Add support for new Authenticator Pro backup format #1178
Merged
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This adds support for Authenticator Pro's latest backup format changes. The format of the content itself has not changed as far as I can tell, but they do use a different cipher and KDF now: AES GCM and Argon2id, respectively.
The memory cost is statically set at 64MiB. I suspect that this may cause OOM situations on some lower-end devices, but we'll see, not much we can do about that right now without making more changes.
Fixes #1176.