# cd /etc/ssl/private
# openssl genrsa -des3 -out server.key 2048
Generating RSA private key, 2048 bit long modulus
...................+++
.....+++
e is 65537 (0x10001)
Enter pass phrase for server.key: # <= パスフレーズ設定
Verifying - Enter pass phrase for server.key: # <= 確認再入力
秘密鍵からパスフレーズを削除。
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# openssl rsa -in server.key -out server.key
Enter pass phrase for server.key: # <= パスフレーズ
writing RSA key
# openssl req -new -days 3650 -key server.key -out server.csr
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 # <= 国の略名
State or Province Name (full name) [Some-State]:Shimane # <= 都道府県名
Locality Name (eg, city) []:Matsue # <= 市区町村名
Organization Name (eg, company) [Internet Widgits Pty Ltd]:mk-mode.com # <= サイト名(何でもよい)
Organizational Unit Name (eg, section) []: # <= 部署名(空でよい)
Common Name (e.g. server FQDN or YOUR name) []:www.mk-mode.com # <= ホスト名
Email Address []: webmaster@mk-mode.com # <= 管理者メールアドレス
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []: # <= 追加属性・空エンターでよい
An optional company name []: # <= 追加属性・空エンターでよい
# openssl x509 -in server.csr -out server.crt -req -signkey server.key -days 3650
Signature ok
subject=/C=JP/ST=Hiroshima/L=Hiroshima/O=GTS/OU=Server World/CN=www.server.world/emailAddress=xxx@server.world
Getting Private key