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SHAKE (SHA3 related) big endian fix

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This commit is contained in:
Karel Miko 2017-05-01 21:54:32 +02:00
parent 67ca1c0b9a
commit e5c0e7ffd3
1 changed files with 11 additions and 0 deletions
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11
src/hashes/sha3.c
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@ -268,6 +268,17 @@ int sha3_shake_done(hash_state *md, unsigned char *out, unsigned long outlen)
md->sha3.s[md->sha3.word_index] ^= (md->sha3.saved ^ (CONST64(0x1F) << (md->sha3.byte_index * 8)));
md->sha3.s[SHA3_KECCAK_SPONGE_WORDS - md->sha3.capacity_words - 1] ^= CONST64(0x8000000000000000);
keccakf(md->sha3.s);
#ifndef ENDIAN_LITTLE
{
unsigned i;
for(i = 0; i < SHA3_KECCAK_SPONGE_WORDS; i++) {
const ulong32 t1 = (ulong32)(md->sha3.s[i] & CONST64(0xFFFFFFFF));
const ulong32 t2 = (ulong32)(md->sha3.s[i] >> 32);
STORE32L(t1, md->sha3.sb + i * 8);
STORE32L(t2, md->sha3.sb + i * 8 + 4);
}
}
#endif
md->sha3.byte_index = 0;
md->sha3.xof_flag = 1;
}