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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>
18 lines
555 B
Markdown
18 lines
555 B
Markdown
---
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title: Encrypt backups using GPG
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layout: default
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parent: How Tos
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nav_order: 7
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---
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# Encrypt backups using GPG
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The image supports encrypting backups using GPG out of the box.
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In case a `GPG_PASSPHRASE` or `GPG_PUBLIC_KEY_RING` environment variable is set, the backup archive will be encrypted using the given key and saved as a `.gpg` file instead.
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Assuming you have `gpg` installed, you can decrypt such a backup using (your OS will prompt for the passphrase before decryption can happen):
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```console
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gpg -o backup.tar.gz -d backup.tar.gz.gpg
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```
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