- Initial commit

2026-07-03 05:02:26 +03:00
commit 374ff1e689
4080 changed files with 388870 additions and 0 deletions
--- a/Runtime/3rdParty/BouncyCastle/tls/crypto/impl/bc/BcTlsDssSigner.cs
+++ b/Runtime/3rdParty/BouncyCastle/tls/crypto/impl/bc/BcTlsDssSigner.cs
@ -0,0 +1,58 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+#pragma warning disable
+using System;
+
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
+using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers;
+
+namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Tls.Crypto.Impl.BC
+{
+    /// <summary>BC light-weight base class for the signers implementing the two DSA style algorithms from FIPS PUB
+    /// 186-4: DSA and ECDSA.</summary>
+    public abstract class BcTlsDssSigner
+        : BcTlsSigner
+    {
+        protected BcTlsDssSigner(BcTlsCrypto crypto, AsymmetricKeyParameter privateKey)
+            : base(crypto, privateKey)
+        {
+        }
+
+        protected abstract IDsa CreateDsaImpl(int cryptoHashAlgorithm);
+
+        protected abstract short SignatureAlgorithm { get; }
+
+        public override byte[] GenerateRawSignature(SignatureAndHashAlgorithm algorithm, byte[] hash)
+        {
+            if (algorithm != null && algorithm.Signature != SignatureAlgorithm)
+                throw new InvalidOperationException("Invalid algorithm: " + algorithm);
+
+            int cryptoHashAlgorithm = (null == algorithm)
+                ? CryptoHashAlgorithm.sha1
+                : TlsCryptoUtilities.GetHash(algorithm.Hash);
+
+            ISigner signer = new DsaDigestSigner(CreateDsaImpl(cryptoHashAlgorithm), new NullDigest());
+            signer.Init(true, new ParametersWithRandom(m_privateKey, m_crypto.SecureRandom));
+            if (algorithm == null)
+            {
+                // Note: Only use the SHA1 part of the (MD5/SHA1) hash
+                signer.BlockUpdate(hash, 16, 20);
+            }
+            else
+            {
+                signer.BlockUpdate(hash, 0, hash.Length);
+            }
+            try
+            {
+                return signer.GenerateSignature();
+            }
+            catch (CryptoException e)
+            {
+                throw new TlsFatalAlert(AlertDescription.internal_error, e);
+            }
+        }
+    }
+}
+#pragma warning restore
+#endif