org.aoju.bus.crypto.provider.DESProvider Maven / Gradle / Ivy
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package org.aoju.bus.crypto.provider;
import org.aoju.bus.core.lang.exception.InstrumentException;
import org.aoju.bus.core.toolkit.StringKit;
import org.aoju.bus.crypto.Builder;
import org.aoju.bus.crypto.Provider;
import org.aoju.bus.crypto.symmetric.DES;
/**
* 数据加密标准,速度较快,适用于加密大量数据的场合
*
* @author Kimi Liu
* @version 6.1.1
* @since JDK 1.8+
*/
public class DESProvider implements Provider {
/**
* 加密
*
* @param key 密钥
* @param content 需要加密的内容
*/
@Override
public byte[] encrypt(String key, byte[] content) {
if (StringKit.isEmpty(key)) {
throw new InstrumentException("key is null!");
}
DES des = Builder.des(key.getBytes());
return des.encrypt(content);
}
/**
* 解密
*
* @param key 密钥
* @param content 需要解密的内容
*/
@Override
public byte[] decrypt(String key, byte[] content) {
if (StringKit.isEmpty(key)) {
throw new InstrumentException("key is null!");
}
DES des = Builder.des(key.getBytes());
return des.decrypt(content);
}
}