SSL Certificates CSR Creation :: Java Keytool

SSL Certificate CSR Creation for Java Based Web Servers.

How to generate a CSR using Java Keytool

**NOTE: You must generate a new keystore through this process. If you try to install a new certificate to an old keystore your certificate will not work properly. Backup and remove any old keystores if necessary before beginning this process.

Step A -- Create a new Keystore

1) You will be using the keytool command to create your new key-CSR pairing. Enter the following:

keytool -genkey -alias server -keyalg RSA -keystore yourdomain.key

2 )You will be prompted for the DN information. Please note: when it asks for first and last name, this is not YOUR first and last name, but rather your domain name and extension(i.e., www.yourdomain.com). If you are ordering a Wildcard Certificate this must begin with *. (example: *.digicert.com)

3) Confirm that the information is correct by entering 'y' or 'yes' when prompted. Next you will be asked for your password to confirm. Make sure to remember the password you choose.

Step B -- Generate your CSR with your new keystore

4) Next, use keytool to actually create the Certificate Signing Request. Enter the following:

keytool -certreq -alias server -keyalg RSA -file yourdomain.csr -keystore yourdomain.key

5) Enter the keystore password.

6) Then the SSL Certificate CSR file is created. Open the CSR with a text editor, and copy and paste the text (including the BEGIN and END tags) into the DigiCert web order form.

Generating a CSR for Issuance of an SSL Certificate with Keytool

How to generate a Certificate Signing Request for your Java Web Server