i believe the cryptomuseum has a more extensive list than the one in the link: https://www.cryptomuseum.com/intel/nsa/backdoor.htm https://www.cryptomuseum.com/

i believe the cryptomuseum has a more extensive list than the one in the link: https://www.cryptomuseum.com/intel/nsa/backdoor.htm https://www.cryptomuseum.com/intel/nsa/backdoor.htm particularly one is interesting as i have reverse engineered and proven its existence: https://www.cryptomuseum.com/crypto/philips/px1000/nsa.htm https://www.cryptomuseum.com/crypto/philips/px1000/nsa.htm