Fix test references by making a local copy for tests

e2e/test/helpers/CryptoKeyGenerator.cs

@@ -0,0 +1,62 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+using System.Security.Cryptography;
+
+#if !NET451
+
+using System.Linq;
+
+#endif
+
+namespace Microsoft.Azure.Devices.E2ETests
+{
+    /// <summary>
+    /// Utility methods for generating cryptographically secure keys and passwords.
+    /// </summary>
+    internal static class CryptoKeyGenerator
+    {
+#if NET451
+        private const int DefaultPasswordLength = 16;
+        private const int GuidLength = 16;
+#endif
+
+        /// <summary>
+        /// Size of the SHA 512 key.
+        /// </summary>
+        internal const int Sha512KeySize = 64;
+
+        /// <summary>
+        /// Generate a key with a specified key size.
+        /// </summary>
+        /// <param name="keySize">The size of the key.</param>
+        /// <returns>Byte array representing the key.</returns>
+        internal static byte[] GenerateKeyBytes(int keySize)
+        {
+#if NET451
+            byte[] keyBytes = new byte[keySize];
+            using var cyptoProvider = new RNGCryptoServiceProvider();
+            cyptoProvider.GetNonZeroBytes(keyBytes);
+#else
+            byte[] keyBytes = new byte[keySize];
+            using var cyptoProvider = RandomNumberGenerator.Create();
+            while (keyBytes.Contains(byte.MinValue))
+            {
+                cyptoProvider.GetBytes(keyBytes);
+            }
+#endif
+            return keyBytes;
+        }
+
+        /// <summary>
+        /// Generates a key of the specified size.
+        /// </summary>
+        /// <param name="keySize">Desired key size.</param>
+        /// <returns>A generated key.</returns>
+        internal static string GenerateKey(int keySize)
+        {
+            return Convert.ToBase64String(GenerateKeyBytes(keySize));
+        }
+    }
+}

e2e/test/provisioning/ProvisioningServiceClientE2ETests.cs

@@ -3,10 +3,8 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics.Tracing;
 using System.Net;
 using System.Threading.Tasks;
-using Microsoft.Azure.Devices.Common;
 using Microsoft.Azure.Devices.Provisioning.Security.Samples;
 using Microsoft.Azure.Devices.Provisioning.Service;
 using Microsoft.Azure.Devices.Shared;