/// <summary>
/// Decrypt a request or response
/// </summary>
/// <param name="securityBuffers">Security buffers containing encrypted data.</param>
/// <param name="sentFromClient">True if the token is a request, false is a response</param>
/// <returns>Plain-text data.</returns>
private byte[] Decrypt(SecurityBuffer[] securityBuffers, bool sentFromClient)
{
KileContext context = sentFromClient ? (KileContext)kileDecoder.serverContext : (KileContext)kileDecoder.clientContext;
KileRole.GssUnWrapEx(context, securityBuffers);
return(SspiUtility.ConcatenateReadWriteSecurityBuffers(securityBuffers, SecurityBufferType.Data));
}
/// <summary>
/// Verify a request or response
/// </summary>
/// <param name="securityBuffers">Security buffers containing encrypted data.</param>
/// <param name="sentFromClient">True if the token is a request, false is a response</param>
/// <returns>True if verify succeed; otherwise, false.</returns>
private bool Verify(SecurityBuffer[] securityBuffers, bool sentFromClient)
{
KileContext context = sentFromClient ? (KileContext)kileDecoder.serverContext : (KileContext)kileDecoder.clientContext;
KilePdu pdu;
return(KileRole.GssVerifyMicEx(context, securityBuffers, out pdu));
}
/// <summary>
/// Decrypt a request or response
/// </summary>
/// <param name="token">A token containing encrypted data.</param>
/// <param name="sentFromClient">True if the token is a request, false is a response</param>
/// <returns>Plain-text data.</returns>
private byte[] Decrypt(byte[] token, bool sentFromClient)
{
KileContext context = sentFromClient ? (KileContext)kileDecoder.serverContext : (KileContext)kileDecoder.clientContext;
KilePdu pdu = KileRole.GssUnWrap(context, token);
Token4121 token4121Pdu = pdu as Token4121;
if (token4121Pdu != null)
{
return(token4121Pdu.Data);
}
Token1964_4757 token1964or4757Pdu = pdu as Token1964_4757;
if (token1964or4757Pdu != null)
{
return(token1964or4757Pdu.Data);
}
throw new InvalidOperationException("Token type is not supported.");
}