Merge pull request #5 from oulinbao/master

bugfix: HMAC hash error

Author: wdwqw

main.cpp

@@ -49,7 +49,7 @@ void TestRequestWithBody() {
     shared_ptr<ConsoleLogSystem> log(cls);
     InitializeLogging(log);
 
-    HttpRequest request(URI("http://www.jdcloud-api.com/v1/regions/cn-north-1/instances?pageNumber=2&pageSize=10"), HttpMethod::HTTP_GET);
+    HttpRequest request(URI("http://www.jdcloud-api.com/v1/regions/cn-north-1/instances"), HttpMethod::HTTP_POST);
     request.SetHeaderValue(CONTENT_TYPE_HEADER, "application/json");
     request.SetHeaderValue(USER_AGENT_HEADER, "JdcloudSdkGo/1.0.2 vm/0.7.4");
 

src/JdcloudSigner.cpp

@@ -311,7 +311,8 @@ string JdcloudSigner::GenerateSignature(const string& stringToSign, const string
     }
 
     //now we finally sign our request string with our hex encoded derived hash.
-    auto finalSigningHash = hashResult.GetResult();
+    string result = hashResult.GetResult();
+    string finalSigningHash = HashingUtils::HexEncode((unsigned char*)result.c_str(), result.length());
     LOGSTREAM_DEBUG(logTag, "Final computed signing hash: " << finalSigningHash);
 
     return finalSigningHash;

src/util/crypto/Sha256HMAC.cpp

@@ -55,7 +55,8 @@ HashResult Sha256HMAC::Calculate(const string& toSign, const string& secret)
 
     HMAC_CTX_cleanup(m_ctx);
 
-    string result = HashingUtils::HexEncode(digest, length);;
+    string result((const char*) digest, length);
     free(digest);
+     
     return HashResult(result);
 }