From bed6f4511868bf1e7acd48d841f69c5cfc5e8b53 Mon Sep 17 00:00:00 2001
From: Sam Bisciglia <sbiscigl@amazon.com>
Date: Mon, 7 Nov 2022 17:30:58 +0000
Subject: [PATCH 1/2] fixes stream signing

---
 .../awsclientgenerator/velocity/cpp/ServiceClientSourceInit.vm  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code-generation/generator/src/main/resources/com/amazonaws/util/awsclientgenerator/velocity/cpp/ServiceClientSourceInit.vm b/code-generation/generator/src/main/resources/com/amazonaws/util/awsclientgenerator/velocity/cpp/ServiceClientSourceInit.vm
index dbb7f93f66b9..3ed1d80b96a7 100644
--- a/code-generation/generator/src/main/resources/com/amazonaws/util/awsclientgenerator/velocity/cpp/ServiceClientSourceInit.vm
+++ b/code-generation/generator/src/main/resources/com/amazonaws/util/awsclientgenerator/velocity/cpp/ServiceClientSourceInit.vm
@@ -62,7 +62,7 @@
 #set($clientConfigurationNamespace = "Client")
 #set($defaultCredentialsProviderChainParam = "Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG)")
 #set($simpleCredentialsProviderParam = "Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials)")
-#set($hasEventStreamInputOperation = $serviceModel.hasEventStreamOperationRequestShapes())
+#set($hasEventStreamInputOperation = $serviceModel.hasStreamingRequestShapes())
 #set($signerToMake = "AWSAuthV4Signer")
 #if($serviceModel.hasOnlyBearerAuth())
     #set($signerToMake = "Aws::Auth::BearerTokenAuthSignerProvider")

From 72ae2bd421319f2f87e4f1129dd7c171c6bc8476 Mon Sep 17 00:00:00 2001
From: Sam Bisciglia <sbiscigl@amazon.com>
Date: Mon, 7 Nov 2022 17:34:36 +0000
Subject: [PATCH 2/2] run code re-generation

---
 .../source/APIGatewayClient.cpp               | 24 +++++++++----------
 .../source/ApiGatewayManagementApiClient.cpp  | 24 +++++++++----------
 .../source/AppConfigClient.cpp                | 24 +++++++++----------
 .../source/BackupStorageClient.cpp            | 24 +++++++++----------
 .../source/CloudSearchDomainClient.cpp        | 24 +++++++++----------
 .../source/CodeGuruProfilerClient.cpp         | 24 +++++++++----------
 .../source/DataExchangeClient.cpp             | 24 +++++++++----------
 aws-cpp-sdk-ebs/source/EBSClient.cpp          | 24 +++++++++----------
 aws-cpp-sdk-glacier/source/GlacierClient.cpp  | 24 +++++++++----------
 .../source/IoTDataPlaneClient.cpp             | 24 +++++++++----------
 aws-cpp-sdk-lambda/source/LambdaClient.cpp    | 24 +++++++++----------
 .../source/LexRuntimeServiceClient.cpp        | 24 +++++++++----------
 .../source/LexRuntimeV2Client.cpp             | 24 +++++++++----------
 .../source/LookoutforVisionClient.cpp         | 24 +++++++++----------
 .../source/MediaStoreDataClient.cpp           | 24 +++++++++----------
 aws-cpp-sdk-mobile/source/MobileClient.cpp    | 24 +++++++++----------
 .../source/SageMakerRuntimeClient.cpp         | 24 +++++++++----------
 .../TranscribeStreamingServiceClient.cpp      | 24 +++++++++----------
 18 files changed, 216 insertions(+), 216 deletions(-)

diff --git a/aws-cpp-sdk-apigateway/source/APIGatewayClient.cpp b/aws-cpp-sdk-apigateway/source/APIGatewayClient.cpp
index 24aa68a3e694..a00a3b7af6e9 100644
--- a/aws-cpp-sdk-apigateway/source/APIGatewayClient.cpp
+++ b/aws-cpp-sdk-apigateway/source/APIGatewayClient.cpp
@@ -157,10 +157,10 @@ const char* APIGatewayClient::ALLOCATION_TAG = "APIGatewayClient";
 APIGatewayClient::APIGatewayClient(const APIGateway::APIGatewayClientConfiguration& clientConfiguration,
                                    std::shared_ptr<APIGatewayEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<APIGatewayErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -173,10 +173,10 @@ APIGatewayClient::APIGatewayClient(const AWSCredentials& credentials,
                                    std::shared_ptr<APIGatewayEndpointProviderBase> endpointProvider,
                                    const APIGateway::APIGatewayClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<APIGatewayErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -189,10 +189,10 @@ APIGatewayClient::APIGatewayClient(const std::shared_ptr<AWSCredentialsProvider>
                                    std::shared_ptr<APIGatewayEndpointProviderBase> endpointProvider,
                                    const APIGateway::APIGatewayClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<APIGatewayErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-apigatewaymanagementapi/source/ApiGatewayManagementApiClient.cpp b/aws-cpp-sdk-apigatewaymanagementapi/source/ApiGatewayManagementApiClient.cpp
index 78872d4bcdef..2214e9459d68 100644
--- a/aws-cpp-sdk-apigatewaymanagementapi/source/ApiGatewayManagementApiClient.cpp
+++ b/aws-cpp-sdk-apigatewaymanagementapi/source/ApiGatewayManagementApiClient.cpp
@@ -40,10 +40,10 @@ const char* ApiGatewayManagementApiClient::ALLOCATION_TAG = "ApiGatewayManagemen
 ApiGatewayManagementApiClient::ApiGatewayManagementApiClient(const ApiGatewayManagementApi::ApiGatewayManagementApiClientConfiguration& clientConfiguration,
                                                              std::shared_ptr<ApiGatewayManagementApiEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<ApiGatewayManagementApiErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -56,10 +56,10 @@ ApiGatewayManagementApiClient::ApiGatewayManagementApiClient(const AWSCredential
                                                              std::shared_ptr<ApiGatewayManagementApiEndpointProviderBase> endpointProvider,
                                                              const ApiGatewayManagementApi::ApiGatewayManagementApiClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<ApiGatewayManagementApiErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -72,10 +72,10 @@ ApiGatewayManagementApiClient::ApiGatewayManagementApiClient(const std::shared_p
                                                              std::shared_ptr<ApiGatewayManagementApiEndpointProviderBase> endpointProvider,
                                                              const ApiGatewayManagementApi::ApiGatewayManagementApiClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<ApiGatewayManagementApiErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-appconfig/source/AppConfigClient.cpp b/aws-cpp-sdk-appconfig/source/AppConfigClient.cpp
index 31d280d32ea7..75952b6da869 100644
--- a/aws-cpp-sdk-appconfig/source/AppConfigClient.cpp
+++ b/aws-cpp-sdk-appconfig/source/AppConfigClient.cpp
@@ -79,10 +79,10 @@ const char* AppConfigClient::ALLOCATION_TAG = "AppConfigClient";
 AppConfigClient::AppConfigClient(const AppConfig::AppConfigClientConfiguration& clientConfiguration,
                                  std::shared_ptr<AppConfigEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<AppConfigErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -95,10 +95,10 @@ AppConfigClient::AppConfigClient(const AWSCredentials& credentials,
                                  std::shared_ptr<AppConfigEndpointProviderBase> endpointProvider,
                                  const AppConfig::AppConfigClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<AppConfigErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -111,10 +111,10 @@ AppConfigClient::AppConfigClient(const std::shared_ptr<AWSCredentialsProvider>&
                                  std::shared_ptr<AppConfigEndpointProviderBase> endpointProvider,
                                  const AppConfig::AppConfigClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<AppConfigErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-backupstorage/source/BackupStorageClient.cpp b/aws-cpp-sdk-backupstorage/source/BackupStorageClient.cpp
index ca187d5f345c..ad87a12d0662 100644
--- a/aws-cpp-sdk-backupstorage/source/BackupStorageClient.cpp
+++ b/aws-cpp-sdk-backupstorage/source/BackupStorageClient.cpp
@@ -46,10 +46,10 @@ const char* BackupStorageClient::ALLOCATION_TAG = "BackupStorageClient";
 BackupStorageClient::BackupStorageClient(const BackupStorage::BackupStorageClientConfiguration& clientConfiguration,
                                          std::shared_ptr<BackupStorageEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<BackupStorageErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -62,10 +62,10 @@ BackupStorageClient::BackupStorageClient(const AWSCredentials& credentials,
                                          std::shared_ptr<BackupStorageEndpointProviderBase> endpointProvider,
                                          const BackupStorage::BackupStorageClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<BackupStorageErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -78,10 +78,10 @@ BackupStorageClient::BackupStorageClient(const std::shared_ptr<AWSCredentialsPro
                                          std::shared_ptr<BackupStorageEndpointProviderBase> endpointProvider,
                                          const BackupStorage::BackupStorageClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<BackupStorageErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-cloudsearchdomain/source/CloudSearchDomainClient.cpp b/aws-cpp-sdk-cloudsearchdomain/source/CloudSearchDomainClient.cpp
index a08032db4be8..2aa25e43fd69 100644
--- a/aws-cpp-sdk-cloudsearchdomain/source/CloudSearchDomainClient.cpp
+++ b/aws-cpp-sdk-cloudsearchdomain/source/CloudSearchDomainClient.cpp
@@ -40,10 +40,10 @@ const char* CloudSearchDomainClient::ALLOCATION_TAG = "CloudSearchDomainClient";
 CloudSearchDomainClient::CloudSearchDomainClient(const CloudSearchDomain::CloudSearchDomainClientConfiguration& clientConfiguration,
                                                  std::shared_ptr<CloudSearchDomainEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<CloudSearchDomainErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -56,10 +56,10 @@ CloudSearchDomainClient::CloudSearchDomainClient(const AWSCredentials& credentia
                                                  std::shared_ptr<CloudSearchDomainEndpointProviderBase> endpointProvider,
                                                  const CloudSearchDomain::CloudSearchDomainClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<CloudSearchDomainErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -72,10 +72,10 @@ CloudSearchDomainClient::CloudSearchDomainClient(const std::shared_ptr<AWSCreden
                                                  std::shared_ptr<CloudSearchDomainEndpointProviderBase> endpointProvider,
                                                  const CloudSearchDomain::CloudSearchDomainClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<CloudSearchDomainErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-codeguruprofiler/source/CodeGuruProfilerClient.cpp b/aws-cpp-sdk-codeguruprofiler/source/CodeGuruProfilerClient.cpp
index 5255a8da5035..03291388596f 100644
--- a/aws-cpp-sdk-codeguruprofiler/source/CodeGuruProfilerClient.cpp
+++ b/aws-cpp-sdk-codeguruprofiler/source/CodeGuruProfilerClient.cpp
@@ -60,10 +60,10 @@ const char* CodeGuruProfilerClient::ALLOCATION_TAG = "CodeGuruProfilerClient";
 CodeGuruProfilerClient::CodeGuruProfilerClient(const CodeGuruProfiler::CodeGuruProfilerClientConfiguration& clientConfiguration,
                                                std::shared_ptr<CodeGuruProfilerEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<CodeGuruProfilerErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -76,10 +76,10 @@ CodeGuruProfilerClient::CodeGuruProfilerClient(const AWSCredentials& credentials
                                                std::shared_ptr<CodeGuruProfilerEndpointProviderBase> endpointProvider,
                                                const CodeGuruProfiler::CodeGuruProfilerClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<CodeGuruProfilerErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -92,10 +92,10 @@ CodeGuruProfilerClient::CodeGuruProfilerClient(const std::shared_ptr<AWSCredenti
                                                std::shared_ptr<CodeGuruProfilerEndpointProviderBase> endpointProvider,
                                                const CodeGuruProfiler::CodeGuruProfilerClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<CodeGuruProfilerErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-dataexchange/source/DataExchangeClient.cpp b/aws-cpp-sdk-dataexchange/source/DataExchangeClient.cpp
index b653114dd17b..cffa50e7479c 100644
--- a/aws-cpp-sdk-dataexchange/source/DataExchangeClient.cpp
+++ b/aws-cpp-sdk-dataexchange/source/DataExchangeClient.cpp
@@ -66,10 +66,10 @@ const char* DataExchangeClient::ALLOCATION_TAG = "DataExchangeClient";
 DataExchangeClient::DataExchangeClient(const DataExchange::DataExchangeClientConfiguration& clientConfiguration,
                                        std::shared_ptr<DataExchangeEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<DataExchangeErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -82,10 +82,10 @@ DataExchangeClient::DataExchangeClient(const AWSCredentials& credentials,
                                        std::shared_ptr<DataExchangeEndpointProviderBase> endpointProvider,
                                        const DataExchange::DataExchangeClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<DataExchangeErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -98,10 +98,10 @@ DataExchangeClient::DataExchangeClient(const std::shared_ptr<AWSCredentialsProvi
                                        std::shared_ptr<DataExchangeEndpointProviderBase> endpointProvider,
                                        const DataExchange::DataExchangeClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<DataExchangeErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-ebs/source/EBSClient.cpp b/aws-cpp-sdk-ebs/source/EBSClient.cpp
index 6b13eb0cbb86..14db80426a29 100644
--- a/aws-cpp-sdk-ebs/source/EBSClient.cpp
+++ b/aws-cpp-sdk-ebs/source/EBSClient.cpp
@@ -43,10 +43,10 @@ const char* EBSClient::ALLOCATION_TAG = "EBSClient";
 EBSClient::EBSClient(const EBS::EBSClientConfiguration& clientConfiguration,
                      std::shared_ptr<EBSEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<EBSErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -59,10 +59,10 @@ EBSClient::EBSClient(const AWSCredentials& credentials,
                      std::shared_ptr<EBSEndpointProviderBase> endpointProvider,
                      const EBS::EBSClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<EBSErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -75,10 +75,10 @@ EBSClient::EBSClient(const std::shared_ptr<AWSCredentialsProvider>& credentialsP
                      std::shared_ptr<EBSEndpointProviderBase> endpointProvider,
                      const EBS::EBSClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<EBSErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-glacier/source/GlacierClient.cpp b/aws-cpp-sdk-glacier/source/GlacierClient.cpp
index 74acc6e78c2f..b8340f266a17 100644
--- a/aws-cpp-sdk-glacier/source/GlacierClient.cpp
+++ b/aws-cpp-sdk-glacier/source/GlacierClient.cpp
@@ -70,10 +70,10 @@ const char* GlacierClient::ALLOCATION_TAG = "GlacierClient";
 GlacierClient::GlacierClient(const Glacier::GlacierClientConfiguration& clientConfiguration,
                              std::shared_ptr<GlacierEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<GlacierErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -86,10 +86,10 @@ GlacierClient::GlacierClient(const AWSCredentials& credentials,
                              std::shared_ptr<GlacierEndpointProviderBase> endpointProvider,
                              const Glacier::GlacierClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<GlacierErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -102,10 +102,10 @@ GlacierClient::GlacierClient(const std::shared_ptr<AWSCredentialsProvider>& cred
                              std::shared_ptr<GlacierEndpointProviderBase> endpointProvider,
                              const Glacier::GlacierClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<GlacierErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-iot-data/source/IoTDataPlaneClient.cpp b/aws-cpp-sdk-iot-data/source/IoTDataPlaneClient.cpp
index fd97a7c3253f..fdde488c13f2 100644
--- a/aws-cpp-sdk-iot-data/source/IoTDataPlaneClient.cpp
+++ b/aws-cpp-sdk-iot-data/source/IoTDataPlaneClient.cpp
@@ -44,10 +44,10 @@ const char* IoTDataPlaneClient::ALLOCATION_TAG = "IoTDataPlaneClient";
 IoTDataPlaneClient::IoTDataPlaneClient(const IoTDataPlane::IoTDataPlaneClientConfiguration& clientConfiguration,
                                        std::shared_ptr<IoTDataPlaneEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<IoTDataPlaneErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -60,10 +60,10 @@ IoTDataPlaneClient::IoTDataPlaneClient(const AWSCredentials& credentials,
                                        std::shared_ptr<IoTDataPlaneEndpointProviderBase> endpointProvider,
                                        const IoTDataPlane::IoTDataPlaneClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<IoTDataPlaneErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -76,10 +76,10 @@ IoTDataPlaneClient::IoTDataPlaneClient(const std::shared_ptr<AWSCredentialsProvi
                                        std::shared_ptr<IoTDataPlaneEndpointProviderBase> endpointProvider,
                                        const IoTDataPlane::IoTDataPlaneClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<IoTDataPlaneErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-lambda/source/LambdaClient.cpp b/aws-cpp-sdk-lambda/source/LambdaClient.cpp
index 47afd8f4b3f6..c8ee3762d0db 100644
--- a/aws-cpp-sdk-lambda/source/LambdaClient.cpp
+++ b/aws-cpp-sdk-lambda/source/LambdaClient.cpp
@@ -99,10 +99,10 @@ const char* LambdaClient::ALLOCATION_TAG = "LambdaClient";
 LambdaClient::LambdaClient(const Lambda::LambdaClientConfiguration& clientConfiguration,
                            std::shared_ptr<LambdaEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LambdaErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -115,10 +115,10 @@ LambdaClient::LambdaClient(const AWSCredentials& credentials,
                            std::shared_ptr<LambdaEndpointProviderBase> endpointProvider,
                            const Lambda::LambdaClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LambdaErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -131,10 +131,10 @@ LambdaClient::LambdaClient(const std::shared_ptr<AWSCredentialsProvider>& creden
                            std::shared_ptr<LambdaEndpointProviderBase> endpointProvider,
                            const Lambda::LambdaClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LambdaErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-lex/source/LexRuntimeServiceClient.cpp b/aws-cpp-sdk-lex/source/LexRuntimeServiceClient.cpp
index 094d71be1078..626db55ae272 100644
--- a/aws-cpp-sdk-lex/source/LexRuntimeServiceClient.cpp
+++ b/aws-cpp-sdk-lex/source/LexRuntimeServiceClient.cpp
@@ -42,10 +42,10 @@ const char* LexRuntimeServiceClient::ALLOCATION_TAG = "LexRuntimeServiceClient";
 LexRuntimeServiceClient::LexRuntimeServiceClient(const LexRuntimeService::LexRuntimeServiceClientConfiguration& clientConfiguration,
                                                  std::shared_ptr<LexRuntimeServiceEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LexRuntimeServiceErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -58,10 +58,10 @@ LexRuntimeServiceClient::LexRuntimeServiceClient(const AWSCredentials& credentia
                                                  std::shared_ptr<LexRuntimeServiceEndpointProviderBase> endpointProvider,
                                                  const LexRuntimeService::LexRuntimeServiceClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LexRuntimeServiceErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -74,10 +74,10 @@ LexRuntimeServiceClient::LexRuntimeServiceClient(const std::shared_ptr<AWSCreden
                                                  std::shared_ptr<LexRuntimeServiceEndpointProviderBase> endpointProvider,
                                                  const LexRuntimeService::LexRuntimeServiceClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LexRuntimeServiceErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-lexv2-runtime/source/LexRuntimeV2Client.cpp b/aws-cpp-sdk-lexv2-runtime/source/LexRuntimeV2Client.cpp
index 71cc536416ba..04f5f47908b0 100644
--- a/aws-cpp-sdk-lexv2-runtime/source/LexRuntimeV2Client.cpp
+++ b/aws-cpp-sdk-lexv2-runtime/source/LexRuntimeV2Client.cpp
@@ -44,10 +44,10 @@ const char* LexRuntimeV2Client::ALLOCATION_TAG = "LexRuntimeV2Client";
 LexRuntimeV2Client::LexRuntimeV2Client(const LexRuntimeV2::LexRuntimeV2ClientConfiguration& clientConfiguration,
                                        std::shared_ptr<LexRuntimeV2EndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LexRuntimeV2ErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -60,10 +60,10 @@ LexRuntimeV2Client::LexRuntimeV2Client(const AWSCredentials& credentials,
                                        std::shared_ptr<LexRuntimeV2EndpointProviderBase> endpointProvider,
                                        const LexRuntimeV2::LexRuntimeV2ClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LexRuntimeV2ErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -76,10 +76,10 @@ LexRuntimeV2Client::LexRuntimeV2Client(const std::shared_ptr<AWSCredentialsProvi
                                        std::shared_ptr<LexRuntimeV2EndpointProviderBase> endpointProvider,
                                        const LexRuntimeV2::LexRuntimeV2ClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LexRuntimeV2ErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-lookoutvision/source/LookoutforVisionClient.cpp b/aws-cpp-sdk-lookoutvision/source/LookoutforVisionClient.cpp
index b40b6e4e5008..42d7e253111e 100644
--- a/aws-cpp-sdk-lookoutvision/source/LookoutforVisionClient.cpp
+++ b/aws-cpp-sdk-lookoutvision/source/LookoutforVisionClient.cpp
@@ -59,10 +59,10 @@ const char* LookoutforVisionClient::ALLOCATION_TAG = "LookoutforVisionClient";
 LookoutforVisionClient::LookoutforVisionClient(const LookoutforVision::LookoutforVisionClientConfiguration& clientConfiguration,
                                                std::shared_ptr<LookoutforVisionEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LookoutforVisionErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -75,10 +75,10 @@ LookoutforVisionClient::LookoutforVisionClient(const AWSCredentials& credentials
                                                std::shared_ptr<LookoutforVisionEndpointProviderBase> endpointProvider,
                                                const LookoutforVision::LookoutforVisionClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LookoutforVisionErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -91,10 +91,10 @@ LookoutforVisionClient::LookoutforVisionClient(const std::shared_ptr<AWSCredenti
                                                std::shared_ptr<LookoutforVisionEndpointProviderBase> endpointProvider,
                                                const LookoutforVision::LookoutforVisionClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<LookoutforVisionErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-mediastore-data/source/MediaStoreDataClient.cpp b/aws-cpp-sdk-mediastore-data/source/MediaStoreDataClient.cpp
index c1d5499689da..3ac737f06c0b 100644
--- a/aws-cpp-sdk-mediastore-data/source/MediaStoreDataClient.cpp
+++ b/aws-cpp-sdk-mediastore-data/source/MediaStoreDataClient.cpp
@@ -42,10 +42,10 @@ const char* MediaStoreDataClient::ALLOCATION_TAG = "MediaStoreDataClient";
 MediaStoreDataClient::MediaStoreDataClient(const MediaStoreData::MediaStoreDataClientConfiguration& clientConfiguration,
                                            std::shared_ptr<MediaStoreDataEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<MediaStoreDataErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -58,10 +58,10 @@ MediaStoreDataClient::MediaStoreDataClient(const AWSCredentials& credentials,
                                            std::shared_ptr<MediaStoreDataEndpointProviderBase> endpointProvider,
                                            const MediaStoreData::MediaStoreDataClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<MediaStoreDataErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -74,10 +74,10 @@ MediaStoreDataClient::MediaStoreDataClient(const std::shared_ptr<AWSCredentialsP
                                            std::shared_ptr<MediaStoreDataEndpointProviderBase> endpointProvider,
                                            const MediaStoreData::MediaStoreDataClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<MediaStoreDataErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-mobile/source/MobileClient.cpp b/aws-cpp-sdk-mobile/source/MobileClient.cpp
index a6b6adaa1ab0..44c150794564 100644
--- a/aws-cpp-sdk-mobile/source/MobileClient.cpp
+++ b/aws-cpp-sdk-mobile/source/MobileClient.cpp
@@ -46,10 +46,10 @@ const char* MobileClient::ALLOCATION_TAG = "MobileClient";
 MobileClient::MobileClient(const Mobile::MobileClientConfiguration& clientConfiguration,
                            std::shared_ptr<MobileEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<MobileErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -62,10 +62,10 @@ MobileClient::MobileClient(const AWSCredentials& credentials,
                            std::shared_ptr<MobileEndpointProviderBase> endpointProvider,
                            const Mobile::MobileClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<MobileErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -78,10 +78,10 @@ MobileClient::MobileClient(const std::shared_ptr<AWSCredentialsProvider>& creden
                            std::shared_ptr<MobileEndpointProviderBase> endpointProvider,
                            const Mobile::MobileClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<MobileErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-sagemaker-runtime/source/SageMakerRuntimeClient.cpp b/aws-cpp-sdk-sagemaker-runtime/source/SageMakerRuntimeClient.cpp
index d6c71cfc77ff..e4cbedfec6bc 100644
--- a/aws-cpp-sdk-sagemaker-runtime/source/SageMakerRuntimeClient.cpp
+++ b/aws-cpp-sdk-sagemaker-runtime/source/SageMakerRuntimeClient.cpp
@@ -39,10 +39,10 @@ const char* SageMakerRuntimeClient::ALLOCATION_TAG = "SageMakerRuntimeClient";
 SageMakerRuntimeClient::SageMakerRuntimeClient(const SageMakerRuntime::SageMakerRuntimeClientConfiguration& clientConfiguration,
                                                std::shared_ptr<SageMakerRuntimeEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<SageMakerRuntimeErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -55,10 +55,10 @@ SageMakerRuntimeClient::SageMakerRuntimeClient(const AWSCredentials& credentials
                                                std::shared_ptr<SageMakerRuntimeEndpointProviderBase> endpointProvider,
                                                const SageMakerRuntime::SageMakerRuntimeClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<SageMakerRuntimeErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -71,10 +71,10 @@ SageMakerRuntimeClient::SageMakerRuntimeClient(const std::shared_ptr<AWSCredenti
                                                std::shared_ptr<SageMakerRuntimeEndpointProviderBase> endpointProvider,
                                                const SageMakerRuntime::SageMakerRuntimeClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<SageMakerRuntimeErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
diff --git a/aws-cpp-sdk-transcribestreaming/source/TranscribeStreamingServiceClient.cpp b/aws-cpp-sdk-transcribestreaming/source/TranscribeStreamingServiceClient.cpp
index 2e19393fac39..4f1008684712 100644
--- a/aws-cpp-sdk-transcribestreaming/source/TranscribeStreamingServiceClient.cpp
+++ b/aws-cpp-sdk-transcribestreaming/source/TranscribeStreamingServiceClient.cpp
@@ -40,10 +40,10 @@ const char* TranscribeStreamingServiceClient::ALLOCATION_TAG = "TranscribeStream
 TranscribeStreamingServiceClient::TranscribeStreamingServiceClient(const TranscribeStreamingService::TranscribeStreamingServiceClientConfiguration& clientConfiguration,
                                                                    std::shared_ptr<TranscribeStreamingServiceEndpointProviderBase> endpointProvider) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<DefaultAWSCredentialsProviderChain>(ALLOCATION_TAG),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<TranscribeStreamingServiceErrorMarshaller>(ALLOCATION_TAG)),
   m_clientConfiguration(clientConfiguration),
   m_executor(clientConfiguration.executor),
@@ -56,10 +56,10 @@ TranscribeStreamingServiceClient::TranscribeStreamingServiceClient(const AWSCred
                                                                    std::shared_ptr<TranscribeStreamingServiceEndpointProviderBase> endpointProvider,
                                                                    const TranscribeStreamingService::TranscribeStreamingServiceClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  Aws::MakeShared<SimpleAWSCredentialsProvider>(ALLOCATION_TAG, credentials),
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<TranscribeStreamingServiceErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),
@@ -72,10 +72,10 @@ TranscribeStreamingServiceClient::TranscribeStreamingServiceClient(const std::sh
                                                                    std::shared_ptr<TranscribeStreamingServiceEndpointProviderBase> endpointProvider,
                                                                    const TranscribeStreamingService::TranscribeStreamingServiceClientConfiguration& clientConfiguration) :
   BASECLASS(clientConfiguration,
-            Aws::MakeShared<AWSAuthV4Signer>(ALLOCATION_TAG,
-                                             credentialsProvider,
-                                             SERVICE_NAME,
-                                             Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
+            Aws::MakeShared<Aws::Auth::DefaultAuthSignerProvider>(ALLOCATION_TAG,
+                                                                  credentialsProvider,
+                                                                  SERVICE_NAME,
+                                                                  Aws::Region::ComputeSignerRegion(clientConfiguration.region)),
             Aws::MakeShared<TranscribeStreamingServiceErrorMarshaller>(ALLOCATION_TAG)),
     m_clientConfiguration(clientConfiguration),
     m_executor(clientConfiguration.executor),