AES

Tests/Unit/EpAuthPacketTests.cs

@@ -0,0 +1,29 @@
+using Esiur.Net.Packets;
+using Esiur.Resource;
+using Esiur.Security.Authority;
+using Esiur.Security.Cryptography;
+
+namespace Esiur.Tests.Unit;
+
+public class EpAuthPacketTests
+{
+    [Theory]
+    [InlineData(AuthenticationMode.None, EncryptionMode.None)]
+    [InlineData(AuthenticationMode.InitializerIdentity, EncryptionMode.None)]
+    [InlineData(AuthenticationMode.InitializerIdentity, EncryptionMode.EncryptWithSessionKey)]
+    [InlineData(AuthenticationMode.ResponderIdentity, EncryptionMode.EncryptWithSessionKeyAndAddress)]
+    [InlineData(AuthenticationMode.DualIdentity, EncryptionMode.EncryptWithSessionKey)]
+    public void InitializeHeader_KeepsAuthenticationAndEncryptionBitsIndependent(
+        AuthenticationMode authenticationMode,
+        EncryptionMode encryptionMode)
+    {
+        var encoded = (byte)((((byte)authenticationMode & 0x3) << 2)
+                           | ((byte)encryptionMode & 0x3));
+        var packet = new EpAuthPacket(new Warehouse());
+
+        Assert.Equal(1, packet.Parse(new[] { encoded }, 0, 1));
+        Assert.Equal(EpAuthPacketCommand.Initialize, packet.Command);
+        Assert.Equal(authenticationMode, packet.AuthMode);
+        Assert.Equal(encryptionMode, packet.EncryptionMode);
+    }
+}