OpenSSL

Written inC, Assembly, PerlTypeCryptographylibraryLicense3.0 and later: Apache-2.0
1.x and earlier: OpenSSLWebsitewww.openssl.orgRepository

OpenSSL is a software library for applications that provide secure communications over computer networks against eavesdropping, and identify the party at the other end. It is widely used by Internetservers, including the majority of HTTPSwebsites.

OpenSSL contains an open-source implementation of the SSL and TLS protocols. The core library, written in the C programming language, implements basic cryptographic functions and provides various utility functions. Wrappers allowing the use of the OpenSSL library in a variety of computer languages are available.

The OpenSSL Software Foundation (OSF) represents the OpenSSL project in most legal capacities including contributor license agreements, managing donations, and so on. OpenSSL Software Services (OSS) also represents the OpenSSL project for support contracts.

OpenSSL is available for most Unix-likeoperating systems (including Linux, macOS, and BSD), Microsoft Windows and OpenVMS.