Signify

Sign and verify files

Generate keys without password (remove -n flag to ask for a password)

signify-openbsd -G -p keyname.pub -s keyname.sec -n

Sign a file

signify-openbsd -S -s keyname.sec -m $file_to_sign -x $signature_file

Verify a file

signify-openbsd -V -p keyname.pub -m $file_to_verify -x $signature_file