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(Java) Add Private Key and Certificate to a PEM

Demonstrates how to add certificates and private keys to a PEM.

Chilkat Java Downloads

Java Libs for Windows, Linux, Alpine Linux,
MAC OS X, Solaris, FreeBSD, OpenBSD,
Raspberry Pi and other single board computers

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[])
  {
    //  Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    //  by calling UnlockBundle.  It requires a Bundle unlock code.
    CkGlobal chilkatGlob = new CkGlobal();
    boolean success = chilkatGlob.UnlockBundle("Anything for 30-day trial.");
    if (success != true) {
        System.out.println(chilkatGlob.lastErrorText());
        return;
    }

    //  The Chilkat PEM class was introduced in v9.5.0.49.
    //  It requires the bundle to be unlocked, as shown above.
    CkPem pem = new CkPem();

    //  Add the private key found in alice.key to this PEM.
    // 
    CkPrivateKey privKey = new CkPrivateKey();

    success = privKey.LoadRsaDerFile("qa_data/alice.key");
    if (success != true) {
        System.out.println(privKey.lastErrorText());
        return;
    }

    //  Add it to the PEM:
    success = pem.AddPrivateKey(privKey);

    //  Add the certificate found in alice.crt to this PEM.
    // 
    CkCert cert = new CkCert();

    success = cert.LoadFromFile("qa_data/alice.crt");
    if (success != true) {
        System.out.println(cert.lastErrorText());
        return;
    }

    //  Add it to the PEM:
    boolean includeCertChain = false;
    success = pem.AddCert(cert,includeCertChain);

    //  Write the PEM containing the private key and certificate.
    //  The private key will be output in PKCS8 encrypted form.
    //  Certificates are never encrypted.

    //  This is the password that will be required to open and access the private key
    //  from the PEM we're about to write..
    String password = "secret";
    boolean extendedAttrs = false;
    boolean noKeys = false;
    boolean noCerts = false;
    boolean noCaCerts = false;
    String encryptAlg = "aes128";

    String pemStr = pem.toPemEx(extendedAttrs,noKeys,noCerts,noCaCerts,encryptAlg,password);
    System.out.println(pemStr);

  }
}

 

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