認証局に提出する署名リクエストの生成方法。

■Private Key

openssl genrsa -des3 2048 > your.domain.key

Generating RSA private key, 2048 bit long modulus
...................+++
.................+++
e is 65537 (0x10001)
Enter pass phrase:
Verifying - Enter pass phrase:

パスフレーズが埋め込まれたもの

AWSのconsoleに貼り付ける時に必要になる。

openssl rsa < your.domain.key > your.domain.key.pass

■Certificate Signing Request

認証局に提出する。

openssl req -new -key your.domain.key -out your.domain.csr -sha1

Enter pass phrase for your.domain.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) []:Sibuya-ku
Organization Name (eg, company) [Internet Widgits Pty Ltd]:Hoge Inc.
Organizational Unit Name (eg, section) []:
Common Name (e.g. server FQDN or YOUR name) []:your.domain.net
Email Address []:

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

Common Nameが証明するhost名となるようにし、全てのサブドメインを証明するような証明書を取得する場合は*.your.domain.netとする。

■Public Key Certificate

認証局（CA）が発行する証明書。

■Certificate Chain

RapidSSLのIntermediate Certificatesはウェブで参照する。

sudo yum install mod_ssl

sudo vim /etc/httpd/conf.d/ssl.conf

SSLCertificateFile /etc/httpd/ssl/your.domain.public.cert
SSLCertificateKeyFile /etc/httpd/ssl/your.domain.key.pass
SSLCertificateChainFile /etc/httpd/ssl/your.domain.intermediate.cert

sudo /usr/sbin/apachectl configtest
sudo /etc/init.d/httpd reload