Symptom
PRS-CSE-1255 Exception error encountered in data decryption.
CAM-CRP-1064 Unable to process the PKCS #7 data because of an internal error. Reason: java.lang.IndexOutOfBoundsException.

Problem
You open IBM Cognos 8 through IBM Cognos Connection. However, when you attempt to create a data source and log on to a namespace, the following error messages appear:

Cause
This issue may occur if you do not have the necessary permissions for the following directories:
c8\configuration
c8\configuration\csk
c8\configuration\encryptkeypair
c8\configuration\signkeypair

Solution
Enable the read and execute permissions on the directories listed above for the account which starts the IBM Cognos 8 service.

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