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Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/bcpg/sig/Features.cs

@@ -0,0 +1,63 @@
+#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.Bcpg.Sig
+{
+    /**
+    * packet giving signature expiration time.
+    */
+    public class Features
+        : SignatureSubpacket
+    {
+        /** Identifier for the Modification Detection (packets 18 and 19) */
+        public static readonly byte FEATURE_MODIFICATION_DETECTION = 0x01;
+        /** Identifier for the AEAD Encrypted Data Packet (packet 20) and version 5
+         Symmetric-Key Encrypted Session Key Packets (packet 3) */
+        public static readonly byte FEATURE_AEAD_ENCRYPTED_DATA = 0x02;
+        /** Identifier for the Version 5 Public-Key Packet format and corresponding new
+           fingerprint format */
+        public static readonly byte FEATURE_VERSION_5_PUBLIC_KEY = 0x04;
+
+        private static byte[] FeatureToByteArray(byte feature)
+        {
+            return new byte[1]{ feature };
+        }
+
+        public Features(
+            bool critical,
+            bool isLongLength,
+            byte[] data)
+            : base(SignatureSubpacketTag.Features, critical, isLongLength, data)
+        {
+        }
+
+        public Features(bool critical, byte features): this(critical, false, FeatureToByteArray(features))
+        {
+        }
+
+        public Features(bool critical, int features):  this(critical, false, FeatureToByteArray((byte)features))
+        {
+        }
+
+        /**
+         * Returns if modification detection is supported.
+         */
+        public bool SupportsModificationDetection
+        {
+            get { return SupportsFeature(FEATURE_MODIFICATION_DETECTION); }
+        }
+
+        /**
+         * Returns if a particular feature is supported.
+         */
+        public bool SupportsFeature(byte feature)
+        {
+            return (data[0] & feature) != 0;
+        }
+    }
+}
+#pragma warning restore
+#endif