This document appears to be a preview of slides for a presentation at DEF CON 24 about compelled decryption. The slides discuss the difference between first and third parties in communications and the Communications Assistance for Law Enforcement Act. It also lists several third parties like technology companies and individuals that could potentially be compelled to decrypt communications. The document indicates that it is a preliminary version and the slides may be altered before the actual presentation.

1. Compelled Decryption
State of the Art Doctrinal Perversions
by Ladar Levison
Owner and Operator, Lavabit LLC
Version 1.0
July 8th
2016
DEF CON 24 PRESENTATION PREVIEW

2. PLEASE NOTE
THESE SLIDES ARE PRELIMINARY
EXPECT ALTERATIONS

10. First Party
vs
Third Party

14. Communications Assistance
for Law Enforcement Act
(aka CALEA)

31. Third Parties
Like Lavabit, Apple, WhatsApp, Telegram, Dell, Cisco
or CentOS, OpenSSL CipherShed
or Linus Torvalds, Gavin Andresen, Werner Koch
or you

53. Fin