void blake2s_final( blake2s_state *S, byte *digest )
{
if( S->buflen > BLAKE2S_BLOCKBYTES )
{
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
blake2s_compress( S, S->buf );
S->buflen -= BLAKE2S_BLOCKBYTES;
memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
}
blake2s_increment_counter( S, ( uint32 )S->buflen );
blake2s_set_lastblock( S );
memset( S->buf + S->buflen, 0, 2 * BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
blake2s_compress( S, S->buf );
for( int i = 0; i < 8; ++i ) /* Output full hash */
RawPut4( S->h[i], digest + 4 * i );
}
void ConvertHashToMAC(HashValue *Value,byte *Key)
{
if (Value->Type==HASH_CRC32)
{
byte RawCRC[4];
RawPut4(Value->CRC32,RawCRC);
byte Digest[SHA256_DIGEST_SIZE];
hmac_sha256(Key,SHA256_DIGEST_SIZE,RawCRC,sizeof(RawCRC),Digest,NULL,NULL,NULL,NULL);
Value->CRC32=0;
for (uint I=0;I<ASIZE(Digest);I++)
Value->CRC32^=Digest[I] << ((I & 3) * 8);
}
if (Value->Type==HASH_BLAKE2)
{
byte Digest[BLAKE2_DIGEST_SIZE];
hmac_sha256(Key,BLAKE2_DIGEST_SIZE,Value->Digest,sizeof(Value->Digest),Digest,NULL,NULL,NULL,NULL);
memcpy(Value->Digest,Digest,sizeof(Value->Digest));
}
}
