What's OpenSSL OpenSSL 是一个开源的面向安全传输层(TLS)和安全套接层(SSL)的工具集 genrsa 命令 主要用于生成 RSA 私匙 genrsa [https://www.openssl.org/docs/manmaster/man1/genrsa.html] 的命令格式如下: openssl genrsa [-help] [-out filename] [-passout arg] [-aes128] [-aes192] [-aes256] [-aria128] [-aria192] [-aria256] [-camellia128] [-camellia192] [-camellia256] [-des] [-des3] [-idea] [-f4] [-3] [-rand file(s)