Just a quick update: Some customers have reached out to me regarding Post Quantum Cryptography, and the Module-Lattice-based Key Encapsulation Mechanism (ML-KEM) Kyber in particular. I am not going to implement Kyber, but I will implement the NIST standardization of the algorithm, designated FIPS 203 ML-KEM, once the standard has been finalized. NIST is still making minor, but compatibility breaking modifications to the standard. An implementation that builds upon the original Kyber paper, or on the current FIPS 203 draft, WILL NOT be compatible with implementations that conform with the eventual FIPS 203 standard.

I have an internal version of an FIPS 203 implementation. If you are a subscriber and interested in providing feedback on the API, please contact me for beta access. I am currently working on FIPS 204 (ML-DSA), and plan on completing it before including the ML-KEM implementation in a release.

Support for FIPS 203 and FIPS 204 added in Release 4.0.1.341. However, please note that the there is still no support for using these algorithms in certificates, PKCS#7/CMS, or private key file formats, since that standardization process is still ongoing.