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.

Extraction provenance

Model gpt-5.6-luna · prompt 1.5.19 · schema 1.5.19 · 2026-09-13T03:38:47.441932+00:00