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Decrypt my World

Cryptography, Security, Debugging and more!

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July 2008 - Posts

CryptographicException: Unable to open the access token of the current thread
Hi all, When working with RSACryptoServiceProvider , we may get an exception like the following: System.Security.Cryptography. CryptographicException : Unable to open the access token of the current thread at System.Security.Cryptography.CryptographicException.ThrowCryptogaphicException(Int32 Read More...
Posted: Wednesday, July 30, 2008 8:41 AM by alejacma | 0 Comments
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How to use DHeapMon.exe to troubleshoot Desktop Heap issues
Hi all, The other day I had to troubleshoot an issue with a process that a specific Windows service was trying to launch without success. We could see with a debugger (i.e. WinDbg) that the new process was actually being created but it exited before we Read More...
Posted: Tuesday, July 29, 2008 12:26 PM by alejacma | 3 Comments
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How to use Windbg to debug a dump of a 32bit .NET app running on a x64 machine
Hi all, Imagine we are running a 32bit .NET app in a x64 machine . This app is failing so we have taken a memory dump of the app when a specific CLR exception gets raised. We open the dump with our 64bit version of Windbg ( Windbg x64 ), and we verify Read More...
Posted: Friday, July 18, 2008 9:26 AM by alejacma | 1 Comments
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