29 Sep '16, 3pm

Taking a U2F Hardware Key from Design to Production

Taking a U2F Hardware Key from Design to Production

Building a circuit from prototyping to printed circuit board assembly is within the reach of pretty much anyone with the will to get the job done. If that turns out to be something that everyone else wants, though, the job gets suddenly much more complex. This is what happened to [Conor], who started with an idea to create two-factor authentication tokens and ended up manufacturing an selling them on Amazon. He documented his trials and tribulations along the way , it’s both an interesting and perhaps cautionary tale. [Conor]’s tokens themselves are interesting in their simplicity: they use an Atmel ATECC508A specifically designed for P-256 signatures and keys, a the cheapest USB-enabled microcontroller he could find: a Silicon Labs EFM8UB1. His original idea was to solder all of the tokens over the course of one night, which is of course overly optimistic. Instead, he had...

Full article: http://hackaday.com/2016/09/29/taking-a-u2f-hardware-key-...

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