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Java Common Utils

There is a newer version: 1.0.16

package com.github.zhangxd1989.basetool.crypto.digest.mac;


import com.github.zhangxd1989.basetool.io.IoUtil;

import java.io.InputStream;

/**
 * MAC（Message Authentication Code）算法引擎
 *
 * @author sheldon
 */
public interface MacEngine {

    /**
     * 生成摘要
     *
     * @param data         {@link InputStream} 数据流
     * @param bufferLength 缓存长度，不足1使用 {@link IoUtil#DEFAULT_BUFFER_SIZE} 做为默认值
     * @return 摘要bytes
     */
    byte[] digest(InputStream data, int bufferLength);
}