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-rw-r--r--include/linux/crypto.h48
1 files changed, 44 insertions, 4 deletions
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 425824bd49f..c43dc47fdf7 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -30,15 +30,17 @@
*/
#define CRYPTO_ALG_TYPE_MASK 0x0000000f
#define CRYPTO_ALG_TYPE_CIPHER 0x00000001
-#define CRYPTO_ALG_TYPE_DIGEST 0x00000002
-#define CRYPTO_ALG_TYPE_HASH 0x00000003
+#define CRYPTO_ALG_TYPE_COMPRESS 0x00000002
+#define CRYPTO_ALG_TYPE_AEAD 0x00000003
#define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004
#define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005
#define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006
-#define CRYPTO_ALG_TYPE_COMPRESS 0x00000008
-#define CRYPTO_ALG_TYPE_AEAD 0x00000009
+#define CRYPTO_ALG_TYPE_DIGEST 0x00000008
+#define CRYPTO_ALG_TYPE_HASH 0x00000009
+#define CRYPTO_ALG_TYPE_AHASH 0x0000000a
#define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e
+#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c
#define CRYPTO_ALG_TYPE_BLKCIPHER_MASK 0x0000000c
#define CRYPTO_ALG_LARVAL 0x00000010
@@ -102,6 +104,7 @@ struct crypto_async_request;
struct crypto_aead;
struct crypto_blkcipher;
struct crypto_hash;
+struct crypto_ahash;
struct crypto_tfm;
struct crypto_type;
struct aead_givcrypt_request;
@@ -131,6 +134,16 @@ struct ablkcipher_request {
void *__ctx[] CRYPTO_MINALIGN_ATTR;
};
+struct ahash_request {
+ struct crypto_async_request base;
+
+ unsigned int nbytes;
+ struct scatterlist *src;
+ u8 *result;
+
+ void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
/**
* struct aead_request - AEAD request
* @base: Common attributes for async crypto requests
@@ -195,6 +208,17 @@ struct ablkcipher_alg {
unsigned int ivsize;
};
+struct ahash_alg {
+ int (*init)(struct ahash_request *req);
+ int (*update)(struct ahash_request *req);
+ int (*final)(struct ahash_request *req);
+ int (*digest)(struct ahash_request *req);
+ int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen);
+
+ unsigned int digestsize;
+};
+
struct aead_alg {
int (*setkey)(struct crypto_aead *tfm, const u8 *key,
unsigned int keylen);
@@ -272,6 +296,7 @@ struct compress_alg {
#define cra_cipher cra_u.cipher
#define cra_digest cra_u.digest
#define cra_hash cra_u.hash
+#define cra_ahash cra_u.ahash
#define cra_compress cra_u.compress
struct crypto_alg {
@@ -298,6 +323,7 @@ struct crypto_alg {
struct cipher_alg cipher;
struct digest_alg digest;
struct hash_alg hash;
+ struct ahash_alg ahash;
struct compress_alg compress;
} cra_u;
@@ -383,6 +409,18 @@ struct hash_tfm {
unsigned int digestsize;
};
+struct ahash_tfm {
+ int (*init)(struct ahash_request *req);
+ int (*update)(struct ahash_request *req);
+ int (*final)(struct ahash_request *req);
+ int (*digest)(struct ahash_request *req);
+ int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen);
+
+ unsigned int digestsize;
+ unsigned int reqsize;
+};
+
struct compress_tfm {
int (*cot_compress)(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen,
@@ -397,6 +435,7 @@ struct compress_tfm {
#define crt_blkcipher crt_u.blkcipher
#define crt_cipher crt_u.cipher
#define crt_hash crt_u.hash
+#define crt_ahash crt_u.ahash
#define crt_compress crt_u.compress
struct crypto_tfm {
@@ -409,6 +448,7 @@ struct crypto_tfm {
struct blkcipher_tfm blkcipher;
struct cipher_tfm cipher;
struct hash_tfm hash;
+ struct ahash_tfm ahash;
struct compress_tfm compress;
} crt_u;