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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 org.apache.sshd.common.mac;

import org.apache.sshd.common.AlgorithmNameProvider;

/**
 * The reported algorithm name refers to the MAC being used
 *
 * @author Apache MINA SSHD Project
 */
public interface MacInformation extends AlgorithmNameProvider {
    /**
     * @return MAC output block size in bytes - may be less than the default - e.g., MD5-96
     */
    int getBlockSize();

    /**
     * @return The "natural" MAC block size in bytes
     */
    int getDefaultBlockSize();

    default boolean isEncryptThenMac() {
        return false;
    }
}