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Enigma Sim on ww2crypto.online by Brian Neal
In 2012, Brian Neal successfully completed our Enigma Challenge. Since then, he was hooked on crypto machines and started that same year his own Py-Enigma project which found its way to GitHub. Last...
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20 Years of Cryptologic Challenges
This year marks 20 years since we published our first cryptologic challenge. It all started in early 2006 with the Enigma Challenge to decrypt ten messages. Although the challenge was a one-time event,...
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Operation Tinker Bell has Relocated to the Website!
Operation Tinkel Bell has moved to the Cipher Machines and Cryptology website. The move offers more flexibility for HTML and maintenance, and a broader audience. It's also easier to switch from the...
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Podcast Nuggets Episode 11
Click for moreWe're back with Podcast Nuggets, but this time only two podcasts due to some radio silence. You're nevertheless in for a treat. The first one is from Katerina Urban Richterova, the Slovak...
View ArticleRalph Simpson on Cracking the Enigma
Ralph Simpson was speaker of the month at the California Historical Radio Society where he gave a talk on the early development of encryption devices. He focused on the Enigma cipher machine, its...
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A Call to Former KL-7 and KL-47 Operators
TSEC/KL-7 © Dirk RijmenantsThe TSEC/KL-7 crypto machine was developed by the Army Security Agency (ASA) and Armed Forces Security Agency (AFSA) under the name AFSAM-7, and introduced in 1953 by the...
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Martin Gillow's Virtual Colossus and Other Machines
The Virtual Colossus© Image Martin GillowThe history of crypto equipment is quite fascinating, but diving into the archives, searching for historical publications, or collecting those old machines is...
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Crypto's Cast with Dr. Carola Dahlke as First Guest
I'm pleased to announce the first guest on our brand new Crypto's Cast. The goal is to bring interesting bite-size stories for crypto enthusiasts, but also to tickle the interest of listeners with...
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Ringway Manchester
Ringway ManchesterThe Ringway Manchester YouTube channel is a fascinating journey into radio waves, but hard to describe, as it covers so many subjects with signals as the common theme. Lewis created...
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Podcast Nuggets Episode 10
Click for moreAfter a long break, we resume the Podcast Nuggets series, covering a selection of excellent talks about signals, intelligence, wars and espionage. In other words, ordinary everyday life....
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Cipher Machines 3D-CT Digitalisation
The Deutsches Museum in Munich made available a large collection of Cipher Machines 3D CT scans. The 3D-CT digitization project for historical cipher machines uses computed tomography, based on X-ray...
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20 Years Cipher Machines and Cryptology!
Welcome to 2024! This year, the Cipher Machines and Cryptology website also celebrates its 20th anniversary. It all started in the first days of 2004 with a tiny users page on a server, to share the...
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The First Compiled History of the KL-7
TSEC/KL-7 © Dirk RijmenantsThe TSEC/KL-7 was the first rotor cipher machine to use electronics, and although the KL-7 had excellent cryptographic properties, its track record is what made this machine...
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Crypto Tour – Discover Real Crypto Websites
Click to start tourWhat is Crypto? These days, you won’t even get the correct answer from Google. Instead, you get hundreds of hits on crypto currency websites, top ranking on Google because they...
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Computers and Cryptography
The development of computers is closely intertwined with the history of cryptography, and vice versa. The mechanization of cryptography during the early 20th century slowly began to exceed the skills...
View ArticleMission: Impossible - Cyber Security
Cyber security is an ever-evolving battle that we can never win. The reason is simple. Virtually no one actually knows what is running on their computer at this very moment. And yes, that's a bit...
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RN Communications Branch Museum/Library
HMS MercuryRoyal Navy Signals SchoolSometimes you need serendipity to discover a fascinating website. I researched the TSEC/KL-7 cipher machine for long and was able to find the few declassified...
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Joseph Helmich – The KL-7 for Cash Spy Case
Joseph George HelmichThe John Walker spy case from 1985 was covered extensively by the press. In 1968 he sold the technical details of the KL-47 crypto machine (Navy version of the KL-7) to the Soviets...
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History of the TSEC/KL-7 Documented
TSEC/KL-7 © Photo Dirk RijmenantsThe U.S. AFSAM-7 crypto machine, later renamed KL-7, was a 1950s marvel of technology that combined the latest cryptologic knowledge and electronics. Thanks to...
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Podcast Nuggets Episode 9
Click for moreIt's been quite a while since the last podcast nuggets, due to the move of our website and other time consuming stuff, but again we have a selection of amazing interviews.Learn to fly...
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