- Initial commit

Runtime/3rdParty/BouncyCastle/tls/crypto/impl/LegacyTls13Verifier.cs

@@ -0,0 +1,64 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+using System.IO;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto.Impl
+{
+    public sealed class LegacyTls13Verifier
+        : TlsVerifier
+    {
+        private readonly int m_signatureScheme;
+        private readonly Tls13Verifier m_tls13Verifier;
+
+        public LegacyTls13Verifier(int signatureScheme, Tls13Verifier tls13Verifier)
+        {
+            if (!TlsUtilities.IsValidUint16(signatureScheme))
+                throw new ArgumentException("signatureScheme");
+            if (tls13Verifier == null)
+                throw new ArgumentNullException("tls13Verifier");
+
+            this.m_signatureScheme = signatureScheme;
+            this.m_tls13Verifier = tls13Verifier;
+        }
+
+        public TlsStreamVerifier GetStreamVerifier(DigitallySigned digitallySigned)
+        {
+            SignatureAndHashAlgorithm algorithm = digitallySigned.Algorithm;
+            if (algorithm == null || SignatureScheme.From(algorithm) != m_signatureScheme)
+                throw new InvalidOperationException("Invalid algorithm: " + algorithm);
+
+            return new TlsStreamVerifierImpl(m_tls13Verifier, digitallySigned.Signature);
+        }
+
+        public bool VerifyRawSignature(DigitallySigned digitallySigned, byte[] hash)
+        {
+            throw new NotSupportedException();
+        }
+
+        private class TlsStreamVerifierImpl
+            : TlsStreamVerifier
+        {
+            private readonly Tls13Verifier m_tls13Verifier;
+            private readonly byte[] m_signature;
+
+            internal TlsStreamVerifierImpl(Tls13Verifier tls13Verifier, byte[] signature)
+            {
+                this.m_tls13Verifier = tls13Verifier;
+                this.m_signature = signature;
+            }
+
+            public Stream Stream
+            {
+                get { return m_tls13Verifier.Stream; }
+            }
+
+            public bool IsVerified()
+            {
+                return m_tls13Verifier.VerifySignature(m_signature);
+            }
+        }
+    }
+}
+#pragma warning restore
+#endif