Products Openwall GNU/*/Linux   server OS Linux Kernel Runtime Guard John the Ripper   password cracker Free & Open Source for any platform in the cloud Pro for Linux Pro for macOS Wordlists   for password cracking passwdqc   policy enforcement Free & Open Source for Unix Pro for Windows (Active Directory) yescrypt   KDF & password hashing yespower   Proof-of-Work (PoW) crypt_blowfish   password hashing phpass   ditto in PHP tcb   better password shadowing Pluggable Authentication Modules scanlogd   port scan detector popa3d   tiny POP3 daemon blists   web interface to mailing lists msulogin   single user mode login php_mt_seed   mt_rand() cracker Services Publications Articles Presentations Resources Mailing lists Community wiki Source code repositories (GitHub) File archive & mirrors How to verify digital signatures OVE IDs What's new

Openwall GNU/*/Linux presentation slides

These are the slides we used at NordU2002, CanSecWest / core02, and FOSDEM 2003 (with updates). (A Polish translation was also used at Open Source Security 2005.)

There are downloadable versions in multiple formats.