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75 lines
2.0 KiB
75 lines
2.0 KiB
using System;
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using System.IO;
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using Org.BouncyCastle.Math;
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using Org.BouncyCastle.Utilities;
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namespace Org.BouncyCastle.Crypto.Tls
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{
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public class ServerSrpParams
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{
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protected BigInteger m_N, m_g, m_B;
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protected byte[] m_s;
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public ServerSrpParams(BigInteger N, BigInteger g, byte[] s, BigInteger B)
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{
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this.m_N = N;
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this.m_g = g;
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this.m_s = Arrays.Clone(s);
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this.m_B = B;
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}
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public virtual BigInteger B
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{
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get { return m_B; }
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}
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public virtual BigInteger G
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{
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get { return m_g; }
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}
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public virtual BigInteger N
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{
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get { return m_N; }
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}
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public virtual byte[] S
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{
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get { return m_s; }
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}
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/**
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* Encode this {@link ServerSRPParams} to an {@link OutputStream}.
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*
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* @param output
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* the {@link OutputStream} 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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TlsSrpUtilities.WriteSrpParameter(m_N, output);
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TlsSrpUtilities.WriteSrpParameter(m_g, output);
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TlsUtilities.WriteOpaque8(m_s, output);
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TlsSrpUtilities.WriteSrpParameter(m_B, output);
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}
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/**
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* Parse a {@link ServerSRPParams} from an {@link InputStream}.
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*
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* @param input
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* the {@link InputStream} to parse from.
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* @return a {@link ServerSRPParams} object.
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* @throws IOException
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*/
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public static ServerSrpParams Parse(Stream input)
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{
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BigInteger N = TlsSrpUtilities.ReadSrpParameter(input);
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BigInteger g = TlsSrpUtilities.ReadSrpParameter(input);
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byte[] s = TlsUtilities.ReadOpaque8(input);
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BigInteger B = TlsSrpUtilities.ReadSrpParameter(input);
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return new ServerSrpParams(N, g, s, B);
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}
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}
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}
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