ObjFW  Diff

	_state[0] = 0x67452301;
	_state[1] = 0xEFCDAB89;
	_state[2] = 0x98BADCFE;
	_state[3] = 0x10325476;
	_state[4] = 0xC3D2E1F0;
}

- (void)updateWithBuffer: (const void*)buffer_
- (void)updateWithBuffer: (const void *)buffer_
		  length: (size_t)length
{
	const uint8_t *buffer = buffer_;

	if (_calculated)
		@throw [OFHashAlreadyCalculatedException
		    exceptionWithObject: self];

		if (_bufferLength == 64) {
			processBlock(_state, _buffer.words);
			_bufferLength = 0;
		}
	}
}

- (const unsigned char*)digest
- (const unsigned char *)digest
{
	if (_calculated)
		return (const uint8_t*)_state;
		return (const uint8_t *)_state;

	_buffer.bytes[_bufferLength] = 0x80;
	memset(_buffer.bytes + _bufferLength + 1, 0, 64 - _bufferLength - 1);

	if (_bufferLength >= 56) {
		processBlock(_state, _buffer.words);
		memset(_buffer.bytes, 0, 64);
	}

	_buffer.words[14] = OF_BSWAP32_IF_LE((uint32_t)(_bits >> 32));
	_buffer.words[15] = OF_BSWAP32_IF_LE((uint32_t)(_bits & 0xFFFFFFFF));

	processBlock(_state, _buffer.words);
	memset(&_buffer, 0, sizeof(_buffer));
	byteSwapVectorIfLE(_state, 5);
	_calculated = true;

	return (const uint8_t*)_state;
	return (const uint8_t *)_state;
}

- (void)reset
{
	[self OF_resetState];
	_bits = 0;
	memset(&_buffer, 0, sizeof(_buffer));
	_bufferLength = 0;
	_calculated = false;
}
@end