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I'm curious whether there is any info on the dev team who created the PX-1000 (where PC-1000Cr is implemented). Any more info on how the NSA got a backdoor inserted? There's [1] which gives a general overview.

This seems like a fascinating story, would be happy to read more!

[1] https://www.cryptomuseum.com/crypto/philips/px1000/nsa.htm

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afaik the firmware was developed by philips ufsa[1] based on directions (test vectors?) by the NSA, lots of effort was put into making the algo run efficiently on the CPU in the px1000.

[1] https://www.cryptomuseum.com/crypto/philips/usfa.htm

also interesting might be this generic link unrelated to the NSA backdoor: https://cryptomuseum.com/crypto/philips/px1000/

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