Crypt::Perl::X509::Extension::authorityKeyIdentifier
my $usage_obj = Crypt::Perl::X509::Extension::authorityKeyIdentifier->new( keyIdentifier => $key_id_octet_string, #optional authorityCertIssuer => [ [ dNSName => '..' ], .. ], authorityCertSerialNumber => $auth_cert_serial_num );
https://tools.ietf.org/html/rfc5280#section-4.2.1.1
To install Crypt::Perl, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Crypt::Perl
CPAN shell
perl -MCPAN -e shell install Crypt::Perl
For more information on module installation, please visit the detailed CPAN module installation guide.