this post was submitted on 01 Oct 2024
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Hi,

I've seen some tutorial to create EdDSA key with Gnupg

gpg --full-gen-key

and it's supposed to allow me to create ECC key, but I see only

Please select what kind of key you want:
(1) RSA and RSA (default)
(2) DSA and Elgamal
(3) DSA (sign only)
(4) RSA (sign only)
(14) Existing key from card
Your selection?\

gpg --version show:

...
gpg (GnuPG) 2.2.27
Supported algorithms:
Pubkey: RSA, ELG, DSA, ECDH, ECDSA, EDDSA
...

Any idea what's wrong ?

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[–] delirious_owl@discuss.online 1 points 1 hour ago

Unless you're working with embedded chips with very small storage space, I'd recommend 4098-bit RSA

[–] Anafabula@discuss.tchncs.de 5 points 3 hours ago

I remember on some distros I had to add --expert, never checked why. Maybe was an old version.

gpg --expert --full-gen-key