Episode
EP 12 — Crypto Wars
01 February 2018
Official episode
·
Official transcript
policy/law
The episode covers the first Crypto Wars, including US export controls on cryptography, legal challenges by cryptographers and the EFF, the Clipper Chip, DES cracking demonstrations, and the eventual adoption of stronger unrestricted encryption.
Topics: Cryptography and encryption, US export controls on cryptography, Crypto Wars, DES and 40-bit encryption, PGP and public access to cryptographic software, Cryptographic source code as protected speech, The Clipper Chip backdoor, DES brute-force cracking, AES and triple DES, End-to-end encryption, HTTPS deployment, Signal protocol, Privacy and civil-liberties implications of strong encryption
Official episode-page sources
Links published on the Darknet Diaries episode page. Not LLM output.
No Sources heading on this episode page.
Entities (40)
Claims (21)
Qualified statements from this episode, not graph facts.
Cindy Cohn
MEMBER_OF
Electronic Frontier Foundation
Cindy Cohn identifies herself as the Executive Director of the Electronic Frontier Foundation.
Explicit
Confidence 99%
· Cindy Cohn
EP 12
Details
“I’m the Executive Director of the Electronic Frontier Foundation.”
Cindy Cohn ·
offsets 1369–1434
Julius Caesar
USES
cryptography
Cindy says Caesar used a cipher as an early example of cryptography.
Explicit
Confidence 94%
· Cindy Cohn
EP 12
Details
“Caesar had a cypher that they used.”
Cindy Cohn ·
offsets 1951–1986
Enigma machine
USES
cryptography
The Enigma machine was used to code messages during World War II.
Explicit
Confidence 94%
· Cindy Cohn
EP 12
Details
“the enigma machine which they were using to code”
Cindy Cohn ·
offsets 2079–2127
PGP
DEVELOPED_BY
Phil Zimmermann
Jack says Phil Zimmermann developed PGP as a more secure way of communicating.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“Phil Zimmermann, a software engineer, developed a much more secure way of communicating called PGP”
Jack Rhysider ·
offsets 7518–7616
PGP
USES
cryptography
PGP is presented as a cryptographic method used for secure communication.
Derived
Confidence 91%
· Jack Rhysider
EP 12
Details
“Businesses started using PGP as a form of communicating trade secrets and sensitive data.”
Jack Rhysider ·
offsets 8674–8763
Bernstein v. Department of Justice
INVOLVES
Electronic Frontier Foundation
The EFF handled the Bernstein v. Department of Justice lawsuit.
Explicit
Confidence 99%
· Cindy Cohn
EP 12
Details
“We handled one called Bernstein vs. Department of Justice.”
Cindy Cohn ·
offsets 12223–12281
Bernstein v. Department of Justice
INVOLVES
Dan Bernstein
The Bernstein case involved Dan Bernstein, who wanted to publish his cryptographic ideas and source code.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“Dan Bernstein was developing encryption methods that were above the regulated limit.”
Jack Rhysider ·
offsets 12316–12400
Bernstein v. Department of Justice
INVOLVES
US Department of Justice
Bernstein brought the legal challenge against the US Department of Justice.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“Bernstein decided to do battle against the [00:15:00] US Department of Justice”
Jack Rhysider ·
offsets 12847–12925
Bernstein v. Department of Justice
INVOLVES
Cindy Cohn
Cindy Cohn personally helped Dan Bernstein in the case.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“he got help from the EFF; specifically, Cindy Cohn herself.”
Jack Rhysider ·
offsets 12930–12989
Bernstein v. Department of Justice
INVOLVES
cryptography
The case concerned publishing cryptographic code and ideas.
Explicit
Confidence 96%
· Cindy Cohn
EP 12
Details
“We wanted people to be able to publish and share strong encryption on the internet”
Cindy Cohn ·
offsets 13311–13393
Clipper Chip
USES
cryptography
The Clipper Chip was developed as a mechanism for electronically encrypting data.
Explicit
Confidence 97%
· Jack Rhysider
EP 12
Details
“a new way to encrypt data electronically using a specialized computer microchip”
Jack Rhysider ·
offsets 15421–15500
AT&T
USES
Clipper Chip
AT&T added the Clipper Chip to its phone after the government urged it to do so.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“AT&T added the Clipper Chip into the phone”
Jack Rhysider ·
offsets 15911–15953
Clipper Chip
DISCOVERED_BY
Matt Blaze
Matt Blaze demonstrated that the Clipper Chips were insecure and exposed flaws in their design.
Explicit
Confidence 99%
· Cindy Cohn
EP 12
Details
“Matt Blaze, who’s now a professor at the University of Pennsylvania of Computer Science, a very famous computer science professor demonstrated that these Clipper Chips were really insecure”
Cindy Cohn ·
offsets 16532–16720
DES Cracker
DEVELOPED_BY
Electronic Frontier Foundation
The EFF created the DES Cracker to demonstrate that DES was not sufficiently secure.
Explicit
Confidence 99%
· Cindy Cohn
EP 12
Details
“EFF created a tool called the DES Cracker.”
Cindy Cohn ·
offsets 20268–20310
DES Cracker
AFFECTS
DES
The DES Cracker was a hardware tool capable of breaking DES.
Explicit
Confidence 99%
· Cindy Cohn
EP 12
Details
“It was a hardware tool that basically, very cheaply, could break DES.”
Cindy Cohn ·
offsets 20331–20400
Deep Crack
SAME_AS
DES Cracker
Jack says the EFF called the DES-cracking tool Deep Crack.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“The EFF called this tool Deep Crack”
Jack Rhysider ·
offsets 20757–20792
Deep Crack
AFFECTS
DES
Deep Crack could crack a DES message in 56 hours.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“could crack a DES message in just 56 hours”
Jack Rhysider ·
offsets 20797–20839
Advanced Encryption Standard
RELATED_TO
DES
AES was released as a newer and substantially stronger cipher than DES.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“They released a new cypher called Advanced Encryption Standard, or AES.”
Jack Rhysider ·
offsets 21906–21977
triple DES
RELATED_TO
DES
Triple DES is described as a stronger version of DES.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“They also allowed triple DES which was a stronger version of DES.”
Jack Rhysider ·
offsets 22046–22111
HTTPS Everywhere
DEVELOPED_BY
Electronic Frontier Foundation
Jack says the EFF creates tools such as HTTPS Everywhere.
Explicit
Confidence 99%
· Jack Rhysider
EP 12
Details
“The EFF creates tools like HTTPS everywhere”
Jack Rhysider ·
offsets 23973–24016
Signal
ASSOCIATED_WITH
cryptography
Signal is presented as a protocol used for end-to-end encrypted messaging.
Explicit
Confidence 95%
· Jack Rhysider
EP 12
Details
“Facebook uses a protocol called Signal to do end-to-end encryption”
Jack Rhysider ·
offsets 24312–24378
Transcript references
Works mentioned in the transcript. Distinct from show-note sources.
Applied Cryptography
book · Bruce Schneier
Darknet Diaries
podcast · Jack Rhysider
darknetdiaries.com
website
Extraction provenance
Model gpt-5.6-luna · prompt 1.5.19 · schema 1.5.19
· 2026-09-13T03:38:47.441932+00:00