scan to add contact
my pubkeys crypto ยท signing

age

x25519
compose age.txt

recipient

age19a7ts0ds66x6krvrup7z8tnsry677527kwkqaqcnd7uytpdzfvsqs79e5x

encrypt

$ age -a -r age19a7ts0ds66x6krvrup7z8tnsry677527kwkqaqcnd7uytpdzfvsqs79e5x < msg.txt
scan for recipient

signing

ed25519
signing.pub

sha-256 fingerprint (spki)

551ec9d0d47ab480219ed7d2b466265a7b72c85fb41c90ea32d8e1dbbf0927c9

verify a signature

$ base64 -d file.sig > sig && openssl pkeyutl -verify -pubin -inkey signing.pub -rawin -in file -sigfile sig
scan for fingerprint