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109 lines
3.2 KiB
109 lines
3.2 KiB
1 year ago
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#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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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Tls
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{
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internal sealed class HandshakeMessageOutput
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: MemoryStream
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{
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internal static int GetLength(int bodyLength)
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{
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return 4 + bodyLength;
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}
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/// <exception cref="IOException"/>
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internal static void Send(TlsProtocol protocol, short handshakeType, byte[] body)
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{
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HandshakeMessageOutput message = new HandshakeMessageOutput(handshakeType, body.Length);
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message.Write(body, 0, body.Length);
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message.Send(protocol);
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}
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/// <exception cref="IOException"/>
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internal HandshakeMessageOutput(short handshakeType)
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: this(handshakeType, 60)
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{
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}
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/// <exception cref="IOException"/>
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internal HandshakeMessageOutput(short handshakeType, int bodyLength)
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: base(GetLength(bodyLength))
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{
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TlsUtilities.CheckUint8(handshakeType);
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TlsUtilities.WriteUint8(handshakeType, this);
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// Reserve space for length
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Seek(3L, SeekOrigin.Current);
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}
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/// <exception cref="IOException"/>
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internal void Send(TlsProtocol protocol)
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{
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// Patch actual length back in
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int bodyLength = (int)Length - 4;
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TlsUtilities.CheckUint24(bodyLength);
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Seek(1L, SeekOrigin.Begin);
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TlsUtilities.WriteUint24(bodyLength, this);
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#if PORTABLE || NETFX_CORE
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byte[] buf = ToArray();
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int count = buf.Length;
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#else
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byte[] buf = GetBuffer();
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int count = (int)Length;
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#endif
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protocol.WriteHandshakeMessage(buf, 0, count);
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BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.Dispose(this);
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}
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internal void PrepareClientHello(TlsHandshakeHash handshakeHash, int bindersSize)
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{
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// Patch actual length back in
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int bodyLength = (int)Length - 4 + bindersSize;
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TlsUtilities.CheckUint24(bodyLength);
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Seek(1L, SeekOrigin.Begin);
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TlsUtilities.WriteUint24(bodyLength, this);
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#if PORTABLE || NETFX_CORE
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byte[] buf = ToArray();
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int count = buf.Length;
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#else
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byte[] buf = GetBuffer();
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int count = (int)Length;
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#endif
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handshakeHash.Update(buf, 0, count);
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Seek(0L, SeekOrigin.End);
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}
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internal void SendClientHello(TlsClientProtocol clientProtocol, TlsHandshakeHash handshakeHash, int bindersSize)
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{
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#if PORTABLE || NETFX_CORE
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byte[] buf = ToArray();
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int count = buf.Length;
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#else
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byte[] buf = GetBuffer();
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int count = (int)Length;
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#endif
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if (bindersSize > 0)
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{
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handshakeHash.Update(buf, count - bindersSize, bindersSize);
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}
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clientProtocol.WriteHandshakeMessage(buf, 0, count);
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BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.Dispose(this);
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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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