CentOS 6
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SSL証明書を作成する
2011/07/11
  サーバー独自のSSL自己署名証明書を作成します。 しかし独自に作成した証明書ではアクセス時に警告が出るため、商用で使う場合は ベリサイン 等の正規の認証局が発行する証明書を利用した方がよいでしょう。
[root@www ~]#
cd /etc/pki/tls/certs

[root@www certs]#
make server.key

umask 77 ; \
/usr/bin/openssl genrsa -aes128 2048 > server.key
Generating RSA private key, 2048 bit long modulus
......................................................++++++
.............++++++
e is 61251 (0x10001)
Enter pass phrase:    
# パスフレーズ設定

Verifying - Enter pass phrase:    
# 再入力

# 秘密鍵からパスフレーズを削除

[root@www certs]#
openssl rsa -in server.key -out server.key

Enter pass phrase for server.key:    
# パスフレーズ入力

writing RSA key
[root@www certs]#
[root@www certs]#
make server.csr

umask 77 ; \
/usr/bin/openssl req -utf8 -new -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) [XX]:
JP
   
# 国

State or Province Name (full name) [e]:
Hiroshima
 
# 地域(県)

Locality Name (eg, city) [Default City]:
Hiroshima
   
# 都市

Organization Name (eg, company) [Default Company Ltd]:
GTS
 
# 組織名

Organizational Unit Name (eg, section) []:
Server World
 
# 組織の部門名

Common Name (eg, your server's hostname) []:
www.srv.world
 
# サーバーのFQDN

Email Address []:
xxx@srv.world
   
# 管理者アドレス

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:    
# 空Enter

An optional company name []:    
# 空Enter

[root@www certs]#
# 有効期限が10年の自己署名証明書を作成

[root@www certs]#
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.srv.world/emailAddress=xxx@srv.world Getting Private key
 
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