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OAuth 2.0 SDK with OpenID Connection extensions for developing client and server applications.
There is a newer version: 11.20.1
/*
 * oauth2-oidc-sdk
 *
 * Copyright 2012-2016, Connect2id Ltd and contributors.
 *
 * 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.
 */

package com.nimbusds.openid.connect.sdk.claims;


import net.jcip.annotations.Immutable;

import com.nimbusds.oauth2.sdk.id.Identifier;


/**
 * Authentication Method Reference ({@code amr}). It identifies the method
 * used in authentication.
 *
 * The AMR is represented by a string or an URI string.
 *
 * 
Related specifications:
 *
 * 

 *     RFC 8176.
 *     
OpenID Connect Core 1.0, section 2.
 * 
 */
@Immutable
public final class AMR extends Identifier {
	
	
	private static final long serialVersionUID = -6833651441441953910L;
	
	
	/**
	 * Biometric authentication (RFC 4949) using facial recognition.
	 */
	public static final AMR FACE = new AMR("face");
	
	
	/**
	 * Biometric authentication (RFC 4949) using a fingerprint.
	 */
	public static final AMR FPT = new AMR("fpt");
	
	
	/**
	 * Use of geolocation information for authentication, such as that
	 * provided by W3C REC-geolocation-API-20161108.
	 */
	public static final AMR GEO = new AMR("geo");
	
	
	/**
	 * Proof-of-Possession (PoP) of a hardware-secured key. See Appendix C
	 * of RFC 4211 for a discussion on PoP.
	 */
	public static final AMR HWK = new AMR("hwk");
	
	
	/**
	 * Biometric authentication (RFC 4949) using an iris scan.
	 */
	public static final AMR IRIS = new AMR("iris");
	
	
	/**
	 * Retina scan biometric.
	 */
	@Deprecated
	public static final AMR EYE = new AMR("eye");
	
	
	/**
	 * Knowledge-based authentication (NIST.800-63-2, ISO29115).
	 */
	public static final AMR KBA = new AMR("kba");
	
	
	/**
	 * Multiple-channel authentication (MCA). The authentication involves
	 * communication over more than one distinct communication channel. For
	 * instance, a multiple-channel authentication might involve both
	 * entering information into a workstation's browser and providing
	 * information on a telephone call to a pre-registered number.
	 */
	public static final AMR MCA = new AMR("mca");
	
	
	/**
	 * Multiple-factor authentication (NIST.800-63-2, ISO29115). When this
	 * is present, specific authentication methods used may also be
	 * included.
	 */
	public static final AMR MFA = new AMR("mfa");
	
	
	/**
	 * One-time password (RFC 4949). One-time password specifications that
	 * this authentication method applies to include RFC 4226 and RFC 6238.
	 */
	public static final AMR OTP = new AMR("otp");
	
	
	/**
	 * Personal Identification Number (PIN) (RFC 4949) or pattern (not
	 * restricted to containing only numbers) that a user enters to unlock
	 * a key on the device. This mechanism should have a way to deter an
	 * attacker from obtaining the PIN by trying repeated guesses.
	 */
	public static final AMR PIN = new AMR("pin");
	
	
	/**
	 * Proof-of-possession (PoP) of a key. See Appendix C of RFC 4211 for a
	 * discussion on PoP.
	 */
	@Deprecated
	public static final AMR POP = new AMR("pop");
	
	
	/**
	 * Password-based authentication (RFC 4949).
	 */
	public static final AMR PWD = new AMR("pwd");
	
	
	/**
	 * Risk-based authentication (Williamson, G., "Enhanced Authentication
	 * In Online Banking", Journal of Economic Crime Management 4.2: 18-19,
	 * 2006).
	 */
	public static final AMR RBA = new AMR("rba");
	
	
	/**
	 * Smart card (RFC 4949).
	 */
	public static final AMR SC = new AMR("sc");
	
	
	/**
	 * Confirmation using SMS text message to the user at a registered
	 * number.
	 */
	public static final AMR SMS = new AMR("sms");
	
	
	/**
	 * Proof-of-Possession (PoP) of a software-secured key. See Appendix C
	 * of RFC 4211 for a discussion on PoP.
	 */
	public static final AMR SWK = new AMR("swk");
	
	
	/**
	 * Confirmation by telephone call to the user at a registered number.
	 * This authentication technique is sometimes also referred to as
	 * "call back" (RFC 4949).
	 */
	public static final AMR TEL = new AMR("tel");
	
	
	/**
	 * User presence test. Evidence that the end user is present and
	 * interacting with the device.  This is sometimes also referred to as
	 * "test of user presence" (W3C WD-webauthn-20170216).
	 */
	public static final AMR USER = new AMR("user");
	
	
	/**
	 * Biometric authentication (RFC 4949) using a voiceprint.
	 */
	public static final AMR VBM = new AMR("vbm");
	
	
	/**
	 * Windows integrated authentication (Microsoft, "Integrated Windows
	 * Authentication with Negotiate", September 2011).
	 */
	public static final AMR WIA = new AMR("wia");
	
	
	/**
	 * Creates a new Authentication Method Reference (AMR) with the
	 * specified value.
	 *
	 * @param value The AMR value. Must not be {@code null}.
	 */
	public AMR(final String value) {

		super(value);
	}


	@Override
	public boolean equals(final Object object) {

		return object instanceof AMR &&
		       this.toString().equals(object.toString());
	}
}