diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:43:22 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:43:22 -0800 |
commit | e14e61e967f2b3bdf23f05e4ae5b9aa830151a44 (patch) | |
tree | 9412c94cbe37bf6f0d0bd9ad2d8b907ce23eb1db /crypto/sha1_generic.c | |
parent | cb10ea549fdc0ab2dd8988adab5bf40b4fa642f3 (diff) | |
parent | 0ee4a96902dd7858e65f378c86f428a0355bd841 (diff) |
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: (57 commits)
crypto: aes - Precompute tables
crypto: talitos - Ack done interrupt in isr instead of tasklet
crypto: testmgr - Correct comment about deflate parameters
crypto: salsa20 - Remove private wrappers around various operations
crypto: des3_ede - permit weak keys unless REQ_WEAK_KEY set
crypto: sha512 - Switch to shash
crypto: sha512 - Move message schedule W[80] to static percpu area
crypto: michael_mic - Switch to shash
crypto: wp512 - Switch to shash
crypto: tgr192 - Switch to shash
crypto: sha256 - Switch to shash
crypto: md5 - Switch to shash
crypto: md4 - Switch to shash
crypto: sha1 - Switch to shash
crypto: rmd320 - Switch to shash
crypto: rmd256 - Switch to shash
crypto: rmd160 - Switch to shash
crypto: rmd128 - Switch to shash
crypto: null - Switch to shash
crypto: hash - Make setkey optional
...
Diffstat (limited to 'crypto/sha1_generic.c')
-rw-r--r-- | crypto/sha1_generic.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c index c7c6899e1fc..9efef20454c 100644 --- a/crypto/sha1_generic.c +++ b/crypto/sha1_generic.c @@ -16,10 +16,10 @@ * 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 <crypto/sha.h> @@ -31,9 +31,10 @@ struct sha1_ctx { u8 buffer[64]; }; -static void sha1_init(struct crypto_tfm *tfm) +static int sha1_init(struct shash_desc *desc) { - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); + struct sha1_ctx *sctx = shash_desc_ctx(desc); + static const struct sha1_ctx initstate = { 0, { SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 }, @@ -41,12 +42,14 @@ static void sha1_init(struct crypto_tfm *tfm) }; *sctx = initstate; + + return 0; } -static void sha1_update(struct crypto_tfm *tfm, const u8 *data, +static int sha1_update(struct shash_desc *desc, const u8 *data, unsigned int len) { - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); + struct sha1_ctx *sctx = shash_desc_ctx(desc); unsigned int partial, done; const u8 *src; @@ -74,13 +77,15 @@ static void sha1_update(struct crypto_tfm *tfm, const u8 *data, partial = 0; } memcpy(sctx->buffer + partial, src, len - done); + + return 0; } /* Add padding and return the message digest. */ -static void sha1_final(struct crypto_tfm *tfm, u8 *out) +static int sha1_final(struct shash_desc *desc, u8 *out) { - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); + struct sha1_ctx *sctx = shash_desc_ctx(desc); __be32 *dst = (__be32 *)out; u32 i, index, padlen; __be64 bits; @@ -91,10 +96,10 @@ static void sha1_final(struct crypto_tfm *tfm, u8 *out) /* Pad out to 56 mod 64 */ index = sctx->count & 0x3f; padlen = (index < 56) ? (56 - index) : ((64+56) - index); - sha1_update(tfm, padding, padlen); + sha1_update(desc, padding, padlen); /* Append length */ - sha1_update(tfm, (const u8 *)&bits, sizeof(bits)); + sha1_update(desc, (const u8 *)&bits, sizeof(bits)); /* Store state in digest */ for (i = 0; i < 5; i++) @@ -102,32 +107,33 @@ static void sha1_final(struct crypto_tfm *tfm, u8 *out) /* Wipe context */ memset(sctx, 0, sizeof *sctx); + + return 0; } -static struct crypto_alg alg = { - .cra_name = "sha1", - .cra_driver_name= "sha1-generic", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct sha1_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = SHA1_DIGEST_SIZE, - .dia_init = sha1_init, - .dia_update = sha1_update, - .dia_final = sha1_final } } +static struct shash_alg alg = { + .digestsize = SHA1_DIGEST_SIZE, + .init = sha1_init, + .update = sha1_update, + .final = sha1_final, + .descsize = sizeof(struct sha1_ctx), + .base = { + .cra_name = "sha1", + .cra_driver_name= "sha1-generic", + .cra_flags = CRYPTO_ALG_TYPE_SHASH, + .cra_blocksize = SHA1_BLOCK_SIZE, + .cra_module = THIS_MODULE, + } }; static int __init sha1_generic_mod_init(void) { - return crypto_register_alg(&alg); + return crypto_register_shash(&alg); } static void __exit sha1_generic_mod_fini(void) { - crypto_unregister_alg(&alg); + crypto_unregister_shash(&alg); } module_init(sha1_generic_mod_init); |