001/**
002 *
003 * Copyright 2016-2019 Florian Schmaus
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * 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 */
017package org.jivesoftware.smack.sasl.core;
018
019import java.security.InvalidKeyException;
020
021public interface ScramHmac {
022
023    String getHmacName();
024
025    /**
026     * RFC 5802 ยง 2.2 HMAC(key, str).
027     *
028     * @param key TODO javadoc me please
029     * @param str TODO javadoc me please
030     * @return the HMAC-SHA1 value of the input.
031     * @throws InvalidKeyException in case there was an invalid key.
032     */
033    byte[] hmac(byte[] key, byte[] str) throws InvalidKeyException;
034
035}