SecurityStatus _EncryptMessage(ref TlsBuffer incoming)
{
var buffer = EncodeRecord(ContentType.ApplicationData, incoming.GetRemaining());
incoming = new TlsBuffer(buffer);
return(SecurityStatus.OK);
}
bool DecryptRecordFragment(ContentType contentType, ref TlsBuffer buffer)
{
var read = Session.Read;
if (read == null || read.Cipher == null)
{
return(false);
}
var output = read.Decrypt(contentType, buffer.GetRemaining());
buffer = new TlsBuffer(output);
return(true);
}
SecurityStatus _EncryptMessage(ref TlsBuffer incoming)
{
#if DEBUG_FULL
if (EnableDebugging)
{
DebugHelper.WriteRemaining("EncryptMessage", incoming);
}
#endif
var buffer = EncodeRecord(ContentType.ApplicationData, incoming.GetRemaining());
#if DEBUG_FULL
if (EnableDebugging)
{
DebugHelper.WriteBuffer("EncryptMessage done", buffer);
}
#endif
incoming = new TlsBuffer(buffer);
return(SecurityStatus.OK);
}
public void TestDecrypt (TestContext ctx, [TestHost] IEncryptionTestHost host)
{
var input = GetBuffer (HelloWorldResult);
var output = new TlsBuffer (input.Size);
var hello = GetField (HelloWorldName);
var length = host.Decrypt (input, output.GetRemaining ());
ctx.Assert (length, Is.EqualTo (hello.Length), "#1");
output.Position = 0;
var decrypted = output.ReadBytes (length);
ctx.Assert (decrypted, Is.EqualTo (hello), "#4");
}
public void TestOutputOffset (TestContext ctx, [TestHost] IEncryptionTestHost host)
{
var input = GetBuffer (HelloWorldName);
var output = new TlsBuffer (input.Size + host.MaxExtraEncryptedBytes + MagicDataSize);
output.Write (GetBuffer (MagicDataName));
var startOffset = output.Offset;
var startPos = output.Position;
var startSize = output.Size;
var length = host.Encrypt (input, output.GetRemaining ());
ctx.Assert (length, Is.GreaterThanOrEqualTo (0), "#1");
ctx.Assert (length, Is.GreaterThanOrEqualTo (input.Size + host.MinExtraEncryptedBytes), "#2a");
ctx.Assert (length, Is.LessThanOrEqualTo (input.Size + host.MaxExtraEncryptedBytes), "#2a");
ctx.Assert (output.Offset, Is.EqualTo (startOffset), "#2b");
ctx.Assert (output.Size, Is.EqualTo (startSize), "#2c");
output.Position = 0;
var magic = output.ReadBytes (MagicDataSize);
ctx.Assert (magic, Is.EqualTo (GetField (MagicDataName)), "#3");
var encrypted = output.ReadBytes (length);
CheckOutput (ctx, HelloWorldResult, new BufferOffsetSize (encrypted));
}