Auth revamp (#65)

* Auth revamp changes
* Update to new crt

Author: bretambrose

sdk/pom.xml

@@ -41,7 +41,7 @@
     <dependency>
       <groupId>software.amazon.awssdk.crt</groupId>
       <artifactId>aws-crt</artifactId>
-      <version>0.5.9</version>
+      <version>0.6.1</version>
       <scope>compile</scope>
     </dependency>
     <dependency>

sdk/src/main/java/software/amazon/awssdk/iot/AwsIotMqttConnectionBuilder.java

@@ -446,14 +446,12 @@ public MqttClientConnection build() {
                 }
 
                 try (AwsSigningConfig signingConfig = new AwsSigningConfig()) {
-                    signingConfig.setSigningAlgorithm(AwsSigningConfig.AwsSigningAlgorithm.SIGV4_QUERY_PARAM);
+                    signingConfig.setAlgorithm(AwsSigningConfig.AwsSigningAlgorithm.SIGV4);
+                    signingConfig.setSignatureType(AwsSigningConfig.AwsSignatureType.HTTP_REQUEST_VIA_QUERY_PARAMS);
                     signingConfig.setRegion(websocketSigningRegion);
                     signingConfig.setService(IOT_SIGNING_SERVICE);
                     signingConfig.setCredentialsProvider(websocketCredentialsProvider);
-                    signingConfig.setShouldSignParameter( (String headerName) ->  {
-                         String headerLowerCase = headerName.toLowerCase();
-                         return !headerLowerCase.equals(AMZ_DATE_HEADER) && !headerLowerCase.equals(AMZ_SECURITY_TOKEN_HEADER);
-                    });
+                    signingConfig.setOmitSessionToken(true);
 
                     try (AwsSigv4HandshakeTransformer transformer = new AwsSigv4HandshakeTransformer(signingConfig)) {
                         connectionConfig.setWebsocketHandshakeTransform(transformer);