/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014
* 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 "OFString.h"
#import "OFHash.h"
#import "OFMD5Hash.h"
#import "OFSHA1Hash.h"
#import "OFSHA224Hash.h"
#import "OFSHA256Hash.h"
#import "OFSHA384Hash.h"
#import "OFSHA512Hash.h"
int _OFString_Hashing_reference;
@implementation OFString (Hashing)
- (OFString*)OF_hashAsStringWithHash: (Class <OFHash>)hashClass
{
void *pool = objc_autoreleasePoolPush();
id <OFHash> hash = [hashClass hash];
size_t digestSize = [hashClass digestSize];
const uint8_t *digest;
char cString[digestSize * 2];
size_t i;
[hash updateWithBuffer: [self UTF8String]
length: [self UTF8StringLength]];
digest = [hash digest];
for (i = 0; i < digestSize; 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');
}
objc_autoreleasePoolPop(pool);
return [OFString stringWithCString: cString
encoding: OF_STRING_ENCODING_ASCII
length: digestSize * 2];
}
- (OFString*)MD5Hash
{
return [self OF_hashAsStringWithHash: [OFMD5Hash class]];
}
- (OFString*)SHA1Hash
{
return [self OF_hashAsStringWithHash: [OFSHA1Hash class]];
}
- (OFString*)SHA224Hash
{
return [self OF_hashAsStringWithHash: [OFSHA224Hash class]];
}
- (OFString*)SHA256Hash
{
return [self OF_hashAsStringWithHash: [OFSHA256Hash class]];
}
- (OFString*)SHA384Hash
{
return [self OF_hashAsStringWithHash: [OFSHA384Hash class]];
}
- (OFString*)SHA512Hash
{
return [self OF_hashAsStringWithHash: [OFSHA512Hash class]];
}
@end