GPG problem

Shaoping Xie sp_xie at
Mon Oct 24 23:21:11 CEST 2022

Hi Bernhard,
    It seems that the problem was caused by "sudo su":        For some reason on Linux Redhad 8, "sodu su" does not behave as in the earlier version.
            There is no difference between "sudo su - XYZ" and "sudo su XYZ".

    Actually, I failed to generate the key pair when I logged on the system and then sudo-ed su to the working ID. I had to log on the system as the working ID to generate the key pair successfully.
    Again, I had to decrypt the files by logging on the system as the working ID.
    The behavior of sudo in Redhad 8 may be due to some configuration issues.
    Thank you for reply!    Shaoping


    On Monday, October 24, 2022 at 11:29:58 AM EDT, Bernhard Reiter <bernhard at> wrote:  
 Hello Shaoping Xie,

> gpg: public key decryption failed: Permission denied

if your keypair has a passphrase set,
did an interactive pinentry come up?

(If you want to run unattended, one method is to not set a passphrase
and secure the system accordingly.)

> I was puzzled at the output from “gpg –export-secret-key”.

Probably the same problem.


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