Java Requires Chilkat v11.0.0+

Get Certificate's Public Key

Loads a certificate from PEM and gets the public key. Chilkat2 Java

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

public class ChilkatExample {

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

        String strPem = "-----BEGIN CERTIFICATE----- ...";

        try {
            cert.loadPem(strPem);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        PublicKey pubKey = new PublicKey();
        cert.getPublicKey(pubKey);

        // You can now use the public key object however it is needed,
        // and access its various properties and methods..

        System.out.println(pubKey.getXml());
    }
}