用hutool进行RSA编码及解码

		<dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.5.1</version>
        </dependency>

private static final RSA rsa_en = new RSA(null,PUBLIC_KEY);
private static final RSA rsa_de = new RSA(PRIVATE_KEY,null);
//加密
byte[] encrypt = rsa_en.encrypt(data,KeyType.PublicKey);
//解密
byte[] decrypt = rsa_de.decrypt(encrypt, KeyType.PrivateKey);