
 static int cprng_init(struct crypto_tfm *tfm)
@@ -343,6 +327,12 @@ static int cprng_init(struct crypto_tfm *tfm)
 	struct prng_context *ctx = crypto_tfm_ctx(tfm);
 
 	spin_lock_init(&ctx->prng_lock);
+	ctx->tfm = crypto_alloc_cipher("aes", 0, 0);
+	if (IS_ERR(ctx->tfm)) {
+		dbgprint(KERN_CRIT "Failed to alloc tfm for context %p\n",
+				ctx);
+		return PTR_ERR(ctx->tfm);
+	}
 
 	if (reset_prng_context(ctx, NULL, DEFAULT_PRNG_KSZ, NULL, NULL) < 0)
 		return -EINVAL;
@@ -418,17 +408,10 @@ static struct crypto_alg rng_alg = {
 /* Module initalization */
 static int __init prng_mod_init(void)
 {
-	int ret = 0;
-
 	if (fips_enabled)
 		rng_alg.cra_priority += 200;
 
-	ret = crypto_register_alg(&rng_alg);
-
-	if (ret)
-		goto out;
-out:
-	return 0;
+	return crypto_register_alg(&rng_alg);
 }
 
 static void __exit prng_mod_fini(void)
diff --git a/crypto/api.c b/crypto/api.c
index d5944f92b41..798526d9053 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -285,13 +285,6 @@ static int crypto_init_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	switch (crypto_tfm_alg_type(tfm)) {
 	case CRYPTO_ALG_TYPE_CIPHER:
 		return crypto_init_cipher_ops(tfm);
-		
-	case CRYPTO_ALG_TYPE_DIGEST:
-		if ((mask & CRYPTO_ALG_TYPE_HASH_MASK) !=
-		    CRYPTO_ALG_TYPE_HASH_MASK)
-			return crypto_init_digest_ops_async(tfm);
-		else
-			return crypto_init_digest_ops(tfm);
 
 	case CRYPTO_ALG_TYPE_COMPRESS:
 		return crypto_init_compress_ops(tfm);
@@ -318,11 +311,7 @@ static void crypto_exit_ops(struct crypto_tfm *tfm)
 	case CRYPTO_ALG_TYPE_CIPHER:
 		crypto_exit_cipher_ops(tfm);
 		break;
-		
-	case CRYPTO_ALG_TYPE_DIGEST:
-		crypto_exit_digest_ops(tfm);
-		break;
-		
+
 	case CRYPTO_ALG_TYPE_COMPRESS:
 		crypto_exit_compress_ops(tfm);
 		break;
@@ -349,11 +338,7 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, u32 type, u32 mask)
 	case CRYPTO_ALG_TYPE_CIPHER:
 		len += crypto_cipher_ctxsize(alg);
 		break;
-		
-	case CRYPTO_ALG_TYPE_DIGEST:
-		len += crypto_digest_ctxsize(alg);
-		break;
-		
+
 	case CRYPTO_ALG_TYPE_COMPRESS:
 		len += crypto_compress_ctxsize(alg);
 		break;
@@ -472,7 +457,7 @@ void *crypto_create_tfm(struct crypto_alg *alg,
 	int err = -ENOMEM;
 
 	tfmsize = frontend->tfmsize;
-	total = tfmsize + sizeof(*tfm) + frontend->extsize(alg, frontend);
+	total = tfmsize + sizeof(*tfm) + frontend->extsize(alg);
 
 	mem = kzalloc(total, GFP_KERNEL);
 	if (mem == NULL)
@@ -481,7 +466,7 @@ void *crypto_create_tfm(struct crypto_alg *alg,
 	tfm = (struct crypto_tfm *)(mem + tfmsize);
 	tfm->__crt_alg = alg;
 
-	err = frontend->init_tfm(tfm, frontend);
+	err = frontend->init_tfm(tfm);
 	if (err)
 		goto out_free_tfm;
 
@@ -503,6 +488,27 @@ out:
 }
 EXPORT_SYMBOL_GPL(crypto_create_tfm);
 
+struct crypto_alg *crypto_find_alg(const char *alg_name,
+				   const struct crypto_type *frontend,
+				   u32 type, u32 mask)
+{
+	struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask) =
+		crypto_alg_mod_lookup;
+
+	if (frontend) {
+		type &= frontend->maskclear;
+		mask &= frontend->maskclear;
+		type |= frontend->type;
+		mask |= frontend->maskset;
+
+		if (frontend->lookup)
+			lookup = frontend->lookup;
+	}
+
+	return lookup(alg_name, type, mask);
+}
+EXPORT_SYMBOL_GPL(crypto_find_alg);
+
 /*
  *	crypto_alloc_tfm - Locate algorithm and allocate transform
  *	@alg_name: Name of algorithm
@@ -526,21 +532,13 @@ EXPORT_SYMBOL_GPL(crypto_create_tfm);
 void *crypto_alloc_tfm(const char *alg_name,
 		       const struct crypto_type *frontend, u32 type, u32 mask)
 {
-	struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask);
 	void *tfm;
 	int err;
 
-	type &= frontend->maskclear;
-	mask &= frontend->maskclear;
-	type |= frontend->type;
-	mask |= frontend->maskset;
-
-	lookup = frontend->lookup ?: crypto_alg_mod_lookup;
-
 	for (;;) {
 		struct crypto_alg *alg;
 
-		alg = lookup(alg_name, type, mask);
+		alg = crypto_find_alg(alg_name, frontend, type, mask);
 		if (IS_ERR(alg)) {
 			err = PTR_ERR(alg);
 			goto err;
diff --git a/crypto/authenc.c b/crypto/authenc.c
index 5793b64c81a..4d6f49a5dae 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -23,24 +23,36 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 
+typedef u8 *(*authenc_ahash_t)(struct aead_request *req, unsigned int flags);
+
 struct authenc_instance_ctx {
-	struct crypto_spawn auth;
+	struct crypto_ahash_spawn auth;
 	struct crypto_skcipher_spawn enc;
 };
 
 struct crypto_authenc_ctx {
-	spinlock_t auth_lock;
-	struct crypto_hash *auth;
+	unsigned int reqoff;
+	struct crypto_ahash *auth;
 	struct crypto_ablkcipher *enc;
 };
 
+struct authenc_request_ctx {
+	unsigned int cryptlen;
+	struct scatterlist *sg;
+	struct scatterlist asg[2];
+	struct scatterlist cipher[2];
+	crypto_completion_t complete;
+	crypto_completion_t update_complete;
+	char tail[];
+};
+
 static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
 				 unsigned int keylen)
 {
 	unsigned int authkeylen;
 	unsigned int enckeylen;
 	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
-	struct crypto_hash *auth = ctx->auth;
+	struct crypto_ahash *auth = ctx->auth;
 	struct crypto_ablkcipher *enc = ctx->enc;
 	struct rtattr *rta = (void *)key;
 	struct crypto_authenc_key_param *param;
@@ -64,11 +76,11 @@ static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
 
 	authkeylen = keylen - enckeylen;
 
-	crypto_hash_clear_flags(auth, CRYPTO_TFM_REQ_MASK);
-	crypto_hash_set_flags(auth, crypto_aead_get_flags(authenc) &
+	crypto_ahash_clear_flags(auth, CRYPTO_TFM_REQ_MASK);
+	crypto_ahash_set_flags(auth, crypto_aead_get_flags(authenc) &
 				    CRYPTO_TFM_REQ_MASK);
-	err = crypto_hash_setkey(auth, key, authkeylen);
-	crypto_aead_set_flags(authenc, crypto_hash_get_flags(auth) &
+	err = crypto_ahash_setkey(auth, key, authkeylen);
+	crypto_aead_set_flags(authenc, crypto_ahash_get_flags(auth) &
 				       CRYPTO_TFM_RES_MASK);
 
 	if (err)
@@ -103,40 +115,198 @@ static void authenc_chain(struct scatterlist *head, struct scatterlist *sg,
 		sg_mark_end(head);
 }
 
-static u8 *crypto_authenc_hash(struct aead_request *req, unsigned int flags,
-			       struct scatterlist *cipher,
-			       unsigned int cryptlen)
+static void authenc_geniv_ahash_update_done(struct crypto_async_request *areq,
+					    int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
+	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+
+	if (err)
+		goto out;
+
+	ahash_request_set_crypt(ahreq, areq_ctx->sg, ahreq->result,
+				areq_ctx->cryptlen);
+	ahash_request_set_callback(ahreq, aead_request_flags(req) &
+					  CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq_ctx->complete, req);
+
+	err = crypto_ahash_finup(ahreq);
+	if (err)
+		goto out;
+
+	scatterwalk_map_and_copy(ahreq->result, areq_ctx->sg,
+				 areq_ctx->cryptlen,
+				 crypto_aead_authsize(authenc), 1);
+
+out:
+	aead_request_complete(req, err);
+}
+
+static void authenc_geniv_ahash_done(struct crypto_async_request *areq, int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
+	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+
+	if (err)
+		goto out;
+
+	scatterwalk_map_and_copy(ahreq->result, areq_ctx->sg,
+				 areq_ctx->cryptlen,
+				 crypto_aead_authsize(authenc), 1);
+
+out:
+	aead_request_complete(req, err);
+}
+
+static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
+					     int err)
 {
+	u8 *ihash;
+	unsigned int authsize;
+	struct ablkcipher_request *abreq;
+	struct aead_request *req = areq->data;
 	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
 	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
-	struct crypto_hash *auth = ctx->auth;
-	struct hash_desc desc = {
-		.tfm = auth,
-		.flags = aead_request_flags(req) & flags,
-	};
-	u8 *hash = aead_request_ctx(req);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
+	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+
+	if (err)
+		goto out;
+
+	ahash_request_set_crypt(ahreq, areq_ctx->sg, ahreq->result,
+				areq_ctx->cryptlen);
+	ahash_request_set_callback(ahreq, aead_request_flags(req) &
+					  CRYPTO_TFM_REQ_MAY_SLEEP,
+				   areq_ctx->complete, req);
+
+	err = crypto_ahash_finup(ahreq);
+	if (err)
+		goto out;
+
+	authsize = crypto_aead_authsize(authenc);
+	ihash = ahreq->result + authsize;
+	scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
+				 authsize, 0);
+
+	err = memcmp(ihash, ahreq->result, authsize) ? -EBADMSG: 0;
+	if (err)
+		goto out;
+
+	abreq = aead_request_ctx(req);
+	ablkcipher_request_set_tfm(abreq, ctx->enc);
+	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
+					req->base.complete, req->base.data);
+	ablkcipher_request_set_crypt(abreq, req->src, req->dst,
+				     req->cryptlen, req->iv);
+
+	err = crypto_ablkcipher_decrypt(abreq);
+
+out:
+	aead_request_complete(req, err);
+}
+
+static void authenc_verify_ahash_done(struct crypto_async_request *areq,
+				      int err)
+{
+	u8 *ihash;
+	unsigned int authsize;
+	struct ablkcipher_request *abreq;
+	struct aead_request *req = areq->data;
+	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
+	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+
+	if (err)
+		goto out;
+
+	authsize = crypto_aead_authsize(authenc);
+	ihash = ahreq->result + authsize;
+	scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
+				 authsize, 0);
+
+	err = memcmp(ihash, ahreq->result, authsize) ? -EBADMSG: 0;
+	if (err)
+		goto out;
+
+	abreq = aead_request_ctx(req);
+	ablkcipher_request_set_tfm(abreq, ctx->enc);
+	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
+					req->base.complete, req->base.data);
+	ablkcipher_request_set_crypt(abreq, req->src, req->dst,
+				     req->cryptlen, req->iv);
+
+	err = crypto_ablkcipher_decrypt(abreq);
+
+out:
+	aead_request_complete(req, err);
+}
+
+static u8 *crypto_authenc_ahash_fb(struct aead_request *req, unsigned int flags)
+{
+	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
+	struct crypto_ahash *auth = ctx->auth;
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
+	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+	u8 *hash = areq_ctx->tail;
 	int err;
 
-	hash = (u8 *)ALIGN((unsigned long)hash + crypto_hash_alignmask(auth), 
-			   crypto_hash_alignmask(auth) + 1);
+	hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth),
+			    crypto_ahash_alignmask(auth) + 1);
+
+	ahash_request_set_tfm(ahreq, auth);
 
-	spin_lock_bh(&ctx->auth_lock);
-	err = crypto_hash_init(&desc);
+	err = crypto_ahash_init(ahreq);
 	if (err)
-		goto auth_unlock;
+		return ERR_PTR(err);
+
+	ahash_request_set_crypt(ahreq, req->assoc, hash, req->assoclen);
+	ahash_request_set_callback(ahreq, aead_request_flags(req) & flags,
+				   areq_ctx->update_complete, req);
 
-	err = crypto_hash_update(&desc, req->assoc, req->assoclen);
+	err = crypto_ahash_update(ahreq);
 	if (err)
-		goto auth_unlock;
+		return ERR_PTR(err);
+
+	ahash_request_set_crypt(ahreq, areq_ctx->sg, hash,
+				areq_ctx->cryptlen);
+	ahash_request_set_callback(ahreq, aead_request_flags(req) & flags,
+				   areq_ctx->complete, req);
 
-	err = crypto_hash_update(&desc, cipher, cryptlen);
+	err = crypto_ahash_finup(ahreq);
 	if (err)
-		goto auth_unlock;
+		return ERR_PTR(err);
 
-	err = crypto_hash_final(&desc, hash);
-auth_unlock:
-	spin_unlock_bh(&ctx->auth_lock);
+	return hash;
+}
+
+static u8 *crypto_authenc_ahash(struct aead_request *req, unsigned int flags)
+{
+	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
+	struct crypto_ahash *auth = ctx->auth;
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
+	struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+	u8 *hash = areq_ctx->tail;
+	int err;
 
+	hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth),
+			   crypto_ahash_alignmask(auth) + 1);
+
+	ahash_request_set_tfm(ahreq, auth);
+	ahash_request_set_crypt(ahreq, areq_ctx->sg, hash,
+				areq_ctx->cryptlen);
+	ahash_request_set_callback(ahreq, aead_request_flags(req) & flags,
+				   areq_ctx->complete, req);
+
+	err = crypto_ahash_digest(ahreq);
 	if (err)
 		return ERR_PTR(err);
 
@@ -147,11 +317,15 @@ static int crypto_authenc_genicv(struct aead_request *req, u8 *iv,
 				 unsigned int flags)
 {
 	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
 	struct scatterlist *dst = req->dst;
-	struct scatterlist cipher[2];
-	struct page *dstp;
+	struct scatterlist *assoc = req->assoc;
+	struct scatterlist *cipher = areq_ctx->cipher;
+	struct scatterlist *asg = areq_ctx->asg;
 	unsigned int ivsize = crypto_aead_ivsize(authenc);
-	unsigned int cryptlen;
+	unsigned int cryptlen = req->cryptlen;
+	authenc_ahash_t authenc_ahash_fn = crypto_authenc_ahash_fb;
+	struct page *dstp;
 	u8 *vdst;
 	u8 *hash;
 
@@ -163,10 +337,25 @@ static int crypto_authenc_genicv(struct aead_request *req, u8 *iv,
 		sg_set_buf(cipher, iv, ivsize);
 		authenc_chain(cipher, dst, vdst == iv + ivsize);
 		dst = cipher;
+		cryptlen += ivsize;
 	}
 
-	cryptlen = req->cryptlen + ivsize;
-	hash = crypto_authenc_hash(req, flags, dst, cryptlen);
+	if (sg_is_last(assoc)) {
+		authenc_ahash_fn = crypto_authenc_ahash;
+		sg_init_table(asg, 2);
+		sg_set_page(asg, sg_page(assoc), assoc->length, assoc->offset);
+		authenc_chain(asg, dst, 0);
+		dst = asg;
+		cryptlen += req->assoclen;
+	}
+
+	areq_ctx->cryptlen = cryptlen;
+	areq_ctx->sg = dst;
+
+	areq_ctx->complete = authenc_geniv_ahash_done;
+	areq_ctx->update_complete = authenc_geniv_ahash_update_done;
+
+	hash = authenc_ahash_fn(req, flags);
 	if (IS_ERR(hash))
 		return PTR_ERR(hash);
 
@@ -256,22 +445,25 @@ static int crypto_authenc_givencrypt(struct aead_givcrypt_request *req)
 }
 
 static int crypto_authenc_verify(struct aead_request *req,
-				 struct scatterlist *cipher,
-				 unsigned int cryptlen)
+				 authenc_ahash_t authenc_ahash_fn)
 {
 	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
 	u8 *ohash;
 	u8 *ihash;
 	unsigned int authsize;
 
-	ohash = crypto_authenc_hash(req, CRYPTO_TFM_REQ_MAY_SLEEP, cipher,
-				    cryptlen);
+	areq_ctx->complete = authenc_verify_ahash_done;
+	areq_ctx->complete = authenc_verify_ahash_update_done;
+
+	ohash = authenc_ahash_fn(req, CRYPTO_TFM_REQ_MAY_SLEEP);
 	if (IS_ERR(ohash))
 		return PTR_ERR(ohash);
 
 	authsize = crypto_aead_authsize(authenc);
 	ihash = ohash + authsize;
-	scatterwalk_map_and_copy(ihash, cipher, cryptlen, authsize, 0);
+	scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
+				 authsize, 0);
 	return memcmp(ihash, ohash, authsize) ? -EBADMSG: 0;
 }
 
@@ -279,10 +471,14 @@ static int crypto_authenc_iverify(struct aead_request *req, u8 *iv,
 				  unsigned int cryptlen)
 {
 	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
 	struct scatterlist *src = req->src;
-	struct scatterlist cipher[2];
-	struct page *srcp;
+	struct scatterlist *assoc = req->assoc;
+	struct scatterlist *cipher = areq_ctx->cipher;
+	struct scatterlist *asg = areq_ctx->asg;
 	unsigned int ivsize = crypto_aead_ivsize(authenc);
+	authenc_ahash_t authenc_ahash_fn = crypto_authenc_ahash_fb;
+	struct page *srcp;
 	u8 *vsrc;
 
 	srcp = sg_page(src);
@@ -293,9 +489,22 @@ static int crypto_authenc_iverify(struct aead_request *req, u8 *iv,
 		sg_set_buf(cipher, iv, ivsize);
 		authenc_chain(cipher, src, vsrc == iv + ivsize);
 		src = cipher;
+		cryptlen += ivsize;
+	}
+
+	if (sg_is_last(assoc)) {
+		authenc_ahash_fn = crypto_authenc_ahash;
+		sg_init_table(asg, 2);
+		sg_set_page(asg, sg_page(assoc), assoc->length, assoc->offset);
+		authenc_chain(asg, src, 0);
+		src = asg;
+		cryptlen += req->assoclen;
 	}
 
-	return crypto_authenc_verify(req, src, cryptlen + ivsize);
+	areq_ctx->cryptlen = cryptlen;
+	areq_ctx->sg = src;
+
+	return crypto_authenc_verify(req, authenc_ahash_fn);
 }
 
 static int crypto_authenc_decrypt(struct aead_request *req)
@@ -326,38 +535,41 @@ static int crypto_authenc_decrypt(struct aead_request *req)
 
 static int crypto_authenc_init_tfm(struct crypto_tfm *tfm)
 {
-	struct crypto_instance *inst = (void *)tfm->__crt_alg;
+	struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
 	struct authenc_instance_ctx *ictx = crypto_instance_ctx(inst);
 	struct crypto_authenc_ctx *ctx = crypto_tfm_ctx(tfm);
-	struct crypto_hash *auth;
+	struct crypto_ahash *auth;
 	struct crypto_ablkcipher *enc;
 	int err;
 
-	auth = crypto_spawn_hash(&ictx->auth);
+	auth = crypto_spawn_ahash(&ictx->auth);
 	if (IS_ERR(auth))
 		return PTR_ERR(auth);
 
+	ctx->reqoff = ALIGN(2 * crypto_ahash_digestsize(auth) +
+			    crypto_ahash_alignmask(auth),
+			    crypto_ahash_alignmask(auth) + 1);
+
 	enc = crypto_spawn_skcipher(&ictx->enc);
 	err = PTR_ERR(enc);
 	if (IS_ERR(enc))
-		goto err_free_hash;
+		goto err_free_ahash;
 
 	ctx->auth = auth;
 	ctx->enc = enc;
+	
 	tfm->crt_aead.reqsize = max_t(unsigned int,
-				      (crypto_hash_alignmask(auth) &
-				       ~(crypto_tfm_ctx_alignment() - 1)) +
-				      crypto_hash_digestsize(auth) * 2,
-				      sizeof(struct skcipher_givcrypt_request) +
-				      crypto_ablkcipher_reqsize(enc) +
-				      crypto_ablkcipher_ivsize(enc));
-
-	spin_lock_init(&ctx->auth_lock);
+				crypto_ahash_reqsize(auth) + ctx->reqoff +
+				sizeof(struct authenc_request_ctx) +
+				sizeof(struct ahash_request), 
+				sizeof(struct skcipher_givcrypt_request) +
+				crypto_ablkcipher_reqsize(enc) +
+				crypto_ablkcipher_ivsize(enc));
 
 	return 0;
 
-err_free_hash:
-	crypto_free_hash(auth);
+err_free_ahash:
+	crypto_free_ahash(auth);
 	return err;
 }
 
@@ -365,7 +577,7 @@ static void crypto_authenc_exit_tfm(struct crypto_tfm *tfm)
 {
 	struct crypto_authenc_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	crypto_free_hash(ctx->auth);
+	crypto_free_ahash(ctx->auth);
 	crypto_free_ablkcipher(ctx->enc);
 }
 
@@ -373,7 +585,8 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
 {
 	struct crypto_attr_type *algt;
 	struct crypto_instance *inst;
-	struct crypto_alg *auth;
+	struct hash_alg_common *auth;
+	struct crypto_alg *auth_base;
 	struct crypto_alg *enc;
 	struct authenc_instance_ctx *ctx;
 	const char *enc_name;
@@ -387,11 +600,13 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
 	if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) & algt->mask)
 		return ERR_PTR(-EINVAL);
 
-	auth = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH,
-			       CRYPTO_ALG_TYPE_HASH_MASK);
+	auth = ahash_attr_alg(tb[1], CRYPTO_ALG_TYPE_HASH,
+			       CRYPTO_ALG_TYPE_AHASH_MASK);
 	if (IS_ERR(auth))
 		return ERR_PTR(PTR_ERR(auth));
 
+	auth_base = &auth->base;
+
 	enc_name = crypto_attr_alg_name(tb[2]);
 	err = PTR_ERR(enc_name);
 	if (IS_ERR(enc_name))
@@ -404,7 +619,7 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
 
 	ctx = crypto_instance_ctx(inst);
 
-	err = crypto_init_spawn(&ctx->auth, auth, inst, CRYPTO_ALG_TYPE_MASK);
+	err = crypto_init_ahash_spawn(&ctx->auth, auth, inst);
 	if (err)
 		goto err_free_inst;
 
@@ -419,28 +634,25 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
 
 	err = -ENAMETOOLONG;
 	if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME,
-		     "authenc(%s,%s)", auth->cra_name, enc->cra_name) >=
+		     "authenc(%s,%s)", auth_base->cra_name, enc->cra_name) >=
 	    CRYPTO_MAX_ALG_NAME)
 		goto err_drop_enc;
 
 	if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
-		     "authenc(%s,%s)", auth->cra_driver_name,
+		     "authenc(%s,%s)", auth_base->cra_driver_name,
 		     enc->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
 		goto err_drop_enc;
 
 	inst->alg.cra_flags = CRYPTO_ALG_TYPE_AEAD;
 	inst->alg.cra_flags |= enc->cra_flags & CRYPTO_ALG_ASYNC;
-	inst->alg.cra_priority = enc->cra_priority * 10 + auth->cra_priority;
+	inst->alg.cra_priority = enc->cra_priority *
+				 10 + auth_base->cra_priority;
 	inst->alg.cra_blocksize = enc->cra_blocksize;
-	inst->alg.cra_alignmask = auth->cra_alignmask | enc->cra_alignmask;
+	inst->alg.cra_alignmask = auth_base->cra_alignmask | enc->cra_alignmask;
 	inst->alg.cra_type = &crypto_aead_type;
 
 	inst->alg.cra_aead.ivsize = enc->cra_ablkcipher.ivsize;
-	inst->alg.cra_aead.maxauthsize = auth->cra_type == &crypto_hash_type ?
-					 auth->cra_hash.digestsize :
-					 auth->cra_type ?
-					 __crypto_shash_alg(auth)->digestsize :
-					 auth->cra_digest.dia_digestsize;
+	inst->alg.cra_aead.maxauthsize = auth->digestsize;
 
 	inst->alg.cra_ctxsize = sizeof(struct crypto_authenc_ctx);
 
@@ -453,13 +665,13 @@ static struct crypto_instance *crypto_authenc_alloc(struct rtattr **tb)
 	inst->alg.cra_aead.givencrypt = crypto_authenc_givencrypt;
 
 out:
-	crypto_mod_put(auth);
+	crypto_mod_put(auth_base);
 	return inst;
 
 err_drop_enc:
 	crypto_drop_skcipher(&ctx->enc);
 err_drop_auth:
-	crypto_drop_spawn(&ctx->auth);
+	crypto_drop_ahash(&ctx->auth);
 err_free_inst:
 	kfree(inst);
 out_put_auth:
@@ -472,7 +684,7 @@ static void crypto_authenc_free(struct crypto_instance *inst)
 	struct authenc_instance_ctx *ctx = crypto_instance_ctx(inst);
 
 	crypto_drop_skcipher(&ctx->enc);
-	crypto_drop_spawn(&ctx->auth);
+	crypto_drop_ahash(&ctx->auth);
 	kfree(inst);
 }
 
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index ae5fa99d5d3..35335825a4e 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -39,6 +39,11 @@ struct cryptd_instance_ctx {
 	struct cryptd_queue *queue;
 };
 
+struct hashd_instance_ctx {
+	struct crypto_shash_spawn spawn;
+	struct cryptd_queue *queue;
+};
+
 struct cryptd_blkcipher_ctx {
 	struct crypto_blkcipher *child;
 };
@@ -48,11 +53,12 @@ struct cryptd_blkcipher_request_ctx {
 };
 
 struct cryptd_hash_ctx {
-	struct crypto_hash *child;
+	struct crypto_shash *child;
 };
 
 struct cryptd_hash_request_ctx {
 	crypto_completion_t complete;
+	struct shash_desc desc;
 };
 
 static void cryptd_queue_worker(struct work_struct *work);
@@ -249,32 +255,24 @@ static void cryptd_blkcipher_exit_tfm(struct crypto_tfm *tfm)
 	crypto_free_blkcipher(ctx->child);
 }
 
-static struct crypto_instance *cryptd_alloc_instance(struct crypto_alg *alg,
-						     struct cryptd_queue *queue)
+static void *cryptd_alloc_instance(struct crypto_alg *alg, unsigned int head,
+				   unsigned int tail)
 {
+	char *p;
 	struct crypto_instance *inst;
-	struct cryptd_instance_ctx *ctx;
 	int err;
 
-	inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
-	if (!inst) {
-		inst = ERR_PTR(-ENOMEM);
-		goto out;
-	}
+	p = kzalloc(head + sizeof(*inst) + tail, GFP_KERNEL);
+	if (!p)
+		return ERR_PTR(-ENOMEM);
+
+	inst = (void *)(p + head);
 
 	err = -ENAMETOOLONG;
 	if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
 		     "cryptd(%s)", alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
 		goto out_free_inst;
 
-	ctx = crypto_instance_ctx(inst);
-	err = crypto_init_spawn(&ctx->spawn, alg, inst,
-				CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
-	if (err)
-		goto out_free_inst;
-
-	ctx->queue = queue;
-
 	memcpy(inst->alg.cra_name, alg->cra_name, CRYPTO_MAX_ALG_NAME);
 
 	inst->alg.cra_priority = alg->cra_priority + 50;
@@ -282,29 +280,41 @@ static struct crypto_instance *cryptd_alloc_instance(struct crypto_alg *alg,
 	inst->alg.cra_alignmask = alg->cra_alignmask;
 
 out:
-	return inst;
+	return p;
 
 out_free_inst:
-	kfree(inst);
-	inst = ERR_PTR(err);
+	kfree(p);
+	p = ERR_PTR(err);
 	goto out;
 }
 
-static struct crypto_instance *cryptd_alloc_blkcipher(
-	struct rtattr **tb, struct cryptd_queue *queue)
+static int cryptd_create_blkcipher(struct crypto_template *tmpl,
+				   struct rtattr **tb,
+				   struct cryptd_queue *queue)
 {
+	struct cryptd_instance_ctx *ctx;
 	struct crypto_instance *inst;
 	struct crypto_alg *alg;
+	int err;
 
 	alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_BLKCIPHER,
 				  CRYPTO_ALG_TYPE_MASK);
 	if (IS_ERR(alg))
-		return ERR_CAST(alg);
+		return PTR_ERR(alg);
 
-	inst = cryptd_alloc_instance(alg, queue);
+	inst = cryptd_alloc_instance(alg, 0, sizeof(*ctx));
+	err = PTR_ERR(inst);
 	if (IS_ERR(inst))
 		goto out_put_alg;
 
+	ctx = crypto_instance_ctx(inst);
+	ctx->queue = queue;
+
+	err = crypto_init_spawn(&ctx->spawn, alg, inst,
+				CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
+	if (err)
+		goto out_free_inst;
+
 	inst->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
 	inst->alg.cra_type = &crypto_ablkcipher_type;
 
@@ -323,26 +333,34 @@ static struct crypto_instance *cryptd_alloc_blkcipher(
 	inst->alg.cra_ablkcipher.encrypt = cryptd_blkcipher_encrypt_enqueue;
 	inst->alg.cra_ablkcipher.decrypt = cryptd_blkcipher_decrypt_enqueue;
 
+	err = crypto_register_instance(tmpl, inst);
+	if (err) {
+		crypto_drop_spawn(&ctx->spawn);
+out_free_inst:
+		kfree(inst);
+	}
+
 out_put_alg:
 	crypto_mod_put(alg);
-	return inst;
+	return err;
 }
 
 static int cryptd_hash_init_tfm(struct crypto_tfm *tfm)
 {
 	struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
-	struct cryptd_instance_ctx *ictx = crypto_instance_ctx(inst);
-	struct crypto_spawn *spawn = &ictx->spawn;
+	struct hashd_instance_ctx *ictx = crypto_instance_ctx(inst);
+	struct crypto_shash_spawn *spawn = &ictx->spawn;
 	struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
-	struct crypto_hash *cipher;
+	struct crypto_shash *hash;
 
-	cipher = crypto_spawn_hash(spawn);
-	if (IS_ERR(cipher))
-		return PTR_ERR(cipher);
+	hash = crypto_spawn_shash(spawn);
+	if (IS_ERR(hash))
+		return PTR_ERR(hash);
 
-	ctx->child = cipher;
-	tfm->crt_ahash.reqsize =
-		sizeof(struct cryptd_hash_request_ctx);
+	ctx->child = hash;
+	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+				 sizeof(struct cryptd_hash_request_ctx) +
+				 crypto_shash_descsize(hash));
 	return 0;
 }
 
@@ -350,22 +368,22 @@ static void cryptd_hash_exit_tfm(struct crypto_tfm *tfm)
 {
 	struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	crypto_free_hash(ctx->child);
+	crypto_free_shash(ctx->child);
 }
 
 static int cryptd_hash_setkey(struct crypto_ahash *parent,
 				   const u8 *key, unsigned int keylen)
 {
 	struct cryptd_hash_ctx *ctx   = crypto_ahash_ctx(parent);
-	struct crypto_hash     *child = ctx->child;
+	struct crypto_shash *child = ctx->child;
 	int err;
 
-	crypto_hash_clear_flags(child, CRYPTO_TFM_REQ_MASK);
-	crypto_hash_set_flags(child, crypto_ahash_get_flags(parent) &
-					  CRYPTO_TFM_REQ_MASK);
-	err = crypto_hash_setkey(child, key, keylen);
-	crypto_ahash_set_flags(parent, crypto_hash_get_flags(child) &
-					    CRYPTO_TFM_RES_MASK);
+	crypto_shash_clear_flags(child, CRYPTO_TFM_REQ_MASK);
+	crypto_shash_set_flags(child, crypto_ahash_get_flags(parent) &
+				      CRYPTO_TFM_REQ_MASK);
+	err = crypto_shash_setkey(child, key, keylen);
+	crypto_ahash_set_flags(parent, crypto_shash_get_flags(child) &
+				       CRYPTO_TFM_RES_MASK);
 	return err;
 }
 
@@ -385,21 +403,19 @@ static int cryptd_hash_enqueue(struct ahash_request *req,
 
 static void cryptd_hash_init(struct crypto_async_request *req_async, int err)
 {
-	struct cryptd_hash_ctx *ctx   = crypto_tfm_ctx(req_async->tfm);
-	struct crypto_hash     *child = ctx->child;
-	struct ahash_request    *req = ahash_request_cast(req_async);
-	struct cryptd_hash_request_ctx *rctx;
-	struct hash_desc desc;
-
-	rctx = ahash_request_ctx(req);
+	struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
+	struct crypto_shash *child = ctx->child;
+	struct ahash_request *req = ahash_request_cast(req_async);
+	struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
+	struct shash_desc *desc = &rctx->desc;
 
 	if (unlikely(err == -EINPROGRESS))
 		goto out;
 
-	desc.tfm = child;
-	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+	desc->tfm = child;
+	desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	err = crypto_hash_crt(child)->init(&desc);
+	err = crypto_shash_init(desc);
 
 	req->base.complete = rctx->complete;
 
@@ -416,23 +432,15 @@ static int cryptd_hash_init_enqueue(struct ahash_request *req)
 
 static void cryptd_hash_update(struct crypto_async_request *req_async, int err)
 {
-	struct cryptd_hash_ctx *ctx   = crypto_tfm_ctx(req_async->tfm);
-	struct crypto_hash     *child = ctx->child;
-	struct ahash_request    *req = ahash_request_cast(req_async);
+	struct ahash_request *req = ahash_request_cast(req_async);
 	struct cryptd_hash_request_ctx *rctx;
-	struct hash_desc desc;
 
 	rctx = ahash_request_ctx(req);
 
 	if (unlikely(err == -EINPROGRESS))
 		goto out;
 
-	desc.tfm = child;
-	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
-
-	err = crypto_hash_crt(child)->update(&desc,
-						req->src,
-						req->nbytes);
+	err = shash_ahash_update(req, &rctx->desc);
 
 	req->base.complete = rctx->complete;
 
@@ -449,21 +457,13 @@ static int cryptd_hash_update_enqueue(struct ahash_request *req)
 
 static void cryptd_hash_final(struct crypto_async_request *req_async, int err)
 {
-	struct cryptd_hash_ctx *ctx   = crypto_tfm_ctx(req_async->tfm);
-	struct crypto_hash     *child = ctx->child;
-	struct ahash_request    *req = ahash_request_cast(req_async);
-	struct cryptd_hash_request_ctx *rctx;
-	struct hash_desc desc;
-
-	rctx = ahash_request_ctx(req);
+	struct ahash_request *req = ahash_request_cast(req_async);
+	struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
 
 	if (unlikely(err == -EINPROGRESS))
 		goto out;
 
-	desc.tfm = child;
-	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
-
-	err = crypto_hash_crt(child)->final(&desc, req->result);
+	err = crypto_shash_final(&rctx->desc, req->result);
 
 	req->base.complete = rctx->complete;
 
@@ -478,26 +478,44 @@ static int cryptd_hash_final_enqueue(struct ahash_request *req)
 	return cryptd_hash_enqueue(req, cryptd_hash_final);
 }
 
-static void cryptd_hash_digest(struct crypto_async_request *req_async, int err)
+static void cryptd_hash_finup(struct crypto_async_request *req_async, int err)
 {
-	struct cryptd_hash_ctx *ctx   = crypto_tfm_ctx(req_async->tfm);
-	struct crypto_hash     *child = ctx->child;
-	struct ahash_request    *req = ahash_request_cast(req_async);
-	struct cryptd_hash_request_ctx *rctx;
-	struct hash_desc desc;
+	struct ahash_request *req = ahash_request_cast(req_async);
+	struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
 
-	rctx = ahash_request_ctx(req);
+	if (unlikely(err == -EINPROGRESS))
+		goto out;
+
+	err = shash_ahash_finup(req, &rctx->desc);
+
+	req->base.complete = rctx->complete;
+
+out:
+	local_bh_disable();
+	rctx->complete(&req->base, err);
+	local_bh_enable();
+}
+
+static int cryptd_hash_finup_enqueue(struct ahash_request *req)
+{
+	return cryptd_hash_enqueue(req, cryptd_hash_finup);
+}
+
+static void cryptd_hash_digest(struct crypto_async_request *req_async, int err)
+{
+	struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm);
+	struct crypto_shash *child = ctx->child;
+	struct ahash_request *req = ahash_request_cast(req_async);
+	struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
+	struct shash_desc *desc = &rctx->desc;
 
 	if (unlikely(err == -EINPROGRESS))
 		goto out;
 
-	desc.tfm = child;
-	desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+	desc->tfm = child;
+	desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	err = crypto_hash_crt(child)->digest(&desc,
-						req->src,
-						req->nbytes,
-						req->result);
+	err = shash_ahash_digest(req, desc);
 
 	req->base.complete = rctx->complete;
 
@@ -512,64 +530,108 @@ static int cryptd_hash_digest_enqueue(struct ahash_request *req)
 	return cryptd_hash_enqueue(req, cryptd_hash_digest);
 }
 
-static struct crypto_instance *cryptd_alloc_hash(
-	struct rtattr **tb, struct cryptd_queue *queue)
+static int cryptd_hash_export(struct ahash_request *req, void *out)
 {
-	struct crypto_instance *inst;
+	struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
+
+	return crypto_shash_export(&rctx->desc, out);
+}
+
+static int cryptd_hash_import(struct ahash_request *req, const void *in)
+{
+	struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
+
+	return crypto_shash_import(&rctx->desc, in);
+}
+
+static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
+			      struct cryptd_queue *queue)
+{
+	struct hashd_instance_ctx *ctx;
+	struct ahash_instance *inst;
+	struct shash_alg *salg;
 	struct crypto_alg *alg;
+	int err;
 
-	alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_HASH,
-				  CRYPTO_ALG_TYPE_HASH_MASK);
-	if (IS_ERR(alg))
-		return ERR_PTR(PTR_ERR(alg));
+	salg = shash_attr_alg(tb[1], 0, 0);
+	if (IS_ERR(salg))
+		return PTR_ERR(salg);
 
-	inst = cryptd_alloc_instance(alg, queue);
+	alg = &salg->base;
+	inst = cryptd_alloc_instance(alg, ahash_instance_headroom(),
+				     sizeof(*ctx));
+	err = PTR_ERR(inst);
 	if (IS_ERR(inst))
 		goto out_put_alg;
 
-	inst->alg.cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC;
-	inst->alg.cra_type = &crypto_ahash_type;
+	ctx = ahash_instance_ctx(inst);
+	ctx->queue = queue;
 
-	inst->alg.cra_ahash.digestsize = alg->cra_hash.digestsize;
-	inst->alg.cra_ctxsize = sizeof(struct cryptd_hash_ctx);
+	err = crypto_init_shash_spawn(&ctx->spawn, salg,
+				      ahash_crypto_instance(inst));
+	if (err)
+		goto out_free_inst;
 
-	inst->alg.cra_init = cryptd_hash_init_tfm;
-	inst->alg.cra_exit = cryptd_hash_exit_tfm;
+	inst->alg.halg.base.cra_flags = CRYPTO_ALG_ASYNC;
 
-	inst->alg.cra_ahash.init   = cryptd_hash_init_enqueue;
-	inst->alg.cra_ahash.update = cryptd_hash_update_enqueue;
-	inst->alg.cra_ahash.final  = cryptd_hash_final_enqueue;
-	inst->alg.cra_ahash.setkey = cryptd_hash_setkey;
-	inst->alg.cra_ahash.digest = cryptd_hash_digest_enqueue;
+	inst->alg.halg.digestsize = salg->digestsize;
+	inst->alg.halg.base.cra_ctxsize = sizeof(struct cryptd_hash_ctx);
+
+	inst->alg.halg.base.cra_init = cryptd_hash_init_tfm;
+	inst->alg.halg.base.cra_exit = cryptd_hash_exit_tfm;
+
+	inst->alg.init   = cryptd_hash_init_enqueue;
+	inst->alg.update = cryptd_hash_update_enqueue;
+	inst->alg.final  = cryptd_hash_final_enqueue;
+	inst->alg.finup  = cryptd_hash_finup_enqueue;
+	inst->alg.export = cryptd_hash_export;
+	inst->alg.import = cryptd_hash_import;
+	inst->alg.setkey = cryptd_hash_setkey;
+	inst->alg.digest = cryptd_hash_digest_enqueue;
+
+	err = ahash_register_instance(tmpl, inst);
+	if (err) {
+		crypto_drop_shash(&ctx->spawn);
+out_free_inst:
+		kfree(inst);
+	}
 
 out_put_alg:
 	crypto_mod_put(alg);
-	return inst;
+	return err;
 }
 
 static struct cryptd_queue queue;
 
-static struct crypto_instance *cryptd_alloc(struct rtattr **tb)
+static int cryptd_create(struct crypto_template *tmpl, struct rtattr **tb)
 {
 	struct crypto_attr_type *algt;
 
 	algt = crypto_get_attr_type(tb);
 	if (IS_ERR(algt))
-		return ERR_CAST(algt);
+		return PTR_ERR(algt);
 
 	switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
 	case CRYPTO_ALG_TYPE_BLKCIPHER:
-		return cryptd_alloc_blkcipher(tb, &queue);
+		return cryptd_create_blkcipher(tmpl, tb, &queue);
 	case CRYPTO_ALG_TYPE_DIGEST:
-		return cryptd_alloc_hash(tb, &queue);
+		return cryptd_create_hash(tmpl, tb, &queue);
 	}
 
-	return ERR_PTR(-EINVAL);
+	return -EINVAL;
 }
 
 static void cryptd_free(struct crypto_instance *inst)
 {
 	struct cryptd_instance_ctx *ctx = crypto_instance_ctx(inst);
+	struct hashd_instance_ctx *hctx = crypto_instance_ctx(inst);
+
+	switch (inst->alg.cra_flags & CRYPTO_ALG_TYPE_MASK) {
+	case CRYPTO_ALG_TYPE_AHASH:
+		crypto_drop_shash(&hctx->spawn);
+		kfree(ahash_instance(inst));
+		return;
+	}
 
 	crypto_drop_spawn(&ctx->spawn);
 	kfree(inst);
@@ -577,7 +639,7 @@ static void cryptd_free(struct crypto_instance *inst)
 
 static struct crypto_template cryptd_tmpl = {
 	.name = "cryptd",
-	.alloc = cryptd_alloc,
+	.create = cryptd_create,
 	.free = cryptd_free,
 	.module = THIS_MODULE,
 };
@@ -620,6 +682,41 @@ void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm)
 }
 EXPORT_SYMBOL_GPL(cryptd_free_ablkcipher);
 
+struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
+					u32 type, u32 mask)
+{
+	char cryptd_alg_name[CRYPTO_MAX_ALG_NAME];
+	struct crypto_ahash *tfm;
+
+	if (snprintf(cryptd_alg_name, CRYPTO_MAX_ALG_NAME,
+		     "cryptd(%s)", alg_name) >= CRYPTO_MAX_ALG_NAME)
+		return ERR_PTR(-EINVAL);
+	tfm = crypto_alloc_ahash(cryptd_alg_name, type, mask);
+	if (IS_ERR(tfm))
+		return ERR_CAST(tfm);
+	if (tfm->base.__crt_alg->cra_module != THIS_MODULE) {
+		crypto_free_ahash(tfm);
+		return ERR_PTR(-EINVAL);
+	}
+
+	return __cryptd_ahash_cast(tfm);
+}
+EXPORT_SYMBOL_GPL(cryptd_alloc_ahash);
+
+struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm)
+{
+	struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(&tfm->base);
+
+	return ctx->child;
+}
+EXPORT_SYMBOL_GPL(cryptd_ahash_child);
+
+void cryptd_free_ahash(struct cryptd_ahash *tfm)
+{
+	crypto_free_ahash(&tfm->base);
+}
+EXPORT_SYMBOL_GPL(cryptd_free_ahash);
+
 static int __init cryptd_init(void)
 {
 	int err;
diff --git a/crypto/ctr.c b/crypto/ctr.c
index 2d7425f0e7b..6c3bfabb9d1 100644
--- a/crypto/ctr.c
+++ b/crypto/ctr.c
@@ -219,6 +219,8 @@ static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb)
 	inst->alg.cra_blkcipher.encrypt = crypto_ctr_crypt;
 	inst->alg.cra_blkcipher.decrypt = crypto_ctr_crypt;
 
+	inst->alg.cra_blkcipher.geniv = "chainiv";
+
 out:
 	crypto_mod_put(alg);
 	return inst;
diff --git a/crypto/gcm.c b/crypto/gcm.c
index e70afd0c73d..5fc3292483e 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -11,7 +11,10 @@
 #include <crypto/gf128mul.h>
 #include <crypto/internal/aead.h>
 #include <crypto/internal/skcipher.h>
+#include <crypto/internal/hash.h>
 #include <crypto/scatterwalk.h>
+#include <crypto/hash.h>
+#include "internal.h"
 #include <linux/completion.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -21,11 +24,12 @@
 
 struct gcm_instance_ctx {
 	struct crypto_skcipher_spawn ctr;
+	struct crypto_ahash_spawn ghash;
 };
 
 struct crypto_gcm_ctx {
 	struct crypto_ablkcipher *ctr;
-	struct gf128mul_4k *gf128;
+	struct crypto_ahash *ghash;
 };
 
 struct crypto_rfc4106_ctx {
@@ -34,10 +38,9 @@ struct crypto_rfc4106_ctx {
 };
 
 struct crypto_gcm_ghash_ctx {
-	u32 bytes;
-	u32 flags;
-	struct gf128mul_4k *gf128;
-	u8 buffer[16];
+	unsigned int cryptlen;
+	struct scatterlist *src;
+	crypto_completion_t complete;
 };
 
 struct crypto_gcm_req_priv_ctx {
@@ -45,8 +48,11 @@ struct crypto_gcm_req_priv_ctx {
 	u8 iauth_tag[16];
 	struct scatterlist src[2];
 	struct scatterlist dst[2];
-	struct crypto_gcm_ghash_ctx ghash;
-	struct ablkcipher_request abreq;
+	struct crypto_gcm_ghash_ctx ghash_ctx;
+	union {
+		struct ahash_request ahreq;
+		struct ablkcipher_request abreq;
+	} u;
 };
 
 struct crypto_gcm_setkey_result {
@@ -54,6 +60,8 @@ struct crypto_gcm_setkey_result {
 	struct completion completion;
 };
 
+static void *gcm_zeroes;
+
 static inline struct crypto_gcm_req_priv_ctx *crypto_gcm_reqctx(
 	struct aead_request *req)
 {
@@ -62,113 +70,6 @@ static inline struct crypto_gcm_req_priv_ctx *crypto_gcm_reqctx(
 	return (void *)PTR_ALIGN((u8 *)aead_request_ctx(req), align + 1);
 }
 
-static void crypto_gcm_ghash_init(struct crypto_gcm_ghash_ctx *ctx, u32 flags,
-				  struct gf128mul_4k *gf128)
-{
-	ctx->bytes = 0;
-	ctx->flags = flags;
-	ctx->gf128 = gf128;
-	memset(ctx->buffer, 0, 16);
-}
-
-static void crypto_gcm_ghash_update(struct crypto_gcm_ghash_ctx *ctx,
-				    const u8 *src, unsigned int srclen)
-{
-	u8 *dst = ctx->buffer;
-
-	if (ctx->bytes) {
-		int n = min(srclen, ctx->bytes);
-		u8 *pos = dst + (16 - ctx->bytes);
-
-		ctx->bytes -= n;
-		srclen -= n;
-
-		while (n--)
-			*pos++ ^= *src++;
-
-		if (!ctx->bytes)
-			gf128mul_4k_lle((be128 *)dst, ctx->gf128);
-	}
-
-	while (srclen >= 16) {
-		crypto_xor(dst, src, 16);
-		gf128mul_4k_lle((be128 *)dst, ctx->gf128);
-		src += 16;
-		srclen -= 16;
-	}
-
-	if (srclen) {
-		ctx->bytes = 16 - srclen;
-		while (srclen--)
-			*dst++ ^= *src++;
-	}
-}
-
-static void crypto_gcm_ghash_update_sg(struct crypto_gcm_ghash_ctx *ctx,
-				       struct scatterlist *sg, int len)
-{
-	struct scatter_walk walk;
-	u8 *src;
-	int n;
-
-	if (!len)
-		return;
-
-	scatterwalk_start(&walk, sg);
-
-	while (len) {
-		n = scatterwalk_clamp(&walk, len);
-
-		if (!n) {
-			scatterwalk_start(&walk, scatterwalk_sg_next(walk.sg));
-			n = scatterwalk_clamp(&walk, len);
-		}
-
-		src = scatterwalk_map(&walk, 0);
-
-		crypto_gcm_ghash_update(ctx, src, n);
-		len -= n;
-
-		scatterwalk_unmap(src, 0);
-		scatterwalk_advance(&walk, n);
-		scatterwalk_done(&walk, 0, len);
-		if (len)
-			crypto_yield(ctx->flags);
-	}
-}
-
-static void crypto_gcm_ghash_flush(struct crypto_gcm_ghash_ctx *ctx)
-{
-	u8 *dst = ctx->buffer;
-
-	if (ctx->bytes) {
-		u8 *tmp = dst + (16 - ctx->bytes);
-
-		while (ctx->bytes--)
-			*tmp++ ^= 0;
-
-		gf128mul_4k_lle((be128 *)dst, ctx->gf128);
-	}
-
-	ctx->bytes = 0;
-}
-
-static void crypto_gcm_ghash_final_xor(struct crypto_gcm_ghash_ctx *ctx,
-				       unsigned int authlen,
-				       unsigned int cryptlen, u8 *dst)
-{
-	u8 *buf = ctx->buffer;
-	u128 lengths;
-
-	lengths.a = cpu_to_be64(authlen * 8);
-	lengths.b = cpu_to_be64(cryptlen * 8);
-
-	crypto_gcm_ghash_flush(ctx);
-	crypto_xor(buf, (u8 *)&lengths, 16);
-	gf128mul_4k_lle((be128 *)buf, ctx->gf128);
-	crypto_xor(dst, buf, 16);
-}
-
 static void crypto_gcm_setkey_done(struct crypto_async_request *req, int err)
 {
 	struct crypto_gcm_setkey_result *result = req->data;
@@ -184,6 +85,7 @@ static int crypto_gcm_setkey(struct crypto_aead *aead, const u8 *key,
 			     unsigned int keylen)
 {
 	struct crypto_gcm_ctx *ctx = crypto_aead_ctx(aead);
+	struct crypto_ahash *ghash = ctx->ghash;
 	struct crypto_ablkcipher *ctr = ctx->ctr;
 	struct {
 		be128 hash;
@@ -233,13 +135,12 @@ static int crypto_gcm_setkey(struct crypto_aead *aead, const u8 *key,
 	if (err)
 		goto out;
 
-	if (ctx->gf128 != NULL)
-		gf128mul_free_4k(ctx->gf128);
-
-	ctx->gf128 = gf128mul_init_4k_lle(&data->hash);
-
-	if (ctx->gf128 == NULL)
-		err = -ENOMEM;
+	crypto_ahash_clear_flags(ghash, CRYPTO_TFM_REQ_MASK);
+	crypto_ahash_set_flags(ghash, crypto_aead_get_flags(aead) &
+			       CRYPTO_TFM_REQ_MASK);
+	err = crypto_ahash_setkey(ghash, (u8 *)&data->hash, sizeof(be128));
+	crypto_aead_set_flags(aead, crypto_ahash_get_flags(ghash) &
+			      CRYPTO_TFM_RES_MASK);
 
 out:
 	kfree(data);
@@ -272,8 +173,6 @@ static void crypto_gcm_init_crypt(struct ablkcipher_request *ablk_req,
 	struct crypto_aead *aead = crypto_aead_reqtfm(req);
 	struct crypto_gcm_ctx *ctx = crypto_aead_ctx(aead);
 	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
-	u32 flags = req->base.tfm->crt_flags;
-	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;
 	struct scatterlist *dst;
 	__be32 counter = cpu_to_be32(1);
 
@@ -296,108 +195,398 @@ static void crypto_gcm_init_crypt(struct ablkcipher_request *ablk_req,
 	ablkcipher_request_set_crypt(ablk_req, pctx->src, dst,
 				     cryptlen + sizeof(pctx->auth_tag),
 				     req->iv);
+}
+
+static inline unsigned int gcm_remain(unsigned int len)
+{
+	len &= 0xfU;
+	return len ? 16 - len : 0;
+}
+
+static void gcm_hash_len_done(struct crypto_async_request *areq, int err);
+static void gcm_hash_final_done(struct crypto_async_request *areq, int err);
 
-	crypto_gcm_ghash_init(ghash, flags, ctx->gf128);
+static int gcm_hash_update(struct aead_request *req,
+			   struct crypto_gcm_req_priv_ctx *pctx,
+			   crypto_completion_t complete,
+			   struct scatterlist *src,
+			   unsigned int len)
+{
+	struct ahash_request *ahreq = &pctx->u.ahreq;
 
-	crypto_gcm_ghash_update_sg(ghash, req->assoc, req->assoclen);
-	crypto_gcm_ghash_flush(ghash);
+	ahash_request_set_callback(ahreq, aead_request_flags(req),
+				   complete, req);
+	ahash_request_set_crypt(ahreq, src, NULL, len);
+
+	return crypto_ahash_update(ahreq);
 }
 
-static int crypto_gcm_hash(struct aead_request *req)
+static int gcm_hash_remain(struct aead_request *req,
+			   struct crypto_gcm_req_priv_ctx *pctx,
+			   unsigned int remain,
+			   crypto_completion_t complete)
 {
-	struct crypto_aead *aead = crypto_aead_reqtfm(req);
+	struct ahash_request *ahreq = &pctx->u.ahreq;
+
+	ahash_request_set_callback(ahreq, aead_request_flags(req),
+				   complete, req);
+	sg_init_one(pctx->src, gcm_zeroes, remain);
+	ahash_request_set_crypt(ahreq, pctx->src, NULL, remain);
+
+	return crypto_ahash_update(ahreq);
+}
+
+static int gcm_hash_len(struct aead_request *req,
+			struct crypto_gcm_req_priv_ctx *pctx)
+{
+	struct ahash_request *ahreq = &pctx->u.ahreq;
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
+	u128 lengths;
+
+	lengths.a = cpu_to_be64(req->assoclen * 8);
+	lengths.b = cpu_to_be64(gctx->cryptlen * 8);
+	memcpy(pctx->iauth_tag, &lengths, 16);
+	sg_init_one(pctx->src, pctx->iauth_tag, 16);
+	ahash_request_set_callback(ahreq, aead_request_flags(req),
+				   gcm_hash_len_done, req);
+	ahash_request_set_crypt(ahreq, pctx->src,
+				NULL, sizeof(lengths));
+
+	return crypto_ahash_update(ahreq);
+}
+
+static int gcm_hash_final(struct aead_request *req,
+			  struct crypto_gcm_req_priv_ctx *pctx)
+{
+	struct ahash_request *ahreq = &pctx->u.ahreq;
+
+	ahash_request_set_callback(ahreq, aead_request_flags(req),
+				   gcm_hash_final_done, req);
+	ahash_request_set_crypt(ahreq, NULL, pctx->iauth_tag, 0);
+
+	return crypto_ahash_final(ahreq);
+}
+
+static void gcm_hash_final_done(struct crypto_async_request *areq,
+				int err)
+{
+	struct aead_request *req = areq->data;
 	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
-	u8 *auth_tag = pctx->auth_tag;
-	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
+
+	if (!err)
+		crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);
 
-	crypto_gcm_ghash_update_sg(ghash, req->dst, req->cryptlen);
-	crypto_gcm_ghash_final_xor(ghash, req->assoclen, req->cryptlen,
-				   auth_tag);
+	gctx->complete(areq, err);
+}
+
+static void gcm_hash_len_done(struct crypto_async_request *areq,
+			      int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+
+	if (!err) {
+		err = gcm_hash_final(req, pctx);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	gcm_hash_final_done(areq, err);
+}
+
+static void gcm_hash_crypt_remain_done(struct crypto_async_request *areq,
+				       int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+
+	if (!err) {
+		err = gcm_hash_len(req, pctx);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	gcm_hash_len_done(areq, err);
+}
+
+static void gcm_hash_crypt_done(struct crypto_async_request *areq,
+				int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
+	unsigned int remain;
+
+	if (!err) {
+		remain = gcm_remain(gctx->cryptlen);
+		BUG_ON(!remain);
+		err = gcm_hash_remain(req, pctx, remain,
+				      gcm_hash_crypt_remain_done);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	gcm_hash_crypt_remain_done(areq, err);
+}
+
+static void gcm_hash_assoc_remain_done(struct crypto_async_request *areq,
+					   int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
+	crypto_completion_t complete;
+	unsigned int remain = 0;
+
+	if (!err && gctx->cryptlen) {
+		remain = gcm_remain(gctx->cryptlen);
+		complete = remain ? gcm_hash_crypt_done :
+			gcm_hash_crypt_remain_done;
+		err = gcm_hash_update(req, pctx, complete,
+				      gctx->src, gctx->cryptlen);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	if (remain)
+		gcm_hash_crypt_done(areq, err);
+	else
+		gcm_hash_crypt_remain_done(areq, err);
+}
+
+static void gcm_hash_assoc_done(struct crypto_async_request *areq,
+				int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+	unsigned int remain;
+
+	if (!err) {
+		remain = gcm_remain(req->assoclen);
+		BUG_ON(!remain);
+		err = gcm_hash_remain(req, pctx, remain,
+				      gcm_hash_assoc_remain_done);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	gcm_hash_assoc_remain_done(areq, err);
+}
+
+static void gcm_hash_init_done(struct crypto_async_request *areq,
+			       int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+	crypto_completion_t complete;
+	unsigned int remain = 0;
+
+	if (!err && req->assoclen) {
+		remain = gcm_remain(req->assoclen);
+		complete = remain ? gcm_hash_assoc_done :
+			gcm_hash_assoc_remain_done;
+		err = gcm_hash_update(req, pctx, complete,
+				      req->assoc, req->assoclen);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	if (remain)
+		gcm_hash_assoc_done(areq, err);
+	else
+		gcm_hash_assoc_remain_done(areq, err);
+}
+
+static int gcm_hash(struct aead_request *req,
+		    struct crypto_gcm_req_priv_ctx *pctx)
+{
+	struct ahash_request *ahreq = &pctx->u.ahreq;
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
+	struct crypto_gcm_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+	unsigned int remain;
+	crypto_completion_t complete;
+	int err;
+
+	ahash_request_set_tfm(ahreq, ctx->ghash);
+
+	ahash_request_set_callback(ahreq, aead_request_flags(req),
+				   gcm_hash_init_done, req);
+	err = crypto_ahash_init(ahreq);
+	if (err)
+		return err;
+	remain = gcm_remain(req->assoclen);
+	complete = remain ? gcm_hash_assoc_done : gcm_hash_assoc_remain_done;
+	err = gcm_hash_update(req, pctx, complete, req->assoc, req->assoclen);
+	if (err)
+		return err;
+	if (remain) {
+		err = gcm_hash_remain(req, pctx, remain,
+				      gcm_hash_assoc_remain_done);
+		if (err)
+			return err;
+	}
+	remain = gcm_remain(gctx->cryptlen);
+	complete = remain ? gcm_hash_crypt_done : gcm_hash_crypt_remain_done;
+	err = gcm_hash_update(req, pctx, complete, gctx->src, gctx->cryptlen);
+	if (err)
+		return err;
+	if (remain) {
+		err = gcm_hash_remain(req, pctx, remain,
+				      gcm_hash_crypt_remain_done);
+		if (err)
+			return err;
+	}
+	err = gcm_hash_len(req, pctx);
+	if (err)
+		return err;
+	err = gcm_hash_final(req, pctx);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static void gcm_enc_copy_hash(struct aead_request *req,
+			      struct crypto_gcm_req_priv_ctx *pctx)
+{
+	struct crypto_aead *aead = crypto_aead_reqtfm(req);
+	u8 *auth_tag = pctx->auth_tag;
 
 	scatterwalk_map_and_copy(auth_tag, req->dst, req->cryptlen,
 				 crypto_aead_authsize(aead), 1);
-	return 0;
 }
 
-static void crypto_gcm_encrypt_done(struct crypto_async_request *areq, int err)
+static void gcm_enc_hash_done(struct crypto_async_request *areq,
+				     int err)
 {
 	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
 
 	if (!err)
-		err = crypto_gcm_hash(req);
+		gcm_enc_copy_hash(req, pctx);
 
 	aead_request_complete(req, err);
 }
 
+static void gcm_encrypt_done(struct crypto_async_request *areq,
+				     int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+
+	if (!err) {
+		err = gcm_hash(req, pctx);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	gcm_enc_hash_done(areq, err);
+}
+
 static int crypto_gcm_encrypt(struct aead_request *req)
 {
 	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
-	struct ablkcipher_request *abreq = &pctx->abreq;
+	struct ablkcipher_request *abreq = &pctx->u.abreq;
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
 	int err;
 
 	crypto_gcm_init_crypt(abreq, req, req->cryptlen);
 	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
-					crypto_gcm_encrypt_done, req);
+					gcm_encrypt_done, req);
+
+	gctx->src = req->dst;
+	gctx->cryptlen = req->cryptlen;
+	gctx->complete = gcm_enc_hash_done;
 
 	err = crypto_ablkcipher_encrypt(abreq);
 	if (err)
 		return err;
 
-	return crypto_gcm_hash(req);
+	err = gcm_hash(req, pctx);
+	if (err)
+		return err;
+
+	crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);
+	gcm_enc_copy_hash(req, pctx);
+
+	return 0;
 }
 
-static int crypto_gcm_verify(struct aead_request *req)
+static int crypto_gcm_verify(struct aead_request *req,
+			     struct crypto_gcm_req_priv_ctx *pctx)
 {
 	struct crypto_aead *aead = crypto_aead_reqtfm(req);
-	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
-	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;
 	u8 *auth_tag = pctx->auth_tag;
 	u8 *iauth_tag = pctx->iauth_tag;
 	unsigned int authsize = crypto_aead_authsize(aead);
 	unsigned int cryptlen = req->cryptlen - authsize;
 
-	crypto_gcm_ghash_final_xor(ghash, req->assoclen, cryptlen, auth_tag);
-
-	authsize = crypto_aead_authsize(aead);
+	crypto_xor(auth_tag, iauth_tag, 16);
 	scatterwalk_map_and_copy(iauth_tag, req->src, cryptlen, authsize, 0);
 	return memcmp(iauth_tag, auth_tag, authsize) ? -EBADMSG : 0;
 }
 
-static void crypto_gcm_decrypt_done(struct crypto_async_request *areq, int err)
+static void gcm_decrypt_done(struct crypto_async_request *areq, int err)
 {
 	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
 
 	if (!err)
-		err = crypto_gcm_verify(req);
+		err = crypto_gcm_verify(req, pctx);
 
 	aead_request_complete(req, err);
 }
 
+static void gcm_dec_hash_done(struct crypto_async_request *areq, int err)
+{
+	struct aead_request *req = areq->data;
+	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
+	struct ablkcipher_request *abreq = &pctx->u.abreq;
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
+
+	if (!err) {
+		ablkcipher_request_set_callback(abreq, aead_request_flags(req),
+						gcm_decrypt_done, req);
+		crypto_gcm_init_crypt(abreq, req, gctx->cryptlen);
+		err = crypto_ablkcipher_decrypt(abreq);
+		if (err == -EINPROGRESS || err == -EBUSY)
+			return;
+	}
+
+	gcm_decrypt_done(areq, err);
+}
+
 static int crypto_gcm_decrypt(struct aead_request *req)
 {
 	struct crypto_aead *aead = crypto_aead_reqtfm(req);
 	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
-	struct ablkcipher_request *abreq = &pctx->abreq;
-	struct crypto_gcm_ghash_ctx *ghash = &pctx->ghash;
-	unsigned int cryptlen = req->cryptlen;
+	struct ablkcipher_request *abreq = &pctx->u.abreq;
+	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
 	unsigned int authsize = crypto_aead_authsize(aead);
+	unsigned int cryptlen = req->cryptlen;
 	int err;
 
 	if (cryptlen < authsize)
 		return -EINVAL;
 	cryptlen -= authsize;
 
-	crypto_gcm_init_crypt(abreq, req, cryptlen);
-	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
-					crypto_gcm_decrypt_done, req);
+	gctx->src = req->src;
+	gctx->cryptlen = cryptlen;
+	gctx->complete = gcm_dec_hash_done;
 
-	crypto_gcm_ghash_update_sg(ghash, req->src, cryptlen);
+	err = gcm_hash(req, pctx);
+	if (err)
+		return err;
 
+	ablkcipher_request_set_callback(abreq, aead_request_flags(req),
+					gcm_decrypt_done, req);
+	crypto_gcm_init_crypt(abreq, req, cryptlen);
 	err = crypto_ablkcipher_decrypt(abreq);
 	if (err)
 		return err;
 
-	return crypto_gcm_verify(req);
+	return crypto_gcm_verify(req, pctx);
 }
 
 static int crypto_gcm_init_tfm(struct crypto_tfm *tfm)
@@ -406,43 +595,56 @@ static int crypto_gcm_init_tfm(struct crypto_tfm *tfm)
 	struct gcm_instance_ctx *ictx = crypto_instance_ctx(inst);
 	struct crypto_gcm_ctx *ctx = crypto_tfm_ctx(tfm);
 	struct crypto_ablkcipher *ctr;
+	struct crypto_ahash *ghash;
 	unsigned long align;
 	int err;
 
+	ghash = crypto_spawn_ahash(&ictx->ghash);
+	if (IS_ERR(ghash))
+		return PTR_ERR(ghash);
+
 	ctr = crypto_spawn_skcipher(&ictx->ctr);
 	err = PTR_ERR(ctr);
 	if (IS_ERR(ctr))
-		return err;
+		goto err_free_hash;
 
 	ctx->ctr = ctr;
-	ctx->gf128 = NULL;
+	ctx->ghash = ghash;
 
 	align = crypto_tfm_alg_alignmask(tfm);
 	align &= ~(crypto_tfm_ctx_alignment() - 1);
 	tfm->crt_aead.reqsize = align +
-				sizeof(struct crypto_gcm_req_priv_ctx) +
-				crypto_ablkcipher_reqsize(ctr);
+		offsetof(struct crypto_gcm_req_priv_ctx, u) +
+		max(sizeof(struct ablkcipher_request) +
+		    crypto_ablkcipher_reqsize(ctr),
+		    sizeof(struct ahash_request) +
+		    crypto_ahash_reqsize(ghash));
 
 	return 0;
+
+err_free_hash:
+	crypto_free_ahash(ghash);
+	return err;
 }
 
 static void crypto_gcm_exit_tfm(struct crypto_tfm *tfm)
 {
 	struct crypto_gcm_ctx *ctx = crypto_tfm_ctx(tfm);
 
-	if (ctx->gf128 != NULL)
-		gf128mul_free_4k(ctx->gf128);
-
+	crypto_free_ahash(ctx->ghash);
 	crypto_free_ablkcipher(ctx->ctr);
 }
 
 static struct crypto_instance *crypto_gcm_alloc_common(struct rtattr **tb,
 						       const char *full_name,
-						       const char *ctr_name)
+						       const char *ctr_name,
+						       const char *ghash_name)
 {
 	struct crypto_attr_type *algt;
 	struct crypto_instance *inst;
 	struct crypto_alg *ctr;
+	struct crypto_alg *ghash_alg;
+	struct ahash_alg *ghash_ahash_alg;
 	struct gcm_instance_ctx *ctx;
 	int err;
 
@@ -454,17 +656,31 @@ static struct crypto_instance *crypto_gcm_alloc_common(struct rtattr **tb,
 	if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) & algt->mask)
 		return ERR_PTR(-EINVAL);
 
+	ghash_alg = crypto_find_alg(ghash_name, &crypto_ahash_type,
+				    CRYPTO_ALG_TYPE_HASH,
+				    CRYPTO_ALG_TYPE_AHASH_MASK);
+	err = PTR_ERR(ghash_alg);
+	if (IS_ERR(ghash_alg))
+		return ERR_PTR(err);
+
+	err = -ENOMEM;
 	inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
 	if (!inst)
-		return ERR_PTR(-ENOMEM);
+		goto out_put_ghash;
 
 	ctx = crypto_instance_ctx(inst);
+	ghash_ahash_alg = container_of(ghash_alg, struct ahash_alg, halg.base);
+	err = crypto_init_ahash_spawn(&ctx->ghash, &ghash_ahash_alg->halg,
+				      inst);
+	if (err)
+		goto err_free_inst;
+
 	crypto_set_skcipher_spawn(&ctx->ctr, inst);
 	err = crypto_grab_skcipher(&ctx->ctr, ctr_name, 0,
 				   crypto_requires_sync(algt->type,
 							algt->mask));
 	if (err)
-		goto err_free_inst;
+		goto err_drop_ghash;
 
 	ctr = crypto_skcipher_spawn_alg(&ctx->ctr);
 
@@ -479,7 +695,8 @@ static struct crypto_instance *crypto_gcm_alloc_common(struct rtattr **tb,
 
 	err = -ENAMETOOLONG;
 	if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
-		     "gcm_base(%s)", ctr->cra_driver_name) >=
+		     "gcm_base(%s,%s)", ctr->cra_driver_name,
+		     ghash_alg->cra_driver_name) >=
 	    CRYPTO_MAX_ALG_NAME)
 		goto out_put_ctr;
 
@@ -502,12 +719,16 @@ static struct crypto_instance *crypto_gcm_alloc_common(struct rtattr **tb,
 	inst->alg.cra_aead.decrypt = crypto_gcm_decrypt;
 
 out:
+	crypto_mod_put(ghash_alg);
 	return inst;
 
 out_put_ctr:
 	crypto_drop_skcipher(&ctx->ctr);
+err_drop_ghash:
+	crypto_drop_ahash(&ctx->ghash);
 err_free_inst:
 	kfree(inst);
+out_put_ghash:
 	inst = ERR_PTR(err);
 	goto out;
 }
@@ -532,7 +753,7 @@ static struct crypto_instance *crypto_gcm_alloc(struct rtattr **tb)
 	    CRYPTO_MAX_ALG_NAME)
 		return ERR_PTR(-ENAMETOOLONG);
 
-	return crypto_gcm_alloc_common(tb, full_name, ctr_name);
+	return crypto_gcm_alloc_common(tb, full_name, ctr_name, "ghash");
 }
 
 static void crypto_gcm_free(struct crypto_instance *inst)
@@ -540,6 +761,7 @@ static void crypto_gcm_free(struct crypto_instance *inst)
 	struct gcm_instance_ctx *ctx = crypto_instance_ctx(inst);
 
 	crypto_drop_skcipher(&ctx->ctr);
+	crypto_drop_ahash(&ctx->ghash);
 	kfree(inst);
 }
 
@@ -554,6 +776,7 @@ static struct crypto_instance *crypto_gcm_base_alloc(struct rtattr **tb)
 {
 	int err;
 	const char *ctr_name;
+	const char *ghash_name;
 	char full_name[CRYPTO_MAX_ALG_NAME];
 
 	ctr_name = crypto_attr_alg_name(tb[1]);
@@ -561,11 +784,16 @@ static struct crypto_instance *crypto_gcm_base_alloc(struct rtattr **tb)
 	if (IS_ERR(ctr_name))
 		return ERR_PTR(err);
 
-	if (snprintf(full_name, CRYPTO_MAX_ALG_NAME, "gcm_base(%s)",
-		     ctr_name) >= CRYPTO_MAX_ALG_NAME)
+	ghash_name = crypto_attr_alg_name(tb[2]);
+	err = PTR_ERR(ghash_name);
+	if (IS_ERR(ghash_name))
+		return ERR_PTR(err);
+
+	if (snprintf(full_name, CRYPTO_MAX_ALG_NAME, "gcm_base(%s,%s)",
+		     ctr_name, ghash_name) >= CRYPTO_MAX_ALG_NAME)
 		return ERR_PTR(-ENAMETOOLONG);
 
-	return crypto_gcm_alloc_common(tb, full_name, ctr_name);
+	return crypto_gcm_alloc_common(tb, full_name, ctr_name, ghash_name);
 }
 
 static struct crypto_template crypto_gcm_base_tmpl = {
@@ -784,6 +1012,10 @@ static int __init crypto_gcm_module_init(void)
 {
 	int err;
 
+	gcm_zeroes = kzalloc(16, GFP_KERNEL);
+	if (!gcm_zeroes)
+		return -ENOMEM;
+
 	err = crypto_register_template(&crypto_gcm_base_tmpl);
 	if (err)
 		goto out;
@@ -796,18 +1028,20 @@ static int __init crypto_gcm_module_init(void)
 	if (err)
 		goto out_undo_gcm;
 
-out:
-	return err;
+	return 0;
 
 out_undo_gcm:
 	crypto_unregister_template(&crypto_gcm_tmpl);
 out_undo_base:
 	crypto_unregister_template(&crypto_gcm_base_tmpl);
-	goto out;
+out:
+	kfree(gcm_zeroes);
+	return err;
 }
 
 static void __exit crypto_gcm_module_exit(void)
 {
+	kfree(gcm_zeroes);
 	crypto_unregister_template(&crypto_rfc4106_tmpl);
 	crypto_unregister_template(&crypto_gcm_tmpl);
 	crypto_unregister_template(&crypto_gcm_base_tmpl);
diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c
new file mode 100644
index 00000000000..be442561693
--- /dev/null
+++ b/crypto/ghash-generic.c
@@ -0,0 +1,170 @@
+/*
+ * GHASH: digest algorithm for GCM (Galois/Counter Mode).
+ *
+ * Copyright (c) 2007 Nokia Siemens Networks - Mikko Herranen <mh1@iki.fi>
+ * Copyright (c) 2009 Intel Corp.
+ *   Author: Huang Ying <ying.huang@intel.com>
+ *
+ * The algorithm implementation is copied from gcm.c.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <crypto/algapi.h>
+#include <crypto/gf128mul.h>
+#include <crypto/internal/hash.h>
+#include <linux/crypto.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#define GHASH_BLOCK_SIZE	16
+#define GHASH_DIGEST_SIZE	16
+
+struct ghash_ctx {
+	struct gf128mul_4k *gf128;
+};
+
+struct ghash_desc_ctx {
+	u8 buffer[GHASH_BLOCK_SIZE];
+	u32 bytes;
+};
+
+static int ghash_init(struct shash_desc *desc)
+{
+	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+
+	memset(dctx, 0, sizeof(*dctx));
+
+	return 0;
+}
+
+static int ghash_setkey(struct crypto_shash *tfm,
+			const u8 *key, unsigned int keylen)
+{
+	struct ghash_ctx *ctx = crypto_shash_ctx(tfm);
+
+	if (keylen != GHASH_BLOCK_SIZE) {
+		crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+		return -EINVAL;
+	}
+
+	if (ctx->gf128)
+		gf128mul_free_4k(ctx->gf128);
+	ctx->gf128 = gf128mul_init_4k_lle((be128 *)key);
+	if (!ctx->gf128)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static int ghash_update(struct shash_desc *desc,
+			 const u8 *src, unsigned int srclen)
+{
+	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
+	u8 *dst = dctx->buffer;
+
+	if (dctx->bytes) {
+		int n = min(srclen, dctx->bytes);
+		u8 *pos = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
+
+		dctx->bytes -= n;
+		srclen -= n;
+
+		while (n--)
+			*pos++ ^= *src++;
+
+		if (!dctx->bytes)
+			gf128mul_4k_lle((be128 *)dst, ctx->gf128);
+	}
+
+	while (srclen >= GHASH_BLOCK_SIZE) {
+		crypto_xor(dst, src, GHASH_BLOCK_SIZE);
+		gf128mul_4k_lle((be128 *)dst, ctx->gf128);
+		src += GHASH_BLOCK_SIZE;
+		srclen -= GHASH_BLOCK_SIZE;
+	}
+
+	if (srclen) {
+		dctx->bytes = GHASH_BLOCK_SIZE - srclen;
+		while (srclen--)
+			*dst++ ^= *src++;
+	}
+
+	return 0;
+}
+
+static void ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx)
+{
+	u8 *dst = dctx->buffer;
+
+	if (dctx->bytes) {
+		u8 *tmp = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
+
+		while (dctx->bytes--)
+			*tmp++ ^= 0;
+
+		gf128mul_4k_lle((be128 *)dst, ctx->gf128);
+	}
+
+	dctx->bytes = 0;
+}
+
+static int ghash_final(struct shash_desc *desc, u8 *dst)
+{
+	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
+	u8 *buf = dctx->buffer;
+
+	ghash_flush(ctx, dctx);
+	memcpy(dst, buf, GHASH_BLOCK_SIZE);
+
+	return 0;
+}
+
+static void ghash_exit_tfm(struct crypto_tfm *tfm)
+{
+	struct ghash_ctx *ctx = crypto_tfm_ctx(tfm);
+	if (ctx->gf128)
+		gf128mul_free_4k(ctx->gf128);
+}
+
+static struct shash_alg ghash_alg = {
+	.digestsize	= GHASH_DIGEST_SIZE,
+	.init		= ghash_init,
+	.update		= ghash_update,
+	.final		= ghash_final,
+	.setkey		= ghash_setkey,
+	.descsize	= sizeof(struct ghash_desc_ctx),
+	.base		= {
+		.cra_name		= "ghash",
+		.cra_driver_name	= "ghash-generic",
+		.cra_priority		= 100,
+		.cra_flags		= CRYPTO_ALG_TYPE_SHASH,
+		.cra_blocksize		= GHASH_BLOCK_SIZE,
+		.cra_ctxsize		= sizeof(struct ghash_ctx),
+		.cra_module		= THIS_MODULE,
+		.cra_list		= LIST_HEAD_INIT(ghash_alg.base.cra_list),
+		.cra_exit		= ghash_exit_tfm,
+	},
+};
+
+static int __init ghash_mod_init(void)
+{
+	return crypto_register_shash(&ghash_alg);
+}
+
+static void __exit ghash_mod_exit(void)
+{
+	crypto_unregister_shash(&ghash_alg);
+}
+
+module_init(ghash_mod_init);
+module_exit(ghash_mod_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("GHASH Message Digest Algorithm");
+MODULE_ALIAS("ghash");
diff --git a/crypto/hmac.c b/crypto/hmac.c
index 0ad39c37496..15c2eb53454 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -27,7 +27,7 @@
 #include <linux/string.h>
 
 struct hmac_ctx {
-	struct crypto_hash *child;
+	struct crypto_shash *hash;
 };
 
 static inline void *align_ptr(void *p, unsigned int align)
@@ -35,65 +35,45 @@ static inline void *align_ptr(void *p, unsigned int align)
 	return (void *)ALIGN((unsigned long)p, align);
 }
 
-static inline struct hmac_ctx *hmac_ctx(struct crypto_hash *tfm)
+static inline struct hmac_ctx *hmac_ctx(struct crypto_shash *tfm)
 {
-	return align_ptr(crypto_hash_ctx_aligned(tfm) +
-			 crypto_hash_blocksize(tfm) * 2 +
-			 crypto_hash_digestsize(tfm), sizeof(void *));
+	return align_ptr(crypto_shash_ctx_aligned(tfm) +
+			 crypto_shash_statesize(tfm) * 2,
+			 crypto_tfm_ctx_alignment());
 }
 
-static int hmac_setkey(struct crypto_hash *parent,
+static int hmac_setkey(struct crypto_shash *parent,
 		       const u8 *inkey, unsigned int keylen)
 {
-	int bs = crypto_hash_blocksize(parent);
-	int ds = crypto_hash_digestsize(parent);
-	char *ipad = crypto_hash_ctx_aligned(parent);
-	char *opad = ipad + bs;
-	char *digest = opad + bs;
-	struct hmac_ctx *ctx = align_ptr(digest + ds, sizeof(void *));
-	struct crypto_hash *tfm = ctx->child;
+	int bs = crypto_shash_blocksize(parent);
+	int ds = crypto_shash_digestsize(parent);
+	int ss = crypto_shash_statesize(parent);
+	char *ipad = crypto_shash_ctx_aligned(parent);
+	char *opad = ipad + ss;
+	struct hmac_ctx *ctx = align_ptr(opad + ss,
+					 crypto_tfm_ctx_alignment());
+	struct crypto_shash *hash = ctx->hash;
+	struct {
+		struct shash_desc shash;
+		char ctx[crypto_shash_descsize(hash)];
+	} desc;
 	unsigned int i;
 
+	desc.shash.tfm = hash;
+	desc.shash.flags = crypto_shash_get_flags(parent) &
+			    CRYPTO_TFM_REQ_MAY_SLEEP;
+
 	if (keylen > bs) {
-		struct hash_desc desc;
-		struct scatterlist tmp;
-		int tmplen;
 		int err;
 
-		desc.tfm = tfm;
-		desc.flags = crypto_hash_get_flags(parent);
-		desc.flags &= CRYPTO_TFM_REQ_MAY_SLEEP;
-
-		err = crypto_hash_init(&desc);
+		err = crypto_shash_digest(&desc.shash, inkey, keylen, ipad);
 		if (err)
 			return err;
 
-		tmplen = bs * 2 + ds;
-		sg_init_one(&tmp, ipad, tmplen);
-
-		for (; keylen > tmplen; inkey += tmplen, keylen -= tmplen) {
-			memcpy(ipad, inkey, tmplen);
-			err = crypto_hash_update(&desc, &tmp, tmplen);
-			if (err)
-				return err;
-		}
-
-		if (keylen) {
-			memcpy(ipad, inkey, keylen);
-			err = crypto_hash_update(&desc, &tmp, keylen);
-			if (err)
-				return err;
-		}
-
-		err = crypto_hash_final(&desc, digest);
-		if (err)
-			return err;
-
-		inkey = digest;
 		keylen = ds;
-	}
+	} else
+		memcpy(ipad, inkey, keylen);
 
-	memcpy(ipad, inkey, keylen);
 	memset(ipad + keylen, 0, bs - keylen);
 	memcpy(opad, ipad, bs);
 
@@ -102,184 +82,178 @@ static int hmac_setkey(struct crypto_hash *parent,
 		opad[i] ^= 0x5c;
 	}
 
-	return 0;
+	return crypto_shash_init(&desc.shash) ?:
+	       crypto_shash_update(&desc.shash, ipad, bs) ?:
+	       crypto_shash_export(&desc.shash, ipad) ?:
+	       crypto_shash_init(&desc.shash) ?:
+	       crypto_shash_update(&desc.shash, opad, bs) ?:
+	       crypto_shash_export(&desc.shash, opad);
 }
 
-static int hmac_init(struct hash_desc *pdesc)
+static int hmac_export(struct shash_desc *pdesc, void *out)
 {
-	struct crypto_hash *parent = pdesc->tfm;
-	int bs = crypto_hash_blocksize(parent);
-	int ds = crypto_hash_digestsize(parent);
-	char *ipad = crypto_hash_ctx_aligned(parent);
-	struct hmac_ctx *ctx = align_ptr(ipad + bs * 2 + ds, sizeof(void *));
-	struct hash_desc desc;
-	struct scatterlist tmp;
-	int err;
+	struct shash_desc *desc = shash_desc_ctx(pdesc);
 
-	desc.tfm = ctx->child;
-	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
-	sg_init_one(&tmp, ipad, bs);
+	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	err = crypto_hash_init(&desc);
-	if (unlikely(err))
-		return err;
-
-	return crypto_hash_update(&desc, &tmp, bs);
+	return crypto_shash_export(desc, out);
 }
 
-static int hmac_update(struct hash_desc *pdesc,
-		       struct scatterlist *sg, unsigned int nbytes)
+static int hmac_import(struct shash_desc *pdesc, const void *in)
 {
+	struct shash_desc *desc = shash_desc_ctx(pdesc);
 	struct hmac_ctx *ctx = hmac_ctx(pdesc->tfm);
-	struct hash_desc desc;
 
-	desc.tfm = ctx->child;
-	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	desc->tfm = ctx->hash;
+	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	return crypto_hash_update(&desc, sg, nbytes);
+	return crypto_shash_import(desc, in);
 }
 
-static int hmac_final(struct hash_desc *pdesc, u8 *out)
+static int hmac_init(struct shash_desc *pdesc)
 {
-	struct crypto_hash *parent = pdesc->tfm;
-	int bs = crypto_hash_blocksize(parent);
-	int ds = crypto_hash_digestsize(parent);
-	char *opad = crypto_hash_ctx_aligned(parent) + bs;
-	char *digest = opad + bs;
-	struct hmac_ctx *ctx = align_ptr(digest + ds, sizeof(void *));
-	struct hash_desc desc;
-	struct scatterlist tmp;
-	int err;
+	return hmac_import(pdesc, crypto_shash_ctx_aligned(pdesc->tfm));
+}
 
-	desc.tfm = ctx->child;
-	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
-	sg_init_one(&tmp, opad, bs + ds);
+static int hmac_update(struct shash_desc *pdesc,
+		       const u8 *data, unsigned int nbytes)
+{
+	struct shash_desc *desc = shash_desc_ctx(pdesc);
 
-	err = crypto_hash_final(&desc, digest);
-	if (unlikely(err))
-		return err;
+	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	return crypto_hash_digest(&desc, &tmp, bs + ds, out);
+	return crypto_shash_update(desc, data, nbytes);
 }
 
-static int hmac_digest(struct hash_desc *pdesc, struct scatterlist *sg,
-		       unsigned int nbytes, u8 *out)
+static int hmac_final(struct shash_desc *pdesc, u8 *out)
 {
-	struct crypto_hash *parent = pdesc->tfm;
-	int bs = crypto_hash_blocksize(parent);
-	int ds = crypto_hash_digestsize(parent);
-	char *ipad = crypto_hash_ctx_aligned(parent);
-	char *opad = ipad + bs;
-	char *digest = opad + bs;
-	struct hmac_ctx *ctx = align_ptr(digest + ds, sizeof(void *));
-	struct hash_desc desc;
-	struct scatterlist sg1[2];
-	struct scatterlist sg2[1];
-	int err;
+	struct crypto_shash *parent = pdesc->tfm;
+	int ds = crypto_shash_digestsize(parent);
+	int ss = crypto_shash_statesize(parent);
+	char *opad = crypto_shash_ctx_aligned(parent) + ss;
+	struct shash_desc *desc = shash_desc_ctx(pdesc);
 
-	desc.tfm = ctx->child;
-	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
 
-	sg_init_table(sg1, 2);
-	sg_set_buf(sg1, ipad, bs);
-	scatterwalk_sg_chain(sg1, 2, sg);
+	return crypto_shash_final(desc, out) ?:
+	       crypto_shash_import(desc, opad) ?:
+	       crypto_shash_finup(desc, out, ds, out);
+}
 
-	sg_init_table(sg2, 1);
-	sg_set_buf(sg2, opad, bs + ds);
+static int hmac_finup(struct shash_desc *pdesc, const u8 *data,
+		      unsigned int nbytes, u8 *out)
+{
 
-	err = crypto_hash_digest(&desc, sg1, nbytes + bs, digest);
-	if (unlikely(err))
-		return err;
+	struct crypto_shash *parent = pdesc->tfm;
+	int ds = crypto_shash_digestsize(parent);
+	int ss = crypto_shash_statesize(parent);
+	char *opad = crypto_shash_ctx_aligned(parent) + ss;
+	struct shash_desc *desc = shash_desc_ctx(pdesc);
 
-	return crypto_hash_digest(&desc, sg2, bs + ds, out);
+	desc->flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
+
+	return crypto_shash_finup(desc, data, nbytes, out) ?:
+	       crypto_shash_import(desc, opad) ?:
+	       crypto_shash_finup(desc, out, ds, out);
 }
 
 static int hmac_init_tfm(struct crypto_tfm *tfm)
 {
-	struct crypto_hash *hash;
+	struct crypto_shash *parent = __crypto_shash_cast(tfm);
+	struct crypto_shash *hash;
 	struct crypto_instance *inst = (void *)tfm->__crt_alg;
-	struct crypto_spawn *spawn = crypto_instance_ctx(inst);
-	struct hmac_ctx *ctx = hmac_ctx(__crypto_hash_cast(tfm));
+	struct crypto_shash_spawn *spawn = crypto_instance_ctx(inst);
+	struct hmac_ctx *ctx = hmac_ctx(parent);
 
-	hash = crypto_spawn_hash(spawn);
+	hash = crypto_spawn_shash(spawn);
 	if (IS_ERR(hash))
 		return PTR_ERR(hash);
 
-	ctx->child = hash;
+	parent->descsize = sizeof(struct shash_desc) +
+			   crypto_shash_descsize(hash);
+
+	ctx->hash = hash;
 	return 0;
 }
 
 static void hmac_exit_tfm(struct crypto_tfm *tfm)
 {
-	struct hmac_ctx *ctx = hmac_ctx(__crypto_hash_cast(tfm));
-	crypto_free_hash(ctx->child);
+	struct hmac_ctx *ctx = hmac_ctx(__crypto_shash_cast(tfm));
+	crypto_free_shash(ctx->hash);
 }
 
-static void hmac_free(struct crypto_instance *inst)
+static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb)
 {
-	crypto_drop_spawn(crypto_instance_ctx(inst));
-	kfree(inst);
-}
-
-static struct crypto_instance *hmac_alloc(struct rtattr **tb)
-{
-	struct crypto_instance *inst;
+	struct shash_instance *inst;
 	struct crypto_alg *alg;
+	struct shash_alg *salg;
 	int err;
 	int ds;
+	int ss;
 
-	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_HASH);
+	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH);
 	if (err)
-		return ERR_PTR(err);
-
-	alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_HASH,
-				  CRYPTO_ALG_TYPE_HASH_MASK);
-	if (IS_ERR(alg))
-		return ERR_CAST(alg);
-
-	inst = ERR_PTR(-EINVAL);
-	ds = alg->cra_type == &crypto_hash_type ?
-	     alg->cra_hash.digestsize :
-	     alg->cra_type ?
-	     __crypto_shash_alg(alg)->digestsize :
-	     alg->cra_digest.dia_digestsize;
-	if (ds > alg->cra_blocksize)
+		return err;
+
+	salg = shash_attr_alg(tb[1], 0, 0);
+	if (IS_ERR(salg))
+		return PTR_ERR(salg);
+
+	err = -EINVAL;
+	ds = salg->digestsize;
+	ss = salg->statesize;
+	alg = &salg->base;
+	if (ds > alg->cra_blocksize ||
+	    ss < alg->cra_blocksize)
 		goto out_put_alg;
 
-	inst = crypto_alloc_instance("hmac", alg);
+	inst = shash_alloc_instance("hmac", alg);
+	err = PTR_ERR(inst);
 	if (IS_ERR(inst))
 		goto out_put_alg;
 
-	inst->alg.cra_flags = CRYPTO_ALG_TYPE_HASH;
-	inst->alg.cra_priority = alg->cra_priority;
-	inst->alg.cra_blocksize = alg->cra_blocksize;
-	inst->alg.cra_alignmask = alg->cra_alignmask;
-	inst->alg.cra_type = &crypto_hash_type;
-
-	inst->alg.cra_hash.digestsize = ds;
-
-	inst->alg.cra_ctxsize = sizeof(struct hmac_ctx) +
-				ALIGN(inst->alg.cra_blocksize * 2 + ds,
-				      sizeof(void *));
-
-	inst->alg.cra_init = hmac_init_tfm;
-	inst->alg.cra_exit = hmac_exit_tfm;
-
-	inst->alg.cra_hash.init = hmac_init;
-	inst->alg.cra_hash.update = hmac_update;
-	inst->alg.cra_hash.final = hmac_final;
-	inst->alg.cra_hash.digest = hmac_digest;
-	inst->alg.cra_hash.setkey = hmac_setkey;
+	err = crypto_init_shash_spawn(shash_instance_ctx(inst), salg,
+				      shash_crypto_instance(inst));
+	if (err)
+		goto out_free_inst;
+
+	inst->alg.base.cra_priority = alg->cra_priority;
+	inst->alg.base.cra_blocksize = alg->cra_blocksize;
+	inst->alg.base.cra_alignmask = alg->cra_alignmask;
+
+	ss = ALIGN(ss, alg->cra_alignmask + 1);
+	inst->alg.digestsize = ds;
+	inst->alg.statesize = ss;
+
+	inst->alg.base.cra_ctxsize = sizeof(struct hmac_ctx) +
+				     ALIGN(ss * 2, crypto_tfm_ctx_alignment());
+
+	inst->alg.base.cra_init = hmac_init_tfm;
+	inst->alg.base.cra_exit = hmac_exit_tfm;
+
+	inst->alg.init = hmac_init;
+	inst->alg.update = hmac_update;
+	inst->alg.final = hmac_final;
+	inst->alg.finup = hmac_finup;
+	inst->alg.export = hmac_export;
+	inst->alg.import = hmac_import;
+	inst->alg.setkey = hmac_setkey;
+
+	err = shash_register_instance(tmpl, inst);
+	if (err) {
+out_free_inst:
+		shash_free_instance(shash_crypto_instance(inst));
+	}
 
 out_put_alg:
 	crypto_mod_put(alg);
-	return inst;
+	return err;
 }
 
 static struct crypto_template hmac_tmpl = {
 	.name = "hmac",
-	.alloc = hmac_alloc,
-	.free = hmac_free,
+	.create = hmac_create,
+	.free = shash_free_instance,
 	.module = THIS_MODULE,
 };
 
diff --git a/crypto/internal.h b/crypto/internal.h
index 113579a82df..2d226362e59 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -25,12 +25,7 @@
 #include <linux/notifier.h>
 #include <linux/rwsem.h>
 #include <linux/slab.h>
-
-#ifdef CONFIG_CRYPTO_FIPS
-extern int fips_enabled;
-#else
-#define fips_enabled 0
-#endif
+#include <linux/fips.h>
 
 /* Crypto notification events. */
 enum {
@@ -65,18 +60,6 @@ static inline void crypto_exit_proc(void)
 { }
 #endif
 
-static inline unsigned int crypto_digest_ctxsize(struct crypto_alg *alg)
-{
-	unsigned int len = alg->cra_ctxsize;
-
-	if (alg->cra_alignmask) {
-		len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
-		len += alg->cra_digest.dia_digestsize;
-	}
-
-	return len;
-}
-
 static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg)
 {
 	return alg->cra_ctxsize;
@@ -91,12 +74,9 @@ struct crypto_alg *crypto_mod_get(struct crypto_alg *alg);
 struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, u32 mask);
 struct crypto_alg *crypto_alg_mod_lookup(const char *name, u32 type, u32 mask);
 
-int crypto_init_digest_ops(struct crypto_tfm *tfm);
-int crypto_init_digest_ops_async(struct crypto_tfm *tfm);
 int crypto_init_cipher_ops(struct crypto_tfm *tfm);
 int crypto_init_compress_ops(struct crypto_tfm *tfm);
 
-void crypto_exit_digest_ops(struct crypto_tfm *tfm);
 void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
 void crypto_exit_compress_ops(struct crypto_tfm *tfm);
 
@@ -111,12 +91,12 @@ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
 				      u32 mask);
 void *crypto_create_tfm(struct crypto_alg *alg,
 			const struct crypto_type *frontend);
+struct crypto_alg *crypto_find_alg(const char *alg_name,
+				   const struct crypto_type *frontend,
+				   u32 type, u32 mask);
 void *crypto_alloc_tfm(const char *alg_name,
 		       const struct crypto_type *frontend, u32 type, u32 mask);
 
-int crypto_register_instance(struct crypto_template *tmpl,
-			     struct crypto_instance *inst);
-
 int crypto_register_notifier(struct notifier_block *nb);
 int crypto_unregister_notifier(struct notifier_block *nb);
 int crypto_probing_notify(unsigned long val, void *v);
diff --git a/crypto/pcompress.c b/crypto/pcompress.c
index bcadc03726b..f7c4a7d7412 100644
--- a/crypto/pcompress.c
+++ b/crypto/pcompress.c
@@ -36,14 +36,12 @@ static int crypto_pcomp_init(struct crypto_tfm *tfm, u32 type, u32 mask)
 	return 0;
 }
 
-static unsigned int crypto_pcomp_extsize(struct crypto_alg *alg,
-					 const struct crypto_type *frontend)
+static unsigned int crypto_pcomp_extsize(struct crypto_alg *alg)
 {
 	return alg->cra_ctxsize;
 }
 
-static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm,
-				 const struct crypto_type *frontend)
+static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm)
 {
 	return 0;
 }
diff --git a/crypto/rng.c b/crypto/rng.c
index 6e94bc73557..ba05e7380e7 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -123,4 +123,4 @@ void crypto_put_default_rng(void)
 EXPORT_SYMBOL_GPL(crypto_put_default_rng);
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Random Number Genertor");
+MODULE_DESCRIPTION("Random Number Generator");
diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c
index 9efef20454c..0416091bf45 100644
--- a/crypto/sha1_generic.c
+++ b/crypto/sha1_generic.c
@@ -25,31 +25,21 @@
 #include <crypto/sha.h>
 #include <asm/byteorder.h>
 
-struct sha1_ctx {
-        u64 count;
-        u32 state[5];
-        u8 buffer[64];
-};
-
 static int sha1_init(struct shash_desc *desc)
 {
-	struct sha1_ctx *sctx = shash_desc_ctx(desc);
+	struct sha1_state *sctx = shash_desc_ctx(desc);
 
-	static const struct sha1_ctx initstate = {
-	  0,
-	  { SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 },
-	  { 0, }
+	*sctx = (struct sha1_state){
+		.state = { SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 },
 	};
 
-	*sctx = initstate;
-
 	return 0;
 }
 
 static int sha1_update(struct shash_desc *desc, const u8 *data,
 			unsigned int len)
 {
-	struct sha1_ctx *sctx = shash_desc_ctx(desc);
+	struct sha1_state *sctx = shash_desc_ctx(desc);
 	unsigned int partial, done;
 	const u8 *src;
 
@@ -85,7 +75,7 @@ static int sha1_update(struct shash_desc *desc, const u8 *data,
 /* Add padding and return the message digest. */
 static int sha1_final(struct shash_desc *desc, u8 *out)
 {
-	struct sha1_ctx *sctx = shash_desc_ctx(desc);
+	struct sha1_state *sctx = shash_desc_ctx(desc);
 	__be32 *dst = (__be32 *)out;
 	u32 i, index, padlen;
 	__be64 bits;
@@ -111,12 +101,31 @@ static int sha1_final(struct shash_desc *desc, u8 *out)
 	return 0;
 }
 
+static int sha1_export(struct shash_desc *desc, void *out)
+{
+	struct sha1_state *sctx = shash_desc_ctx(desc);
+
+	memcpy(out, sctx, sizeof(*sctx));
+	return 0;
+}
+
+static int sha1_import(struct shash_desc *desc, const void *in)
+{
+	struct sha1_state *sctx = shash_desc_ctx(desc);
+
+	memcpy(sctx, in, sizeof(*sctx));
+	return 0;
+}
+
 static struct shash_alg alg = {
 	.digestsize	=	SHA1_DIGEST_SIZE,
 	.init		=	sha1_init,
 	.update		=	sha1_update,
 	.final		=	sha1_final,
-	.descsize	=	sizeof(struct sha1_ctx),
+	.export		=	sha1_export,
+	.import		=	sha1_import,
+	.descsize	=	sizeof(struct sha1_state),
+	.statesize	=	sizeof(struct sha1_state),
 	.base		=	{
 		.cra_name	=	"sha1",
 		.cra_driver_name=	"sha1-generic",
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c
index 6349d8339d3..c48459ebf05 100644
--- a/crypto/sha256_generic.c
+++ b/crypto/sha256_generic.c
@@ -25,12 +25,6 @@
 #include <crypto/sha.h>
 #include <asm/byteorder.h>
 
-struct sha256_ctx {
-	u32 count[2];
-	u32 state[8];
-	u8 buf[128];
-};
-
 static inline u32 Ch(u32 x, u32 y, u32 z)
 {
 	return z ^ (x & (y ^ z));
@@ -222,7 +216,7 @@ static void sha256_transform(u32 *state, const u8 *input)
 
 static int sha224_init(struct shash_desc *desc)
 {
-	struct sha256_ctx *sctx = shash_desc_ctx(desc);
+	struct sha256_state *sctx = shash_desc_ctx(desc);
 	sctx->state[0] = SHA224_H0;
 	sctx->state[1] = SHA224_H1;
 	sctx->state[2] = SHA224_H2;
@@ -231,15 +225,14 @@ static int sha224_init(struct shash_desc *desc)
 	sctx->state[5] = SHA224_H5;
 	sctx->state[6] = SHA224_H6;
 	sctx->state[7] = SHA224_H7;
-	sctx->count[0] = 0;
-	sctx->count[1] = 0;
+	sctx->count = 0;
 
 	return 0;
 }
 
 static int sha256_init(struct shash_desc *desc)
 {
-	struct sha256_ctx *sctx = shash_desc_ctx(desc);
+	struct sha256_state *sctx = shash_desc_ctx(desc);
 	sctx->state[0] = SHA256_H0;
 	sctx->state[1] = SHA256_H1;
 	sctx->state[2] = SHA256_H2;
@@ -248,7 +241,7 @@ static int sha256_init(struct shash_desc *desc)
 	sctx->state[5] = SHA256_H5;
 	sctx->state[6] = SHA256_H6;
 	sctx->state[7] = SHA256_H7;
-	sctx->count[0] = sctx->count[1] = 0;
+	sctx->count = 0;
 
 	return 0;
 }
@@ -256,58 +249,54 @@ static int sha256_init(struct shash_desc *desc)
 static int sha256_update(struct shash_desc *desc, const u8 *data,
 			  unsigned int len)
 {
-	struct sha256_ctx *sctx = shash_desc_ctx(desc);
-	unsigned int i, index, part_len;
-
-	/* Compute number of bytes mod 128 */
-	index = (unsigned int)((sctx->count[0] >> 3) & 0x3f);
-
-	/* Update number of bits */
-	if ((sctx->count[0] += (len << 3)) < (len << 3)) {
-		sctx->count[1]++;
-		sctx->count[1] += (len >> 29);
-	}
-
-	part_len = 64 - index;
-
-	/* Transform as many times as possible. */
-	if (len >= part_len) {
-		memcpy(&sctx->buf[index], data, part_len);
-		sha256_transform(sctx->state, sctx->buf);
-
-		for (i = part_len; i + 63 < len; i += 64)
-			sha256_transform(sctx->state, &data[i]);
-		index = 0;
-	} else {
-		i = 0;
+	struct sha256_state *sctx = shash_desc_ctx(desc);
+	unsigned int partial, done;
+	const u8 *src;
+
+	partial = sctx->count & 0x3f;
+	sctx->count += len;
+	done = 0;
+	src = data;
+
+	if ((partial + len) > 63) {
+		if (partial) {
+			done = -partial;
+			memcpy(sctx->buf + partial, data, done + 64);
+			src = sctx->buf;
+		}
+
+		do {
+			sha256_transform(sctx->state, src);
+			done += 64;
+			src = data + done;
+		} while (done + 63 < len);
+
+		partial = 0;
 	}
-
-	/* Buffer remaining input */
-	memcpy(&sctx->buf[index], &data[i], len-i);
+	memcpy(sctx->buf + partial, src, len - done);
 
 	return 0;
 }
 
 static int sha256_final(struct shash_desc *desc, u8 *out)
 {
-	struct sha256_ctx *sctx = shash_desc_ctx(desc);
+	struct sha256_state *sctx = shash_desc_ctx(desc);
 	__be32 *dst = (__be32 *)out;
-	__be32 bits[2];
+	__be64 bits;
 	unsigned int index, pad_len;
 	int i;
 	static const u8 padding[64] = { 0x80, };
 
 	/* Save number of bits */
-	bits[1] = cpu_to_be32(sctx->count[0]);
-	bits[0] = cpu_to_be32(sctx->count[1]);
+	bits = cpu_to_be64(sctx->count << 3);
 
 	/* Pad out to 56 mod 64. */
-	index = (sctx->count[0] >> 3) & 0x3f;
+	index = sctx->count & 0x3f;
 	pad_len = (index < 56) ? (56 - index) : ((64+56) - index);
 	sha256_update(desc, padding, pad_len);
 
 	/* Append length (before padding) */
-	sha256_update(desc, (const u8 *)bits, sizeof(bits));
+	sha256_update(desc, (const u8 *)&bits, sizeof(bits));
 
 	/* Store state in digest */
 	for (i = 0; i < 8; i++)
@@ -331,12 +320,31 @@ static int sha224_final(struct shash_desc *desc, u8 *hash)
 	return 0;
 }
 
+static int sha256_export(struct shash_desc *desc, void *out)
+{
+	struct sha256_state *sctx = shash_desc_ctx(desc);
+
+	memcpy(out, sctx, sizeof(*sctx));
+	return 0;
+}
+
+static int sha256_import(struct shash_desc *desc, const void *in)
+{
+	struct sha256_state *sctx = shash_desc_ctx(desc);
+
+	memcpy(sctx, in, sizeof(*sctx));
+	return 0;
+}
+
 static struct shash_alg sha256 = {
 	.digestsize	=	SHA256_DIGEST_SIZE,
 	.init		=	sha256_init,
 	.update		=	sha256_update,
 	.final		=	sha256_final,
-	.descsize	=	sizeof(struct sha256_ctx),
+	.export		=	sha256_export,
+	.import		=	sha256_import,
+	.descsize	=	sizeof(struct sha256_state),
+	.statesize	=	sizeof(struct sha256_state),
 	.base		=	{
 		.cra_name	=	"sha256",
 		.cra_driver_name=	"sha256-generic",
@@ -351,7 +359,7 @@ static struct shash_alg sha224 = {
 	.init		=	sha224_init,
 	.update		=	sha256_update,
 	.final		=	sha224_final,
-	.descsize	=	sizeof(struct sha256_ctx),
+	.descsize	=	sizeof(struct sha256_state),
 	.base		=	{
 		.cra_name	=	"sha224",
 		.cra_driver_name=	"sha224-generic",
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c
index 3bea38d1224..9ed9f60316e 100644
--- a/crypto/sha512_generic.c
+++ b/crypto/sha512_generic.c
@@ -21,12 +21,6 @@
 #include <linux/percpu.h>
 #include <asm/byteorder.h>
 
-struct sha512_ctx {
-	u64 state[8];
-	u32 count[4];
-	u8 buf[128];
-};
-
 static DEFINE_PER_CPU(u64[80], msg_schedule);
 
 static inline u64 Ch(u64 x, u64 y, u64 z)
@@ -141,7 +135,7 @@ sha512_transform(u64 *state, const u8 *input)
 static int
 sha512_init(struct shash_desc *desc)
 {
-	struct sha512_ctx *sctx = shash_desc_ctx(desc);
+	struct sha512_state *sctx = shash_desc_ctx(desc);
 	sctx->state[0] = SHA512_H0;
 	sctx->state[1] = SHA512_H1;
 	sctx->state[2] = SHA512_H2;
@@ -150,7 +144,7 @@ sha512_init(struct shash_desc *desc)
 	sctx->state[5] = SHA512_H5;
 	sctx->state[6] = SHA512_H6;
 	sctx->state[7] = SHA512_H7;
-	sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
+	sctx->count[0] = sctx->count[1] = 0;
 
 	return 0;
 }
@@ -158,7 +152,7 @@ sha512_init(struct shash_desc *desc)
 static int
 sha384_init(struct shash_desc *desc)
 {
-	struct sha512_ctx *sctx = shash_desc_ctx(desc);
+	struct sha512_state *sctx = shash_desc_ctx(desc);
 	sctx->state[0] = SHA384_H0;
 	sctx->state[1] = SHA384_H1;
 	sctx->state[2] = SHA384_H2;
@@ -167,7 +161,7 @@ sha384_init(struct shash_desc *desc)
 	sctx->state[5] = SHA384_H5;
 	sctx->state[6] = SHA384_H6;
 	sctx->state[7] = SHA384_H7;
-        sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
+	sctx->count[0] = sctx->count[1] = 0;
 
 	return 0;
 }
@@ -175,20 +169,16 @@ sha384_init(struct shash_desc *desc)
 static int
 sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len)
 {
-	struct sha512_ctx *sctx = shash_desc_ctx(desc);
+	struct sha512_state *sctx = shash_desc_ctx(desc);
 
 	unsigned int i, index, part_len;
 
 	/* Compute number of bytes mod 128 */
-	index = (unsigned int)((sctx->count[0] >> 3) & 0x7F);
-
-	/* Update number of bits */
-	if ((sctx->count[0] += (len << 3)) < (len << 3)) {
-		if ((sctx->count[1] += 1) < 1)
-			if ((sctx->count[2] += 1) < 1)
-				sctx->count[3]++;
-		sctx->count[1] += (len >> 29);
-	}
+	index = sctx->count[0] & 0x7f;
+
+	/* Update number of bytes */
+	if (!(sctx->count[0] += len))
+		sctx->count[1]++;
 
         part_len = 128 - index;
 
@@ -214,21 +204,19 @@ sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len)
 static int
 sha512_final(struct shash_desc *desc, u8 *hash)
 {
-	struct sha512_ctx *sctx = shash_desc_ctx(desc);
+	struct sha512_state *sctx = shash_desc_ctx(desc);
         static u8 padding[128] = { 0x80, };
 	__be64 *dst = (__be64 *)hash;
-	__be32 bits[4];
+	__be64 bits[2];
 	unsigned int index, pad_len;
 	int i;
 
 	/* Save number of bits */
-	bits[3] = cpu_to_be32(sctx->count[0]);
-	bits[2] = cpu_to_be32(sctx->count[1]);
-	bits[1] = cpu_to_be32(sctx->count[2]);
-	bits[0] = cpu_to_be32(sctx->count[3]);
+	bits[1] = cpu_to_be64(sctx->count[0] << 3);
+	bits[0] = cpu_to_be64(sctx->count[1] << 3 | sctx->count[0] >> 61);
 
 	/* Pad out to 112 mod 128. */
-	index = (sctx->count[0] >> 3) & 0x7f;
+	index = sctx->count[0] & 0x7f;
 	pad_len = (index < 112) ? (112 - index) : ((128+112) - index);
 	sha512_update(desc, padding, pad_len);
 
@@ -240,7 +228,7 @@ sha512_final(struct shash_desc *desc, u8 *hash)
 		dst[i] = cpu_to_be64(sctx->state[i]);
 
 	/* Zeroize sensitive information. */
-	memset(sctx, 0, sizeof(struct sha512_ctx));
+	memset(sctx, 0, sizeof(struct sha512_state));
 
 	return 0;
 }
@@ -262,7 +250,7 @@ static struct shash_alg sha512 = {
 	.init		=	sha512_init,
 	.update		=	sha512_update,
 	.final		=	sha512_final,
-	.descsize	=	sizeof(struct sha512_ctx),
+	.descsize	=	sizeof(struct sha512_state),
 	.base		=	{
 		.cra_name	=	"sha512",
 		.cra_flags	=	CRYPTO_ALG_TYPE_SHASH,
@@ -276,7 +264,7 @@ static struct shash_alg sha384 = {
 	.init		=	sha384_init,
 	.update		=	sha512_update,
 	.final		=	sha384_final,
-	.descsize	=	sizeof(struct sha512_ctx),
+	.descsize	=	sizeof(struct sha512_state),
 	.base		=	{
 		.cra_name	=	"sha384",
 		.cra_flags	=	CRYPTO_ALG_TYPE_SHASH,
diff --git a/crypto/shash.c b/crypto/shash.c
index 2ccc8b0076c..91f7b9d8388 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -22,6 +22,12 @@
 
 static const struct crypto_type crypto_shash_type;
 
+static int shash_no_setkey(struct crypto_shash *tfm, const u8 *key,
+			   unsigned int keylen)
+{
+	return -ENOSYS;
+}
+
 static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
 				  unsigned int keylen)
 {
@@ -39,8 +45,7 @@ static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
 	alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
 	memcpy(alignbuffer, key, keylen);
 	err = shash->setkey(tfm, alignbuffer, keylen);
-	memset(alignbuffer, 0, keylen);
-	kfree(buffer);
+	kzfree(buffer);
 	return err;
 }
 
@@ -50,9 +55,6 @@ int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key,
 	struct shash_alg *shash = crypto_shash_alg(tfm);
 	unsigned long alignmask = crypto_shash_alignmask(tfm);
 
-	if (!shash->setkey)
-		return -ENOSYS;
-
 	if ((unsigned long)key & alignmask)
 		return shash_setkey_unaligned(tfm, key, keylen);
 
@@ -74,15 +76,19 @@ static int shash_update_unaligned(struct shash_desc *desc, const u8 *data,
 	unsigned long alignmask = crypto_shash_alignmask(tfm);
 	unsigned int unaligned_len = alignmask + 1 -
 				     ((unsigned long)data & alignmask);
-	u8 buf[shash_align_buffer_size(unaligned_len, alignmask)]
+	u8 ubuf[shash_align_buffer_size(unaligned_len, alignmask)]
 		__attribute__ ((aligned));
+	u8 *buf = PTR_ALIGN(&ubuf[0], alignmask + 1);
+	int err;
 
 	if (unaligned_len > len)
 		unaligned_len = len;
 
 	memcpy(buf, data, unaligned_len);
+	err = shash->update(desc, buf, unaligned_len);
+	memset(buf, 0, unaligned_len);
 
-	return shash->update(desc, buf, unaligned_len) ?:
+	return err ?:
 	       shash->update(desc, data + unaligned_len, len - unaligned_len);
 }
 
@@ -106,12 +112,19 @@ static int shash_final_unaligned(struct shash_desc *desc, u8 *out)
 	unsigned long alignmask = crypto_shash_alignmask(tfm);
 	struct shash_alg *shash = crypto_shash_alg(tfm);
 	unsigned int ds = crypto_shash_digestsize(tfm);
-	u8 buf[shash_align_buffer_size(ds, alignmask)]
+	u8 ubuf[shash_align_buffer_size(ds, alignmask)]
 		__attribute__ ((aligned));
+	u8 *buf = PTR_ALIGN(&ubuf[0], alignmask + 1);
 	int err;
 
 	err = shash->final(desc, buf);
+	if (err)
+		goto out;
+
 	memcpy(out, buf, ds);
+
+out:
+	memset(buf, 0, ds);
 	return err;
 }
 
@@ -142,8 +155,7 @@ int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
 	struct shash_alg *shash = crypto_shash_alg(tfm);
 	unsigned long alignmask = crypto_shash_alignmask(tfm);
 
-	if (((unsigned long)data | (unsigned long)out) & alignmask ||
-	    !shash->finup)
+	if (((unsigned long)data | (unsigned long)out) & alignmask)
 		return shash_finup_unaligned(desc, data, len, out);
 
 	return shash->finup(desc, data, len, out);
@@ -154,8 +166,7 @@ static int shash_digest_unaligned(struct shash_desc *desc, const u8 *data,
 				  unsigned int len, u8 *out)
 {
 	return crypto_shash_init(desc) ?:
-	       crypto_shash_update(desc, data, len) ?:
-	       crypto_shash_final(desc, out);
+	       crypto_shash_finup(desc, data, len, out);
 }
 
 int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
@@ -165,27 +176,24 @@ int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
 	struct shash_alg *shash = crypto_shash_alg(tfm);
 	unsigned long alignmask = crypto_shash_alignmask(tfm);
 
-	if (((unsigned long)data | (unsigned long)out) & alignmask ||
-	    !shash->digest)
+	if (((unsigned long)data | (unsigned long)out) & alignmask)
 		return shash_digest_unaligned(desc, data, len, out);
 
 	return shash->digest(desc, data, len, out);
 }
 EXPORT_SYMBOL_GPL(crypto_shash_digest);
 
-int crypto_shash_import(struct shash_desc *desc, const u8 *in)
+static int shash_default_export(struct shash_desc *desc, void *out)
 {
-	struct crypto_shash *tfm = desc->tfm;
-	struct shash_alg *alg = crypto_shash_alg(tfm);
-
-	memcpy(shash_desc_ctx(desc), in, crypto_shash_descsize(tfm));
-
-	if (alg->reinit)
-		alg->reinit(desc);
+	memcpy(out, shash_desc_ctx(desc), crypto_shash_descsize(desc->tfm));
+	return 0;
+}
 
+static int shash_default_import(struct shash_desc *desc, const void *in)
+{
+	memcpy(shash_desc_ctx(desc), in, crypto_shash_descsize(desc->tfm));
 	return 0;
 }
-EXPORT_SYMBOL_GPL(crypto_shash_import);
 
 static int shash_async_setkey(struct crypto_ahash *tfm, const u8 *key,
 			      unsigned int keylen)
@@ -206,9 +214,8 @@ static int shash_async_init(struct ahash_request *req)
 	return crypto_shash_init(desc);
 }
 
-static int shash_async_update(struct ahash_request *req)
+int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc)
 {
-	struct shash_desc *desc = ahash_request_ctx(req);
 	struct crypto_hash_walk walk;
 	int nbytes;
 
@@ -218,13 +225,51 @@ static int shash_async_update(struct ahash_request *req)
 
 	return nbytes;
 }
+EXPORT_SYMBOL_GPL(shash_ahash_update);
+
+static int shash_async_update(struct ahash_request *req)
+{
+	return shash_ahash_update(req, ahash_request_ctx(req));
+}
 
 static int shash_async_final(struct ahash_request *req)
 {
 	return crypto_shash_final(ahash_request_ctx(req), req->result);
 }
 
-static int shash_async_digest(struct ahash_request *req)
+int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc)
+{
+	struct crypto_hash_walk walk;
+	int nbytes;
+
+	nbytes = crypto_hash_walk_first(req, &walk);
+	if (!nbytes)
+		return crypto_shash_final(desc, req->result);
+
+	do {
+		nbytes = crypto_hash_walk_last(&walk) ?
+			 crypto_shash_finup(desc, walk.data, nbytes,
+					    req->result) :
+			 crypto_shash_update(desc, walk.data, nbytes);
+		nbytes = crypto_hash_walk_done(&walk, nbytes);
+	} while (nbytes > 0);
+
+	return nbytes;
+}
+EXPORT_SYMBOL_GPL(shash_ahash_finup);
+
+static int shash_async_finup(struct ahash_request *req)
+{
+	struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
+	struct shash_desc *desc = ahash_request_ctx(req);
+
+	desc->tfm = *ctx;
+	desc->flags = req->base.flags;
+
+	return shash_ahash_finup(req, desc);
+}
+
+int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc)
 {
 	struct scatterlist *sg = req->src;
 	unsigned int offset = sg->offset;
@@ -232,34 +277,40 @@ static int shash_async_digest(struct ahash_request *req)
 	int err;
 
 	if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
-		struct crypto_shash **ctx =
-			crypto_ahash_ctx(crypto_ahash_reqtfm(req));
-		struct shash_desc *desc = ahash_request_ctx(req);
 		void *data;
 
-		desc->tfm = *ctx;
-		desc->flags = req->base.flags;
-
 		data = crypto_kmap(sg_page(sg), 0);
 		err = crypto_shash_digest(desc, data + offset, nbytes,
 					  req->result);
 		crypto_kunmap(data, 0);
 		crypto_yield(desc->flags);
-		goto out;
-	}
+	} else
+		err = crypto_shash_init(desc) ?:
+		      shash_ahash_finup(req, desc);
 
-	err = shash_async_init(req);
-	if (err)
-		goto out;
+	return err;
+}
+EXPORT_SYMBOL_GPL(shash_ahash_digest);
 
-	err = shash_async_update(req);
-	if (err)
-		goto out;
+static int shash_async_digest(struct ahash_request *req)
+{
+	struct crypto_shash **ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
+	struct shash_desc *desc = ahash_request_ctx(req);
 
-	err = shash_async_final(req);
+	desc->tfm = *ctx;
+	desc->flags = req->base.flags;
 
-out:
-	return err;
+	return shash_ahash_digest(req, desc);
+}
+
+static int shash_async_export(struct ahash_request *req, void *out)
+{
+	return crypto_shash_export(ahash_request_ctx(req), out);
+}
+
+static int shash_async_import(struct ahash_request *req, const void *in)
+{
+	return crypto_shash_import(ahash_request_ctx(req), in);
 }
 
 static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm)
@@ -269,11 +320,11 @@ static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm)
 	crypto_free_shash(*ctx);
 }
 
-static int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
+int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
 {
 	struct crypto_alg *calg = tfm->__crt_alg;
 	struct shash_alg *alg = __crypto_shash_alg(calg);
-	struct ahash_tfm *crt = &tfm->crt_ahash;
+	struct crypto_ahash *crt = __crypto_ahash_cast(tfm);
 	struct crypto_shash **ctx = crypto_tfm_ctx(tfm);
 	struct crypto_shash *shash;
 
@@ -291,11 +342,17 @@ static int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
 
 	crt->init = shash_async_init;
 	crt->update = shash_async_update;
-	crt->final  = shash_async_final;
+	crt->final = shash_async_final;
+	crt->finup = shash_async_finup;
 	crt->digest = shash_async_digest;
-	crt->setkey = shash_async_setkey;
 
-	crt->digestsize = alg->digestsize;
+	if (alg->setkey)
+		crt->setkey = shash_async_setkey;
+	if (alg->export)
+		crt->export = shash_async_export;
+	if (alg->import)
+		crt->import = shash_async_import;
+
 	crt->reqsize = sizeof(struct shash_desc) + crypto_shash_descsize(shash);
 
 	return 0;
@@ -304,14 +361,16 @@ static int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
 static int shash_compat_setkey(struct crypto_hash *tfm, const u8 *key,
 			       unsigned int keylen)
 {
-	struct shash_desc *desc = crypto_hash_ctx(tfm);
+	struct shash_desc **descp = crypto_hash_ctx(tfm);
+	struct shash_desc *desc = *descp;
 
 	return crypto_shash_setkey(desc->tfm, key, keylen);
 }
 
 static int shash_compat_init(struct hash_desc *hdesc)
 {
-	struct shash_desc *desc = crypto_hash_ctx(hdesc->tfm);
+	struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
+	struct shash_desc *desc = *descp;
 
 	desc->flags = hdesc->flags;
 
@@ -321,7 +380,8 @@ static int shash_compat_init(struct hash_desc *hdesc)
 static int shash_compat_update(struct hash_desc *hdesc, struct scatterlist *sg,
 			       unsigned int len)
 {
-	struct shash_desc *desc = crypto_hash_ctx(hdesc->tfm);
+	struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
+	struct shash_desc *desc = *descp;
 	struct crypto_hash_walk walk;
 	int nbytes;
 
@@ -334,7 +394,9 @@ static int shash_compat_update(struct hash_desc *hdesc, struct scatterlist *sg,
 
 static int shash_compat_final(struct hash_desc *hdesc, u8 *out)
 {
-	return crypto_shash_final(crypto_hash_ctx(hdesc->tfm), out);
+	struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
+
+	return crypto_shash_final(*descp, out);
 }
 
 static int shash_compat_digest(struct hash_desc *hdesc, struct scatterlist *sg,
@@ -344,7 +406,8 @@ static int shash_compat_digest(struct hash_desc *hdesc, struct scatterlist *sg,
 	int err;
 
 	if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
-		struct shash_desc *desc = crypto_hash_ctx(hdesc->tfm);
+		struct shash_desc **descp = crypto_hash_ctx(hdesc->tfm);
+		struct shash_desc *desc = *descp;
 		void *data;
 
 		desc->flags = hdesc->flags;
@@ -372,9 +435,11 @@ out:
 
 static void crypto_exit_shash_ops_compat(struct crypto_tfm *tfm)
 {
-	struct shash_desc *desc= crypto_tfm_ctx(tfm);
+	struct shash_desc **descp = crypto_tfm_ctx(tfm);
+	struct shash_desc *desc = *descp;
 
 	crypto_free_shash(desc->tfm);
+	kzfree(desc);
 }
 
 static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
@@ -382,8 +447,9 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
 	struct hash_tfm *crt = &tfm->crt_hash;
 	struct crypto_alg *calg = tfm->__crt_alg;
 	struct shash_alg *alg = __crypto_shash_alg(calg);
-	struct shash_desc *desc = crypto_tfm_ctx(tfm);
+	struct shash_desc **descp = crypto_tfm_ctx(tfm);
 	struct crypto_shash *shash;
+	struct shash_desc *desc;
 
 	if (!crypto_mod_get(calg))
 		return -EAGAIN;
@@ -394,6 +460,14 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
 		return PTR_ERR(shash);
 	}
 
+	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(shash),
+		       GFP_KERNEL);
+	if (!desc) {
+		crypto_free_shash(shash);
+		return -ENOMEM;
+	}
+
+	*descp = desc;
 	desc->tfm = shash;
 	tfm->exit = crypto_exit_shash_ops_compat;
 
@@ -413,8 +487,6 @@ static int crypto_init_shash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	switch (mask & CRYPTO_ALG_TYPE_MASK) {
 	case CRYPTO_ALG_TYPE_HASH_MASK:
 		return crypto_init_shash_ops_compat(tfm);
-	case CRYPTO_ALG_TYPE_AHASH_MASK:
-		return crypto_init_shash_ops_async(tfm);
 	}
 
 	return -EINVAL;
@@ -423,26 +495,23 @@ static int crypto_init_shash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 static unsigned int crypto_shash_ctxsize(struct crypto_alg *alg, u32 type,
 					 u32 mask)
 {
-	struct shash_alg *salg = __crypto_shash_alg(alg);
-
 	switch (mask & CRYPTO_ALG_TYPE_MASK) {
 	case CRYPTO_ALG_TYPE_HASH_MASK:
-		return sizeof(struct shash_desc) + salg->descsize;
-	case CRYPTO_ALG_TYPE_AHASH_MASK:
-		return sizeof(struct crypto_shash *);
+		return sizeof(struct shash_desc *);
 	}
 
 	return 0;
 }
 
-static int crypto_shash_init_tfm(struct crypto_tfm *tfm,
-				 const struct crypto_type *frontend)
+static int crypto_shash_init_tfm(struct crypto_tfm *tfm)
 {
+	struct crypto_shash *hash = __crypto_shash_cast(tfm);
+
+	hash->descsize = crypto_shash_alg(hash)->descsize;
 	return 0;
 }
 
-static unsigned int crypto_shash_extsize(struct crypto_alg *alg,
-					 const struct crypto_type *frontend)
+static unsigned int crypto_shash_extsize(struct crypto_alg *alg)
 {
 	return alg->cra_ctxsize;
 }
@@ -456,7 +525,6 @@ static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
 	seq_printf(m, "type         : shash\n");
 	seq_printf(m, "blocksize    : %u\n", alg->cra_blocksize);
 	seq_printf(m, "digestsize   : %u\n", salg->digestsize);
-	seq_printf(m, "descsize     : %u\n", salg->descsize);
 }
 
 static const struct crypto_type crypto_shash_type = {
@@ -480,18 +548,43 @@ struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_shash);
 
-int crypto_register_shash(struct shash_alg *alg)
+static int shash_prepare_alg(struct shash_alg *alg)
 {
 	struct crypto_alg *base = &alg->base;
 
 	if (alg->digestsize > PAGE_SIZE / 8 ||
-	    alg->descsize > PAGE_SIZE / 8)
+	    alg->descsize > PAGE_SIZE / 8 ||
+	    alg->statesize > PAGE_SIZE / 8)
 		return -EINVAL;
 
 	base->cra_type = &crypto_shash_type;
 	base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
 	base->cra_flags |= CRYPTO_ALG_TYPE_SHASH;
 
+	if (!alg->finup)
+		alg->finup = shash_finup_unaligned;
+	if (!alg->digest)
+		alg->digest = shash_digest_unaligned;
+	if (!alg->export) {
+		alg->export = shash_default_export;
+		alg->import = shash_default_import;
+		alg->statesize = alg->descsize;
+	}
+	if (!alg->setkey)
+		alg->setkey = shash_no_setkey;
+
+	return 0;
+}
+
+int crypto_register_shash(struct shash_alg *alg)
+{
+	struct crypto_alg *base = &alg->base;
+	int err;
+
+	err = shash_prepare_alg(alg);
+	if (err)
+		return err;
+
 	return crypto_register_alg(base);
 }
 EXPORT_SYMBOL_GPL(crypto_register_shash);
@@ -502,5 +595,44 @@ int crypto_unregister_shash(struct shash_alg *alg)
 }
 EXPORT_SYMBOL_GPL(crypto_unregister_shash);
 
+int shash_register_instance(struct crypto_template *tmpl,
+			    struct shash_instance *inst)
+{
+	int err;
+
+	err = shash_prepare_alg(&inst->alg);
+	if (err)
+		return err;
+
+	return crypto_register_instance(tmpl, shash_crypto_instance(inst));
+}
+EXPORT_SYMBOL_GPL(shash_register_instance);
+
+void shash_free_instance(struct crypto_instance *inst)
+{
+	crypto_drop_spawn(crypto_instance_ctx(inst));
+	kfree(shash_instance(inst));
+}
+EXPORT_SYMBOL_GPL(shash_free_instance);
+
+int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
+			    struct shash_alg *alg,
+			    struct crypto_instance *inst)
+{
+	return crypto_init_spawn2(&spawn->base, &alg->base, inst,
+				  &crypto_shash_type);
+}
+EXPORT_SYMBOL_GPL(crypto_init_shash_spawn);
+
+struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
+{
+	struct crypto_alg *alg;
+
+	alg = crypto_attr_alg2(rta, &crypto_shash_type, type, mask);
+	return IS_ERR(alg) ? ERR_CAST(alg) :
+	       container_of(alg, struct shash_alg, base);
+}
+EXPORT_SYMBOL_GPL(shash_attr_alg);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Synchronous cryptographic hash type");
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index d59ba5079d1..aa3f84ccc78 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -45,6 +45,9 @@
  */
 static unsigned int sec;
 
+static char *alg = NULL;
+static u32 type;
+static u32 mask;
 static int mode;
 static char *tvmem[TVMEMSIZE];
 
@@ -716,6 +719,10 @@ static int do_test(int m)
 		ret += tcrypt_test("hmac(rmd160)");
 		break;
 
+	case 109:
+		ret += tcrypt_test("vmac(aes)");
+		break;
+
 	case 150:
 		ret += tcrypt_test("ansi_cprng");
 		break;
@@ -885,6 +892,12 @@ static int do_test(int m)
 	return ret;
 }
 
+static int do_alg_test(const char *alg, u32 type, u32 mask)
+{
+	return crypto_has_alg(alg, type, mask ?: CRYPTO_ALG_TYPE_MASK) ?
+	       0 : -ENOENT;
+}
+
 static int __init tcrypt_mod_init(void)
 {
 	int err = -ENOMEM;
@@ -896,7 +909,11 @@ static int __init tcrypt_mod_init(void)
 			goto err_free_tv;
 	}
 
-	err = do_test(mode);
+	if (alg)
+		err = do_alg_test(alg, type, mask);
+	else
+		err = do_test(mode);
+
 	if (err) {
 		printk(KERN_ERR "tcrypt: one or more tests failed!\n");
 		goto err_free_tv;
@@ -928,6 +945,9 @@ static void __exit tcrypt_mod_fini(void) { }
 module_init(tcrypt_mod_init);
 module_exit(tcrypt_mod_fini);
 
+module_param(alg, charp, 0);
+module_param(type, uint, 0);
+module_param(mask, uint, 0);
 module_param(mode, int, 0);
 module_param(sec, uint, 0);
 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index e9e9d84293b..6d5b746637b 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -190,10 +190,6 @@ static int test_hash(struct crypto_ahash *tfm, struct hash_testvec *template,
 
 		hash_buff = xbuf[0];
 
-		ret = -EINVAL;
-		if (WARN_ON(template[i].psize > PAGE_SIZE))
-			goto out;
-
 		memcpy(hash_buff, template[i].plaintext, template[i].psize);
 		sg_init_one(&sg[0], hash_buff, template[i].psize);
 
@@ -2252,6 +2248,15 @@ static const struct alg_test_desc alg_test_descs[] = {
 			}
 		}
 	}, {
+		.alg = "vmac(aes)",
+		.test = alg_test_hash,
+		.suite = {
+			.hash = {
+				.vecs = aes_vmac128_tv_template,
+				.count = VMAC_AES_TEST_VECTORS
+			}
+		}
+	}, {
 		.alg = "wp256",
 		.test = alg_test_hash,
 		.suite = {
@@ -2348,6 +2353,7 @@ static int alg_find_test(const char *alg)
 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
 {
 	int i;
+	int j;
 	int rc;
 
 	if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
@@ -2369,14 +2375,22 @@ int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
 	}
 
 	i = alg_find_test(alg);
-	if (i < 0)
+	j = alg_find_test(driver);
+	if (i < 0 && j < 0)
 		goto notest;
 
-	if (fips_enabled && !alg_test_descs[i].fips_allowed)
+	if (fips_enabled && ((i >= 0 && !alg_test_descs[i].fips_allowed) ||
+			     (j >= 0 && !alg_test_descs[j].fips_allowed)))
 		goto non_fips_alg;
 
-	rc = alg_test_descs[i].test(alg_test_descs + i, driver,
-				      type, mask);
+	rc = 0;
+	if (i >= 0)
+		rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
+					     type, mask);
+	if (j >= 0)
+		rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
+					     type, mask);
+
 test_done:
 	if (fips_enabled && rc)
 		panic("%s: %s alg self test failed in fips mode!\n", driver, alg);
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 69316228fc1..9963b18983a 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -1654,6 +1654,22 @@ static struct hash_testvec aes_xcbc128_tv_template[] = {
 	}
 };
 
+#define VMAC_AES_TEST_VECTORS	1
+static char vmac_string[128] = {'\x01', '\x01', '\x01', '\x01',
+				'\x02', '\x03', '\x02', '\x02',
+				'\x02', '\x04', '\x01', '\x07',
+				'\x04', '\x01', '\x04', '\x03',};
+static struct hash_testvec aes_vmac128_tv_template[] = {
+	{
+		.key    = "\x00\x01\x02\x03\x04\x05\x06\x07"
+			  "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
+		.plaintext = vmac_string,
+		.digest = "\xcb\xd7\x8a\xfd\xb7\x33\x79\xe7",
+		.psize  = 128,
+		.ksize  = 16,
+	},
+};
+
 /*
  * SHA384 HMAC test vectors from RFC4231
  */
diff --git a/crypto/vmac.c b/crypto/vmac.c
new file mode 100644
index 00000000000..0a9468e575d
--- /dev/null
+++ b/crypto/vmac.c
@@ -0,0 +1,678 @@
+/*
+ * Modified to interface to the Linux kernel
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+/* --------------------------------------------------------------------------
+ * VMAC and VHASH Implementation by Ted Krovetz (tdk@acm.org) and Wei Dai.
+ * This implementation is herby placed in the public domain.
+ * The authors offers no warranty. Use at your own risk.
+ * Please send bug reports to the authors.
+ * Last modified: 17 APR 08, 1700 PDT
+ * ----------------------------------------------------------------------- */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/crypto.h>
+#include <linux/scatterlist.h>
+#include <asm/byteorder.h>
+#include <crypto/scatterwalk.h>
+#include <crypto/vmac.h>
+#include <crypto/internal/hash.h>
+
+/*
+ * Constants and masks
+ */
+#define UINT64_C(x) x##ULL
+const u64 p64   = UINT64_C(0xfffffffffffffeff);  /* 2^64 - 257 prime  */
+const u64 m62   = UINT64_C(0x3fffffffffffffff);  /* 62-bit mask       */
+const u64 m63   = UINT64_C(0x7fffffffffffffff);  /* 63-bit mask       */
+const u64 m64   = UINT64_C(0xffffffffffffffff);  /* 64-bit mask       */
+const u64 mpoly = UINT64_C(0x1fffffff1fffffff);  /* Poly key mask     */
+
+#ifdef __LITTLE_ENDIAN
+#define INDEX_HIGH 1
+#define INDEX_LOW 0
+#else
+#define INDEX_HIGH 0
+#define INDEX_LOW 1
+#endif
+
+/*
+ * The following routines are used in this implementation. They are
+ * written via macros to simulate zero-overhead call-by-reference.
+ *
+ * MUL64: 64x64->128-bit multiplication
+ * PMUL64: assumes top bits cleared on inputs
+ * ADD128: 128x128->128-bit addition
+ */
+
+#define ADD128(rh, rl, ih, il)						\
+	do {								\
+		u64 _il = (il);						\
+		(rl) += (_il);						\
+		if ((rl) < (_il))					\
+			(rh)++;						\
+		(rh) += (ih);						\
+	} while (0)
+
+#define MUL32(i1, i2)	((u64)(u32)(i1)*(u32)(i2))
+
+#define PMUL64(rh, rl, i1, i2)	/* Assumes m doesn't overflow */	\
+	do {								\
+		u64 _i1 = (i1), _i2 = (i2);				\
+		u64 m = MUL32(_i1, _i2>>32) + MUL32(_i1>>32, _i2);	\
+		rh = MUL32(_i1>>32, _i2>>32);				\
+		rl = MUL32(_i1, _i2);					\
+		ADD128(rh, rl, (m >> 32), (m << 32));			\
+	} while (0)
+
+#define MUL64(rh, rl, i1, i2)						\
+	do {								\
+		u64 _i1 = (i1), _i2 = (i2);				\
+		u64 m1 = MUL32(_i1, _i2>>32);				\
+		u64 m2 = MUL32(_i1>>32, _i2);				\
+		rh = MUL32(_i1>>32, _i2>>32);				\
+		rl = MUL32(_i1, _i2);					\
+		ADD128(rh, rl, (m1 >> 32), (m1 << 32));			\
+		ADD128(rh, rl, (m2 >> 32), (m2 << 32));			\
+	} while (0)
+
+/*
+ * For highest performance the L1 NH and L2 polynomial hashes should be
+ * carefully implemented to take advantage of one's target architechture.
+ * Here these two hash functions are defined multiple time; once for
+ * 64-bit architectures, once for 32-bit SSE2 architectures, and once
+ * for the rest (32-bit) architectures.
+ * For each, nh_16 *must* be defined (works on multiples of 16 bytes).
+ * Optionally, nh_vmac_nhbytes can be defined (for multiples of
+ * VMAC_NHBYTES), and nh_16_2 and nh_vmac_nhbytes_2 (versions that do two
+ * NH computations at once).
+ */
+
+#ifdef CONFIG_64BIT
+
+#define nh_16(mp, kp, nw, rh, rl)					\
+	do {								\
+		int i; u64 th, tl;					\
+		rh = rl = 0;						\
+		for (i = 0; i < nw; i += 2) {				\
+			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
+				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			ADD128(rh, rl, th, tl);				\
+		}							\
+	} while (0)
+
+#define nh_16_2(mp, kp, nw, rh, rl, rh1, rl1)				\
+	do {								\
+		int i; u64 th, tl;					\
+		rh1 = rl1 = rh = rl = 0;				\
+		for (i = 0; i < nw; i += 2) {				\
+			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
+				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i+2],	\
+				le64_to_cpup((mp)+i+1)+(kp)[i+3]);	\
+			ADD128(rh1, rl1, th, tl);			\
+		}							\
+	} while (0)
+
+#if (VMAC_NHBYTES >= 64) /* These versions do 64-bytes of message at a time */
+#define nh_vmac_nhbytes(mp, kp, nw, rh, rl)				\
+	do {								\
+		int i; u64 th, tl;					\
+		rh = rl = 0;						\
+		for (i = 0; i < nw; i += 8) {				\
+			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
+				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+2],	\
+				le64_to_cpup((mp)+i+3)+(kp)[i+3]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+4],	\
+				le64_to_cpup((mp)+i+5)+(kp)[i+5]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+6],	\
+				le64_to_cpup((mp)+i+7)+(kp)[i+7]);	\
+			ADD128(rh, rl, th, tl);				\
+		}							\
+	} while (0)
+
+#define nh_vmac_nhbytes_2(mp, kp, nw, rh, rl, rh1, rl1)			\
+	do {								\
+		int i; u64 th, tl;					\
+		rh1 = rl1 = rh = rl = 0;				\
+		for (i = 0; i < nw; i += 8) {				\
+			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i],	\
+				le64_to_cpup((mp)+i+1)+(kp)[i+1]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i)+(kp)[i+2],	\
+				le64_to_cpup((mp)+i+1)+(kp)[i+3]);	\
+			ADD128(rh1, rl1, th, tl);			\
+			MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+2],	\
+				le64_to_cpup((mp)+i+3)+(kp)[i+3]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i+2)+(kp)[i+4],	\
+				le64_to_cpup((mp)+i+3)+(kp)[i+5]);	\
+			ADD128(rh1, rl1, th, tl);			\
+			MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+4],	\
+				le64_to_cpup((mp)+i+5)+(kp)[i+5]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i+4)+(kp)[i+6],	\
+				le64_to_cpup((mp)+i+5)+(kp)[i+7]);	\
+			ADD128(rh1, rl1, th, tl);			\
+			MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+6],	\
+				le64_to_cpup((mp)+i+7)+(kp)[i+7]);	\
+			ADD128(rh, rl, th, tl);				\
+			MUL64(th, tl, le64_to_cpup((mp)+i+6)+(kp)[i+8],	\
+				le64_to_cpup((mp)+i+7)+(kp)[i+9]);	\
+			ADD128(rh1, rl1, th, tl);			\
+		}							\
+	} while (0)
+#endif
+
+#define poly_step(ah, al, kh, kl, mh, ml)				\
+	do {								\
+		u64 t1h, t1l, t2h, t2l, t3h, t3l, z = 0;		\
+		/* compute ab*cd, put bd into result registers */	\
+		PMUL64(t3h, t3l, al, kh);				\
+		PMUL64(t2h, t2l, ah, kl);				\
+		PMUL64(t1h, t1l, ah, 2*kh);				\
+		PMUL64(ah, al, al, kl);					\
+		/* add 2 * ac to result */				\
+		ADD128(ah, al, t1h, t1l);				\
+		/* add together ad + bc */				\
+		ADD128(t2h, t2l, t3h, t3l);				\
+		/* now (ah,al), (t2l,2*t2h) need summing */		\
+		/* first add the high registers, carrying into t2h */	\
+		ADD128(t2h, ah, z, t2l);				\
+		/* double t2h and add top bit of ah */			\
+		t2h = 2 * t2h + (ah >> 63);				\
+		ah &= m63;						\
+		/* now add the low registers */				\
+		ADD128(ah, al, mh, ml);					\
+		ADD128(ah, al, z, t2h);					\
+	} while (0)
+
+#else /* ! CONFIG_64BIT */
+
+#ifndef nh_16
+#define nh_16(mp, kp, nw, rh, rl)					\
+	do {								\
+		u64 t1, t2, m1, m2, t;					\
+		int i;							\
+		rh = rl = t = 0;					\
+		for (i = 0; i < nw; i += 2)  {				\
+			t1 = le64_to_cpup(mp+i) + kp[i];		\
+			t2 = le64_to_cpup(mp+i+1) + kp[i+1];		\
+			m2 = MUL32(t1 >> 32, t2);			\
+			m1 = MUL32(t1, t2 >> 32);			\
+			ADD128(rh, rl, MUL32(t1 >> 32, t2 >> 32),	\
+				MUL32(t1, t2));				\
+			rh += (u64)(u32)(m1 >> 32)			\
+				+ (u32)(m2 >> 32);			\
+			t += (u64)(u32)m1 + (u32)m2;			\
+		}							\
+		ADD128(rh, rl, (t >> 32), (t << 32));			\
+	} while (0)
+#endif
+
+static void poly_step_func(u64 *ahi, u64 *alo,
+			const u64 *kh, const u64 *kl,
+			const u64 *mh, const u64 *ml)
+{
+#define a0 (*(((u32 *)alo)+INDEX_LOW))
+#define a1 (*(((u32 *)alo)+INDEX_HIGH))
+#define a2 (*(((u32 *)ahi)+INDEX_LOW))
+#define a3 (*(((u32 *)ahi)+INDEX_HIGH))
+#define k0 (*(((u32 *)kl)+INDEX_LOW))
+#define k1 (*(((u32 *)kl)+INDEX_HIGH))
+#define k2 (*(((u32 *)kh)+INDEX_LOW))
+#define k3 (*(((u32 *)kh)+INDEX_HIGH))
+
+	u64 p, q, t;
+	u32 t2;
+
+	p = MUL32(a3, k3);
+	p += p;
+	p += *(u64 *)mh;
+	p += MUL32(a0, k2);
+	p += MUL32(a1, k1);
+	p += MUL32(a2, k0);
+	t = (u32)(p);
+	p >>= 32;
+	p += MUL32(a0, k3);
+	p += MUL32(a1, k2);
+	p += MUL32(a2, k1);
+	p += MUL32(a3, k0);
+	t |= ((u64)((u32)p & 0x7fffffff)) << 32;
+	p >>= 31;
+	p += (u64)(((u32 *)ml)[INDEX_LOW]);
+	p += MUL32(a0, k0);
+	q =  MUL32(a1, k3);
+	q += MUL32(a2, k2);
+	q += MUL32(a3, k1);
+	q += q;
+	p += q;
+	t2 = (u32)(p);
+	p >>= 32;
+	p += (u64)(((u32 *)ml)[INDEX_HIGH]);
+	p += MUL32(a0, k1);
+	p += MUL32(a1, k0);
+	q =  MUL32(a2, k3);
+	q += MUL32(a3, k2);
+	q += q;
+	p += q;
+	*(u64 *)(alo) = (p << 32) | t2;
+	p >>= 32;
+	*(u64 *)(ahi) = p + t;
+
+#undef a0
+#undef a1
+#undef a2
+#undef a3
+#undef k0
+#undef k1
+#undef k2
+#undef k3
+}
+
+#define poly_step(ah, al, kh, kl, mh, ml)				\
+	poly_step_func(&(ah), &(al), &(kh), &(kl), &(mh), &(ml))
+
+#endif  /* end of specialized NH and poly definitions */
+
+/* At least nh_16 is defined. Defined others as needed here */
+#ifndef nh_16_2
+#define nh_16_2(mp, kp, nw, rh, rl, rh2, rl2)				\
+	do { 								\
+		nh_16(mp, kp, nw, rh, rl);				\
+		nh_16(mp, ((kp)+2), nw, rh2, rl2);			\
+	} while (0)
+#endif
+#ifndef nh_vmac_nhbytes
+#define nh_vmac_nhbytes(mp, kp, nw, rh, rl)				\
+	nh_16(mp, kp, nw, rh, rl)
+#endif
+#ifndef nh_vmac_nhbytes_2
+#define nh_vmac_nhbytes_2(mp, kp, nw, rh, rl, rh2, rl2)			\
+	do {								\
+		nh_vmac_nhbytes(mp, kp, nw, rh, rl);			\
+		nh_vmac_nhbytes(mp, ((kp)+2), nw, rh2, rl2);		\
+	} while (0)
+#endif
+
+static void vhash_abort(struct vmac_ctx *ctx)
+{
+	ctx->polytmp[0] = ctx->polykey[0] ;
+	ctx->polytmp[1] = ctx->polykey[1] ;
+	ctx->first_block_processed = 0;
+}
+
+static u64 l3hash(u64 p1, u64 p2,
+			u64 k1, u64 k2, u64 len)
+{
+	u64 rh, rl, t, z = 0;
+
+	/* fully reduce (p1,p2)+(len,0) mod p127 */
+	t = p1 >> 63;
+	p1 &= m63;
+	ADD128(p1, p2, len, t);
+	/* At this point, (p1,p2) is at most 2^127+(len<<64) */
+	t = (p1 > m63) + ((p1 == m63) && (p2 == m64));
+	ADD128(p1, p2, z, t);
+	p1 &= m63;
+
+	/* compute (p1,p2)/(2^64-2^32) and (p1,p2)%(2^64-2^32) */
+	t = p1 + (p2 >> 32);
+	t += (t >> 32);
+	t += (u32)t > 0xfffffffeu;
+	p1 += (t >> 32);
+	p2 += (p1 << 32);
+
+	/* compute (p1+k1)%p64 and (p2+k2)%p64 */
+	p1 += k1;
+	p1 += (0 - (p1 < k1)) & 257;
+	p2 += k2;
+	p2 += (0 - (p2 < k2)) & 257;
+
+	/* compute (p1+k1)*(p2+k2)%p64 */
+	MUL64(rh, rl, p1, p2);
+	t = rh >> 56;
+	ADD128(t, rl, z, rh);
+	rh <<= 8;
+	ADD128(t, rl, z, rh);
+	t += t << 8;
+	rl += t;
+	rl += (0 - (rl < t)) & 257;
+	rl += (0 - (rl > p64-1)) & 257;
+	return rl;
+}
+
+static void vhash_update(const unsigned char *m,
+			unsigned int mbytes, /* Pos multiple of VMAC_NHBYTES */
+			struct vmac_ctx *ctx)
+{
+	u64 rh, rl, *mptr;
+	const u64 *kptr = (u64 *)ctx->nhkey;
+	int i;
+	u64 ch, cl;
+	u64 pkh = ctx->polykey[0];
+	u64 pkl = ctx->polykey[1];
+
+	mptr = (u64 *)m;
+	i = mbytes / VMAC_NHBYTES;  /* Must be non-zero */
+
+	ch = ctx->polytmp[0];
+	cl = ctx->polytmp[1];
+
+	if (!ctx->first_block_processed) {
+		ctx->first_block_processed = 1;
+		nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
+		rh &= m62;
+		ADD128(ch, cl, rh, rl);
+		mptr += (VMAC_NHBYTES/sizeof(u64));
+		i--;
+	}
+
+	while (i--) {
+		nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
+		rh &= m62;
+		poly_step(ch, cl, pkh, pkl, rh, rl);
+		mptr += (VMAC_NHBYTES/sizeof(u64));
+	}
+
+	ctx->polytmp[0] = ch;
+	ctx->polytmp[1] = cl;
+}
+
+static u64 vhash(unsigned char m[], unsigned int mbytes,
+			u64 *tagl, struct vmac_ctx *ctx)
+{
+	u64 rh, rl, *mptr;
+	const u64 *kptr = (u64 *)ctx->nhkey;
+	int i, remaining;
+	u64 ch, cl;
+	u64 pkh = ctx->polykey[0];
+	u64 pkl = ctx->polykey[1];
+
+	mptr = (u64 *)m;
+	i = mbytes / VMAC_NHBYTES;
+	remaining = mbytes % VMAC_NHBYTES;
+
+	if (ctx->first_block_processed) {
+		ch = ctx->polytmp[0];
+		cl = ctx->polytmp[1];
+	} else if (i) {
+		nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, ch, cl);
+		ch &= m62;
+		ADD128(ch, cl, pkh, pkl);
+		mptr += (VMAC_NHBYTES/sizeof(u64));
+		i--;
+	} else if (remaining) {
+		nh_16(mptr, kptr, 2*((remaining+15)/16), ch, cl);
+		ch &= m62;
+		ADD128(ch, cl, pkh, pkl);
+		mptr += (VMAC_NHBYTES/sizeof(u64));
+		goto do_l3;
+	} else {/* Empty String */
+		ch = pkh; cl = pkl;
+		goto do_l3;
+	}
+
+	while (i--) {
+		nh_vmac_nhbytes(mptr, kptr, VMAC_NHBYTES/8, rh, rl);
+		rh &= m62;
+		poly_step(ch, cl, pkh, pkl, rh, rl);
+		mptr += (VMAC_NHBYTES/sizeof(u64));
+	}
+	if (remaining) {
+		nh_16(mptr, kptr, 2*((remaining+15)/16), rh, rl);
+		rh &= m62;
+		poly_step(ch, cl, pkh, pkl, rh, rl);
+	}
+
+do_l3:
+	vhash_abort(ctx);
+	remaining *= 8;
+	return l3hash(ch, cl, ctx->l3key[0], ctx->l3key[1], remaining);
+}
+
+static u64 vmac(unsigned char m[], unsigned int mbytes,
+			unsigned char n[16], u64 *tagl,
+			struct vmac_ctx_t *ctx)
+{
+	u64 *in_n, *out_p;
+	u64 p, h;
+	int i;
+
+	in_n = ctx->__vmac_ctx.cached_nonce;
+	out_p = ctx->__vmac_ctx.cached_aes;
+
+	i = n[15] & 1;
+	if ((*(u64 *)(n+8) != in_n[1]) || (*(u64 *)(n) != in_n[0])) {
+		in_n[0] = *(u64 *)(n);
+		in_n[1] = *(u64 *)(n+8);
+		((unsigned char *)in_n)[15] &= 0xFE;
+		crypto_cipher_encrypt_one(ctx->child,
+			(unsigned char *)out_p, (unsigned char *)in_n);
+
+		((unsigned char *)in_n)[15] |= (unsigned char)(1-i);
+	}
+	p = be64_to_cpup(out_p + i);
+	h = vhash(m, mbytes, (u64 *)0, &ctx->__vmac_ctx);
+	return p + h;
+}
+
+static int vmac_set_key(unsigned char user_key[], struct vmac_ctx_t *ctx)
+{
+	u64 in[2] = {0}, out[2];
+	unsigned i;
+	int err = 0;
+
+	err = crypto_cipher_setkey(ctx->child, user_key, VMAC_KEY_LEN);
+	if (err)
+		return err;
+
+	/* Fill nh key */
+	((unsigned char *)in)[0] = 0x80;
+	for (i = 0; i < sizeof(ctx->__vmac_ctx.nhkey)/8; i += 2) {
+		crypto_cipher_encrypt_one(ctx->child,
+			(unsigned char *)out, (unsigned char *)in);
+		ctx->__vmac_ctx.nhkey[i] = be64_to_cpup(out);
+		ctx->__vmac_ctx.nhkey[i+1] = be64_to_cpup(out+1);
+		((unsigned char *)in)[15] += 1;
+	}
+
+	/* Fill poly key */
+	((unsigned char *)in)[0] = 0xC0;
+	in[1] = 0;
+	for (i = 0; i < sizeof(ctx->__vmac_ctx.polykey)/8; i += 2) {
+		crypto_cipher_encrypt_one(ctx->child,
+			(unsigned char *)out, (unsigned char *)in);
+		ctx->__vmac_ctx.polytmp[i] =
+			ctx->__vmac_ctx.polykey[i] =
+				be64_to_cpup(out) & mpoly;
+		ctx->__vmac_ctx.polytmp[i+1] =
+			ctx->__vmac_ctx.polykey[i+1] =
+				be64_to_cpup(out+1) & mpoly;
+		((unsigned char *)in)[15] += 1;
+	}
+
+	/* Fill ip key */
+	((unsigned char *)in)[0] = 0xE0;
+	in[1] = 0;
+	for (i = 0; i < sizeof(ctx->__vmac_ctx.l3key)/8; i += 2) {
+		do {
+			crypto_cipher_encrypt_one(ctx->child,
+				(unsigned char *)out, (unsigned char *)in);
+			ctx->__vmac_ctx.l3key[i] = be64_to_cpup(out);
+			ctx->__vmac_ctx.l3key[i+1] = be64_to_cpup(out+1);
+			((unsigned char *)in)[15] += 1;
+		} while (ctx->__vmac_ctx.l3key[i] >= p64
+			|| ctx->__vmac_ctx.l3key[i+1] >= p64);
+	}
+
+	/* Invalidate nonce/aes cache and reset other elements */
+	ctx->__vmac_ctx.cached_nonce[0] = (u64)-1; /* Ensure illegal nonce */
+	ctx->__vmac_ctx.cached_nonce[1] = (u64)0;  /* Ensure illegal nonce */
+	ctx->__vmac_ctx.first_block_processed = 0;
+
+	return err;
+}
+
+static int vmac_setkey(struct crypto_shash *parent,
+		const u8 *key, unsigned int keylen)
+{
+	struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
+
+	if (keylen != VMAC_KEY_LEN) {
+		crypto_shash_set_flags(parent, CRYPTO_TFM_RES_BAD_KEY_LEN);
+		return -EINVAL;
+	}
+
+	return vmac_set_key((u8 *)key, ctx);
+}
+
+static int vmac_init(struct shash_desc *pdesc)
+{
+	struct crypto_shash *parent = pdesc->tfm;
+	struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
+
+	memset(&ctx->__vmac_ctx, 0, sizeof(struct vmac_ctx));
+	return 0;
+}
+
+static int vmac_update(struct shash_desc *pdesc, const u8 *p,
+		unsigned int len)
+{
+	struct crypto_shash *parent = pdesc->tfm;
+	struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
+
+	vhash_update(p, len, &ctx->__vmac_ctx);
+
+	return 0;
+}
+
+static int vmac_final(struct shash_desc *pdesc, u8 *out)
+{
+	struct crypto_shash *parent = pdesc->tfm;
+	struct vmac_ctx_t *ctx = crypto_shash_ctx(parent);
+	vmac_t mac;
+	u8 nonce[16] = {};
+
+	mac = vmac(NULL, 0, nonce, NULL, ctx);
+	memcpy(out, &mac, sizeof(vmac_t));
+	memset(&mac, 0, sizeof(vmac_t));
+	memset(&ctx->__vmac_ctx, 0, sizeof(struct vmac_ctx));
+	return 0;
+}
+
+static int vmac_init_tfm(struct crypto_tfm *tfm)
+{
+	struct crypto_cipher *cipher;
+	struct crypto_instance *inst = (void *)tfm->__crt_alg;
+	struct crypto_spawn *spawn = crypto_instance_ctx(inst);
+	struct vmac_ctx_t *ctx = crypto_tfm_ctx(tfm);
+
+	cipher = crypto_spawn_cipher(spawn);
+	if (IS_ERR(cipher))
+		return PTR_ERR(cipher);
+
+	ctx->child = cipher;
+	return 0;
+}
+
+static void vmac_exit_tfm(struct crypto_tfm *tfm)
+{
+	struct vmac_ctx_t *ctx = crypto_tfm_ctx(tfm);
+	crypto_free_cipher(ctx->child);
+}
+
+static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb)
+{
+	struct shash_instance *inst;
+	struct crypto_alg *alg;
+	int err;
+
+	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH);
+	if (err)
+		return err;
+
+	alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER,
+			CRYPTO_ALG_TYPE_MASK);
+	if (IS_ERR(alg))
+		return PTR_ERR(alg);
+
+	inst = shash_alloc_instance("vmac", alg);
+	err = PTR_ERR(inst);
+	if (IS_ERR(inst))
+		goto out_put_alg;
+
+	err = crypto_init_spawn(shash_instance_ctx(inst), alg,
+			shash_crypto_instance(inst),
+			CRYPTO_ALG_TYPE_MASK);
+	if (err)
+		goto out_free_inst;
+
+	inst->alg.base.cra_priority = alg->cra_priority;
+	inst->alg.base.cra_blocksize = alg->cra_blocksize;
+	inst->alg.base.cra_alignmask = alg->cra_alignmask;
+
+	inst->alg.digestsize = sizeof(vmac_t);
+	inst->alg.base.cra_ctxsize = sizeof(struct vmac_ctx_t);
+	inst->alg.base.cra_init = vmac_init_tfm;
+	inst->alg.base.cra_exit = vmac_exit_tfm;
+
+	inst->alg.init = vmac_init;
+	inst->alg.update = vmac_update;
+	inst->alg.final = vmac_final;
+	inst->alg.setkey = vmac_setkey;
+
+	err = shash_register_instance(tmpl, inst);
+	if (err) {
+out_free_inst:
+		shash_free_instance(shash_crypto_instance(inst));
+	}
+
+out_put_alg:
+	crypto_mod_put(alg);
+	return err;
+}
+
+static struct crypto_template vmac_tmpl = {
+	.name = "vmac",
+	.create = vmac_create,
+	.free = shash_free_instance,
+	.module = THIS_MODULE,
+};
+
+static int __init vmac_module_init(void)
+{
+	return crypto_register_template(&vmac_tmpl);
+}
+
+static void __exit vmac_module_exit(void)
+{
+	crypto_unregister_template(&vmac_tmpl);
+}
+
+module_init(vmac_module_init);
+module_exit(vmac_module_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("VMAC hash algorithm");
+
diff --git a/crypto/xcbc.c b/crypto/xcbc.c
index b63b633e549..bb7b67fba34 100644
--- a/crypto/xcbc.c
+++ b/crypto/xcbc.c
@@ -19,211 +19,142 @@
  * 	Kazunori Miyazawa <miyazawa@linux-ipv6.org>
  */
 
-#include <crypto/scatterwalk.h>
-#include <linux/crypto.h>
+#include <crypto/internal/hash.h>
 #include <linux/err.h>
-#include <linux/hardirq.h>
 #include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/rtnetlink.h>
-#include <linux/slab.h>
-#include <linux/scatterlist.h>
 
 static u_int32_t ks[12] = {0x01010101, 0x01010101, 0x01010101, 0x01010101,
 			   0x02020202, 0x02020202, 0x02020202, 0x02020202,
 			   0x03030303, 0x03030303, 0x03030303, 0x03030303};
+
 /*
  * +------------------------
  * | <parent tfm>
  * +------------------------
- * | crypto_xcbc_ctx
+ * | xcbc_tfm_ctx
  * +------------------------
- * | odds (block size)
+ * | consts (block size * 2)
  * +------------------------
- * | prev (block size)
+ */
+struct xcbc_tfm_ctx {
+	struct crypto_cipher *child;
+	u8 ctx[];
+};
+
+/*
  * +------------------------
- * | key (block size)
+ * | <shash desc>
  * +------------------------
- * | consts (block size * 3)
+ * | xcbc_desc_ctx
+ * +------------------------
+ * | odds (block size)
+ * +------------------------
+ * | prev (block size)
  * +------------------------
  */
-struct crypto_xcbc_ctx {
-	struct crypto_cipher *child;
-	u8 *odds;
-	u8 *prev;
-	u8 *key;
-	u8 *consts;
-	void (*xor)(u8 *a, const u8 *b, unsigned int bs);
-	unsigned int keylen;
+struct xcbc_desc_ctx {
 	unsigned int len;
+	u8 ctx[];
 };
 
-static void xor_128(u8 *a, const u8 *b, unsigned int bs)
-{
-	((u32 *)a)[0] ^= ((u32 *)b)[0];
-	((u32 *)a)[1] ^= ((u32 *)b)[1];
-	((u32 *)a)[2] ^= ((u32 *)b)[2];
-	((u32 *)a)[3] ^= ((u32 *)b)[3];
-}
-
-static int _crypto_xcbc_digest_setkey(struct crypto_hash *parent,
-				      struct crypto_xcbc_ctx *ctx)
+static int crypto_xcbc_digest_setkey(struct crypto_shash *parent,
+				     const u8 *inkey, unsigned int keylen)
 {
-	int bs = crypto_hash_blocksize(parent);
+	unsigned long alignmask = crypto_shash_alignmask(parent);
+	struct xcbc_tfm_ctx *ctx = crypto_shash_ctx(parent);
+	int bs = crypto_shash_blocksize(parent);
+	u8 *consts = PTR_ALIGN(&ctx->ctx[0], alignmask + 1);
 	int err = 0;
 	u8 key1[bs];
 
-	if ((err = crypto_cipher_setkey(ctx->child, ctx->key, ctx->keylen)))
-	    return err;
+	if ((err = crypto_cipher_setkey(ctx->child, inkey, keylen)))
+		return err;
 
-	crypto_cipher_encrypt_one(ctx->child, key1, ctx->consts);
+	crypto_cipher_encrypt_one(ctx->child, consts, (u8 *)ks + bs);
+	crypto_cipher_encrypt_one(ctx->child, consts + bs, (u8 *)ks + bs * 2);
+	crypto_cipher_encrypt_one(ctx->child, key1, (u8 *)ks);
 
 	return crypto_cipher_setkey(ctx->child, key1, bs);
-}
-
-static int crypto_xcbc_digest_setkey(struct crypto_hash *parent,
-				     const u8 *inkey, unsigned int keylen)
-{
-	struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent);
-
-	if (keylen != crypto_cipher_blocksize(ctx->child))
-		return -EINVAL;
 
-	ctx->keylen = keylen;
-	memcpy(ctx->key, inkey, keylen);
-	ctx->consts = (u8*)ks;
-
-	return _crypto_xcbc_digest_setkey(parent, ctx);
 }
 
-static int crypto_xcbc_digest_init(struct hash_desc *pdesc)
+static int crypto_xcbc_digest_init(struct shash_desc *pdesc)
 {
-	struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(pdesc->tfm);
-	int bs = crypto_hash_blocksize(pdesc->tfm);
+	unsigned long alignmask = crypto_shash_alignmask(pdesc->tfm);
+	struct xcbc_desc_ctx *ctx = shash_desc_ctx(pdesc);
+	int bs = crypto_shash_blocksize(pdesc->tfm);
+	u8 *prev = PTR_ALIGN(&ctx->ctx[0], alignmask + 1) + bs;
 
 	ctx->len = 0;
-	memset(ctx->odds, 0, bs);
-	memset(ctx->prev, 0, bs);
+	memset(prev, 0, bs);
 
 	return 0;
 }
 
-static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
-				      struct scatterlist *sg,
-				      unsigned int nbytes)
+static int crypto_xcbc_digest_update(struct shash_desc *pdesc, const u8 *p,
+				     unsigned int len)
 {
-	struct crypto_hash *parent = pdesc->tfm;
-	struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent);
-	struct crypto_cipher *tfm = ctx->child;
-	int bs = crypto_hash_blocksize(parent);
-
-	for (;;) {
-		struct page *pg = sg_page(sg);
-		unsigned int offset = sg->offset;
-		unsigned int slen = sg->length;
-
-		if (unlikely(slen > nbytes))
-			slen = nbytes;
-
-		nbytes -= slen;
-
-		while (slen > 0) {
-			unsigned int len = min(slen, ((unsigned int)(PAGE_SIZE)) - offset);
-			char *p = crypto_kmap(pg, 0) + offset;
-
-			/* checking the data can fill the block */
-			if ((ctx->len + len) <= bs) {
-				memcpy(ctx->odds + ctx->len, p, len);
-				ctx->len += len;
-				slen -= len;
-
-				/* checking the rest of the page */
-				if (len + offset >= PAGE_SIZE) {
-					offset = 0;
-					pg++;
-				} else
-					offset += len;
-
-				crypto_kunmap(p, 0);
-				crypto_yield(pdesc->flags);
-				continue;
-			}
-
-			/* filling odds with new data and encrypting it */
-			memcpy(ctx->odds + ctx->len, p, bs - ctx->len);
-			len -= bs - ctx->len;
-			p += bs - ctx->len;
-
-			ctx->xor(ctx->prev, ctx->odds, bs);
-			crypto_cipher_encrypt_one(tfm, ctx->prev, ctx->prev);
-
-			/* clearing the length */
-			ctx->len = 0;
-
-			/* encrypting the rest of data */
-			while (len > bs) {
-				ctx->xor(ctx->prev, p, bs);
-				crypto_cipher_encrypt_one(tfm, ctx->prev,
-							  ctx->prev);
-				p += bs;
-				len -= bs;
-			}
-
-			/* keeping the surplus of blocksize */
-			if (len) {
-				memcpy(ctx->odds, p, len);
-				ctx->len = len;
-			}
-			crypto_kunmap(p, 0);
-			crypto_yield(pdesc->flags);
-			slen -= min(slen, ((unsigned int)(PAGE_SIZE)) - offset);
-			offset = 0;
-			pg++;
-		}
-
-		if (!nbytes)
-			break;
-		sg = scatterwalk_sg_next(sg);
+	struct crypto_shash *parent = pdesc->tfm;
+	unsigned long alignmask = crypto_shash_alignmask(parent);
+	struct xcbc_tfm_ctx *tctx = crypto_shash_ctx(parent);
+	struct xcbc_desc_ctx *ctx = shash_desc_ctx(pdesc);
+	struct crypto_cipher *tfm = tctx->child;
+	int bs = crypto_shash_blocksize(parent);
+	u8 *odds = PTR_ALIGN(&ctx->ctx[0], alignmask + 1);
+	u8 *prev = odds + bs;
+
+	/* checking the data can fill the block */
+	if ((ctx->len + len) <= bs) {
+		memcpy(odds + ctx->len, p, len);
+		ctx->len += len;
+		return 0;
 	}
 
-	return 0;
-}
+	/* filling odds with new data and encrypting it */
+	memcpy(odds + ctx->len, p, bs - ctx->len);
+	len -= bs - ctx->len;
+	p += bs - ctx->len;
 
-static int crypto_xcbc_digest_update(struct hash_desc *pdesc,
-				     struct scatterlist *sg,
-				     unsigned int nbytes)
-{
-	if (WARN_ON_ONCE(in_irq()))
-		return -EDEADLK;
-	return crypto_xcbc_digest_update2(pdesc, sg, nbytes);
-}
+	crypto_xor(prev, odds, bs);
+	crypto_cipher_encrypt_one(tfm, prev, prev);
 
-static int crypto_xcbc_digest_final(struct hash_desc *pdesc, u8 *out)
-{
-	struct crypto_hash *parent = pdesc->tfm;
-	struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent);
-	struct crypto_cipher *tfm = ctx->child;
-	int bs = crypto_hash_blocksize(parent);
-	int err = 0;
-
-	if (ctx->len == bs) {
-		u8 key2[bs];
+	/* clearing the length */
+	ctx->len = 0;
 
-		if ((err = crypto_cipher_setkey(tfm, ctx->key, ctx->keylen)) != 0)
-			return err;
+	/* encrypting the rest of data */
+	while (len > bs) {
+		crypto_xor(prev, p, bs);
+		crypto_cipher_encrypt_one(tfm, prev, prev);
+		p += bs;
+		len -= bs;
+	}
 
-		crypto_cipher_encrypt_one(tfm, key2,
-					  (u8 *)(ctx->consts + bs));
+	/* keeping the surplus of blocksize */
+	if (len) {
+		memcpy(odds, p, len);
+		ctx->len = len;
+	}
 
-		ctx->xor(ctx->prev, ctx->odds, bs);
-		ctx->xor(ctx->prev, key2, bs);
-		_crypto_xcbc_digest_setkey(parent, ctx);
+	return 0;
+}
 
-		crypto_cipher_encrypt_one(tfm, out, ctx->prev);
-	} else {
-		u8 key3[bs];
+static int crypto_xcbc_digest_final(struct shash_desc *pdesc, u8 *out)
+{
+	struct crypto_shash *parent = pdesc->tfm;
+	unsigned long alignmask = crypto_shash_alignmask(parent);
+	struct xcbc_tfm_ctx *tctx = crypto_shash_ctx(parent);
+	struct xcbc_desc_ctx *ctx = shash_desc_ctx(pdesc);
+	struct crypto_cipher *tfm = tctx->child;
+	int bs = crypto_shash_blocksize(parent);
+	u8 *consts = PTR_ALIGN(&tctx->ctx[0], alignmask + 1);
+	u8 *odds = PTR_ALIGN(&ctx->ctx[0], alignmask + 1);
+	u8 *prev = odds + bs;
+	unsigned int offset = 0;
+
+	if (ctx->len != bs) {
 		unsigned int rlen;
-		u8 *p = ctx->odds + ctx->len;
+		u8 *p = odds + ctx->len;
+
 		*p = 0x80;
 		p++;
 
@@ -231,32 +162,15 @@ static int crypto_xcbc_digest_final(struct hash_desc *pdesc, u8 *out)
 		if (rlen)
 			memset(p, 0, rlen);
 
-		if ((err = crypto_cipher_setkey(tfm, ctx->key, ctx->keylen)) != 0)
-			return err;
-
-		crypto_cipher_encrypt_one(tfm, key3,
-					  (u8 *)(ctx->consts + bs * 2));
-
-		ctx->xor(ctx->prev, ctx->odds, bs);
-		ctx->xor(ctx->prev, key3, bs);
-
-		_crypto_xcbc_digest_setkey(parent, ctx);
-
-		crypto_cipher_encrypt_one(tfm, out, ctx->prev);
+		offset += bs;
 	}
 
-	return 0;
-}
+	crypto_xor(prev, odds, bs);
+	crypto_xor(prev, consts + offset, bs);
 
-static int crypto_xcbc_digest(struct hash_desc *pdesc,
-		  struct scatterlist *sg, unsigned int nbytes, u8 *out)
-{
-	if (WARN_ON_ONCE(in_irq()))
-		return -EDEADLK;
+	crypto_cipher_encrypt_one(tfm, out, prev);
 
-	crypto_xcbc_digest_init(pdesc);
-	crypto_xcbc_digest_update2(pdesc, sg, nbytes);
-	return crypto_xcbc_digest_final(pdesc, out);
+	return 0;
 }
 
 static int xcbc_init_tfm(struct crypto_tfm *tfm)
@@ -264,95 +178,95 @@ static int xcbc_init_tfm(struct crypto_tfm *tfm)
 	struct crypto_cipher *cipher;
 	struct crypto_instance *inst = (void *)tfm->__crt_alg;
 	struct crypto_spawn *spawn = crypto_instance_ctx(inst);
-	struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(__crypto_hash_cast(tfm));
-	int bs = crypto_hash_blocksize(__crypto_hash_cast(tfm));
+	struct xcbc_tfm_ctx *ctx = crypto_tfm_ctx(tfm);
 
 	cipher = crypto_spawn_cipher(spawn);
 	if (IS_ERR(cipher))
 		return PTR_ERR(cipher);
 
-	switch(bs) {
-	case 16:
-		ctx->xor = xor_128;
-		break;
-	default:
-		return -EINVAL;
-	}
-
 	ctx->child = cipher;
-	ctx->odds = (u8*)(ctx+1);
-	ctx->prev = ctx->odds + bs;
-	ctx->key = ctx->prev + bs;
 
 	return 0;
 };
 
 static void xcbc_exit_tfm(struct crypto_tfm *tfm)
 {
-	struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(__crypto_hash_cast(tfm));
+	struct xcbc_tfm_ctx *ctx = crypto_tfm_ctx(tfm);
 	crypto_free_cipher(ctx->child);
 }
 
-static struct crypto_instance *xcbc_alloc(struct rtattr **tb)
+static int xcbc_create(struct crypto_template *tmpl, struct rtattr **tb)
 {
-	struct crypto_instance *inst;
+	struct shash_instance *inst;
 	struct crypto_alg *alg;
+	unsigned long alignmask;
 	int err;
 
-	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_HASH);
+	err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH);
 	if (err)
-		return ERR_PTR(err);
+		return err;
 
 	alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER,
 				  CRYPTO_ALG_TYPE_MASK);
 	if (IS_ERR(alg))
-		return ERR_CAST(alg);
+		return PTR_ERR(alg);
 
 	switch(alg->cra_blocksize) {
 	case 16:
 		break;
 	default:
-		inst = ERR_PTR(-EINVAL);
 		goto out_put_alg;
 	}
 
-	inst = crypto_alloc_instance("xcbc", alg);
+	inst = shash_alloc_instance("xcbc", alg);
+	err = PTR_ERR(inst);
 	if (IS_ERR(inst))
 		goto out_put_alg;
 
-	inst->alg.cra_flags = CRYPTO_ALG_TYPE_HASH;
-	inst->alg.cra_priority = alg->cra_priority;
-	inst->alg.cra_blocksize = alg->cra_blocksize;
-	inst->alg.cra_alignmask = alg->cra_alignmask;
-	inst->alg.cra_type = &crypto_hash_type;
-
-	inst->alg.cra_hash.digestsize = alg->cra_blocksize;
-	inst->alg.cra_ctxsize = sizeof(struct crypto_xcbc_ctx) +
-				ALIGN(inst->alg.cra_blocksize * 3, sizeof(void *));
-	inst->alg.cra_init = xcbc_init_tfm;
-	inst->alg.cra_exit = xcbc_exit_tfm;
-
-	inst->alg.cra_hash.init = crypto_xcbc_digest_init;
-	inst->alg.cra_hash.update = crypto_xcbc_digest_update;
-	inst->alg.cra_hash.final = crypto_xcbc_digest_final;
-	inst->alg.cra_hash.digest = crypto_xcbc_digest;
-	inst->alg.cra_hash.setkey = crypto_xcbc_digest_setkey;
+	err = crypto_init_spawn(shash_instance_ctx(inst), alg,
+				shash_crypto_instance(inst),
+				CRYPTO_ALG_TYPE_MASK);
+	if (err)
+		goto out_free_inst;
+
+	alignmask = alg->cra_alignmask | 3;
+	inst->alg.base.cra_alignmask = alignmask;
+	inst->alg.base.cra_priority = alg->cra_priority;
+	inst->alg.base.cra_blocksize = alg->cra_blocksize;
+
+	inst->alg.digestsize = alg->cra_blocksize;
+	inst->alg.descsize = ALIGN(sizeof(struct xcbc_desc_ctx),
+				   crypto_tfm_ctx_alignment()) +
+			     (alignmask &
+			      ~(crypto_tfm_ctx_alignment() - 1)) +
+			     alg->cra_blocksize * 2;
+
+	inst->alg.base.cra_ctxsize = ALIGN(sizeof(struct xcbc_tfm_ctx),
+					   alignmask + 1) +
+				     alg->cra_blocksize * 2;
+	inst->alg.base.cra_init = xcbc_init_tfm;
+	inst->alg.base.cra_exit = xcbc_exit_tfm;
+
+	inst->alg.init = crypto_xcbc_digest_init;
+	inst->alg.update = crypto_xcbc_digest_update;
+	inst->alg.final = crypto_xcbc_digest_final;
+	inst->alg.setkey = crypto_xcbc_digest_setkey;
+
+	err = shash_register_instance(tmpl, inst);
+	if (err) {
+out_free_inst:
+		shash_free_instance(shash_crypto_instance(inst));
+	}
 
 out_put_alg:
 	crypto_mod_put(alg);
-	return inst;
-}
-
-static void xcbc_free(struct crypto_instance *inst)
-{
-	crypto_drop_spawn(crypto_instance_ctx(inst));
-	kfree(inst);
+	return err;
 }
 
 static struct crypto_template crypto_xcbc_tmpl = {
 	.name = "xcbc",
-	.alloc = xcbc_alloc,
-	.free = xcbc_free,
+	.create = xcbc_create,
+	.free = shash_free_instance,
 	.module = THIS_MODULE,
 };