Installing LMS along Volumio

$ sudo apt-get install libcrypt-openssl-rsa-perl wget
Reading package lists… Done
Building dependency tree
Reading state information… Done
Package libcrypt-openssl-rsa-perl is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package ‘libcrypt-openssl-rsa-perl’ has no installation candidate