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

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 https://www.cryptomuseum.com/crypto/philips/usfa.htm