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)
Source code repositories (CVSweb)
File archive & mirrors
How to verify digital signatures
OVE IDs
What's new
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Openwall presentations
Also on Speaker Deck
Password cracking: past, present, future
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Solar Designer
OffensiveCon 2024
(May 10-11, 2024, Berlin, Germany)
Linux kernel remote logging: approaches, challenges, implementation
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Solar Designer
BSidesZagreb 2024
(March 1, 2024, Zagreb, Croatia)
15+ years of oss-security
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Solar Designer
SSTIC 2023
(June 7-9, 2023, Rennes, France)
BSidesLjubljana 2023
(June 16, 2023, Ljubljana, Slovenia)
Linux Kernel Runtime Guard (LKRG) in a nutshell
(32732 views)
Adam "pi3" Zabrocki
ArcticCon 2023
(October 12, 2023, Anchorage, Alaska)
OSTconf 2020
(August 10-13, 2020, online)
Linux Kernel Runtime Guard (LKRG) under the hood
(19046 views)
Adam "pi3" Zabrocki
CONFidence
2018 (June 4, 2018, Krakow, Poland)
Haswell metaprogramming
(17810 views)
Solar Designer
BSidesLjubljana 2017
(March 10, 2017, Ljubljana, Slovenia)
yescrypt: large-scale password hashing
(45059 views)
Solar Designer
BSidesLjubljana 2017
(March 10, 2017, Ljubljana, Slovenia)
john-devkit: specialized compiler for hash cracking
(23793 views)
Aleksey Cherepanov
PHDays 2015
(May 26-27, 2015, Moscow, Russia)
Is infosec a game?
(36422 views)
Solar Designer
ZeroNights 2014
(November 13-14, 2014, Moscow, Russia)
Energy-efficient bcrypt cracking
([an error occurred while processing this directive] views)
Katja Malvoni,
Solar Designer
, Josip Knezovic
FSEC 2014
(September 17-19, 2014, Varazdin, Croatia)
USENIX WOOT '14
(August 19, 2014, San Diego, CA)
Skytalks 2014
(August 8-10, 2014, Las Vegas, NV)
Passwords^14
(August 5-6, 2014, Las Vegas, NV)
Passwords^13 (December 2-3, 2013, Bergen, Norway)
yescrypt: password hashing scalable beyond bcrypt and scrypt
([an error occurred while processing this directive] views)
Solar Designer
PHDays 2014
(May 21-22, 2014, Moscow, Russia)
Looking inside the (Drop) box
([an error occurred while processing this directive] views)
(Security Analysis of Dropbox)
Dhiru Kholia, Przemyslaw Wegrzyn
USENIX WOOT '13
(August 13, 2013, Washington, D.C.)
Distributable probabilistic candidate password generators
(16749 views)
Simon Marechal
Passwords^12
(December 3-5, 2012, Oslo, Norway)
Automatic wordlists mangling rules generation
(30140 views)
Simon Marechal
Passwords^12
(December 3-5, 2012, Oslo, Norway)
New developments in password hashing: ROM-port-hard functions
(29874 views)
Solar Designer
ZeroNights 2012
(November 19-20, 2012, Moscow, Russia)
Password hashing at scale
(29556 views)
Solar Designer
YaC 2012
(October 1, 2012, Moscow, Russia)
Password security: past, present, future
(125228 views)
Solar Designer
, Simon Marechal
Passwords^12
(December 3-5, 2012, Oslo, Norway)
PHDays 2012
(May 30-31, 2012, Moscow, Russia)
IPv6: What, Why, How
(130771 views)
Jen Linkova aka Furry
Updated: October 15, 2009 (online version: index page, headings, text-only pages)
Updated: March 20, 2009 (Revision 1.0)
Initial release: March 18, 2009
Openwall GNU/*/Linux
(112421 views)
Solar Designer
, Rafal Wojtczuk
Open Source Security (March 17-18, 2005, Warsaw, Poland)
FOSDEM 2003
(February 8-9, 2003, Brussels, Belgium)
CanSecWest / core02
(May 1-3, 2002, Vancouver, Canada)
NordU2002 (February 18-22, 2002, Helsinki, Finland)
SSH Traffic Analysis
(64901 views)
Solar Designer
,
Dug Song
NordU2002 (February 18-22, 2002, Helsinki, Finland)
HAL2001
(August 10-12, 2001, Enschede, Netherlands)
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