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PGP UnPackage service to identify if the file was encrypted or signed only

When a signed  file is process in Filegateway  and with  PGP preference  set (decryption,sign verification On )PGP UnPackage service  does not  provide error to state that the file was only signed and not able to decrypt. The PGP UnPackage service completes successfully .

A PMR was raised for the issue -PMR 87033,019,866 which had provided the below outcome

"PGP Package service does below
1. PGP Encryption
2. PGP Signing
3. PGP Encryption & Signing

PGP Unpackage service does below
1. Decryption

Only singing of a document / file for authentication purpose is not supported by the PGP Unpackage service, PGP Unpackage does only decryption of the file on providing a valid encrypted file as Input.
Signing the document is a separate action in PGP Unpackage service and it does not support when used for authentication purpose. It should be used along with encryption service if decryption is used as further action.

So here signing will not show error and does sign a document and will not do anything further action on it. So next action w.r.t decryption will definitely fail because underlying document is not encrypted.

So when customer is specifically using it for PGP decryption , you should use encrypt+sign and not just signing action .


  • Guest
  • Jul 4 2018
  • Planned for future release
What is your industry? Banking
How will this idea be used?

Currently the PGP UnPackage service works in combination -decryption and sign verification , but does not  provide any error  when used only for sign verification even when the PGP preference is set for both decryption and sign verification.So if the enhancement is done PGP unpackage service can be used for sign verification alone also

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