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/**
 * ============LICENSE_START====================================================
 * org.onap.ccsdk
 * ===========================================================================
 * Copyright (c) 2023 AT&T Intellectual Property. All rights reserved.
 * ===========================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END====================================================
 *
 */

package org.onap.ccsdk.apps.cadi;

import org.onap.ccsdk.apps.cadi.taf.TafResp;


/**
 * TAF - Transmutative Assertion Framework.
 *
 * This main Interface embodies the essential of the assertion, where a number of different TAFs might be used to authenticate
 * and that authentication to be recognized through other elements.
 *
 * Concept by Robert Garskof.  Implemented by Jonathan Gathman
 *
 * @author Jonathan
 *
 */
public interface Taf {
    enum LifeForm {CBLF, SBLF, LFN};
    /**
     * The lifeForm param is a humorous way of describing whether the interaction is proceeding from direct Human Interaction via a browser
     * or App which can directly query a memorized password, key sequence, bio-feedback, from that user, or a machine mechanism for which identity
     * can more easily be determined by Certificate, Mechanical ID/Password etc.  Popularized in modern culture and Science Fiction (especially
     * Star Trek), we (starting with Robert Garskof) use the terms "Carbon Based Life Form" (CBLF) for mechanisms with people at the end of them, or
     * "Silicon Based Life Forms" (SBLF) to indicate machine only interactions.  I have added "LFN" for (Life-Form Neutral) to aid identifying
     * processes for which it doesn't matter whether there is a human at the immediate end of the chain, or cannot be determined mechanically.
     *
     * The variable parameter is not necessarily ideal, but with too many unknown Tafs to be created, flexibility,
     * is unfortunately required at this point.  Future versions could lock this down more.  Jonathan 10/18/2012
     *
     * @param lifeForm
     * @param info
     * @return
     */
    public TafResp validate(LifeForm reading, String ... info);

}