Java

Load Base64-encoded X.509 Certificate (.cer)

See more Certificates Examples

Loads a digital certificate from a base64 encoded DER X.509 Certificate (.cer, .crt) and fetches information about the cert. Chilkat2 Java

import com.chilkatsoft.chilkat2.Cert;
import com.chilkatsoft.chilkat2.ChilkatException;

public class ChilkatExample {

    public static void main(String[] args) {
        Cert cert = new Cert();

        // LoadFromFile will load virtually any certificate format file.
        // It will auto-recognize the format and load appropiately.
        // A base64-encoded DER X.509 certificate file
        // contains the binary DER in base64 encoded form.
        // Therefore, it is a text file that will begin like this:
        // -----BEGIN CERTIFICATE-----
        // MIIFbjCCBFagAwIBAgIGdDPNv/L0MA0GCSqGSIb3DQEBBQUAMIHKMQswCQYDVQQG
        // EwJVUzEQMA4GA1UECBMHQXJpem9uYTETMBEGA1UEBxMKU2NvdHRzZGFsZTEaMBgG
        // ...

        try {
            cert.loadFromFile("/Users/chilkat/testData/cer/chilkat_base64.cer");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // DN = "Distinguished Name"
        System.out.println("SubjectDN:" + cert.getSubjectDN());

        System.out.println("Common Name:" + cert.getSubjectCN());
        System.out.println("Issuer Common Name:" + cert.getIssuerCN());

        System.out.println("Serial Number:" + cert.getSerialNumber());
    }
}