Encrypt a JWE with a Symmetric Wrapping Key

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetWrappingKey, which sets the symmetric key-wrapping key for a recipient. The key bytes are supplied in a named encoding such as hex or base64.

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.Jwe;

public class ChilkatExample {

    public static void main(String[] args) {
        Jwe jwe = new Jwe();

        // Protected header: AES key-wrap with AES-256-GCM content encryption.
        JsonObject header = new JsonObject();
        header.updateString("alg", "A256KW");
        header.updateString("enc", "A256GCM");
        try {
            jwe.setProtectedHeader(header);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Set the symmetric key-wrapping key for recipient 0.  The key bytes are provided in the named
        // encoding (here base64).  In production, obtain the key from a secure source rather than hard-coding
        // it.
        String base64Key = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXowMTIzNDU=";
        String jweCompact;
        try {
            jwe.setWrappingKey(0, base64Key, "base64");

            jweCompact = jwe.encrypt("This is the secret content.", "utf-8");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println(jweCompact);
    }
}