- Initial commit

Runtime/3rdParty/BouncyCastle/crypto/digests/GOST3411_2012_256Digest.cs

@@ -0,0 +1,70 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
+{
+    public class Gost3411_2012_256Digest : Gost3411_2012Digest
+    {
+        private readonly static byte[] IV = {
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+            0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
+        };
+
+        public override string AlgorithmName
+        {
+            get { return "GOST3411-2012-256"; }
+        }
+
+        public Gost3411_2012_256Digest() : base(IV)
+        {
+
+        }
+
+        public Gost3411_2012_256Digest(Gost3411_2012_256Digest other) : base(IV)
+        {
+            Reset(other);
+        }
+
+        public override int GetDigestSize()
+        {
+            return 32;
+        }
+
+        public override int DoFinal(byte[] output, int outOff)
+        {
+			byte[] result = new byte[64];
+			base.DoFinal(result, 0);
+
+			Array.Copy(result, 32, output, outOff, 32);
+
+			return 32;
+        }
+
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
+        public override int DoFinal(Span<byte> output)
+        {
+            Span<byte> result = stackalloc byte[64];
+            base.DoFinal(result);
+
+            result[32..].CopyTo(output);
+
+            return 32;
+        }
+#endif
+
+        public override IMemoable Copy()
+        {
+			return new Gost3411_2012_256Digest(this);
+        }
+    }
+}
+#pragma warning restore
+#endif