The AMD–Chinese joint venture is the agreement between the American semiconductor company Advanced Micro Devices (AMD) and China-based partners to license and build x86-compatible CPUs for the Chinese-based market.
[7] Due to legal restrictions AMD has set up multiple companies to allow licensing of x86 technology to China.
[8] On June 24, 2019, the U.S. government placed one of the parent companies, and thus the joint venture, on its export control Entity List,[9][10] which bans further technology transfers from AMD and possibly[citation needed] hampers its existing operations.
The opinion of Anandtech is that further AMD involvement in the joint venture will be minimal due to the ban.
[7] The cryptography extensions like AES have been replaced by Chinese versions called SM2, SM3 and SM4 which are according to Anandtech are very similar to ECC(-based), SHA-256 and AES-128 algorithms respectively.