Create SSL Certificates2015/11/21 |
| Create self signed SSL Certificates. However, If you use your server as a business, it had better buy and use a Formal Certificate from Verisigh and so on. |
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dlp:~ # cd /etc/ssl/private dlp:/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: # set passphrase
Verifying - Enter pass phrase for server.key:
# confirm
# remove passphrase from private key dlp:/etc/ssl/private # openssl rsa -in server.key -out server.key Enter pass phrase for server.key: # input passphrase writing RSA key dlp:/etc/ssl/private # 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 # country State or Province Name (full name) [Some-State]: Hiroshima # state Locality Name (eg, city) []: Hiroshima # city Organization Name (eg, company) [Internet Widgits Pty Ltd]: GTS # company Organizational Unit Name (eg, section) []: Server World # department Common Name (e.g. server FQDN or YOUR name) []: dlp.srv.world # server's FQDN
Email Address []:
Please enter the following 'extra' attributesxxx@srv.world # email address
to be sent with your certificate request A challenge password []:
An optional company name []:
dlp:/etc/ssl/private # 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=dlp.srv.world/emailAddress=root@srv.world Getting Private key dlp:/etc/ssl/private # chmod 400 server.key
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