Java Requires Chilkat v11.0.0+

Generate CSR with Uncommon Fields

See more CSR Examples

Demonstrates how to generate a new RSA key and a Certificate Signing Request (CSR) for this:

csr.common.name=Admin forInformation-MainShop
csr.serial.number=1-XYZ|2-2.0|3-999695
csr.organization.identifier=990099994100099
csr.organization.unit.name=9999910000
csr.organization.name=9999910000
csr.country.name=SA
csr.invoice.type=1100
csr.location.address=King Fahed Road
csr.industry.business.category=MainOffice

Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Csr;
import com.chilkatsoft.chilkat2.FileAccess;
import com.chilkatsoft.chilkat2.PrivateKey;
import com.chilkatsoft.chilkat2.Rsa;

public class ChilkatExample {

    public static void main(String[] args) {
        // This requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // First generate an RSA private key.
        Rsa rsa = new Rsa();

        // Generate a random 2048-bit RSA key.
        PrivateKey privKey = new PrivateKey();
        try {
            rsa.genKey(2048, privKey);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Create the CSR object and set properties.
        Csr csr = new Csr();

        csr.setCommonName("Admin forInformation-MainShop");

        // Country Name (2 letter code)
        csr.setCountry("SA");

        // Organization Name (eg, company)
        csr.setCompany("9999910000");

        // Organizational Unit Name (eg, secion/division)
        csr.setCompanyDivision("9999910000");

        // See https://www.alvestrand.no/objectid/2.5.4.html for OIDs for the following fields:

        // csr.serial.number=1-XYZ|2-2.0|3-999695
        // 2.5.4.5 - id-at-serialNumber
        csr.setSubjectField("2.5.4.5", "1-XYZ|2-2.0|3-999695", "UTF8String");

        // csr.organization.identifier=990099994100099
        // 2.5.4.45 - id-at-uniqueIdentifier   Don't know if this is correct.
        csr.setSubjectField("2.5.4.45", "1100", "UTF8String");

        // csr.invoice.type=1100
        // Don't know what this OID would be...
        csr.setSubjectField("2.5.4.99", "1100", "UTF8String");

        // csr.location.address=King Fahed Road
        // 2.5.4.9 - id-at-streetAddress
        csr.setSubjectField("2.5.4.9", "King Fahed Road", "UTF8String");

        // csr.industry.business.category=MainOffice
        // 2.5.4.15 - id-at-businessCategory
        csr.setSubjectField("2.5.4.15", "MainOffice", "UTF8String");

        // Create the CSR using the private key.
        String pemStr;
        try {
            pemStr = csr.genCsrPem(privKey);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Save the private key and CSR to a files.
        privKey.savePkcs8EncryptedPemFile("password", "qa_output/privKey1.pem");

        FileAccess fac = new FileAccess();
        fac.writeEntireTextFile("qa_output/csr1.pem", pemStr, "utf-8", false);

        // Show the CSR.
        System.out.println(pemStr);

        // Sample output:
        // The CSR PEM can be checked here:
        // https://www.networking4all.com/en/support/tools/csr+check/
        // Copy-and-paste the PEM into the online CSR Decoding / CSR Verification form

        //     -----BEGIN CERTIFICATE REQUEST-----
        //     MIIC6jCCAdICAQAwgaQxITAfBgNVBAMMGG15c3ViZG9tYWluLm15ZG9tYWluLmNv
        // ...
        // ...
        //     hJnYCvjzFz4O9VtT+JtP9ldRHWV3KpZ8ne3AjD+F
        //     -----END CERTIFICATE REQUEST-----
    }
}