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[CRYPTO] sha: Add header file for SHA definitions

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There are currently several SHA implementations that all define their own
initialization vectors and size values. Since this values are idential
move them to a header file under include/crypto.

Signed-off-by: Jan Glauber <jang@de.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jan Glauber
2007-10-09 22:43:13 +08:00
committed by David S. Miller
parent ad5d27899f
commit 5265eeb2b0
7 changed files with 116 additions and 109 deletions
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63
crypto/sha512.c
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@ -13,20 +13,15 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/crypto.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <asm/scatterlist.h>
#include <asm/byteorder.h>
#define SHA384_DIGEST_SIZE 48
#define SHA512_DIGEST_SIZE 64
#define SHA384_HMAC_BLOCK_SIZE 128
#define SHA512_HMAC_BLOCK_SIZE 128
struct sha512_ctx {
u64 state[8];
u32 count[4];
@ -84,26 +79,6 @@ static const u64 sha512_K[80] = {
#define s0(x) (RORu64(x, 1) ^ RORu64(x, 8) ^ (x >> 7))
#define s1(x) (RORu64(x,19) ^ RORu64(x,61) ^ (x >> 6))
/* H* initial state for SHA-512 */
#define H0 0x6a09e667f3bcc908ULL
#define H1 0xbb67ae8584caa73bULL
#define H2 0x3c6ef372fe94f82bULL
#define H3 0xa54ff53a5f1d36f1ULL
#define H4 0x510e527fade682d1ULL
#define H5 0x9b05688c2b3e6c1fULL
#define H6 0x1f83d9abfb41bd6bULL
#define H7 0x5be0cd19137e2179ULL
/* H'* initial state for SHA-384 */
#define HP0 0xcbbb9d5dc1059ed8ULL
#define HP1 0x629a292a367cd507ULL
#define HP2 0x9159015a3070dd17ULL
#define HP3 0x152fecd8f70e5939ULL
#define HP4 0x67332667ffc00b31ULL
#define HP5 0x8eb44a8768581511ULL
#define HP6 0xdb0c2e0d64f98fa7ULL
#define HP7 0x47b5481dbefa4fa4ULL
static inline void LOAD_OP(int I, u64 *W, const u8 *input)
{
W[I] = __be64_to_cpu( ((__be64*)(input))[I] );
@ -164,14 +139,14 @@ static void
sha512_init(struct crypto_tfm *tfm)
{
struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
sctx->state[0] = H0;
sctx->state[1] = H1;
sctx->state[2] = H2;
sctx->state[3] = H3;
sctx->state[4] = H4;
sctx->state[5] = H5;
sctx->state[6] = H6;
sctx->state[7] = H7;
sctx->state[0] = SHA512_H0;
sctx->state[1] = SHA512_H1;
sctx->state[2] = SHA512_H2;
sctx->state[3] = SHA512_H3;
sctx->state[4] = SHA512_H4;
sctx->state[5] = SHA512_H5;
sctx->state[6] = SHA512_H6;
sctx->state[7] = SHA512_H7;
sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
}
@ -179,14 +154,14 @@ static void
sha384_init(struct crypto_tfm *tfm)
{
struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
sctx->state[0] = HP0;
sctx->state[1] = HP1;
sctx->state[2] = HP2;
sctx->state[3] = HP3;
sctx->state[4] = HP4;
sctx->state[5] = HP5;
sctx->state[6] = HP6;
sctx->state[7] = HP7;
sctx->state[0] = SHA384_H0;
sctx->state[1] = SHA384_H1;
sctx->state[2] = SHA384_H2;
sctx->state[3] = SHA384_H3;
sctx->state[4] = SHA384_H4;
sctx->state[5] = SHA384_H5;
sctx->state[6] = SHA384_H6;
sctx->state[7] = SHA384_H7;
sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
}
@ -275,7 +250,7 @@ static void sha384_final(struct crypto_tfm *tfm, u8 *hash)
static struct crypto_alg sha512 = {
.cra_name = "sha512",
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA512_HMAC_BLOCK_SIZE,
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct sha512_ctx),
.cra_module = THIS_MODULE,
.cra_alignmask = 3,
@ -291,7 +266,7 @@ static struct crypto_alg sha512 = {
static struct crypto_alg sha384 = {
.cra_name = "sha384",
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA384_HMAC_BLOCK_SIZE,
.cra_blocksize = SHA384_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct sha512_ctx),
.cra_alignmask = 3,
.cra_module = THIS_MODULE,