blkdeactivate (8) - utility to deactivate block devices
gendsa (1ssl) - generate a DSA private key from a set of parameters
genpkey (1ssl) - generate a private key
genrsa (1ssl) - generate an RSA private key
lvm2-activation-generator (8) - generator for systemd units to activate LVM2 ...
Mail::DKIM::PrivateKey (3pm) - a private key loaded in memory for DKIM signing
ntp-keygen (8) - generate public and private keys
pkcs8 (1ssl) - PKCS#8 format private key conversion tool
pkey (1ssl) - public or private key processing tool
ssh-add (1) - adds private key identities to the authentication agent
systemd-activate (8) - Test socket activation of daemons