Consolidate Base64Url helper methods into Azure.Core shared source (Azure#17784)

* Consolidate Base64Url helper methods into Azure.Core shared source

* updating Azure.Communication.Common

* addressing pr feedback

* removing unused code AadIdentityClient and HexToBase64Url

Author: schaabs

sdk/attestation/Azure.Security.Attestation/src/AttestationToken.cs

@@ -8,7 +8,6 @@
 using Azure.Core;
 using Azure.Security.Attestation.Models;
 using System.Security.Cryptography.X509Certificates;
-using Azure.Security.Attestation.Common;
 using System.Text;
 
 namespace Azure.Security.Attestation

sdk/attestation/Azure.Security.Attestation/src/Azure.Security.Attestation.csproj

@@ -24,6 +24,7 @@
     <Compile Include="$(AzureCoreSharedSources)TaskExtensions.cs" Link="Shared\%(RecursiveDir)\%(Filename)%(Extension)" />
     <Compile Include="$(AzureCoreSharedSources)OperationHelpers.cs" Link="Shared\%(RecursiveDir)\%(Filename)%(Extension)" />
     <Compile Include="$(AzureCoreSharedSources)AzureResourceProviderNamespaceAttribute.cs" Link="Shared\%(RecursiveDir)\%(Filename)%(Extension)" />
+    <Compile Include="$(AzureCoreSharedSources)Base64Url.cs" Link="Shared\%(RecursiveDir)\%(Filename)%(Extension)" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="Azure.Security.Attestation.Designer.cs">

sdk/attestation/Azure.Security.Attestation/src/Base64Url.cs

@@ -6,7 +6,6 @@
 using System.Collections.Generic;
 using System.Text.Json.Serialization;
 using Azure.Core;
-using Azure.Security.Attestation.Common;
 using System.Runtime.CompilerServices;
 
 namespace Azure.Security.Attestation.Models

sdk/attestation/Azure.Security.Attestation/src/Models/PolicyResult.cs

@@ -3,7 +3,6 @@
 
 using System;
 using Azure.Core;
-using Azure.Security.Attestation.Common;
 
 namespace Azure.Security.Attestation.Models
 {

sdk/attestation/Azure.Security.Attestation/src/Models/TpmAttestationRequest.cs

@@ -3,7 +3,6 @@
 
 using System;
 using Azure.Core;
-using Azure.Security.Attestation.Common;
 
 namespace Azure.Security.Attestation.Models
 {

sdk/attestation/Azure.Security.Attestation/src/Models/TpmAttestationResponse.cs

@@ -5,7 +5,6 @@
 using Azure.Core;
 using Azure.Security.Attestation.Models;
 using System.Security.Cryptography.X509Certificates;
-using Azure.Security.Attestation.Common;
 using System.Text;
 using System.Security.Cryptography;
 using System.Text.Json;

sdk/attestation/Azure.Security.Attestation/src/SecuredAttestationToken.cs

@@ -5,7 +5,6 @@
 using Azure.Core;
 using Azure.Security.Attestation.Models;
 using System.Security.Cryptography.X509Certificates;
-using Azure.Security.Attestation.Common;
 using System.Text;
 using static System.Net.WebRequestMethods;
 using System.Text.Json.Serialization;

sdk/attestation/Azure.Security.Attestation/src/UnsecuredAttestationToken.cs

@@ -15,4 +15,9 @@
     <ProjectReference Include="$(AzureCoreTestFramework)" />
     <ProjectReference Include="..\src\Azure.Security.Attestation.csproj" />
   </ItemGroup>
+
+  <!-- Shared source from Azure.Core -->
+  <ItemGroup>
+    <Compile Include="$(AzureCoreSharedSources)Base64Url.cs" Link="Shared\%(RecursiveDir)\%(Filename)%(Extension)" />
+  </ItemGroup>
 </Project>

sdk/attestation/Azure.Security.Attestation/tests/Azure.Security.Attestation.Tests.csproj

@@ -8,6 +8,7 @@
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml;
+using Azure.Core;
 using Azure.Core.TestFramework;
 using Azure.Identity;
 using Azure.Security.Attestation.Models;