PUBLIC MARKS from an_ta with tags md5 & cool

NSString * md5( NSString *str ) { const char *cStr = str UTF8String; unsigned char resultCC_MD5_DIGEST_LENGTH; CC_MD5( cStr, strlen(cStr), result ); return [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], result10, result11, result12, result13, result14, result15 ]; }