/* * Copyright (c) 2008, 2009, 2010, 2011, 2012 * 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 "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 hash]; uint8_t *digest; char ret[OF_MD5_DIGEST_SIZE * 2]; size_t i; [hash updateWithBuffer: [self UTF8String] length: [self UTF8StringLength]]; digest = [hash digest]; for (i = 0; i < OF_MD5_DIGEST_SIZE; i++) { uint8_t high, low; high = digest[i] >> 4; low = digest[i] & 0x0F; ret[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0'); ret[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0'); } [pool release]; return [OFString stringWithCString: ret encoding: OF_STRING_ENCODING_ASCII length: 32]; } - (OFString*)SHA1Hash { OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init]; OFMD5Hash *hash = [OFSHA1Hash hash]; uint8_t *digest; char ret[OF_SHA1_DIGEST_SIZE * 2]; size_t i; [hash updateWithBuffer: [self UTF8String] length: [self UTF8StringLength]]; digest = [hash digest]; for (i = 0; i < OF_SHA1_DIGEST_SIZE; i++) { uint8_t high, low; high = digest[i] >> 4; low = digest[i] & 0x0F; ret[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0'); ret[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0'); } [pool release]; return [OFString stringWithCString: ret encoding: OF_STRING_ENCODING_ASCII length: 40]; } @end