(Java) Add Trusted Certificate to JKS

Adds a trusted certificate to a Java keystore file.

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

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

    CkJavaKeyStore jks = new CkJavaKeyStore();

    String jksPassword = "secret";
    String jksPath = "/myJksTrustedCerts/cacerts.jks";

    // Load the Java keystore from a file.
    boolean success = jks.LoadFile(jksPassword,jksPath);
    if (success != true) {
        System.out.println(jks.lastErrorText());
        return;
        }

    CkCert cert = new CkCert();

    // The cert's LoadFrommFile method can load a certificate from
    // virtually any format.  It will automatically determine the format
    // and load appropriately.
    success = cert.LoadFromFile("/certFiles/myNewTrustedCert.pem");
    if (success != true) {
        System.out.println(cert.lastErrorText());
        return;
        }

    // The alias can be anything.  It's basically just a label 
    // used within the JKS associated with the entry.  It should
    // be unique among aliases within the JKS file.
    String alias = "habanero";

    success = jks.AddTrustedCert(cert,alias);
    if (success != true) {
        System.out.println(jks.lastErrorText());
        return;
        }

    // Write the JKS containing the new certificate.
    success = jks.ToFile(jksPassword,jksPath);
    if (success != true) {
        System.out.println(jks.lastErrorText());
        return;
        }

    System.out.println("Added a trusted certificate to the JKS.");
  }
}