现在腾讯提供免费的一年证书，地址：https://console.qcloud.com/ssl

Nginx重定向 http 自动跳转 https

server
    {
        listen 80;
        server_name app.typecho.me;
        index index.html index.htm index.PHP;
        rewrite ^/(.*)$ https://plugins.typecho.me/$1 permanent;
    }

配置ssl证书：

server
    {
        listen 443;
        #listen [::]:80;
        server_name app.typecho.me;
        index index.html index.htm index.PHP;
        root  /app;
    ssl on;
    ssl_certificate /ssl/app.typecho.me_cert.crt;
    ssl_certificate_key /ssl/app.typecho.me.key;
    include typecho.conf;
    #error_page   <a href="/tag/404/" target="_blank" class="keywords">404</a>   /<a href="/tag/404/" target="_blank" class="keywords">404</a>.html;
    include enable-<a href="/tag/PHP/" target="_blank" class="keywords">PHP</a>-pathinfo.conf;
    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
    {
        expires      30d;
    }
    location ~ .*\.(js|css)?$
    {
        expires      12h;
    }
    location ~ /\.
    {
        deny all;
    }
    access_log off;
}</pre>
安装完成。腾讯免费SSL证书+LNMP环境演示：https://app.typecho.me/