66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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using System;
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using System.IO;
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using Org.BouncyCastle.Crypto.Parameters;
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using Org.BouncyCastle.Math;
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namespace Org.BouncyCastle.Crypto.Tls
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{
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public class ServerDHParams
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{
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protected readonly DHPublicKeyParameters mPublicKey;
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public ServerDHParams(DHPublicKeyParameters publicKey)
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{
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if (publicKey == null)
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throw new ArgumentNullException("publicKey");
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this.mPublicKey = publicKey;
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}
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public virtual DHPublicKeyParameters PublicKey
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{
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get { return mPublicKey; }
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}
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/**
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* Encode this {@link ServerDHParams} 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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DHParameters dhParameters = mPublicKey.Parameters;
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BigInteger Ys = mPublicKey.Y;
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TlsDHUtilities.WriteDHParameter(dhParameters.P, output);
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TlsDHUtilities.WriteDHParameter(dhParameters.G, output);
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TlsDHUtilities.WriteDHParameter(Ys, output);
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}
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/**
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* Parse a {@link ServerDHParams} from a {@link Stream}.
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*
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* @param input
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* the {@link Stream} to parse from.
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* @return a {@link ServerDHParams} object.
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* @throws IOException
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*/
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public static ServerDHParams Parse(Stream input)
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{
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BigInteger p = TlsDHUtilities.ReadDHParameter(input);
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BigInteger g = TlsDHUtilities.ReadDHParameter(input);
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BigInteger Ys = TlsDHUtilities.ReadDHParameter(input);
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return new ServerDHParams(
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TlsDHUtilities.ValidateDHPublicKey(new DHPublicKeyParameters(Ys, new DHParameters(p, g))));
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}
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}
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}
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#endif
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