org.aoju.bus.crypto.digest.mac.MacEngine Maven / Gradle / Ivy
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package org.aoju.bus.crypto.digest.mac;
import org.aoju.bus.core.toolkit.IoKit;
import java.io.InputStream;
/**
* MAC(Message Authentication Code)算法引擎
*
* @author Kimi Liu
* @version 6.1.1
* @since JDK 1.8+
*/
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 IoKit#DEFAULT_BUFFER_SIZE} 做为默认值
* @return 摘要bytes
*/
byte[] digest(InputStream data, int bufferLength);
/**
* 获取MAC算法块大小
*
* @return MAC算法块大小
*/
int getMacLength();
/**
* 获取当前算法
*
* @return 算法
*/
String getAlgorithm();
}