Nginxでオレオレ証明書

秘密鍵の作成

# openssl genrsa -out server.key -aes128 1024
Generating RSA private key, 1024 bit long modulus
..............++++++
...........................................................................++++++
e is 65537 (0x10001)
Enter pass phrase for server.key:
Verifying - Enter pass phrase for server.key:

証明書署名要求ファイルの作成

# openssl req -new -key server.key -out my_domain.csr
Enter pass phrase for server.key:
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:JP
State or Province Name (full name) [Some-State]:Tokyo
Locality Name (eg, city) :Shibuya
Organization Name (eg, company) [Internet Widgits Pty Ltd]:my_domain
Organizational Unit Name (eg, section) :
Common Name (e.g. server FQDN or YOUR name) :my_domain
Email Address :info@my_domain

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password :
An optional company name :

証明書署名要求ファイルからサーバ証明書を作成

# openssl x509 -req -in my_domain.csr -signkey server.key -out my_domain.crt
Signature ok
subject=/C=JP/ST=Tokyo/L=Shibuya-ku/O=my_domain/CN=my_domain
Getting Private key
Enter pass phrase for server.key:

パスフレーズの入力回避

# cp -ip server.key server.key.bak
# openssl rsa -in server.key.bak -out server.key
Enter pass phrase for server.key.bak:
writing RSA key

Nginx設定

server {
    listen       443 ssl;
    server_name  my_domain;

    access_log  /var/log/ssl.access.log main;

    ssl_certificate      /etc/nginx/my_domain.crt;
    ssl_certificate_key  /etc/nginx/server.key;
　　・・・

Nginx再起動、パスフレーズを求められなければよい。

# /etc/init.d/nginx restart

権限はrootのみにする。

# chmod 600 server.key