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Maniphest T6263

Allow OCB encryption in 2.2
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Description

Given that we use OCB already for some time in 2.3 and thus Gpg4win 4 and that decryption support is available for even longer in 2.2 and 2.3, its time to also allow encryption using OCB mode and create the keys with the AEAD feature flag set.

Revisions and Commits

rG GnuPG
rG0a355b2fe7d8 gpg: Add compatibility flag "vsd-allow-ocb"
rGa545e14e8a74 gpg: Support OCB encryption.

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Event Timeline

werner triaged this task as Normal priority.Oct 31 2022, 2:32 PM
werner created this task.
werner created this object with edit policy "Contributor (Project)".
werner added a commit: rGa545e14e8a74: gpg: Support OCB encryption..Oct 31 2022, 2:39 PM
werner changed the task status from Open to Testing.Oct 31 2022, 4:26 PM
werner moved this task from Restricted Project Column to Restricted Project Column on the Restricted Project board.
werner added a commit: rG0a355b2fe7d8: gpg: Add compatibility flag "vsd-allow-ocb".Oct 31 2022, 5:24 PM
werner claimed this task.Dec 12 2022, 11:42 AM
werner moved this task from Restricted Project Column to Restricted Project Column on the Restricted Project board.Dec 12 2022, 11:45 AM
werner edited projects, added gnupg22; removed gnupg (gpg22).Jan 19 2023, 4:39 PM
werner moved this task from Backlog to QA on the gnupg22 board.
werner moved this task from Restricted Project Column to Restricted Project Column on the Restricted Project board.
ebo closed this task as Resolved.Sep 26 2023, 9:41 AM
ebo moved this task from Restricted Project Column to Restricted Project Column on the Restricted Project board.
ebo added a subscriber: ebo.

Works, setting "compatibility-flags vsd-allow-ocb" in the gpg.conf causes new keys to be generated with the AEAD feature flag OCB. And encryption to that key then uses OCB mode as long as the compatibility-flags is set.

ebo moved this task from QA to gnupg-2.2.42 on the gnupg22 board.Sep 26 2023, 9:41 AM
ebo edited projects, added gnupg22 (gnupg-2.2.42); removed gnupg22.
werner mentioned this in T6307: Release GnuPG 2.2.42.Tue, Nov 28, 4:59 PM