- Initial commit

Runtime/3rdParty/BouncyCastle/crypto/operators/CmsContentEncryptorBuilder.cs

@@ -0,0 +1,61 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.Collections.Generic;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.Ntt;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Cms;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Operators;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Operators
+{
+    public class CmsContentEncryptorBuilder
+    {
+        private static readonly IDictionary<DerObjectIdentifier, int> KeySizes =
+            new Dictionary<DerObjectIdentifier, int>();
+
+        static CmsContentEncryptorBuilder()
+        {
+            KeySizes[NistObjectIdentifiers.IdAes128Cbc] = 128;
+            KeySizes[NistObjectIdentifiers.IdAes192Cbc] = 192;
+            KeySizes[NistObjectIdentifiers.IdAes256Cbc] = 256;
+
+            KeySizes[NttObjectIdentifiers.IdCamellia128Cbc] = 128;
+            KeySizes[NttObjectIdentifiers.IdCamellia192Cbc] = 192;
+            KeySizes[NttObjectIdentifiers.IdCamellia256Cbc] = 256;
+        }
+
+        private static int GetKeySize(DerObjectIdentifier oid)
+        {
+            return KeySizes.TryGetValue(oid, out var keySize) ? keySize : -1;
+        }
+
+        private readonly DerObjectIdentifier encryptionOID;
+        private readonly int keySize;
+
+        private readonly EnvelopedDataHelper helper = new EnvelopedDataHelper();
+        //private SecureRandom random;
+
+        public CmsContentEncryptorBuilder(DerObjectIdentifier encryptionOID)
+            : this(encryptionOID, GetKeySize(encryptionOID))
+        {
+        }
+
+        public CmsContentEncryptorBuilder(DerObjectIdentifier encryptionOID, int keySize)
+        {
+            this.encryptionOID = encryptionOID;
+            this.keySize = keySize;
+        }
+
+        public ICipherBuilderWithKey Build()
+        {
+            //return new Asn1CipherBuilderWithKey(encryptionOID, keySize, random);
+            return new Asn1CipherBuilderWithKey(encryptionOID, keySize, null);
+        }
+    }
+}
+#pragma warning restore
+#endif