75 lines
2.2 KiB
C#
75 lines
2.2 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using System.IO;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
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{
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public class DigitallySigned
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{
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protected readonly SignatureAndHashAlgorithm mAlgorithm;
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protected readonly byte[] mSignature;
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public DigitallySigned(SignatureAndHashAlgorithm algorithm, byte[] signature)
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{
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if (signature == null)
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throw new ArgumentNullException("signature");
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this.mAlgorithm = algorithm;
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this.mSignature = signature;
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}
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/**
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* @return a {@link SignatureAndHashAlgorithm} (or null before TLS 1.2).
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*/
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public virtual SignatureAndHashAlgorithm Algorithm
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{
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get { return mAlgorithm; }
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}
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public virtual byte[] Signature
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{
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get { return mSignature; }
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}
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/**
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* Encode this {@link DigitallySigned} to a {@link Stream}.
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*
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* @param output
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* the {@link Stream} to encode to.
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* @throws IOException
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*/
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public virtual void Encode(Stream output)
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{
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if (mAlgorithm != null)
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{
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mAlgorithm.Encode(output);
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}
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TlsUtilities.WriteOpaque16(mSignature, output);
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}
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/**
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* Parse a {@link DigitallySigned} from a {@link Stream}.
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*
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* @param context
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* the {@link TlsContext} of the current connection.
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* @param input
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* the {@link Stream} to parse from.
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* @return a {@link DigitallySigned} object.
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* @throws IOException
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*/
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public static DigitallySigned Parse(TlsContext context, Stream input)
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{
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SignatureAndHashAlgorithm algorithm = null;
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if (TlsUtilities.IsTlsV12(context))
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{
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algorithm = SignatureAndHashAlgorithm.Parse(input);
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}
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byte[] signature = TlsUtilities.ReadOpaque16(input);
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return new DigitallySigned(algorithm, signature);
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}
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}
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}
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#pragma warning restore
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#endif
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