セキュリティ OpenSSLコマンドでの独自SSL証明書の作り方 オレオレ証明書

openssl genrsa -out server.key 1024
chmod 400 server.key
openssl req -new -key server.key -out server.csr -sha1
chmod 400 server.csr
openssl x509 -in server.csr -out server.crt -req -signkey server.key -days 365 -sha1
chmod 400 server.crt

+ openssl genrsa -out server.key 1024
Generating RSA private key, 1024 bit long modulus
.++++++
...++++++
e is 65537 (0x10001)
+ chmod 400 server.key
+ openssl req -new -key server.key -out server.csr -sha1
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]:.
Locality Name (eg, city) []:Tokyo
Organization Name (eg, company) [Internet Widgits Pty Ltd]:Kaoru
Organizational Unit Name (eg, section) []:dev
Common Name (eg, YOUR name) []:www.hoge.net
Email Address []:

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:.
+ chmod 400 server.csr
+ openssl x509 -in server.csr -out server.crt -req -signkey server.key -days 365 -sha1
Signature ok
subject=/C=JP/L=Tokyo/O=Kaoru/OU=dev/CN=hoge.net
Getting Private key
+ chmod 400 server.crt