private trafficMessage DecryptMessageAfterResponse(trafficMessage msgEncrypt)
{
trafficMessage msgSource = new trafficMessage();
msgSource.transCode = msgEncrypt.transCode;
msgSource.merId = msgEncrypt.merId;
msgSource.extend = msgEncrypt.extend;
msgSource.encryptKey = CryptUtils.getStringFromBytes(CryptUtils.RSADecrypt(CryptUtils.getPrivateKeyXmlFromPFX(pfxFilePath, pfxPassword).PrivateKey.ToXmlString(true),
CryptUtils.Base64Decoder(msgEncrypt.encryptKey)), encodeCode);
log.Write("Decrypted remote AESkey [" + msgSource.encryptKey + "]");
//log.Write("encryptKey[" + msgSource.encryptKey + "]);
byte[] sourceByte = CryptUtils.AESDecrypt(CryptUtils.Base64Decoder(msgEncrypt.encryptData),
msgSource.encryptKey);
msgSource.encryptData = CryptUtils.getStringFromBytes(sourceByte, encodeCode);
// log.Write("encryptData[" + msgSource.encryptData + "][" + msgEncrypt.encryptData + "]");
msgSource.sign =
CryptUtils.VerifySignWithPublicKey(
sourceByte,
CryptUtils.getPublicKeyXmlFromCer(cerFilePath),
CryptUtils.Base64Decoder(msgEncrypt.sign)
).ToString();
// log.Write("sign[" + msgSource.sign + "][" + msgEncrypt.sign + "]");
//需要添加引用 System.Web
return(msgSource);
}
private trafficMessage UrlDecodeMessage(string msgResponse)
{
trafficMessage msgEncrypt = new trafficMessage();
string[] EncryptBody = msgResponse.Split('&');
for (int i = 0; i < EncryptBody.Length; i++)
{
string[] tmp = EncryptBody[i].Split('=');
switch (tmp[0])
{
//需要添加引用System.Web，用于url转码，处理base64产生的+/=
case "transCode": msgEncrypt.transCode = System.Web.HttpUtility.UrlDecode(EncryptBody[i].Replace("transCode=", "").Trim('"')); break;
case "merId": msgEncrypt.merId = System.Web.HttpUtility.UrlDecode(EncryptBody[i].Replace("merId=", "").Trim('"')); break;
case "encryptKey": msgEncrypt.encryptKey = System.Web.HttpUtility.UrlDecode(EncryptBody[i].Replace("encryptKey=", "").Trim('"')); break;
case "encryptData": msgEncrypt.encryptData = System.Web.HttpUtility.UrlDecode(EncryptBody[i].Replace("encryptData=", "").Trim('"')); break;
case "sign": msgEncrypt.sign = System.Web.HttpUtility.UrlDecode(EncryptBody[i].Replace("sign=", "").Trim('"')); break;
case "extend": msgEncrypt.extend = System.Web.HttpUtility.UrlDecode(EncryptBody[i].Replace("extend=", "").Trim('"')); break;
}
}
return(msgEncrypt);
}
private trafficMessage EncryptMessageBeforePost(trafficMessage msgSource)
{
trafficMessage msgEncrypt = new trafficMessage();
//随机生成16位密钥
msgSource.encryptKey = CryptUtils.GuidTo16String();
log.Write("Generated local AESkey [" + msgSource.encryptKey + "]");
//encryptKey加密，杉德公钥RSA加密
msgEncrypt.encryptKey = CryptUtils.Base64Encoder(CryptUtils.RSAEncrypt(CryptUtils.getPublicKeyXmlFromCer(cerFilePath).PublicKey.Key.ToXmlString(false),
CryptUtils.getBytesFromString(msgSource.encryptKey, encodeCode)));
//log.Write("encryptKey[" + msgSource.encryptKey + "][" + msgEncrypt.encryptKey + "]");
msgEncrypt.transCode = msgSource.transCode;
msgEncrypt.merId = msgSource.merId;
msgEncrypt.extend = msgSource.extend;
//encryptData加密，AES加密
msgEncrypt.encryptData = CryptUtils.Base64Encoder(CryptUtils.AESEncrypt(CryptUtils.getBytesFromString(msgSource.encryptData, encodeCode),
msgSource.encryptKey));
//log.Write("encryptData[" + msgSource.encryptData + "][" + msgEncrypt.encryptData + "]");
msgEncrypt.sign = CryptUtils.Base64Encoder(CryptUtils.CreateSignWithPrivateKey(CryptUtils.getBytesFromString(msgSource.encryptData, encodeCode),
CryptUtils.getPrivateKeyXmlFromPFX(pfxFilePath, pfxPassword)));
//log.Write("sign[" + msgEncrypt.sign + "]");
return(msgEncrypt);
}
private string UrlEncodeMessage(trafficMessage msgRequest)
{
//需要添加引用System.Web，用于url转码，处理base64产生的+/=
return("charset=" + System.Web.HttpUtility.UrlEncode(msgRequest.charset) + "&" +
"signType=" + System.Web.HttpUtility.UrlEncode(msgRequest.signType) + "&" +
"data=" + System.Web.HttpUtility.UrlEncode(msgRequest.data) + "&" +
"sign=" + System.Web.HttpUtility.UrlEncode(msgRequest.sign) + "&" +
"extend=" + System.Web.HttpUtility.UrlEncode(msgRequest.extend));
}
private string UrlEncodeMessage(trafficMessage msgRequest)
{
//需要添加引用System.Web，用于url转码，处理base64产生的+/=
return("transCode=" + System.Web.HttpUtility.UrlEncode(msgRequest.transCode) + "&" +
"merId=" + System.Web.HttpUtility.UrlEncode(msgRequest.merId) + "&" +
"encryptKey=" + System.Web.HttpUtility.UrlEncode(msgRequest.encryptKey) + "&" +
"encryptData=" + System.Web.HttpUtility.UrlEncode(msgRequest.encryptData) + "&" +
"sign=" + System.Web.HttpUtility.UrlEncode(msgRequest.sign) + "&" +
"extend=" + System.Web.HttpUtility.UrlEncode(msgRequest.extend));
}
public trafficMessage postMessage(string serverUrl, trafficMessage requestSourceMessage)
{
trafficMessage responseMessage = new trafficMessage();
try
{
string requestString = UrlEncodeMessage(SignMessageBeforePost(requestSourceMessage));
string responseString = HttpUtils.HttpPost(serverUrl, requestString, encodeCode);
responseMessage = CheckSignMessageAfterResponse(UrlDecodeMessage(responseString));
}
catch (Exception er)
{
Console.WriteLine(er.ToString());
}
return(responseMessage);
}
private trafficMessage SignMessageBeforePost(trafficMessage msgSource)
{
trafficMessage msgEncrypt = new trafficMessage();
//获取报文字符集
this.encodeCode = Encoding.GetEncoding(msgSource.charset);
msgEncrypt.charset = msgSource.charset;
msgEncrypt.signType = msgSource.signType;
msgEncrypt.extend = msgSource.extend;
msgEncrypt.data = msgSource.data;
//报文签名
msgEncrypt.sign = CryptUtils.Base64Encoder(CryptUtils.CreateSignWithPrivateKey(CryptUtils.getBytesFromString(msgSource.data, encodeCode),
CryptUtils.getPrivateKeyXmlFromPFX(pfxFilePath, pfxPassword)));
return(msgEncrypt);
}
private trafficMessage CheckSignMessageAfterResponse(trafficMessage msgEncrypt)
{
trafficMessage msgSource = new trafficMessage();
//获取报文字符集
this.encodeCode = Encoding.GetEncoding(msgEncrypt.charset);
msgSource.charset = msgEncrypt.charset;
msgSource.signType = msgEncrypt.signType;
msgSource.extend = msgEncrypt.extend;
msgSource.data = msgEncrypt.data;
msgSource.sign = CryptUtils.VerifySignWithPublicKey(
(CryptUtils.getBytesFromString(msgEncrypt.data, encodeCode)),
CryptUtils.getPublicKeyXmlFromCer(cerFilePath),
CryptUtils.Base64Decoder(msgEncrypt.sign)
).ToString();
return(msgSource);
}
public trafficMessage postMessage(string serverUrl, trafficMessage requestSourceMessage)
{
trafficMessage responseMessage = new trafficMessage();
try
{
string requestString = UrlEncodeMessage(EncryptMessageBeforePost(requestSourceMessage));
//log.Write("url:" + serverUrl);
log.Write("request ==>[" + requestString + "]");
string responseString = HttpUtils.HttpPost(serverUrl, requestString, encodeCode);
log.Write("response <==[" + responseString + "]");
responseMessage = DecryptMessageAfterResponse(UrlDecodeMessage(responseString));
}
catch (Exception er)
{
log.Write(er.ToString());
}
return(responseMessage);
}
public trafficMessage postMessage(string serverUrl, trafficMessage requestSourceMessage)
{
trafficMessage responseMessage = new trafficMessage();
// try
{
string requestString = UrlEncodeMessage(SignMessageBeforePost(requestSourceMessage));
//Console.WriteLine("url:" + serverUrl);
Logger.Logging(loggerHeader, "request ==>[" + requestString + "]", true);
string responseString = HttpUtils.HttpPost(serverUrl, requestString, encodeCode);
Logger.Logging(loggerHeader, "response <==[" + responseString + "]", true);
responseMessage = CheckSignMessageAfterResponse(UrlDecodeMessage(responseString));
}
// catch (Exception er)
{
// Console.WriteLine(er.ToString());
}
return(responseMessage);
}
private trafficMessage UrlDecodeMessage(string msgResponse)
{
trafficMessage msgEncrypt = new trafficMessage();
string[] EncryptBody = System.Web.HttpUtility.UrlDecode(msgResponse).Split('&');
for (int i = 0; i < EncryptBody.Length; i++)
{
string[] tmp = EncryptBody[i].Split('=');
switch (tmp[0])
{
//需要添加引用System.Web，用于url转码，处理base64产生的+/=
case "charset": msgEncrypt.charset = EncryptBody[i].Replace("charset=", "").Trim('"'); break;
case "signType": msgEncrypt.signType = EncryptBody[i].Replace("signType=", "").Trim('"'); break;
case "data": msgEncrypt.data = EncryptBody[i].Replace("data=", "").Trim('"'); break;
case "sign": msgEncrypt.sign = EncryptBody[i].Replace("sign=", "").Trim('"'); break;
case "extend": msgEncrypt.extend = EncryptBody[i].Replace("extend=", "").Trim('"'); break;
}
}
return(msgEncrypt);
}
