sh脚本生成自签名文件 内容如下 openssl req -x509 -nodes \ -sha512 \ -newkey rsa:2048 \ -days 3650 \ -subj "/C=CN/ST=Hunan/L=Changsha/O=Test/OU=Test/CN=1.2.3.4" \ -keyout self_signed.key \ -out self_signed.crt \ -config /etc/ssl/openssl.cnf \ -extensions v3_req