diff options
| -rw-r--r-- | crypto/Kconfig | 2 | ||||
| -rw-r--r-- | crypto/md5.c | 50 |
2 files changed, 29 insertions, 23 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 96f8154147a..989304ca3ea 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -282,7 +282,7 @@ config CRYPTO_MD4 config CRYPTO_MD5 tristate "MD5 digest algorithm" - select CRYPTO_ALGAPI + select CRYPTO_HASH help MD5 message digest algorithm (RFC1321). diff --git a/crypto/md5.c b/crypto/md5.c index 39268f3d2f1..83eb5296175 100644 --- a/crypto/md5.c +++ b/crypto/md5.c @@ -15,10 +15,10 @@ * any later version. * */ +#include <crypto/internal/hash.h> #include <linux/init.h> #include <linux/module.h> #include <linux/string.h> -#include <linux/crypto.h> #include <linux/types.h> #include <asm/byteorder.h> @@ -147,20 +147,22 @@ static inline void md5_transform_helper(struct md5_ctx *ctx) md5_transform(ctx->hash, ctx->block); } -static void md5_init(struct crypto_tfm *tfm) +static int md5_init(struct shash_desc *desc) { - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); + struct md5_ctx *mctx = shash_desc_ctx(desc); mctx->hash[0] = 0x67452301; mctx->hash[1] = 0xefcdab89; mctx->hash[2] = 0x98badcfe; mctx->hash[3] = 0x10325476; mctx->byte_count = 0; + + return 0; } -static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) +static int md5_update(struct shash_desc *desc, const u8 *data, unsigned int len) { - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); + struct md5_ctx *mctx = shash_desc_ctx(desc); const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); mctx->byte_count += len; @@ -168,7 +170,7 @@ static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) if (avail > len) { memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), data, len); - return; + return 0; } memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), @@ -186,11 +188,13 @@ static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) } memcpy(mctx->block, data, len); + + return 0; } -static void md5_final(struct crypto_tfm *tfm, u8 *out) +static int md5_final(struct shash_desc *desc, u8 *out) { - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); + struct md5_ctx *mctx = shash_desc_ctx(desc); const unsigned int offset = mctx->byte_count & 0x3f; char *p = (char *)mctx->block + offset; int padding = 56 - (offset + 1); @@ -212,30 +216,32 @@ static void md5_final(struct crypto_tfm *tfm, u8 *out) cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(u32)); memcpy(out, mctx->hash, sizeof(mctx->hash)); memset(mctx, 0, sizeof(*mctx)); + + return 0; } -static struct crypto_alg alg = { - .cra_name = "md5", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = MD5_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct md5_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = MD5_DIGEST_SIZE, - .dia_init = md5_init, - .dia_update = md5_update, - .dia_final = md5_final } } +static struct shash_alg alg = { + .digestsize = MD5_DIGEST_SIZE, + .init = md5_init, + .update = md5_update, + .final = md5_final, + .descsize = sizeof(struct md5_ctx), + .base = { + .cra_name = "md5", + .cra_flags = CRYPTO_ALG_TYPE_SHASH, + .cra_blocksize = MD5_HMAC_BLOCK_SIZE, + .cra_module = THIS_MODULE, + } }; static int __init md5_mod_init(void) { - return crypto_register_alg(&alg); + return crypto_register_shash(&alg); } static void __exit md5_mod_fini(void) { - crypto_unregister_alg(&alg); + crypto_unregister_shash(&alg); } module_init(md5_mod_init); |