Package: sssd-common

"sssd-common" package binaries on CentOS:

/usr/bin/sss_ssh_authorizedkeys /usr/bin/sss_ssh_knownhostsproxy /usr/sbin/sss_cache /usr/sbin/sssd

You may install this package on CentOS with yum install sssd-common

"sssd-common" package binaries on Debian:

/usr/bin/sss_ssh_authorizedkeys /usr/bin/sss_ssh_knownhostsproxy /usr/sbin/sssd

You may install this package on Debian with apt-get install sssd-common