/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */


#include "nsISupports.idl"

/**
 * An interface for verifying that a given string of data was signed by the
 * private key matching the given public key.
 */
[scriptable, uuid(0a84b3d5-6ba9-432d-89da-4fbd0b0f2aec)]
interface nsIDataSignatureVerifier : nsISupports
{
  /**
   * Verifies that the data matches the data that was used to generate the
   * signature.
   *
   * @param aData      The data to be tested.
   * @param aSignature The signature of the data, base64 encoded.
   * @param aPublicKey The public part of the key used for signing, DER encoded
   *                   then base64 encoded.
   * @returns true if the signature matches the data, false if not.
   */
  boolean verifyData(in ACString aData, in ACString aSignature, in ACString aPublicKey);
};