ObjFW  Diff

#include "config.h"

#include <string.h>

#import "OFSHA1Hash.h"

#import "OFHashAlreadyCalculatedException.h"

@interface OFSHA1Hash ()
- (void)of_resetState;
@end

#define F(a, b, c, d) ((d) ^ ((b) & ((c) ^ (d))))
#define G(a, b, c, d) ((b) ^ (c) ^ (d))
#define H(a, b, c, d) (((b) & (c)) | ((d) & ((b) | (c))))
#define I(a, b, c, d) ((b) ^ (c) ^ (d))

static OF_INLINE void

	return [[[self alloc] init] autorelease];
}

- init
{
	self = [super init];

	[self of_resetState];

	return self;
}

- (void)dealloc
{
	[self reset];

	memcpy(&copy->_buffer, &_buffer, sizeof(_buffer));
	copy->_bufferLength = _bufferLength;
	copy->_calculated = _calculated;

	return copy;
}

- (void)of_resetState
{
	_state[0] = 0x67452301;
	_state[1] = 0xEFCDAB89;
	_state[2] = 0x98BADCFE;
	_state[3] = 0x10325476;
	_state[4] = 0xC3D2E1F0;
}

	_calculated = true;

	return (const uint8_t *)_state;
}

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