internal virtual void WriteRecord(byte type, byte[] plaintext, int plaintextOffset, int plaintextLength)
{
if (this.mWriteVersion == null)
{
return;
}
RecordStream.CheckType(type, 80);
RecordStream.CheckLength(plaintextLength, this.mPlaintextLimit, 80);
if (plaintextLength < 1 && type != 23)
{
throw new TlsFatalAlert(80);
}
if (type == 22)
{
this.UpdateHandshakeData(plaintext, plaintextOffset, plaintextLength);
}
Stream stream = this.mWriteCompression.Compress(this.mBuffer);
byte[] array;
if (stream == this.mBuffer)
{
TlsCipher arg_7B_0 = this.mWriteCipher;
long seqNo;
this.mWriteSeqNo = (seqNo = this.mWriteSeqNo) + 1L;
array = arg_7B_0.EncodePlaintext(seqNo, type, plaintext, plaintextOffset, plaintextLength);
}
else
{
stream.Write(plaintext, plaintextOffset, plaintextLength);
stream.Flush();
byte[] bufferContents = this.GetBufferContents();
RecordStream.CheckLength(bufferContents.Length, plaintextLength + 1024, 80);
TlsCipher arg_CC_0 = this.mWriteCipher;
long seqNo2;
this.mWriteSeqNo = (seqNo2 = this.mWriteSeqNo) + 1L;
array = arg_CC_0.EncodePlaintext(seqNo2, type, bufferContents, 0, bufferContents.Length);
}
RecordStream.CheckLength(array.Length, this.mCiphertextLimit, 80);
byte[] array2 = new byte[array.Length + 5];
TlsUtilities.WriteUint8(type, array2, 0);
TlsUtilities.WriteVersion(this.mWriteVersion, array2, 1);
TlsUtilities.WriteUint16(array.Length, array2, 3);
Array.Copy(array, 0, array2, 5, array.Length);
this.mOutput.Write(array2, 0, array2.Length);
this.mOutput.Flush();
}
internal virtual bool ReadRecord()
{
byte[] array = TlsUtilities.ReadAllOrNothing(5, this.mInput);
if (array == null)
{
return(false);
}
byte b = TlsUtilities.ReadUint8(array, 0);
RecordStream.CheckType(b, 10);
if (!this.mRestrictReadVersion)
{
int num = TlsUtilities.ReadVersionRaw(array, 1);
if (((long)num & (long)((ulong)-256)) != 768L)
{
throw new TlsFatalAlert(47);
}
}
else
{
ProtocolVersion protocolVersion = TlsUtilities.ReadVersion(array, 1);
if (this.mReadVersion == null)
{
this.mReadVersion = protocolVersion;
}
else if (!protocolVersion.Equals(this.mReadVersion))
{
throw new TlsFatalAlert(47);
}
}
int len = TlsUtilities.ReadUint16(array, 3);
byte[] array2 = this.DecodeAndVerify(b, this.mInput, len);
this.mHandler.ProcessRecord(b, array2, 0, array2.Length);
return(true);
}
