baseline: OpenMU upstream b5a0961 (fresh source)

src/Network/ISpanDecryptor.cs

@@ -0,0 +1,17 @@
+// <copyright file="ISpanDecryptor.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.Network;
+
+/// <summary>
+/// This interface specifies an decryptor, which decrypts span data packets in-place.
+/// </summary>
+public interface ISpanDecryptor
+{
+    /// <summary>
+    /// Decrypts the packet.
+    /// </summary>
+    /// <param name="packet">The encrypted data packet. The decrypted result will be written back to the same span.</param>
+    void Decrypt(Span<byte> packet);
+}