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Counterfeit DTMF

2017-08-21 20:35:09.688955+02 by Dan Lyke 0 comments

Examining a vintage RAM chip, I find a counterfeit with an entirely different die inside.

This is fascinating, and, since it's a chip for generating DTMF tones in a touch tone phone, it got me thinking about supply chains and cell phones and how much we trust the devices on which we use encrypted messaging services...

[ related topics: Cryptography ]

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