iOS MD5
#import - (NSString*)md5:(NSString*)str { const char *cStr = [str UTF8String]; unsigned char result[CC_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],result[10],result[11],result[12],re..