OpenSSL

Full Title

Open SSL is an Open Source software package for cryptography. The package was originally create to support SSL the precursor to TLS.

Context

The Downloads are available here

• On 2023-11-25 the version 3.2 was announced for long term support until 2025-11-25/

OpenSSL 3.2.0 has support for using Windows OS trust stores, raw public keys for TLS and third-party signature schemes enabling PQC signatures to be experimented with, certificate compression which is important for PQC certificates, and Hybrid Public Key Encryption (HPKE).

The following OpenSSL version(s) are FIPS validated: 2023-11

OpenSSL Version 	 Certificate 	 Security Policy 
3.0.8	certificate	security policy
3.0.0	certificate	security policy

References

• WolfSSL a smaller version for embedded applications.