John McMaster - Replicating a Secure Telephone Key

Описание: The STU-III secure telephone was originally developed by the NSA for defense use in the 1980’s but also saw use in unclassified commercial products like the Motorola Sectel 9600. However, they require difficult to find electromechanical keys. I will describe the process of creating a compatible key for the Sectel 9600 by reverse engineering the mechanical and electrical design and subsequently fabricating it. Along the way I’ll discuss low volume manufacturing issues and strategies to overcome.

Read the article on Hackaday:
https://hackaday.com/?p=388284

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  / johndmcmaster  

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