48 lines
1.8 KiB
Objective-C
Executable File
48 lines
1.8 KiB
Objective-C
Executable File
//
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// NSString+MD5.m
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//
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// Copyright (c) 2014
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#import <CommonCrypto/CommonDigest.h>
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#import <Foundation/Foundation.h>
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#import "NSString+MD5.h"
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@implementation NSString (VKSMD5)
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- (NSString *)vks_md5 {
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// Create pointer to the string as UTF8
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const char *ptr = [self UTF8String];
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// Create byte array of unsigned chars
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unsigned char md5Buffer[CC_MD5_DIGEST_LENGTH];
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// Create 16 bytes MD5 hash value, store in buffer
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CC_MD5(ptr, (uint) strlen(ptr), md5Buffer);
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// Convert unsigned char buffer to NSString of hex values
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NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
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for (int i = 0; i < CC_MD5_DIGEST_LENGTH; i++)
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[output appendFormat:@"%02x", md5Buffer[i]];
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return output;
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}
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@end
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