/*
* Copyright (c) 2008 - 2010
* 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 included in
* the packaging of this file.
*/
#include "config.h"
#include <string.h>
#import "OFString.h"
#import "OFMD5Hash.h"
#import "OFSHA1Hash.h"
#import "OFAutoreleasePool.h"
int _OFString_Hashing_reference;
@implementation OFString (Hashing)
- (OFString*)md5Hash
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFMD5Hash *hash = [OFMD5Hash md5Hash];
uint8_t *digest;
char ret_c[32];
size_t i;
[hash updateWithBuffer: string
ofSize: length];
digest = [hash digest];
for (i = 0; i < 16; i++) {
uint8_t high, low;
high = digest[i] >> 4;
low = digest[i] & 0x0F;
ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
}
[pool release];
return [OFString stringWithCString: ret_c
length: 32];
}
- (OFString*)sha1Hash
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFMD5Hash *hash = [OFSHA1Hash sha1Hash];
uint8_t *digest;
char ret_c[40];
size_t i;
[hash updateWithBuffer: string
ofSize: length];
digest = [hash digest];
for (i = 0; i < 20; i++) {
uint8_t high, low;
high = digest[i] >> 4;
low = digest[i] & 0x0F;
ret_c[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
ret_c[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
}
[pool release];
return [OFString stringWithCString: ret_c
length: 40];
}
@end