001/*
002 * nimbus-jose-jwt
003 *
004 * Copyright 2012-2016, Connect2id Ltd and contributors.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
007 * this file except in compliance with the License. You may obtain a copy of the
008 * License at
009 *
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software distributed
013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
015 * specific language governing permissions and limitations under the License.
016 */
017
018package com.nimbusds.jose.crypto.opts;
019
020
021import com.nimbusds.jose.JWEDecrypterOption;
022import com.nimbusds.jose.JWSSignerOption;
023import net.jcip.annotations.Immutable;
024
025
026/**
027 * JSON Web Signature (JWS) and JSON Web Encryption (JWE) option to allow weak
028 * RSA keys shorter than
029 * {@link com.nimbusds.jose.jwk.gen.RSAKeyGenerator#MIN_KEY_SIZE_BITS 2048
030 * bits}.
031 *
032 * @author Vladimir Dzhuvinov
033 * @version 2025-07-17
034 */
035@Immutable
036public final class AllowWeakRSAKey implements JWSSignerOption, JWEDecrypterOption {
037        
038        
039        private static final AllowWeakRSAKey SINGLETON = new AllowWeakRSAKey();
040        
041        
042        /**
043         * Returns an instance of this class.
044         *
045         * @return The instance.
046         */
047        public static AllowWeakRSAKey getInstance() {
048                return SINGLETON;
049        }
050        
051        
052        private AllowWeakRSAKey() {}
053        
054        
055        @Override
056        public String toString() {
057                return "AllowWeakRSAKey";
058        }
059}