OpenSSL
https://github.com/EpicGames/zen/tree/main/thirdparty/
OpenSSL is an open source project that provides a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library.
http://www.openssl.org/source/license.html
Licensees
Git
P4
https://github.com/EpicGames/zen/tree/main/thirdparty/licenses