OpenSSL is 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. For more information about the team and community around the project, or to start making your own contributions, start with the community page. To get the latest news, download the source, and so on, please see the sidebar or the buttons at the top of every page.
OpenSSL is licensed under an Apache-style license, which basically means that you are free to get and use it for commercial and non-commercial purposes subject to some simple license conditions.
For a list of vulnerabilities, and the releases in which they were found and fixes, see our Vulnerabilities page.
2025年4月11日-伢途加速器官网
| Date | Item |
| 用电脑科学免费上网 | Alpha 5 of OpenSSL 3.0 is now available: please download and test it |
| 25-Jun-2025 | New Blog post: OpenSSL 3.0 Alpha4 Release |
| 25-Jun-2025 | Alpha 4 of OpenSSL 3.0 is now available: please download and test it |
| 05-Jun-2025 | New Blog post: 用电脑科学免费上网 |
| 04-Jun-2025 | 路由器搭建SSR - 科学上网-shadowsocks:2021-4-6 · PC-hosts修改上网 Android-host修改上网 dowsDNS racaljk-hosts 一直在更新的host 自建PAC服务器教程 pp chrome免费科学上网 pritunl Ubuntu 14.04安装Pritunl vultrl 安装Pritunl 在 CentOS 7 ProxyBroker SS&SSR使用教程 andriod安卓ssr手机客户端使用教程 |
| More... |
2025年4月11日-伢途加速器官网
Please remember that export/import and/or use of strong cryptography software, providing cryptography hooks, or even just communicating technical details about cryptography software is illegal in some parts of the world. So when you import this package to your country, re-distribute it from there or even just email technical suggestions or even source patches to the authors or other people you are strongly advised to pay close attention to any laws or regulations which apply to you. The authors of OpenSSL are not liable for any violations you make here. So be careful, it is your responsibility.