Set the JWE Protected Header

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetProtectedHeader, which sets the integrity-protected JWE header from a JsonObject. The header specifies the key-management algorithm (alg) and content-encryption algorithm (enc).

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();

    //  Build the JWE protected header.  The "alg" member names the key-management algorithm and the "enc"
    //  member names the content-encryption algorithm.
    CkJsonObject header = new CkJsonObject();
    header.UpdateString("alg","A256KW");
    header.UpdateString("enc","A256GCM");

    //  Set the protected header on the JWE.  The protected header is integrity-protected and applies to
    //  all recipients.
    success = jwe.SetProtectedHeader(header);
    if (success == false) {
        System.out.println(jwe.lastErrorText());
        return;
        }

    System.out.println("Protected header set.");
  }
}