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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2011-09-27 08:26:24 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-10-21 14:24:16 +0200 |
| commit | ac4385d250d83fae0148607d9fb694aa6e90ab9c (patch) | |
| tree | edd6dca83cdb14679353905022ef6d672c6faa91 /crypto | |
| parent | 540b97c1dd9ee68112269be322d901f1edc1a282 (diff) | |
| download | lwn-ac4385d250d83fae0148607d9fb694aa6e90ab9c.tar.gz lwn-ac4385d250d83fae0148607d9fb694aa6e90ab9c.zip | |
crypto: whirlpool - count rounds from 0
rc[0] is unused because rounds are counted from 1.
Save an u64!
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/wp512.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/crypto/wp512.c b/crypto/wp512.c index 723427273687..71719a2be25a 100644 --- a/crypto/wp512.c +++ b/crypto/wp512.c @@ -762,11 +762,17 @@ static const u64 C7[256] = { 0x86228644a411c286ULL, }; -static const u64 rc[WHIRLPOOL_ROUNDS + 1] = { - 0x0000000000000000ULL, 0x1823c6e887b8014fULL, 0x36a6d2f5796f9152ULL, - 0x60bc9b8ea30c7b35ULL, 0x1de0d7c22e4bfe57ULL, 0x157737e59ff04adaULL, - 0x58c9290ab1a06b85ULL, 0xbd5d10f4cb3e0567ULL, 0xe427418ba77d95d8ULL, - 0xfbee7c66dd17479eULL, 0xca2dbf07ad5a8333ULL, +static const u64 rc[WHIRLPOOL_ROUNDS] = { + 0x1823c6e887b8014fULL, + 0x36a6d2f5796f9152ULL, + 0x60bc9b8ea30c7b35ULL, + 0x1de0d7c22e4bfe57ULL, + 0x157737e59ff04adaULL, + 0x58c9290ab1a06b85ULL, + 0xbd5d10f4cb3e0567ULL, + 0xe427418ba77d95d8ULL, + 0xfbee7c66dd17479eULL, + 0xca2dbf07ad5a8333ULL, }; /** @@ -793,7 +799,7 @@ static void wp512_process_buffer(struct wp512_ctx *wctx) { state[6] = block[6] ^ (K[6] = wctx->hash[6]); state[7] = block[7] ^ (K[7] = wctx->hash[7]); - for (r = 1; r <= WHIRLPOOL_ROUNDS; r++) { + for (r = 0; r < WHIRLPOOL_ROUNDS; r++) { L[0] = C0[(int)(K[0] >> 56) ] ^ C1[(int)(K[7] >> 48) & 0xff] ^ |