/*
* Copyright (c) 2008, 2009, 2010, 2011
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFDataArray.h"
#import "OFString.h"
#import "OFMD5Hash.h"
#import "OFSHA1Hash.h"
#import "OFAutoreleasePool.h"
int _OFDataArray_Hashing_reference;
@implementation OFDataArray (Hashing)
- (OFString*)MD5Hash
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFMD5Hash *hash = [OFMD5Hash MD5Hash];
uint8_t *digest;
char cString[OF_MD5_DIGEST_SIZE * 2];
size_t i;
[hash updateWithBuffer: data
length: count * itemSize];
digest = [hash digest];
for (i = 0; i < OF_MD5_DIGEST_SIZE; i++) {
uint8_t high, low;
high = digest[i] >> 4;
low = digest[i] & 0x0F;
cString[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
cString[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
}
[pool release];
return [OFString stringWithCString: cString
encoding: OF_STRING_ENCODING_ASCII
length: 32];
}
- (OFString*)SHA1Hash
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFMD5Hash *hash = [OFSHA1Hash SHA1Hash];
uint8_t *digest;
char cString[OF_SHA1_DIGEST_SIZE * 2];
size_t i;
[hash updateWithBuffer: data
length: count * itemSize];
digest = [hash digest];
for (i = 0; i < OF_SHA1_DIGEST_SIZE; i++) {
uint8_t high, low;
high = digest[i] >> 4;
low = digest[i] & 0x0F;
cString[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
cString[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
}
[pool release];
return [OFString stringWithCString: cString
encoding: OF_STRING_ENCODING_ASCII
length: 40];
}
@end