- Initial commit

Runtime/3rdParty/BouncyCastle/tls/crypto/impl/bc/BcVerifyingStreamSigner.cs

@@ -0,0 +1,52 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.IO;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.IO;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto.Impl.BC
+{
+    internal sealed class BcVerifyingStreamSigner
+        : TlsStreamSigner
+    {
+        private readonly ISigner m_signer;
+        private readonly ISigner m_verifier;
+        private readonly TeeOutputStream m_output;
+
+        internal BcVerifyingStreamSigner(ISigner signer, ISigner verifier)
+        {
+            Stream outputSigner = new SignerSink(signer);
+            Stream outputVerifier = new SignerSink(verifier);
+
+            this.m_signer = signer;
+            this.m_verifier = verifier;
+            this.m_output = new TeeOutputStream(outputSigner, outputVerifier);
+        }
+
+        public Stream Stream
+        {
+            get { return m_output; }
+        }
+
+        public byte[] GetSignature()
+        {
+            try
+            {
+                byte[] signature = m_signer.GenerateSignature();
+                if (m_verifier.VerifySignature(signature))
+                    return signature;
+            }
+            catch (CryptoException e)
+            {
+                throw new TlsFatalAlert(AlertDescription.internal_error, e);
+            }
+
+            throw new TlsFatalAlert(AlertDescription.internal_error);
+        }
+    }
+}
+#pragma warning restore
+#endif