    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017
    018package org.apache.commons.codec.digest;
    019
    020/**
    021 * Standard {@link HmacUtils} algorithm names from the <cite>Java Cryptography Architecture Standard Algorithm Name
    022 * Documentation</cite>.
    023 *
    024 * <p>
    025 * <strong>Note: Not all JCE implementations support all the algorithms in this enum.</strong>
    026 * </p>
    027 *
    028 * @see <a href="http://docs.oracle.com/javase/6/docs/technotes/guides/security/SunProviders.html#SunJCEProvider"> Java
    029 *      6 Cryptography Architecture Sun Providers Documentation</a>
    030 * @see <a href="http://docs.oracle.com/javase/7/docs/technotes/guides/security/SunProviders.html#SunJCEProvider"> Java
    031 *      7 Cryptography Architecture Sun Providers Documentation</a>
    032 * @see <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/SunProviders.html#SunJCEProvider"> Java
    033 *      8 Cryptography Architecture Sun Providers Documentation</a>
    034 * @see <a href=
    035 *      "http://docs.oracle.com/javase/9/security/oracleproviders.htm#JSSEC-GUID-A47B1249-593C-4C38-A0D0-68FA7681E0A7">
    036 *      Java 9 Cryptography Architecture Sun Providers Documentation</a>
    037 * @since 1.10
    038 */
    039public enum HmacAlgorithms {
    040
    041    /**
    042     * The HmacMD5 Message Authentication Code (MAC) algorithm specified in RFC 2104 and RFC 1321.
    043     * <p>
    044     * Every implementation of the Java platform is required to support this standard MAC algorithm.
    045     * </p>
    046     */
    047    HMAC_MD5("HmacMD5"),
    048
    049    /**
    050     * The HmacSHA1 Message Authentication Code (MAC) algorithm specified in RFC 2104 and FIPS PUB 180-2.
    051     * <p>
    052     * Every implementation of the Java platform is required to support this standard MAC algorithm.
    053     * </p>
    054     */
    055    HMAC_SHA_1("HmacSHA1"),
    056
    057    /**
    058     * The HmacSHA224 Message Authentication Code (MAC) algorithm specified in RFC 2104 and FIPS PUB 180-2.
    059     * <p>
    060     * Every implementation of the Java 8+ platform is required to support this standard MAC algorithm.
    061     * </p>
    062     * @since 1.11
    063     */
    064    HMAC_SHA_224("HmacSHA224"),
    065
    066    /**
    067     * The HmacSHA256 Message Authentication Code (MAC) algorithm specified in RFC 2104 and FIPS PUB 180-2.
    068     * <p>
    069     * Every implementation of the Java platform is required to support this standard MAC algorithm.
    070     * </p>
    071     */
    072    HMAC_SHA_256("HmacSHA256"),
    073
    074    /**
    075     * The HmacSHA384 Message Authentication Code (MAC) algorithm specified in RFC 2104 and FIPS PUB 180-2.
    076     * <p>
    077     * This MAC algorithm is <em>optional</em>; not all implementations support it.
    078     * </p>
    079     */
    080    HMAC_SHA_384("HmacSHA384"),
    081
    082    /**
    083     * The HmacSHA512 Message Authentication Code (MAC) algorithm specified in RFC 2104 and FIPS PUB 180-2.
    084     * <p>
    085     * This MAC algorithm is <em>optional</em>; not all implementations support it.
    086     * </p>
    087     */
    088    HMAC_SHA_512("HmacSHA512");
    089
    090    private final String name;
    091
    092    private HmacAlgorithms(final String algorithm) {
    093        this.name = algorithm;
    094    }
    095
    096    /**
    097     * Gets the algorithm name.
    098     *
    099     * @return the algorithm name.
    100     * @since 1.11
    101     */
    102    public String getName() {
    103        return name;
    104    }
    105
    106    /**
    107     * The algorithm name
    108     *
    109     * @see <a href="http://docs.oracle.com/javase/6/docs/technotes/guides/security/SunProviders.html#SunJCEProvider">
    110     *      Java 6 Cryptography Architecture Sun Providers Documentation</a>
    111     * @see <a href="http://docs.oracle.com/javase/7/docs/technotes/guides/security/SunProviders.html#SunJCEProvider">
    112     *      Java 7 Cryptography Architecture Sun Providers Documentation</a>
    113     * @see <a href="http://docs.oracle.com/javase/8/docs/technotes/guides/security/SunProviders.html#SunJCEProvider">
    114     *      Java 8 Cryptography Architecture Sun Providers Documentation</a>
    115     * @see <a href=
    116     *      "http://docs.oracle.com/javase/9/security/oracleproviders.htm#JSSEC-GUID-A47B1249-593C-4C38-A0D0-68FA7681E0A7">
    117     *      Java 9 Cryptography Architecture Sun Providers Documentation</a>
    118     * @return The algorithm name ("HmacSHA512" for example)
    119     */
    120    @Override
    121    public String toString() {
    122        return name;
    123    }
    124
    125}