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authorHerbert Xu <herbert@gondor.apana.org.au>2009-07-22 11:48:18 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-07-22 14:38:12 +0800
commit1f38ad8389bbca038d320c29d30aa1d6ed96b48d (patch)
tree78f458530e16980b9298c09f1b2c1f9c14c09411 /crypto
parentac95301f271f32901e4007096aa3516def49eed2 (diff)
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')
-rw-r--r--crypto/sha512_generic.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c
index 3bea38d1224..4fe95eb0322 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,