ftp://ftp.song.fi/pub/mirrors/cpan/modules/by-category/14_Security_and_Encryption/  direct

[DIR]User/  direct  2174+ twin directories
[DIR]SHA/  direct  432+ twin directories
[DIR]RADIUS/  direct  596+ twin directories
[DIR]PGP/  direct  618+ twin directories
[DIR]OpenCA/  direct  426+ twin directories
[DIR]Nmap/  direct  373+ twin directories
[DIR]Nagios/  direct  356+ twin directories
[DIR]Maypole/  direct  492+ twin directories
[DIR]MD5/  direct  1510+ twin directories
[DIR]HoneyClient/  direct  333+ twin directories
[DIR]GnuPG/  direct  470+ twin directories
[DIR]Fuzz/  direct  320+ twin directories
[DIR]Digest/  direct  2552+ twin directories
[DIR]Des/  direct  398+ twin directories
[DIR]Decision/  direct  788+ twin directories
[DIR]DES/  direct  534+ twin directories
[DIR]Crypt/  direct  3175+ twin directories
[DIR]Authen/  direct  1895+ twin directories