Follow @Openwall on Twitter for new release announcements and other news

Openwall presentations

Also on Speaker Deck

Linux Kernel Runtime Guard (LKRG) 1.0 (16118 views)
Solar Designer
Nullcon Berlin 2025 (September 4-5, 2025, Berlin, Germany)

Password cracking: past, present, future (51130 views)
Solar Designer
OffensiveCon 2024 (May 10-11, 2024, Berlin, Germany)

Linux kernel remote logging: approaches, challenges, implementation (17807 views)
Solar Designer
BSidesZagreb 2024 (March 1, 2024, Zagreb, Croatia)

15+ years of oss-security (34093 views)
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 (56244 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 (32830 views)
Adam "pi3" Zabrocki
CONFidence 2018 (June 4, 2018, Krakow, Poland)

Haswell metaprogramming (31156 views)
Solar Designer
BSidesLjubljana 2017 (March 10, 2017, Ljubljana, Slovenia)

yescrypt: large-scale password hashing (61665 views)
Solar Designer
BSidesLjubljana 2017 (March 10, 2017, Ljubljana, Slovenia)

john-devkit: specialized compiler for hash cracking (36856 views)
Aleksey Cherepanov
PHDays 2015 (May 26-27, 2015, Moscow, Russia)

Is infosec a game? (50362 views)
Solar Designer
ZeroNights 2014 (November 13-14, 2014, Moscow, Russia)

Energy-efficient bcrypt cracking (100264 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 (70448 views)
Solar Designer
PHDays 2014 (May 21-22, 2014, Moscow, Russia)

Looking inside the (Drop) box (59000 views)
(Security Analysis of Dropbox)
Dhiru Kholia, Przemyslaw Wegrzyn
USENIX WOOT '13 (August 13, 2013, Washington, D.C.)

Distributable probabilistic candidate password generators (30130 views)
Simon Marechal
Passwords^12 (December 3-5, 2012, Oslo, Norway)

Automatic wordlists mangling rules generation (43706 views)
Simon Marechal
Passwords^12 (December 3-5, 2012, Oslo, Norway)

New developments in password hashing: ROM-port-hard functions (54057 views)
Solar Designer
ZeroNights 2012 (November 19-20, 2012, Moscow, Russia)

Password hashing at scale (43903 views)
Solar Designer
YaC 2012 (October 1, 2012, Moscow, Russia)

Password security: past, present, future (159204 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 (150039 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 (127832 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 ([an error occurred while processing this directive] views)
Solar Designer, Dug Song
NordU2002 (February 18-22, 2002, Helsinki, Finland)
HAL2001 (August 10-12, 2001, Enschede, Netherlands)

Please also check out our articles. [an error occurred while processing this directive]