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45 lines
1.0 KiB
Objective-C
45 lines
1.0 KiB
Objective-C
//
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// NSString+DTUtilities.m
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// DTFoundation
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//
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// Created by Oliver Drobnik on 4/16/12.
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// Copyright (c) 2012 Cocoanetics. All rights reserved.
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//
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#import "NSString+DTUtilities.h"
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#import <CommonCrypto/CommonDigest.h>
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@implementation NSString (DTUtilities)
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+ (NSString *)stringWithUUID
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{
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CFUUIDRef uuidObj = CFUUIDCreate(nil);//create a new UUID
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//get the string representation of the UUID
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NSString *uuidString = (__bridge_transfer NSString *)CFUUIDCreateString(nil, uuidObj);
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CFRelease(uuidObj);
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return uuidString;
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}
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- (NSString *)md5Checksum
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{
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const char *cStr = [self UTF8String];
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unsigned char result [CC_MD5_DIGEST_LENGTH];
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CC_MD5( cStr, (CC_LONG)strlen(cStr), result );
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return [NSString stringWithFormat: @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
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result[0], result[1],
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result[2], result[3],
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result[4], result[5],
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result[6], result[7],
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result[8], result[9],
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result[10], result[11],
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result[12], result[13],
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result[14], result[15]
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];
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}
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@end
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