Encrypt a JWE with a Password (PBES2)

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetPassword, which sets the PBES2 password for a recipient. The example uses PBES2-HS256+A128KW key management with AES-128-GCM content encryption.

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[])
  {
    boolean success = false;

    CkJwe jwe = new CkJwe();

    //  Protected header: PBES2 password-based key management with AES-128-GCM content encryption.
    CkJsonObject header = new CkJsonObject();
    header.UpdateString("alg","PBES2-HS256+A128KW");
    header.UpdateString("enc","A128GCM");
    success = jwe.SetProtectedHeader(header);
    if (success == false) {
        System.out.println(jwe.lastErrorText());
        return;
        }

    //  Set the PBES2 password for recipient 0.  The password should come from a secure source rather than
    //  being hard-coded.
    String password = "myPassword";
    success = jwe.SetPassword(0,password);
    if (success == false) {
        System.out.println(jwe.lastErrorText());
        return;
        }

    String jweCompact = jwe.encrypt("This is the secret content.","utf-8");
    if (jwe.get_LastMethodSuccess() == false) {
        System.out.println(jwe.lastErrorText());
        return;
        }

    System.out.println(jweCompact);
  }
}