其主要函式库是以C语言所写成,实作了基本的加密功能,实作了SSL与TLS协定。OpenSSL可以运行在绝大多数类Unix操作系统上(包括Solaris,Linux,Mac OS X与各种版本的开放源代码BSD操作系统),OpenVMS与 Microsoft Windows。它也提供了一个移植版本,可以在IBM i(OS/400)上运作。
英语百科
OpenSSL
In computer networking, OpenSSL is a software library to be used in applications that need to secure communications against eavesdropping or need to ascertain the identity of the party at the other end. It has found wide use in internet web servers, serving a majority of all web sites.