/usr/bin/seccure-decrypt
/usr/bin/seccure-dh
/usr/bin/seccure-encrypt
/usr/bin/seccure-key
/usr/bin/seccure-signcrypt
/usr/bin/seccure-sign
/usr/bin/seccure-veridec
/usr/bin/seccure-verify
You may install this package on Debian with
apt-get
install seccure