No POD found for Attributes.pm. Time to read the source?
Attributes.pm
To install Crypt::PKCS11, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Crypt::PKCS11
CPAN shell
perl -MCPAN -e shell install Crypt::PKCS11
For more information on module installation, please visit the detailed CPAN module installation guide.