#include <linux/mm.h>
#include <linux/init.h>
#include <linux/crypto.h>
+#include <linux/types.h>
#include <asm/scatterlist.h>
#include <asm/byteorder.h>
}
static void
-sha512_init(void *ctx)
+sha512_init(struct crypto_tfm *tfm)
{
- struct sha512_ctx *sctx = ctx;
+ struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
sctx->state[0] = H0;
sctx->state[1] = H1;
sctx->state[2] = H2;
sctx->state[6] = H6;
sctx->state[7] = H7;
sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
- memset(sctx->buf, 0, sizeof(sctx->buf));
}
static void
-sha384_init(void *ctx)
+sha384_init(struct crypto_tfm *tfm)
{
- struct sha512_ctx *sctx = ctx;
+ struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
sctx->state[0] = HP0;
sctx->state[1] = HP1;
sctx->state[2] = HP2;
sctx->state[6] = HP6;
sctx->state[7] = HP7;
sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
- memset(sctx->buf, 0, sizeof(sctx->buf));
}
static void
-sha512_update(void *ctx, const u8 *data, unsigned int len)
+sha512_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
{
- struct sha512_ctx *sctx = ctx;
+ struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
unsigned int i, index, part_len;
}
static void
-sha512_final(void *ctx, u8 *hash)
+sha512_final(struct crypto_tfm *tfm, u8 *hash)
{
- struct sha512_ctx *sctx = ctx;
-
+ struct sha512_ctx *sctx = crypto_tfm_ctx(tfm);
static u8 padding[128] = { 0x80, };
-
- u32 t;
- u64 t2;
- u8 bits[128];
+ __be64 *dst = (__be64 *)hash;
+ __be32 bits[4];
unsigned int index, pad_len;
- int i, j;
-
- index = pad_len = t = i = j = 0;
- t2 = 0;
+ int i;
/* Save number of bits */
- t = sctx->count[0];
- bits[15] = t; t>>=8;
- bits[14] = t; t>>=8;
- bits[13] = t; t>>=8;
- bits[12] = t;
- t = sctx->count[1];
- bits[11] = t; t>>=8;
- bits[10] = t; t>>=8;
- bits[9 ] = t; t>>=8;
- bits[8 ] = t;
- t = sctx->count[2];
- bits[7 ] = t; t>>=8;
- bits[6 ] = t; t>>=8;
- bits[5 ] = t; t>>=8;
- bits[4 ] = t;
- t = sctx->count[3];
- bits[3 ] = t; t>>=8;
- bits[2 ] = t; t>>=8;
- bits[1 ] = t; t>>=8;
- bits[0 ] = t;
+ bits[3] = cpu_to_be32(sctx->count[0]);
+ bits[2] = cpu_to_be32(sctx->count[1]);
+ bits[1] = cpu_to_be32(sctx->count[2]);
+ bits[0] = cpu_to_be32(sctx->count[3]);
/* Pad out to 112 mod 128. */
index = (sctx->count[0] >> 3) & 0x7f;
pad_len = (index < 112) ? (112 - index) : ((128+112) - index);
- sha512_update(sctx, padding, pad_len);
+ sha512_update(tfm, padding, pad_len);
/* Append length (before padding) */
- sha512_update(sctx, bits, 16);
+ sha512_update(tfm, (const u8 *)bits, sizeof(bits));
/* Store state in digest */
- for (i = j = 0; i < 8; i++, j += 8) {
- t2 = sctx->state[i];
- hash[j+7] = (char)t2 & 0xff; t2>>=8;
- hash[j+6] = (char)t2 & 0xff; t2>>=8;
- hash[j+5] = (char)t2 & 0xff; t2>>=8;
- hash[j+4] = (char)t2 & 0xff; t2>>=8;
- hash[j+3] = (char)t2 & 0xff; t2>>=8;
- hash[j+2] = (char)t2 & 0xff; t2>>=8;
- hash[j+1] = (char)t2 & 0xff; t2>>=8;
- hash[j ] = (char)t2 & 0xff;
- }
-
+ for (i = 0; i < 8; i++)
+ dst[i] = cpu_to_be64(sctx->state[i]);
+
/* Zeroize sensitive information. */
memset(sctx, 0, sizeof(struct sha512_ctx));
}
-static void sha384_final(void *ctx, u8 *hash)
+static void sha384_final(struct crypto_tfm *tfm, u8 *hash)
{
- struct sha512_ctx *sctx = ctx;
u8 D[64];
- sha512_final(sctx, D);
+ sha512_final(tfm, D);
memcpy(hash, D, 48);
memset(D, 0, 64);
.cra_blocksize = SHA512_HMAC_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct sha512_ctx),
.cra_module = THIS_MODULE,
+ .cra_alignmask = 3,
.cra_list = LIST_HEAD_INIT(sha512.cra_list),
.cra_u = { .digest = {
.dia_digestsize = SHA512_DIGEST_SIZE,
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA384_HMAC_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct sha512_ctx),
+ .cra_alignmask = 3,
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(sha384.cra_list),
.cra_u = { .digest = {