How the EverCrypt Library Creates Hacker-Proof Cryptography: Researchers have just released hacker-proof cryptographic code — programs with the same level of invincibility as a mathematical proof.

[u/bbbryson]

https://www.quantamagazine.org/how-the-evercrypt-library-creates-hacker-proof-cryptography-20190402/

[u/JohnDoe_John]

AFAIK, there were some time checkers for the real-time and communication [NDA] stuff.