Links
-
Recent Posts
Recent Comments
Archives
- December 2019
- November 2019
- October 2019
- September 2019
- August 2019
- July 2019
- June 2019
- May 2019
- April 2019
- March 2019
- February 2019
- January 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
Meta
Category Archives: crypto
John McMaster Explains Crypto Ignition Phone Keys and How to Reproduce Them
When you’re a nation state, secure communications are key to protecting your sovereignty and keeping your best laid plans under wraps. For the USA, this requirement led to the development of a series of secure telephony networks over the years. John McMaster found himself interested in investigating the workings of …read more
Posted in 2019 Hackaday Superconference, CIK, cons, crypto, cryptography, security hacks, stu-iii, Supercon
Leave a comment
Rebuilding The First Vocal Encryption System
Back in the early days of radio, it was quickly apparent that the technology would revolutionize warfare, but only if some way could be found to prevent enemies from hearing what was said. During World War II, the Allies put a considerable amount of effort into securing vocal transmissions, resulting in a system called SIGSALY – 50 tons of gear developed by Bell Laboratories with the help of Alan Turing that successfully secured communications between the likes of Churchill and Roosevelt during the war.
Now, a small piece of the SIGSALY system lives again, in the form of a period-faithful …read more
Posted in adc, classic hacks, crypto, encryption, quantizer, SIGSALY, thyratron, vacuum tube, vocoder
Leave a comment
This Year, Badges Get Blockchains
This year’s hottest new advance in electronics comes through wearable badges. You can’t have failed to notice another technology that’s getting really hot. It’s the blockchain. What is a blockchain? It’s a linked list where every item in the list contains a cryptographic hash of the previous item in the list. What is a blockchain in English? It’s the most revolutionary technology that’s going to solve every problem on the planet, somehow. It’s the basis for crypto (no not that one, the other one). The blockchain is how you add more Lamborghinis to your Lamborghini account. Even though we’re …read more
Posted in badge, badgelife, blockchain, crypto, hardware
Leave a comment