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60 lines
1.4 KiB
60 lines
1.4 KiB
using System;
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using System.IO;
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using Org.BouncyCastle.Tls.Crypto;
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using Org.BouncyCastle.Utilities.IO;
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namespace Org.BouncyCastle.Tls
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{
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// TODO Rewrite without MemoryStream
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public sealed class HandshakeMessageInput
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: MemoryStream
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{
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private readonly int m_offset;
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internal HandshakeMessageInput(byte[] buf, int offset, int length)
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#if PORTABLE
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: base(buf, offset, length, false)
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#else
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: base(buf, offset, length, false, true)
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#endif
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{
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#if PORTABLE
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this.m_offset = 0;
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#else
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this.m_offset = offset;
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#endif
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}
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public void UpdateHash(TlsHash hash)
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{
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Streams.WriteBufTo(this, new TlsHashSink(hash));
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}
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internal void UpdateHashPrefix(TlsHash hash, int bindersSize)
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{
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#if PORTABLE
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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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hash.Update(buf, m_offset, count - bindersSize);
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}
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internal void UpdateHashSuffix(TlsHash hash, int bindersSize)
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{
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#if PORTABLE
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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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hash.Update(buf, m_offset + count - bindersSize, bindersSize);
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}
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}
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}
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