- Initial commit

Runtime/3rdParty/BouncyCastle/tls/crypto/impl/TlsSuiteMac.cs

@@ -0,0 +1,41 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto.Impl
+{
+    /// <summary>Base interface for a generic TLS MAC implementation for use with a bulk cipher.</summary>
+    public interface TlsSuiteMac
+    {
+        /// <summary>Return the output length (in bytes) of this MAC.</summary>
+        /// <returns>The output length of this MAC.</returns>
+        int Size { get; }
+
+        /// <summary>Calculate the MAC for some given data.</summary>
+        /// <param name="seqNo">The sequence number of the record.</param>
+        /// <param name="type">The content type of the message.</param>
+        /// <param name="message">A byte array containing the message.</param>
+        /// <param name="offset">The number of bytes to skip, before the message starts.</param>
+        /// <param name="length">The length of the message.</param>
+        /// <returns>A new byte array containing the MAC value.</returns>
+        byte[] CalculateMac(long seqNo, short type, byte[] message, int offset, int length);
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        byte[] CalculateMac(long seqNo, short type, ReadOnlySpan<byte> message);
+#endif
+
+        /// <summary>Constant time calculation of the MAC for some given data with a given expected length.</summary>
+        /// <param name="seqNo">The sequence number of the record.</param>
+        /// <param name="type">The content type of the message.</param>
+        /// <param name="message">A byte array containing the message.</param>
+        /// <param name="offset">The number of bytes to skip, before the message starts.</param>
+        /// <param name="length">The length of the message.</param>
+        /// <param name="expectedLength">The expected length of the full message.</param>
+        /// <param name="randomData">Random data for padding out the MAC calculation if required.</param>
+        /// <returns>A new byte array containing the MAC value.</returns>
+        byte[] CalculateMacConstantTime(long seqNo, short type, byte[] message, int offset, int length,
+            int expectedLength, byte[] randomData);
+    }
+}
+#pragma warning restore
+#endif