...do you think PQC-sized public keys might become a challenge?
I attached to my prior list message the same PQC key that was rejected by keys.openpgp.org when I tried to upload it. It’s 3106 bytes, ASCII-armored.
PQ keys with SPHINCS+ signatures (SLH-DSA, FIPS-205) will obviously be much bigger, not to mention PQ keys with a Classic McEliece encryption subkey if we could please get that wired in from the libgcrypt support added last year. (Pretty please?) I know that *you* know the difference between that and a little lettuce 🥬,[0] but other -users members may not.
I’ve been trying to figure out some hackish workarounds for the potential sizes of such keys. It’s off-topic for -users, and not ready yet; anyone who is interested now may contact me off-list, preferably using PQ-PGP.
[0] Apologies to non-English speakers. I stole the lettuce/lattice joke from some cryptography talk I saw somewhere, where the presenter made the same apology.
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