Generate RS512, RS384 and RS256 keys

RS512 ssh-keygen -t rsa -b 4096 -E SHA512 -m PEM -P "" -f RS512.key openssl rsa -in RS512.key -pubout -outform PEM -out RS512.key.pub RS384 ssh-keygen -t rsa -b 4096 -E SHA384 -m PEM -P "" -f RS384.key openssl rsa -in RS384.key -pubout -outform PEM ...