diff options
Diffstat (limited to 'crypto/sha1.c')
| -rw-r--r-- | crypto/sha1.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/crypto/sha1.c b/crypto/sha1.c index 4016f3b8ce9b..c686e7826174 100644 --- a/crypto/sha1.c +++ b/crypto/sha1.c @@ -21,6 +21,7 @@ #include <linux/mm.h> #include <linux/crypto.h> #include <linux/cryptohash.h> +#include <linux/types.h> #include <asm/scatterlist.h> #include <asm/byteorder.h> @@ -72,20 +73,12 @@ static void sha1_update(void *ctx, const u8 *data, unsigned int len) static void sha1_final(void* ctx, u8 *out) { struct sha1_ctx *sctx = ctx; - u32 i, j, index, padlen; - u64 t; - u8 bits[8] = { 0, }; + __be32 *dst = (__be32 *)out; + u32 i, index, padlen; + __be64 bits; static const u8 padding[64] = { 0x80, }; - t = sctx->count; - bits[7] = 0xff & t; t>>=8; - bits[6] = 0xff & t; t>>=8; - bits[5] = 0xff & t; t>>=8; - bits[4] = 0xff & t; t>>=8; - bits[3] = 0xff & t; t>>=8; - bits[2] = 0xff & t; t>>=8; - bits[1] = 0xff & t; t>>=8; - bits[0] = 0xff & t; + bits = cpu_to_be64(sctx->count); /* Pad out to 56 mod 64 */ index = (sctx->count >> 3) & 0x3f; @@ -93,16 +86,11 @@ static void sha1_final(void* ctx, u8 *out) sha1_update(sctx, padding, padlen); /* Append length */ - sha1_update(sctx, bits, sizeof bits); + sha1_update(sctx, (const u8 *)&bits, sizeof(bits)); /* Store state in digest */ - for (i = j = 0; i < 5; i++, j += 4) { - u32 t2 = sctx->state[i]; - out[j+3] = t2 & 0xff; t2>>=8; - out[j+2] = t2 & 0xff; t2>>=8; - out[j+1] = t2 & 0xff; t2>>=8; - out[j ] = t2 & 0xff; - } + for (i = 0; i < 5; i++) + dst[i] = cpu_to_be32(sctx->state[i]); /* Wipe context */ memset(sctx, 0, sizeof *sctx); |