int blake2bp_stream( FILE *stream, void *resstream )
{
int ret = -1;
size_t sum, n;
blake2bp_state S[1];
static const size_t buffer_length = 16 * ( 1UL << 20 );
uint8_t *buffer = ( uint8_t * )malloc( buffer_length );
if( !buffer ) return -1;
blake2bp_init( S, BLAKE2B_OUTBYTES );
while( 1 )
{
sum = 0;
while( 1 )
{
n = fread( buffer + sum, 1, buffer_length - sum, stream );
sum += n;
if( buffer_length == sum )
break;
if( 0 == n )
{
if( ferror( stream ) )
goto cleanup_buffer;
goto final_process;
}
if( feof( stream ) )
goto final_process;
}
blake2bp_update( S, buffer, buffer_length );
}
final_process:;
if( sum > 0 ) blake2bp_update( S, buffer, sum );
blake2bp_final( S, resstream, BLAKE2B_OUTBYTES );
ret = 0;
cleanup_buffer:
free( buffer );
return ret;
}
int main( int argc, char **argv )
{
uint8_t key[BLAKE2B_KEYBYTES];
uint8_t buf[KAT_LENGTH];
for( size_t i = 0; i < BLAKE2B_KEYBYTES; ++i )
key[i] = ( uint8_t )i;
for( size_t i = 0; i < KAT_LENGTH; ++i )
buf[i] = ( uint8_t )i;
for( size_t i = 0; i < KAT_LENGTH; ++i )
{
uint8_t hash[BLAKE2B_OUTBYTES];
//blake2bp( hash, buf, key, BLAKE2B_OUTBYTES, i, BLAKE2B_KEYBYTES );
blake2bp_state S[1];
blake2bp_init_key( S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES );
blake2bp_update( S, buf, i );
blake2bp_final( S, hash, BLAKE2B_OUTBYTES );
if( 0 != memcmp( hash, blake2bp_keyed_kat[i], BLAKE2B_OUTBYTES ) )
{
puts( "error" );
return -1;
}
}
puts( "ok" );
return 0;
}
void cryptonite_blake2bp_update(blake2bp_ctx *ctx, const uint8_t *data, uint32_t len)
{
blake2bp_update(ctx, data, len);
}
