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at August 11, 2009 22:13 by phifty
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#import <CommonCrypto/CommonDigest.h> #import <Foundation/Foundation.h> @interface Util : NSObject {} // generates a unique id from a string + (NSString *)uniqueIDFromString:(NSString *)source; @end @implementation Util // generates a unique id from a string + (NSString *)uniqueIDFromString:(NSString *)source { const char *src = [[source lowercaseString] UTF8String]; unsigned char result[CC_MD5_DIGEST_LENGTH]; CC_MD5(src, strlen(src), result); NSString *ret = [[[NSString alloc] initWithFormat:@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7], result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15] ] autorelease]; return ret; } @end
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This is a simple md5 implementation.
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MD5 String Hash
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Objective C