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Maniphest T1524

PGP DSA keys altered when exported
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Description

When importing a public DSA key, generated by some PGP software and afterwards
exporting the key using gpg, the exported key is different from the one imported.

The first about 600 bytes are the same, but everything else is completely different.

The key is still valid.

Tested using Encryption Desktop 10.3.0 for key creation and gpg 1.4.11 (Ubuntu
12.04) for exporting.

This does not happen when using RSA keys.

Example files are attached.

Details

Version
1.4.11

Event Timeline

mike389 added projects: gnupg (gpg14), gnupg, Bug Report.Aug 10 2013, 9:27 PM
mike389 set Version to 1.4.11.
mike389 added a subscriber: mike389.
mike389 added a comment.Aug 10 2013, 9:36 PM

Here are the example keys:

http://pastebin.com/cseQ0z8j

• werner closed this task as Resolved.Aug 13 2013, 5:30 PM
• werner claimed this task.
• werner added a project: Not A Bug.

That is not a bug. During import GPG removes invalid or unneeded parts,
reorders packets to fix bugs introduced by some older keyservers, and so on.
During export some other stuff might be removed depending on certain GPG options.

If you want to learn about the details please write to the gnupg-users mailing list.