按照文章给Nginx配置一个自签名的SSL证书中给出的代码生成自签名证书后，发现使用chrome浏览器访问会报 Invalid self signed SSL cert – “Subject Alternative Name Missing” 的错误，原因是 “没有备份的主题名称”，因而需要在生成的证书中加入备份的主题名称，于是基于liaoxuefeng老师的代码稍微修改了一下，使其能生成包含备份主题名称的证书了。代码如下：
#!/bin/bash
create self-signed server certificate:
read -p "Enter your domain [www.example.com]: " DOMAIN
echo "Create server key..."
openssl genrsa -des3 -out $DOMAIN.key 1024
echo "Create server certificate signing request..."
SUBJECT="/C=US/ST=Mars/L=iTranswarp/O=iTranswarp/OU=iTranswarp/CN=$DOMAIN"
openssl req -new -subj $SUBJECT -key $DOMAIN.key -out $DOMAIN.csr
echo "Remove password..."
mv $DOMAIN.key $DOMAIN.origin.key
openssl rsa -in $DOMAIN.origin.key -out $DOMAIN.key
echo "Sign SSL certificate..."
echo "Gen subject ext file..."
echo "keyUsage = nonRepudiation, digitalSignature, keyEncipherment
extendedKeyUsage = serverAuth, clientAuth
subjectAltName=@SubjectAlternativeName
[ SubjectAlternativeName ]
IP.1 = $DOMAIN" > $DOMAIN.ext
openssl x509 -req -days 3650 -in $DOMAIN.csr -signkey $DOMAIN.key -out $DOMAIN.crt -extfile $DOMAIN.ext
echo "TODO:"
echo "Copy $DOMAIN.crt to /etc/nginx/ssl/$DOMAIN.crt"
echo "Copy $DOMAIN.key to /etc/nginx/ssl/$DOMAIN.key"
echo "Add configuration in nginx:"
echo "server {"
echo " ..."
echo " listen 443 ssl;"
echo " ssl_certificate /etc/nginx/ssl/$DOMAIN.crt;"
echo " ssl_certificate_key /etc/nginx/ssl/$DOMAIN.key;"
echo "}"
转载请注明出处，原文地址: https://www.cnblogs.com/AcAc-t/p/generate_self_signed_ip_certificate.html
参考
给Nginx配置一个自签名的SSL证书: https://www.liaoxuefeng.com/article/990311924891552
正确使用 OpenSSL 自签发代码|邮件|域名|IP 证书: https://vircloud.net/operations/sign-ip-crt.html/comment-page-1
签名：拥抱开源，拥抱自由
Original: https://www.cnblogs.com/AcAc-t/p/generate_self_signed_ip_certificate.html
Author: 及时
Title: 生成符合chrome要求的自签名HTTPS证书
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