diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/Kconfig | 2 | ||||
| -rw-r--r-- | crypto/rmd320.c | 61 |
2 files changed, 33 insertions, 30 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 7f3d7954c929..edf6c71b576e 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -339,7 +339,7 @@ config CRYPTO_RMD256 config CRYPTO_RMD320 tristate "RIPEMD-320 digest algorithm" - select CRYPTO_ALGAPI + select CRYPTO_HASH help RIPEMD-320 is an optional extension of RIPEMD-160 with a 320 bit hash. It is intended for applications that require diff --git a/crypto/rmd320.c b/crypto/rmd320.c index b143d66e42c8..86becaba2f05 100644 --- a/crypto/rmd320.c +++ b/crypto/rmd320.c @@ -13,11 +13,10 @@ * any later version. * */ +#include <crypto/internal/hash.h> #include <linux/init.h> #include <linux/module.h> #include <linux/mm.h> -#include <linux/crypto.h> -#include <linux/cryptohash.h> #include <linux/types.h> #include <asm/byteorder.h> @@ -280,9 +279,9 @@ static void rmd320_transform(u32 *state, const __le32 *in) return; } -static void rmd320_init(struct crypto_tfm *tfm) +static int rmd320_init(struct shash_desc *desc) { - struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm); + struct rmd320_ctx *rctx = shash_desc_ctx(desc); rctx->byte_count = 0; @@ -298,12 +297,14 @@ static void rmd320_init(struct crypto_tfm *tfm) rctx->state[9] = RMD_H9; memset(rctx->buffer, 0, sizeof(rctx->buffer)); + + return 0; } -static void rmd320_update(struct crypto_tfm *tfm, const u8 *data, - unsigned int len) +static int rmd320_update(struct shash_desc *desc, const u8 *data, + unsigned int len) { - struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm); + struct rmd320_ctx *rctx = shash_desc_ctx(desc); const u32 avail = sizeof(rctx->buffer) - (rctx->byte_count & 0x3f); rctx->byte_count += len; @@ -312,7 +313,7 @@ static void rmd320_update(struct crypto_tfm *tfm, const u8 *data, if (avail > len) { memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), data, len); - return; + goto out; } memcpy((char *)rctx->buffer + (sizeof(rctx->buffer) - avail), @@ -330,12 +331,15 @@ static void rmd320_update(struct crypto_tfm *tfm, const u8 *data, } memcpy(rctx->buffer, data, len); + +out: + return 0; } /* Add padding and return the message digest. */ -static void rmd320_final(struct crypto_tfm *tfm, u8 *out) +static int rmd320_final(struct shash_desc *desc, u8 *out) { - struct rmd320_ctx *rctx = crypto_tfm_ctx(tfm); + struct rmd320_ctx *rctx = shash_desc_ctx(desc); u32 i, index, padlen; __le64 bits; __le32 *dst = (__le32 *)out; @@ -346,10 +350,10 @@ static void rmd320_final(struct crypto_tfm *tfm, u8 *out) /* Pad out to 56 mod 64 */ index = rctx->byte_count & 0x3f; padlen = (index < 56) ? (56 - index) : ((64+56) - index); - rmd320_update(tfm, padding, padlen); + rmd320_update(desc, padding, padlen); /* Append length */ - rmd320_update(tfm, (const u8 *)&bits, sizeof(bits)); + rmd320_update(desc, (const u8 *)&bits, sizeof(bits)); /* Store state in digest */ for (i = 0; i < 10; i++) @@ -357,31 +361,32 @@ static void rmd320_final(struct crypto_tfm *tfm, u8 *out) /* Wipe context */ memset(rctx, 0, sizeof(*rctx)); + + return 0; } -static struct crypto_alg alg = { - .cra_name = "rmd320", - .cra_driver_name = "rmd320", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = RMD320_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct rmd320_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = RMD320_DIGEST_SIZE, - .dia_init = rmd320_init, - .dia_update = rmd320_update, - .dia_final = rmd320_final } } +static struct shash_alg alg = { + .digestsize = RMD320_DIGEST_SIZE, + .init = rmd320_init, + .update = rmd320_update, + .final = rmd320_final, + .descsize = sizeof(struct rmd320_ctx), + .base = { + .cra_name = "rmd320", + .cra_flags = CRYPTO_ALG_TYPE_SHASH, + .cra_blocksize = RMD320_BLOCK_SIZE, + .cra_module = THIS_MODULE, + } }; static int __init rmd320_mod_init(void) { - return crypto_register_alg(&alg); + return crypto_register_shash(&alg); } static void __exit rmd320_mod_fini(void) { - crypto_unregister_alg(&alg); + crypto_unregister_shash(&alg); } module_init(rmd320_mod_init); @@ -389,5 +394,3 @@ module_exit(rmd320_mod_fini); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("RIPEMD-320 Message Digest"); - -MODULE_ALIAS("rmd320"); |