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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2009-07-22 11:48:18 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2009-07-22 14:38:12 +0800 |
| commit | 1f38ad8389bbca038d320c29d30aa1d6ed96b48d (patch) | |
| tree | 78f458530e16980b9298c09f1b2c1f9c14c09411 /crypto/sha512_generic.c | |
| parent | ac95301f271f32901e4007096aa3516def49eed2 (diff) | |
| download | lwn-1f38ad8389bbca038d320c29d30aa1d6ed96b48d.tar.gz lwn-1f38ad8389bbca038d320c29d30aa1d6ed96b48d.zip | |
crypto: sha512 - Export struct sha512_state
This patch renames struct sha512_ctx and exports it as struct
sha512_state so that other sha512 implementations can use it
as the reference structure for exporting their state.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/sha512_generic.c')
| -rw-r--r-- | crypto/sha512_generic.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index 3bea38d12242..4fe95eb03226 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; @@ -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; @@ -175,7 +169,7 @@ 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; @@ -214,7 +208,7 @@ 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]; @@ -240,7 +234,7 @@ 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 +256,7 @@ 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 +270,7 @@ 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, |