Martin Stein 016a769605 tresor: check only the last secured superblock
Instead of iterating over all superblocks and checking each valid one,
check only the one whose hash matches the hash stored in the trust anchor.
I.e., the last one that was secured to the trust anchor. We must assume that
the other superblocks were corrupted in the meantime by operating the Tresor
container and, anyway, these Superblocks are not used anymore.

Ref #5077
2024-04-12 15:00:45 +02:00
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