Set the JWS Protected Header

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.SetProtectedHeader, which sets the integrity-protected header for a signer from a JsonObject. The header specifies the signature algorithm (alg).

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

public class ChilkatExample {

    public static void main(String[] args) {
        Jws jws = new Jws();

        // Build the JWS protected header.  The "alg" member names the signature algorithm.
        JsonObject header = new JsonObject();
        header.updateString("alg", "HS256");

        // Set the protected header for signer index 0.  The protected header is integrity-protected: it is
        // covered by the signature.
        try {
            jws.setProtectedHeader(0, header);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

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