02-OpenSSL

SSL 协议

Secure Sockets Layer (SSL) protocol

什么是 OpenSSL

OpenSSL is a robust, commercial-grade, full-featured Open Source Toolkit for the Transport Layer Security (TLS) protocol formerly known as the Secure Sockets Layer (SSL) protocol.‘

OpenSSL 是实现SSL协议的开源工具包

OpenSSL的组成

digraph {
    subgraph  cluster_3{
        label="OpenSSL"
        "SSLeay library"[shape=box]
    }

}

openssl 其实包括三部分:
1. SSL协议库
2. 应用程序(openssl可执行程序)
3. 密码算法库(包括各类主流加密算法)


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