【iOS逆向与安全】DTRpcClient 抓包和代码分析记录


frida-trace -UF  -m "-[DTRpcConfig isAMRPC]"


onEnter(log, args, state) {
    log(`-[DTRpcConfig isAMRPC] ~~~~~`);

    var customObj = new ObjC.Object(args[0]); // 自定义对象
    // 打印该对象所有属性
    var ivarList = customObj.$ivars;
    for (key in ivarList) {
       log(`key${key}=${ivarList[key]}`);
    }

    customObj.setIsAMRPC_(false);
  
    log(`-[DTRpcConfig isAMRPC] --`+customObj.isAMRPC());


  }

+(NSString*)identifier{

    NSString *embeddedPath = [[NSBundle mainBundle] pathForResource:@"embedded" ofType:@"mobileprovision"];
    // 读取application-identifier  注意描述文件的编码要使用:NSASCIIStringEncoding
    NSString *embeddedProvisioning = [NSString stringWithContentsOfFile:embeddedPath encoding:NSASCIIStringEncoding error:nil];
    NSArray *embeddedProvisioningLines = [embeddedProvisioning componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]];
    
    BOOL isJr = NO;//如果embedded 文件被删除 则不会进入
    
    for (int i = 0; i < embeddedProvisioningLines.count; i++) {
        if ([embeddedProvisioningLines[i] rangeOfString:@"application-identifier"].location != NSNotFound) {
            isJr = YES;
            NSInteger fromPosition = [embeddedProvisioningLines[i+1] rangeOfString:@"<string>"].location+8;
            
            NSInteger toPosition = [embeddedProvisioningLines[i+1] rangeOfString:@"</string>"].location;
            
            NSRange range;
            range.location = fromPosition;
            range.length = toPosition - fromPosition;
            
            NSString *fullIdentifier = [embeddedProvisioningLines[i+1] substringWithRange:range];
            NSArray *identifierComponents = [fullIdentifier componentsSeparatedByString:@"."];
            NSString *appIdentifier = [identifierComponents firstObject];
            
            return appIdentifier;
            
            break;
        }
    }
    return @"nil";
}

//发送数据1
%hook DTRpcClient
- (id)executeMethod:(id)arg1 params:(id)arg2 requestHeaderField:(id)arg3 responseHeaderFields:(id )arg4{
//    NSString *blockDescription2 = [ZLJPrinter printBlock:arg4];
//    NSLog(@"%@",blockDescription2);// arg1    DTRpcMethod *
    if([xddTools alipayHttpHookURL2:self params:arg1]){
        int sdfldlf = 1;
    }
    id s = %orig;
    return s; //发送数据
}

//hook 发送HTTP请求2
+(_Bool)alipayHttpHookURL2:(DTRpcClient*)client params:(DTRpcMethod*)method
{
    NSURL *gatewayURL = client.configManager.globalConfig.gatewayURL;
//    client.configManager.globalConfig.isAMRPC = false;//通用
    if(gatewayURL && method.operationType){
        client.configManager.globalConfig.isAMRPC = false;//通用
        // 任务列表 Call
        if([ method.operationType isEqualToString:@"alipay.antforest.forest.h5.queryTaskList"]){
            
//            client.configManager.globalConfig.networkActivityIndicatorVisible = false;
//            client.configManager.globalConfig.requestGZip = false;
            client.configManager.globalConfig.isAMRPC = false;//关键Call
            
            
//            client.configManager.globalConfig.shouldAppendCTUExtraParams = true;
//            client.configManager.globalConfig.ignoreInterceptor = true;
//            client.configManager.globalConfig.canResend = true;
            
              client.configManager.globalConfig.gatewayURL = [NSURL URLWithString:@"https://sign.xxx.com/dsadsa.php"];
            return YES;
        }
    }
    
    return NO;
}

// 得到当前本地时间，13位，整形
+ (long long)gs_getCurrentTimeToMilliSecond {
    double currentTime = [[NSDate date] timeIntervalSince1970] * 1000;
    long long iTime = (long long)currentTime;
    return iTime;
}
//得到当前时间相对1970时间的字符串，精度到秒，返回10位长度字符串
+ (NSString *)gs_getCurrentTimeBySecond {
    double currentTime =  [[NSDate date] timeIntervalSince1970];
    NSString *strTime = [NSString stringWithFormat:@"%.0f",currentTime];
    return strTime;
}
/** 得到当前时间相对1970时间的字符串，精度到毫秒，返回13位长度字符串*/
+ (NSString *)gs_getCurrentTimeStringToMilliSecond {
    double currentTime =  [[NSDate date] timeIntervalSince1970]*1000;
    NSString *strTime = [NSString stringWithFormat:@"%.0f",currentTime];
    return strTime;
}

//测试j加密
+(void)TestHttpmmmmm
{
//    [xddTools TestHttpmmmmm];
    
    DTURLRequestOperation*op = [[NSClassFromString(@"DTURLRequestOperation") alloc] init];
    NSString*retmd5 =  [op rpcV1Sign:@"asdasdas" newSign:false request:0];
    NSLog(@"%@",retmd5);
}

//获取数据签名，dic(data,call)
+(NSDictionary*)getAlipaysignV1:(NSDictionary*)dic
{
    
    NSString *type = @"";
    NSString *basStr = @"";
    NSString *extParam = @"";
    
    if(dic[@"data"] && dic[@"call"] && dic[@"extParam"]){
        basStr = dic[@"data"];
        type = dic[@"call"];
        extParam = dic[@"extParam"];
        
    }else{
        return [NSDictionary dictionaryWithObjectsAndKeys:
        @"is data or call extParam to null?",@"data"
        ,nil];;
    }
    
    long long time13 = [self gs_getCurrentTimeToMilliSecond];
    
    NSString *basTime = [NSClassFromString(@"DTRpcUtils") c10to64:time13];
    
    //加密数据
    //operationType=alipay.antforest.forest.h5.queryTaskList&requestData=[{\"version\":\"20191225\"}]&scene=active&ts=NKGPVxc
       NSString*sText = [NSString stringWithFormat:@"extParam=%@&operationType=%@&requestData=%@&ts=%@",
            extParam,
            type,
            basStr,
            basTime
     ];
    
    NSDictionary *paDict = [NSDictionary dictionaryWithObjectsAndKeys:
                            sText,@"input"
                            ,nil];
    //构造加密数据
    OpenSecurityGuardParamContext *param = [NSClassFromString(@"OpenSecurityGuardParamContext")  createParamContextWithAppKey:@"rpc-sdk-online" paramDict:paDict requestType:4];
    //获取加密类管理器
    OpenSecurityGuardManager*guardManager = [NSClassFromString(@"OpenSecurityGuardManager") getInstance];
    //获取签名class
    SecurityGuardOpenSecureSignature *secureSignature = [guardManager getSecureSignatureComp];
    //调用签名
    NSString*smd5 = [secureSignature signRequest:param authCode:0];
    
    NSLog(@"加密解结果：%@",smd5);
    
    NSDictionary *retDict = [NSDictionary dictionaryWithObjectsAndKeys:
//                            @(time13),@"time13",
                            basTime,@"Ts",
                            smd5,@"sign",
                            nil];
    
    return retDict;
}
//获取数据签名，dic(data,call)
+(NSDictionary*)getAlipaysign:(NSDictionary*)dic
{
    
    NSString *type = @"";
    NSString *basStr = @"";
    
    if(dic[@"data"] && dic[@"call"]){
        basStr = dic[@"data"];
        type = dic[@"call"];
        
    }else{
        return [NSDictionary dictionaryWithObjectsAndKeys:
        @"is data or call to null?",@"data"
        ,nil];;
    }
    
    long long time13 = [self gs_getCurrentTimeToMilliSecond];
    
    NSString *basTime = [NSClassFromString(@"DTRpcUtils") c10to64:time13];
    
    //加密数据
    //Operation-Type=alipay.antforest.forest.h5.queryTaskList&Request-Data=W3sidmVyc2lvbiI6IjIwMTkxMjI1In1d&Ts=NJqbLtC
       NSString*sText = [NSString stringWithFormat:@"Operation-Type=%@&Request-Data=%@&Ts=%@",
        type,
        basStr,
        basTime
     ];
    
    NSDictionary *paDict = [NSDictionary dictionaryWithObjectsAndKeys:
                            sText,@"input"
                            ,nil];
    //构造加密数据
    OpenSecurityGuardParamContext *param = [NSClassFromString(@"OpenSecurityGuardParamContext")  createParamContextWithAppKey:@"rpc-sdk-online" paramDict:paDict requestType:4];
    //获取加密类管理器
    OpenSecurityGuardManager*guardManager = [NSClassFromString(@"OpenSecurityGuardManager") getInstance];
    //获取签名class
    SecurityGuardOpenSecureSignature *secureSignature = [guardManager getSecureSignatureComp];
    //调用签名
    NSString*smd5 = [secureSignature signRequest:param authCode:0];
    
    NSLog(@"加密解结果：%@",smd5);
    
    NSDictionary *retDict = [NSDictionary dictionaryWithObjectsAndKeys:
//                            @(time13),@"time13",
                            basTime,@"Ts",
                            smd5,@"sign",
                            nil];
    
    return retDict;
}

//签名测试
+(void)tttttsign{
    
//    [xddTools tttttsign];
    [[NSDate date] timeIntervalSince1970];
    //arg1    unsigned long long    1601878192164
    //1601878192164
    //1601878628380
    
    long long tttime = 1601878192164;
    tttime = [self gs_getCurrentTimeToMilliSecond];
    
    NSString*basTime = [NSClassFromString(@"DTRpcUtils") c10to64:tttime];//(unsigned long long)arg1
    
    //加密数据
    NSString*sText = @"Operation-Type=alipay.antforest.forest.h5.queryTaskList&Request-Data=W3sidmVyc2lvbiI6IjIwMTkxMjI1In1d&Ts=NJqbLtC";
    sText = @"Operation-Type=alipay.antforest.forest.h5.queryTaskList&Request-Data=W3sidmVyc2lvbiI6IjIwMTkxMjI1In1d&Ts=NJoFt0v";
    
    sText = @"Operation-Type=ali.user.gw.unifyLogin.hpb&Request-Data=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&Ts=NY6j5xV";
    
    NSDictionary *paDict = [NSDictionary dictionaryWithObjectsAndKeys:
                               sText,@"input"
                               ,nil];
    //构造加密数据
    OpenSecurityGuardParamContext *param = [NSClassFromString(@"OpenSecurityGuardParamContext")  createParamContextWithAppKey:@"rpc-sdk-online" paramDict:paDict requestType:4];
    //获取加密类管理器
    OpenSecurityGuardManager*guardManager = [NSClassFromString(@"OpenSecurityGuardManager") getInstance];
    //获取签名class
    SecurityGuardOpenSecureSignature *secureSignature = [guardManager getSecureSignatureComp];
    //调用签名
    NSString*sMd5 = [secureSignature signRequest:param authCode:0];
    NSLog(@"加密解结果：%@",sMd5);
    
    int asf =1;
    //NSString*sMd5 = [NSClassFromString(@"SecurityGuardOpenSecureSignature") signRequest:param authCode:0];
}

//获取cookies
+(void)getAlipaycookies
{
//    [xddTools getAlipaycookies];
    NSString *cookies = [NSClassFromString(@"APAppInfoProvider") getCookieSessionId];
    
    NSLog(@"getCookieSessionId.cookies=%@",cookies);
    
    APAppInfoProvider*ider = [[NSClassFromString(@"APAppInfoProvider") alloc] init];
    
    APMAInitInfo* info = [ider getInitInfo];
    NSDictionary*infoDic =  [info info];
    
    
    NSString *userId = infoDic[@"userId"];
    NSString *utdid = infoDic[@"utdid"];
    
    NSLog(@"getCookieSessionId.userId=%@",userId);
    NSLog(@"getCookieSessionId.utdid=%@",utdid);
    
//    _info    __NSDictionaryM *    17 key/value pairs    0x000000010c0383c0
//    [0]    (null)    "imsi" : "46000fkydms3sbm"
//    [1]    (null)    "clientType" : "phone"
//    [2]    (null)    "mobileBrand" : "apple"
//    [3]    (null)    "productID" : "IPHONE_1ND"
//    [4]    (null)    "longitude" : "107.213615"
//    [5]    (null)    "appType" : "client"
//    [6]    (null)    "latitude" : "30.742227"
//    [7]    (null)    "channels" : "apple-iphone"
//    [8]    (null)    "apdid" : "eYOIkhvmPflYK2HBf23lsMgMR9BT4H3fjz5Xf45vRIkEiZTWE51k3dO9"
//    [9]    (null)    "Language" : "zh-Hans"
//    [10]    (null)    "imei" : "7j29i82sfabv3hi"
//    [11]    (null)    "productVersion" : "10.1.95.7030"
//    [12]    (null)    "AppName" : "ALIPAY_WALLET"
//    [13]    (null)    "userId" : "208843xxxxxxx"
//    [14]    (null)    "only_to_link" : "T"
//    [15]    (null)    "latLonTime" : "1602344704644"
//    [16]    (null)    "utdid" : "XLHljFMLm88DAB994Fe13IYf"
    
//    复制剪切板
//    NSString*textInfo = [NSString stringWithFormat:@"cookies=%@,userId=%@,utdid=%@",cookies,userId,utdid];
//    UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
//    pasteboard.string = textInfo;
    
    
//    dispatch_async(dispatch_get_main_queue(), ^{
//        [UIView xx_makeBottomToast:textInfo];
//    });
    
    if(!cookies || !userId || !utdid){

        dispatch_async(dispatch_get_main_queue(), ^{
            [UIView xx_makeBottomToast:@"请稍后再试,未初始化完毕~"];
        });
        return;
    }else{
        dispatch_async(dispatch_get_main_queue(), ^{
            [UIView xx_makeBottomToast:@"正在授权服务~"];
        });

        dispatch_async(dispatch_get_global_queue(0, 0), ^{
            [self xffadmi2:userId did:utdid cookies:cookies];
        });
    }
    
}

//获取合种永久二维码
+(NSDictionary *)gethezhongqrCode:(NSString*)code
{
    if(code == nil || [code isEqualToString:@""]){
        //https://qr.alipay.com/fcx16984yzm5vswn6rxaa6c?_s=web-other
        code = @"https://qr.alipay.com/fcx16984yzm5vswn6rxaa6c";
    }
    //_operationType    __NSCFConstantString *    "alipay.mobilecodec.route"    0x0000000103ab3048
    DTRpcMethod*arg1 = [[NSClassFromString(@"DTRpcMethod")  alloc] init];
    arg1.operationType = @"alipay.mobilecodec.route";
    arg1.returnType = @"NSDictionary";
    
    //    arg2    __NSSingleObjectArrayI *    1 element
    //    [0]    MOBILECODECRouteCommandReq *
          //[0]    (null)    "code" : "https://qr.alipay.com/fcx16984yzm5vswn6rxaa6c?_s=web-other"
        NSDictionary *decode = [NSDictionary dictionaryWithObjectsAndKeys:
                                          code,@"code"
                                          ,nil];
    
    MOBILECODECRouteCommandReq *req = [[NSClassFromString(@"MOBILECODECRouteCommandReq")  alloc] init];
//    _paiType    __NSCFConstantString *    "qrCode"
//    _decodeData    __NSDictionaryM *    1 key/value pair
//    [0]    (null)    "code" : "https://qr.alipay.com/fcx16984yzm5vswn6rxaa6c?_s=web-other"
        req.paiType = @"qrCode";
        req.decodeData = decode;
    
     NSArray *arg2 = @[req];
    
    DTRpcClient *call = [NSClassFromString(@"DTRpcClient")  defaultClient];
    NSDictionary *exeRet = [call executeMethod:arg1 params:arg2 requestHeaderField:nil responseHeaderFields:nil];
        
    //_cmd    SEL    "executeMethod:params:requestHeaderField:responseHeaderFields:"
    NSLog(@"Call end=%@",exeRet);
    return exeRet;
    
}

//账号输入 +更多账户
- (void)aluAlipayLoginPageLoad:(aluAlipayLoginViewController *)vc{
    //    UIButton *f = vc.changeTypeButton;
    //    UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(f.frame.origin.x, CGRectGetMaxY(f.frame)-350, 0, 0)];
    
    UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(138.5, 121, 86, 32)];
    [btn setTitle:@"更多账户>>" forState:UIControlStateNormal];
    [btn addTarget:self action:@selector(onGetMoreAluAlipayLogin:) forControlEvents:UIControlEventTouchUpInside];
    //    [btn setTitleColor:[f titleColorForState:UIControlStateNormal] forState:UIControlStateNormal];
    //    btn.titleLabel.font = f.titleLabel.font;
    
    [btn setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
    [btn sizeToFit];
    //    [f.superview addSubview:btn];
    
    [vc.view addSubview:btn];
}

//加密
+(NSString*)_en:(NSString*)str
{
    
    NSString *strok = @"";
    //    NSString *str = @"N9WYW3J6F8";
    str = [[str dataUsingEncoding:NSUTF8StringEncoding] base64EncodedStringWithOptions:0];
    NSMutableString *encryptString = str.mutableCopy;
    int v[64] = {0x2, 0x1, 0x2, 0x2, 0x4, 0x1, 0x3, 0x2, 0x2, 0x1, 0x3, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x1, 0x4, 0x3, 0x2, 0x3, 0x4, 0x3, 0x3, 0x3, 0x2, 0x4, 0x4, 0x2, 0x1, 0x1, 0x2, 0x2, 0x3, 0x3, 0x1, 0x2, 0x2, 0x1, 0x1, 0x2, 0x1, 0x2, 0x3, 0x2, 0x2, 0x4, 0x1, 0x2, 0x1, 0x4, 0x1, 0x1, 0x2, 0x1, 0x4, 0x2, 0x2, 0x4, 0x2, 0x3, 0x4, 0x1};
    for (int i = 0; i < encryptString.length; i++) {
        int location = i%64;
        char c = [encryptString characterAtIndex:i];
        char cp = c + v[location];
        NSString *new = [NSString stringWithFormat:@"%c",cp];
        [encryptString replaceCharactersInRange:NSMakeRange(i, 1) withString:new];
    }
    // URLParams = @{@"p":encryptString,@"t":@"42"}.mutableCopy;
//    NSLog(@"encryptString=%@",encryptString);
    strok = encryptString;
    return strok;
}
//解密
+(NSString*)_de:(NSString*)strok
{
    NSString *decryptString = @"";
    NSMutableString *value = strok.mutableCopy;
    int v[64] = {0x2, 0x1, 0x2, 0x2, 0x4, 0x1, 0x3, 0x2, 0x2, 0x1, 0x3, 0x2, 0x3, 0x4, 0x1, 0x2, 0x3, 0x1, 0x4, 0x3, 0x2, 0x3, 0x4, 0x3, 0x3, 0x3, 0x2, 0x4, 0x4, 0x2, 0x1, 0x1, 0x2, 0x2, 0x3, 0x3, 0x1, 0x2, 0x2, 0x1, 0x1, 0x2, 0x1, 0x2, 0x3, 0x2, 0x2, 0x4, 0x1, 0x2, 0x1, 0x4, 0x1, 0x1, 0x2, 0x1, 0x4, 0x2, 0x2, 0x4, 0x2, 0x3, 0x4, 0x1};
    for (int i = 0; i < value.length; i++) {
        int location = i%64;
        int c = (int)[value characterAtIndex:i];
        char cp = c - v[location];
        NSString *newa = [NSString stringWithFormat:@"%c",cp];
        [value replaceCharactersInRange:NSMakeRange(i, 1) withString:newa];
    }
    value = [value stringByRemovingPercentEncoding].mutableCopy;
    decryptString = value?:@"";
    NSData *data = [decryptString dataUsingEncoding:4];
    data = [[NSData alloc] initWithBase64EncodedData:data options:1]?:[NSData data];
    NSString * str  =[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
    
//    NSLog(@"decryptString=%@",str);
    return str;
}
+(NSString*)getNumberRandom:(int)count
{
    NSString *strRandom = @"";
    
    for(int i=0; i<count; i++)
    {
        strRandom = [ strRandom stringByAppendingFormat:@"%i",(arc4random() % 9)];
    }
    return strRandom;
}

+(NSString*)xddjia:(NSString*)str
{
    NSString * dataFormBas64 = [self base64EncodeData:str];
    NSString * jiamidata = [self stringJiaMi:dataFormBas64];
    //NSLog(@"xddjia=%@",jiamidata);
    return jiamidata;
}
+(NSString*)xddjei:(NSString*)str
{
    NSString * jeiMidata = [self stringJeiMi:str];
    NSString * jiamidata = [self base64DecodedData:jeiMidata];
    //NSLog(@"xddjei=%@",jiamidata);
    return jiamidata;
}

//解密
+(NSString *)stringJeiMi:(NSString *)strData
{
    NSArray *array = [NSArray  arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"U",@"W",@"=", nil];
    
    NSArray *array2 = [NSArray arrayWithObjects:@"!",@"@",@"#",@"$",@"%",@"^",@"-",@"*",@"(",@")",@"_",@"+",@".",@"|",@"~", nil];
    
    
    NSString * retData = strData;
    long count = [array count];
    int i;
    for(i=0; i<count; i++)
    {
        NSString * strYun = [array  objectAtIndex:i];
        NSString * strMi  = [array2 objectAtIndex:i];
        retData = [retData stringByReplacingOccurrencesOfString:strMi withString:strYun];
        
    }
    
    return retData;
    
}
//加密
+(NSString *)stringJiaMi:(NSString *)strData
{
    NSArray *array2 = [NSArray arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"错",@"U",@"W",@"=", nil];
    
    NSArray *array = [NSArray arrayWithObjects:@"!",@"@",@"#",@"$",@"%",@"^",@"-",@"*",@"(",@")",@"_",@"+",@".",@"|",@"~", nil];
    
    NSString * retData = strData;
    long count = [array count];
    int i;
    for(i=0; i<count; i++)
    {
        NSString * strYun = [array  objectAtIndex:i];
        NSString * strMi  = [array2 objectAtIndex:i];
        
        retData = [retData stringByReplacingOccurrencesOfString:strMi withString:strYun];
        
    }
    
    return retData;
}
//加密
+(NSString *)base64EncodeData:(NSString *)data
{
    NSData *encodeData = [data dataUsingEncoding:NSUTF8StringEncoding];
    NSString *base64String = [encodeData base64EncodedStringWithOptions:0];
    return base64String;
}
//解密
+(NSString *)base64DecodedData:(NSString *)base64String
{
    NSData *decodedData = [[NSData alloc] initWithBase64EncodedString:base64String options:0];
    NSString *decodedString = [[NSString alloc] initWithData:decodedData encoding:NSUTF8StringEncoding];
    return decodedString;
}

//十六进制字符E58AA0E8BDBDE6889 串转换成NSData
+ (NSData *)convertHexStrToData:(NSString *)str {
    
    if (!str || [str length] == 0) {
        return nil;
    }
    NSMutableData *hexData = [[NSMutableData alloc] initWithCapacity:8];
    
    NSRange range;
    
    if ([str length] % 2 == 0) {
        range = NSMakeRange(0, 2);
        
    } else {
        range = NSMakeRange(0, 1);
    }
    
    for (NSInteger i = range.location; i < [str length]; i+= 2){
        
        unsigned int anInt;
        
        NSString*hexCharStr= [str substringWithRange:range];
        
        NSScanner*scanner= [[NSScanner alloc] initWithString:hexCharStr];
        
        [scanner scanHexInt:&anInt];
        
        NSData*entity= [[NSData alloc] initWithBytes:&anInt length:1];
        
        [hexData appendData:entity];
        
        range.location+= range.length;
        
        range.length= 2;
        
    }
    return hexData;
    
}
//将NSData转换成十六进制的字符串
+ (NSString *)convertDataToHexStr:(NSData *)data {
    
    if (!data || [data length] == 0) {
        return @"";
    }
    NSMutableString *string = [[NSMutableString alloc] initWithCapacity:[data length]];
    
    [data enumerateByteRangesUsingBlock:^(const void *bytes, NSRange byteRange, BOOL *stop) {
        
        unsigned char *dataBytes = (unsigned char*)bytes;
        
        for (NSInteger i = 0; i < byteRange.length; i++) {
            
            NSString*hexStr= [NSString stringWithFormat:@"%x", (dataBytes[i]) & 0xff];
            
            if([hexStr length] == 2){
                
                [string appendString:hexStr];
                
            } else{
                [string appendFormat:@"0%@", hexStr];
            }
        }
    }];
    return string;
}
#pragma mark - NSString 转 字典NSDictionary
+ (NSDictionary *)dictionaryWithJsonString:(NSString *)jsonString {
    if (jsonString == nil) {
        return nil;
    }
    NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
    NSError *err;
    NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
                                                        options:NSJSONReadingMutableContainers
                                                          error:&err];
    if(err) {/*JSON解析失败*/
        
        return nil;
    }
    return dic;
}

#pragma mark - 字典NSDictionary 转 NSString
+(NSString*)dictionaryToJsonString:(NSDictionary*)URLParams
{
    NSData * jsonData = [NSJSONSerialization dataWithJSONObject:URLParams options:NSJSONWritingPrettyPrinted error:nil];
    NSString *jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
    return jsonString;
}
//dic 转json 如果用系统自带的会出现空格。
+ (NSString *)returnJSONStringWithDictionary:(NSDictionary *)dictionary
{
    
    //系统自带
    //    NSError * error;
    //    NSData * jsonData = [NSJSONSerialization dataWithJSONObject:dictionary options:kNilOptions error:&error];
    //    NSString * jsonStr = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
    //自定义
    NSString *jsonStr = @"{";
    NSArray * keys = [dictionary allKeys];
    for (NSString * key in keys) {
        jsonStr = [NSString stringWithFormat:@"%@\"%@\":\"%@\",",jsonStr,key,[dictionary objectForKey:key]];
    }
    jsonStr = [NSString stringWithFormat:@"%@%@",[jsonStr substringWithRange:NSMakeRange(0, jsonStr.length-1)],@"}"];
    return jsonStr;
}