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/*
* CocoaCryptoHashing.m
* CocoaCryptoHashing
*
* Copyright (c) 2004-2005 Denis Defreyne
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - The names of its contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#import "CocoaCryptoHashing.h"
@implementation NSString (CocoaCryptoHashing)
- (NSData *)md5Hash
{
return [[self dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO] md5Hash];
}
- (NSString *)md5HexHash
{
return [[self dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO] md5HexHash];
}
- (NSData *)sha1Hash
{
return [[self dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO] sha1Hash];
}
- (NSString *)sha1HexHash
{
return [[self dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:NO] sha1HexHash];
}
@end
@implementation NSData (CocoaCryptoHashing)
- (NSString *)md5HexHash
{
unsigned char digest[16];
char finaldigest[32];
int i;
MD5([self bytes],[self length],digest);
for(i=0;i<16;i++) sprintf(finaldigest+i*2,"%02x",digest[i]);
return [NSString stringWithCString:finaldigest encoding:NSUTF8StringEncoding];
// return [NSString stringWithCString:finaldigest length:32];
}
- (NSData *)md5Hash
{
unsigned char digest[16];
MD5([self bytes],[self length],digest);
return [NSData dataWithBytes:&digest length:16];
}
- (NSString *)sha1HexHash
{
unsigned char digest[20];
char finaldigest[40];
int i;
SHA1([self bytes],[self length],digest);
for(i=0;i<20;i++) sprintf(finaldigest+i*2,"%02x",digest[i]);
return [NSString stringWithCString:finaldigest encoding:NSUTF8StringEncoding];
// return [NSString stringWithCString:finaldigest length:40];
}
- (NSData *)sha1Hash
{
unsigned char digest[20];
SHA1([self bytes],[self length],digest);
return [NSData dataWithBytes:&digest length:20];
}
@end
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