The Peterman Pod
The Peterman Pod
Ryan Peterman
Turing Award Winner: NSA, Public Key Cryptography, Crypto Wars | Martin Hellman
1 hour 1 minutes Posted Jul 6, 2026 at 10:00 am.
Martin Hellman is a Turing Award winner who helped to invent public-key cryptography against the NSA's wishes. I interviewed him all about his work and why it broke the law at the time.• My ergonomic keyboard project I mentioned, you can follow along here: https://read.compose.llc/• The Kickstarter page for it: https://www.kickstarter.com/projects/ryanlpeterman/compose-simple-ergonomics-beautifully-donePodcast links:• YouTube: https://youtu.be/AZLOETBCQM4• Apple: https://podcasts.apple.com/us/podcast/the-peterman-pod/id1777363835• Transcript: https://www.developing.dev/p/turing-award-winner-nsa-public-keyThank you to this episode's sponsor for supporting my work:• WorkOS: makes your app Enterprise Ready with easy to use APIs to add SSO, SCIM, RBAC, and more in just a few lines of code, check them out at https://workos.com/Timestamps:
Intro
Why his work broke the law
How people did encryption before
The crypto wars
The story behind Diffie Hellman key exchange
Signatures vs key exchange
RSA patent wars
Why inventions happen at similar times
What he worked on after cryptography
His thoughts on death
Advice for his younger self
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Martin Hellman is a Turing Award winner who helped to invent public-key cryptography against the NSA's wishes. I interviewed him all about his work and why it broke the law at the time.• My ergonomic keyboard project I mentioned, you can follow along here: https://read.compose.llc/• The Kickstarter page for it: https://www.kickstarter.com/projects/ryanlpeterman/compose-simple-ergonomics-beautifully-donePodcast links:• YouTube: https://youtu.be/AZLOETBCQM4• Apple: https://podcasts.apple.com/us/podcast/the-peterman-pod/id1777363835• Transcript: https://www.developing.dev/p/turing-award-winner-nsa-public-keyThank you to this episode's sponsor for supporting my work:• WorkOS: makes your app Enterprise Ready with easy to use APIs to add SSO, SCIM, RBAC, and more in just a few lines of code, check them out at https://workos.com/Timestamps:(00:00) Intro(00:34) Why his work broke the law(08:39) How people did encryption before(18:51) The crypto wars(26:22) The story behind Diffie Hellman key exchange(36:48) Signatures vs key exchange(43:05) RSA patent wars(48:08) Why inventions happen at similar times(50:29) What he worked on after cryptography(57:31) His thoughts on death(59:40) Advice for his younger self(01:00:45) OutroWhere to find Martin:• Wikipedia: https://en.wikipedia.org/wiki/Martin_Hellman• Website: https://ee.stanford.edu/~hellman/Where to find Ryan:• Newsletter: https://www.developing.dev/• X/Twitter: https://x.com/ryanlpeterman• LinkedIn: https://www.linkedin.com/in/ryanlpeterman/• Threads: https://www.threads.com/@ryanlpeterman• Instagram: https://www.instagram.com/ryanlpeterman• TikTok: https://www.tiktok.com/@ryanlpetermanReferenced in this episode:• Martin Hellman's “The Evolution of Public Key Cryptography”: https://www.youtube.com/watch?v=Tev3tVzH91s• Keys Under Doormats: https://cacm.acm.org/opinion/keys-under-doormats/• Cryptography's Role in Securing the Information Society (CRISIS report): https://nap.nationalacademies.org/catalog/5131/cryptographys-role-in-securing-the-information-society• Secure Communications Over Insecure Channels: https://doi.org/10.1145/359460.359473• New Directions in Cryptography: https://doi.org/10.1109/TIT.1976.1055638