- (NSString *)md5To32bit:(NSString *)input {
? ? const char* str = [input UTF8String];
? ? unsigned char result[CC_MD2_DIGEST_LENGTH];
? ? CC_MD5(str, (CC_LONG)strlen(str), result);
? ? NSMutableString *ret = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH*2];
? ? for(int i = 0; I<CC_MD2_DIGEST_LENGTH;i++){
? ? ? ? [ret appendFormat:@"%02x",result[i]];
? ? }
? ? return ret;
}
