How to "open" a Snapshot archive, tar.gz

[tom_l]

I just created a full snapshot with password protection. I can’t open the contained tar.gz file with winrar or 7zip.

This is good news I think. Your archive is probably not corrupt. We just have to work out how to unencrypt it.

Relevant info but no solution:

Backup/Snapshots no longer decryptable?

According to https://github.com/home-assistant/hassio/blob/dev/hassio/utils/tar.py HomeAssistant’s snapshot is tar archive that consists of SecureTar archives. SecureTar is a HomeAssistant abstraction. It looks like normal tar.gz archive but it isn’t - that’s why you can’t just uncompress it. First 16 bytes - is a salt Then goes AES 128 CBC encrypted data. (the data is a tar.gz archive) Key = your password. IV calcultaed based on salt and key by following code: def _generate_iv(key: byte…

Are you sure you have the correct password?

This should be possible:

@steno

I’m no more able to rebuild this snapshot, even with a fresh home assistant installation.