| public static EncryptMessage ( System.Net.Security.SafeDeleteContext securityContext, byte input, int offset, int size, int headerSize, int trailerSize, byte &output, int &resultSize ) : SecurityStatusPal | ||
| securityContext | System.Net.Security.SafeDeleteContext | |
| input | byte | |
| offset | int | |
| size | int | |
| headerSize | int | |
| trailerSize | int | |
| output | byte | |
| resultSize | int | |
| return | SecurityStatusPal | |
/*++
* Encrypt - Encrypts our bytes before we send them over the wire
*
* PERF: make more efficient, this does an extra copy when the offset
* is non-zero.
*
* Input:
* buffer - bytes for sending
* offset -
* size -
* output - Encrypted bytes
* --*/
internal SecurityStatusPal Encrypt(byte[] buffer, int offset, int size, ref byte[] output, out int resultSize)
{
GlobalLog.Enter("SecureChannel#" + Logging.HashString(this) + "::Encrypt");
GlobalLog.Print("SecureChannel#" + Logging.HashString(this) + "::Encrypt() - offset: " + offset.ToString() + " size: " + size.ToString() + " buffersize: " + buffer.Length.ToString());
GlobalLog.Print("SecureChannel#" + Logging.HashString(this) + "::Encrypt() buffer:");
GlobalLog.Dump(buffer, Math.Min(buffer.Length, 128));
byte[] writeBuffer;
try
{
if (offset < 0 || offset > (buffer == null ? 0 : buffer.Length))
{
throw new ArgumentOutOfRangeException("offset");
}
if (size < 0 || size > (buffer == null ? 0 : buffer.Length - offset))
{
throw new ArgumentOutOfRangeException("size");
}
resultSize = 0;
int bufferSizeNeeded = checked (size + _headerSize + _trailerSize);
if (output != null && bufferSizeNeeded <= output.Length)
{
writeBuffer = output;
}
else
{
writeBuffer = new byte[bufferSizeNeeded];
}
Buffer.BlockCopy(buffer, offset, writeBuffer, _headerSize, size);
}
catch (Exception e)
{
if (!ExceptionCheck.IsFatal(e))
{
GlobalLog.Assert(false, "SecureChannel#" + Logging.HashString(this) + "::Encrypt", "Arguments out of range.");
}
throw;
}
SecurityStatusPal secStatus = SslStreamPal.EncryptMessage(_securityContext, writeBuffer, size, _headerSize, _trailerSize, out resultSize);
if (secStatus != SecurityStatusPal.OK)
{
GlobalLog.Leave("SecureChannel#" + Logging.HashString(this) + "::Encrypt ERROR", secStatus.ToString());
}
else
{
output = writeBuffer;
GlobalLog.Leave("SecureChannel#" + Logging.HashString(this) + "::Encrypt OK", "data size:" + resultSize.ToString());
}
return(secStatus);
}
