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Feature: PGP Asymmetric Encryption (#456)

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* feat: asym encryption

* tests

* docs

* refactor

* logs & errs

* comment

* Update docs/reference/index.md

use correct env var in example

Co-authored-by: Frederik Ring <frederik.ring@gmail.com>

* Update cmd/backup/encrypt_archive.go

use errwarp for initial error msg

Co-authored-by: Frederik Ring <frederik.ring@gmail.com>

* rm orphaned code in encryption functions

* inline readArmoredKeys

* naming -GPG_PUBLIC_KEYS- to GPG_PUBLIC_KEY_RING

* add eror handling for closing func

* use dynamically generated keys for testing

* rm explicit gpg-agent start

* rm unnecessary private_key export

* pass PASSPHRASE correctly to the decryption command

* capture defer errors

* log & err msg

---------

Co-authored-by: Frederik Ring <frederik.ring@gmail.com>
This commit is contained in:
Lennart
2024-08-11 10:11:23 +02:00
committed by GitHub
parent f97ce11734
commit 8a64da4b0b
8 changed files with 191 additions and 15 deletions
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docs/reference/index.md
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@@ -337,10 +337,19 @@ You can populate below template according to your requirements and use it as you
########### BACKUP ENCRYPTION
# Backups can be encrypted using gpg in case a passphrase is given.
# Backups can be encrypted symmetrically using gpg in case a passphrase is given.
# GPG_PASSPHRASE="<xxx>"
# Backups can be encrypted asymmetrically using gpg in case publickeys are given.
# GPG_PUBLIC_KEY_RING= |
#-----BEGIN PGP PUBLIC KEY BLOCK-----
#
#D/cIHu6GH/0ghlcUVSbgMg5RRI5QKNNKh04uLAPxr75mKwUg0xPUaWgyyrAChVBi
#...
#-----END PGP PUBLIC KEY BLOCK-----
########### STOPPING CONTAINERS AND SERVICES DURING BACKUP
# Containers or services can be stopped by applying a