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Well, hopefully they get into a habit of routinely rotating the key.


Would that not break your system though? I admit my lack of knowledge in public key infrastructure.


I just checked and it looks like[1] this happens at least once a year, specifically to guard against this kind of attack. It doesn’t break the chain of hashes though.

1: https://www.euspa.europa.eu/sites/default/files/calls_for_pr...




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