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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Cryptographic errorCryptographic error
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12/6/2006 2:59 PM
 
Joseph Hamilton

Joined: 5/30/2006
Posts: 29

We've been getting these errors from time to time on our test environment...

AssemblyVersion: 04.03.06
PortalID: 0
PortalName: xxxxxx
UserID: -1
UserName:
ActiveTabID: 84
ActiveTabName: xxxxxxx
RawURL: /Default.aspx
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer:
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04320; InfoPath.2)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: e1ee3f2a-93f8-47f0-9eee-31a1d71e51e6
InnerException: Unhandled Error:
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Security.Cryptography.CryptographicException.ThrowCryptogaphicException
StackTrace:
Message: System.Exception: Unhandled Error: ---> System.Security.Cryptography.CryptographicException: Bad Data. at System.Security.Cryptography.CryptographicException.ThrowCryptogaphicException(Int32 hr) at System.Security.Cryptography.Utils._DecryptData(SafeKeyHandle hKey, Byte[] data, Int32 ib, Int32 cb, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode PaddingMode, Boolean fDone) at System.Security.Cryptography.CryptoAPITransform.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount) at System.Security.Cryptography.CryptoStream.FlushFinalBlock() at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Boolean useValidationSymAlgo) at System.Web.Security.FormsAuthentication.Decrypt(String encryptedTicket) at DotNetNuke.HttpModules.DNNMembershipModule.OnAuthenticateRequest(Object s, EventArgs e) at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) --- End of inner exception stack trace ---
Source:
Server Name: xxxxxxx

It occurs on both DNN 3.2.2 and 4.3.6.  Has anyone seen this before?  It hasn't happened on our production environment, but we're looking to do our 4.3.6 Upgrade in a few days and if this is an issue with 4.3.6 specifically, I want to know so I can wait until I can fix it.  I get the feeling it's limited to our test environments, since both versions of DNN have triggered errors on those web addresses, but not the production.  Still, has anyone seen these?
 
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12/6/2006 3:09 PM
 
John Mitchell


www.snapsis.com
Joined: 4/18/2003
Posts: 3987


The most likely reason for this is that someone has logged in to a child portal on the same domain, and then switched to a new portal without closing the browser.

The AuthCookie is shared across portals in the same domain, so when the app tries to authenticate using it, there is an error in trying to decrypt it if it was incrypted on a different portal.

DotNetNuke Modules from Snapsis.com
 
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12/20/2006 5:56 AM
 
codejockey

Joined: 7/17/2006
Posts: 1
I had the same error occur with 4.3.7 running on intranet sites utilizing the integrated AD module. We have two separate instances of DNN running on a single server and when the user crossed from one portal to the next the cryptography exception was being thrown. The problem that caused the exception to be thrown was the fact that the cookie for authentication was shared between the websites on the client side and since they used different machine key's on the server side the value was not valid from one site to the next. I modified the web.config and copied the entire node for the machinekey from one website into the next and it started working great. Mind you since we use the AD module for authentication our user info is pulled form the AD so we have the same users in both websites (both username and password) so this is not a problem, if you have different user info in the two sites I'm not sure what the behavior would be. Hope this helps.
 
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