MD5 Encryption in iPhone

#import <CommonCrypto/CommonDigest.h>//plz add coremobile and coretext framework....



NSString *str = urdata;// place your data here that you want to encrypt.....

        const char *cStr = [str UTF8String];

        unsigned char result[CC_MD5_DIGEST_LENGTH];

       CC_MD5( cStr, strlen(cStr), result );

        NSString *qrEncryptdata = [NSString stringWithFormat:
                                 @"%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]
                                 ];
       
        NSLog(@"qrEncryptdata = |%@|",qrEncryptdata);