Generate a Certificate Signing Request (CSR) Using Java Keystore – An Easy Guide
Being a Java Developer, you must ensure that your Java applications, applets, and JAR files get recognized and don’t show any unwanted warning messages that scare away your users. Henceforth, you must use a Code Signing Certificate, especially a Java Code Signing Certificate.
Digitally signing your Java applications using Java Code Signing Certificate provided by globally known certificate authorities like Sectigo, Certera, DigiCert Comodo helps remove warning messages like “Application Blocked by Java Security” or “Unknown Publisher.”
In addition, it helps build trust and confidence among users that the Java application is safe.
But, before your Java Code Signing Certificate gets issued, you must follow specific steps, one of which is to generate CSR.
Nonetheless, as a Java Developer, here’s the solution if you’re looking to generate CSR using Java Keystore.
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Instructions to Generate a CSR Using Java KeyStore
Go through the below-mentioned instructions to generate CSR for your Java Code Signing Certificate using a Java KeyStore:
Step 1 – Run the Below Commands to Make a Keystore & Key File
keytool -genkey -alias server -keyalg RSA -keysize 2048 -keystore keystore.jks
Step – 2 Provide Below Information
Once you complete the first step, you’ll be asked to provide certain information, like what password you want to keep for your keystore and your first or last name.
- Enter keystore password:
- Re-enter new password:
- What is your first and last name?
- What is the name of your organization unit?
- What is the name of your organization?
- What is the name of your City or Locality?
- What is the name of your State or Province?
- What is the two-letter country code for this unit?
Is CN = CompanyName or Firstname Lastname, OU=DeparmentName, O=CompanyName, L=City, ST=State, C=CountryCode correct?
Enter key password for:
Once you answer asked questions, your Java keystore file named keystore.jks will be created. You’ll also use this same file to create a CSR.
Step 3 – Generate the CSR
Once the above step is completed, run the below-mentioned command to generate the CSR using that Java keystore file:
keytool -certreq -alias server -file csr.csr -keystore keystore.jks
Enter keystore password:
Here, it’s required to enter the password for the keystore file, and it’ll be the same one you entered in step 2. Likewise, for Java Code Signing Certificate .csr and .jks file gets created once you enter the password.
Now, all you’re required to do is generate the order by submitting the CSR that you generated.
Step 4 – Generating the Order Using CSR You Created
To generate the order for the Code Signing Certificate, copy and paste the generated CSR code by selecting from the header to the footer. It should look like this:
Header:
—–BEGIN NEW CERTIFICATE REQUEST—-
Footer:
—–END NEW CERTIFICATE REQUEST—–
To paste the generated CSR:
- Login to your account.
- Go to the incomplete order section in your account.
- Click the button that says Generate Certificate.
- Go to an option named “Create a link.”
- Click on that link.
- Select the Java option as the type of code signing certificate.
- Copy and paste your generated CSR.
- Go through the process and complete the other required enrollments.
- Lastly, your Order Number gets generated.
Nonetheless, now provide all the documents that prove your authenticity and wait until the vetting process is completed. Lastly, the certificate authority will issue your Java Code Signing Certificate after completing the validation process.
Closing Thoughts
Once you generate CSR and complete other required processes like submitting government-registered documents to verify your company, your Code Signing Certificate will get issued.
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