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66 lines
2.3 KiB
66 lines
2.3 KiB
#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.Tls |
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{ |
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public sealed class DigitallySigned |
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{ |
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private readonly SignatureAndHashAlgorithm algorithm; |
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private readonly byte[] signature; |
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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.algorithm = algorithm; |
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this.signature = signature; |
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} |
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/// <returns>a <see cref="SignatureAndHashAlgorithm"/> (or null before TLS 1.2).</returns> |
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public SignatureAndHashAlgorithm Algorithm |
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{ |
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get { return algorithm; } |
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} |
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public byte[] Signature |
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{ |
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get { return signature; } |
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} |
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/// <summary>Encode this <see cref="DigitallySigned"/> to a <see cref="Stream"/>.</summary> |
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/// <param name="output">the <see cref="Stream"/> to encode to.</param> |
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/// <exception cref="IOException"/> |
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public void Encode(Stream output) |
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{ |
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if (algorithm != null) |
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{ |
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algorithm.Encode(output); |
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} |
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TlsUtilities.WriteOpaque16(signature, output); |
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} |
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/// <summary>Parse a <see cref="DigitallySigned"/> from a <see cref="Stream"/>.</summary> |
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/// <param name="context">the <see cref="TlsContext"/> of the current connection.</param> |
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/// <param name="input">the <see cref="Stream"/> to parse from.</param> |
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/// <returns>a <see cref="DigitallySigned"/> object.</returns> |
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/// <exception cref="IOException"/> |
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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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if (SignatureAlgorithm.anonymous == algorithm.Signature) |
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throw new TlsFatalAlert(AlertDescription.illegal_parameter); |
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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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