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Counterproductive how and to what/whom? For the sake of keeping DNS TXT entries and e-mail headers compact? Would you stand by this statement also in the contex
by daneel_w 2y ago
Counterproductive how and to what/whom? For the sake of keeping DNS TXT entries and e-mail headers compact? Would you stand by this statement also in the context of a certificate authority's root signing key, or an RSA host key for an ssh daemon?
- tptacek 2y agoThere is no plausible threat to 2048, but you'd still rather people switch off RSA, either to curves (because they're more resilient) or to lattices (for post-quantum). Pushing people to higher RSA key sizes is a waste of effort.