There is (was?) a Chinese chip that has a similar purpose: https://en.wikipedia.org/wiki/Hengzhi_chip https://en.wikipedia.org/wiki/Hengzhi_chip I suppose this

There is (was?) a Chinese chip that has a similar purpose: https://en.wikipedia.org/wiki/Hengzhi_chip https://en.wikipedia.org/wiki/Hengzhi_chip I suppose this is to promote self-reliance in security technologies.