org.aoju.bus.crypto.provider.SM2Provider Maven / Gradle / Ivy
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package org.aoju.bus.crypto.provider;
import org.aoju.bus.core.lang.Symbol;
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.asymmetric.KeyType;
import org.aoju.bus.crypto.asymmetric.SM2;
import org.bouncycastle.crypto.engines.SM2Engine;
/**
* RSA 加密解密算法
*
* @author Kimi Liu
* @version 6.1.1
* @since JDK 1.8+
*/
public class SM2Provider implements Provider {
/**
* 加密
*
* @param key 密钥
* @param content 需要加密的内容
* @return 加密结果
* @throws RuntimeException RuntimeException
*/
@Override
public byte[] encrypt(String key, byte[] content) {
if (StringKit.isEmpty(key)) {
throw new InstrumentException("key is null!");
}
String[] array = StringKit.split(key, Symbol.COMMA);
SM2 sm2 = Builder.sm2(array[0], array[1]);
sm2.setMode(SM2Engine.Mode.C1C3C2);
return sm2.encrypt(content, KeyType.valueOf(array[2]));
}
/**
* 解密
*
* @param key 密钥
* @param content 需要解密的内容
* @return 解密结果
*/
@Override
public byte[] decrypt(String key, byte[] content) {
if (StringKit.isEmpty(key)) {
throw new InstrumentException("key is null!");
}
String[] array = StringKit.split(key, Symbol.COMMA);
SM2 sm2 = Builder.sm2(array[0], array[1]);
sm2.setMode(SM2Engine.Mode.C1C3C2);
return sm2.decrypt(content, KeyType.valueOf(array[2]));
}
}