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CryptographicException: The data to be decrypted exceeds the maximum for this modulus of 0 bytes

Hi all, Some time ago a customer of mine was getting the following CryptographicException when calling EncryptedXml.DecryptDocument method to decrypt an XmlDocument in their .NET app: [System.Security.Cryptography.CryptographicException] = {" The data Read More...

Posted: Friday, October 09, 2009 12:06 PM by alejacma | 0 Comments

Filed under: CryptoAPI, Debugging, Debugger scripts, System.Security

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

Filed under: RSACryptoServiceProvider, CryptAcquireContext, CryptoAPI, Debugging, Debugger scripts, System.Security

RSACryptoServiceProvider fails when used with ASP.NET

Hi, welcome back, I will talk today about a very common issue we face when we try to use .NET's RSACryptoServiceProvider class in ASP.NET . When we try to create a new RSACryptoServiceProvider object in this scenario, we may get the following exception: Read More...

Posted: Monday, December 03, 2007 9:00 AM by alejacma | 6 Comments

Filed under: RSACryptoServiceProvider, CryptAcquireContext, CryptoAPI, Debugger scripts, System.Security