cn.hutool.crypto.digest.mac.MacEngineFactory Maven / Gradle / Ivy
package cn.hutool.crypto.digest.mac;
import cn.hutool.crypto.SmUtil;
import cn.hutool.crypto.digest.HmacAlgorithm;
import java.security.Key;
import java.security.spec.AlgorithmParameterSpec;
/**
* {@link MacEngine} 实现工厂类
*
* @author Looly
* @since 4.5.13
*/
public class MacEngineFactory {
/**
* 根据给定算法和密钥生成对应的{@link MacEngine}
*
* @param algorithm 算法，见{@link HmacAlgorithm}
* @param key 密钥
* @return {@link MacEngine}
*/
public static MacEngine createEngine(String algorithm, Key key) {
return createEngine(algorithm, key, null);
}
/**
* 根据给定算法和密钥生成对应的{@link MacEngine}
*
* @param algorithm 算法，见{@link HmacAlgorithm}
* @param key 密钥
* @param spec spec
* @return {@link MacEngine}
* @since 5.7.12
*/
public static MacEngine createEngine(String algorithm, Key key, AlgorithmParameterSpec spec) {
if (algorithm.equalsIgnoreCase(HmacAlgorithm.HmacSM3.getValue())) {
// HmacSM3算法是BC库实现的，忽略加盐
return SmUtil.createHmacSm3Engine(key.getEncoded());
}
return new DefaultHMacEngine(algorithm, key, spec);
}
}