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This function performs a license check by decrypting a data file and returning the decrypted contents of the data file.
A license check can only succeed if a rights object associated with the calling application exists and sufficient rights are present. If the license check fails, an error is returned. - Parameters:
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| aDataFile,: | the data file to be decrypted | | aDataBuffer,: | memory buffer which will contain the decrypted contents of the data file. |
- Returns:
- ENoRights, ERightsExpired if the data file could not be opened because of insufficient rights, Symbian-wide error codes or KErrNone in case of success.
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