无法从外部程序包访问RSAPrivateKeyImpl

Question

我尝试使用RSA算法创建JWTVerifier：

    JWTVerifier jwtVerifier = JWT.require(Algorithm.RSA512(rsaPublicKey, rsaPrivateKey)).build();

我想借助其实现RSAPublicKeyImpl和RSAPrivateKeyImpl来创建RSAPublicKey和RSAPrivateKey实例，并遇到第二个实例（错误上下文）的问题：

    'RSAPrivateKeyImpl(java.math.BigInteger, java.math.BigInteger)' is not public in 
    'sun.security.rsa.RSAPrivateKeyImpl'. Cannot be accessed from outside package.

图书馆：

import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import sun.security.rsa.RSAPrivateKeyImpl;
import sun.security.rsa.RSAPublicKeyImpl;

Intellij Idea中的代码：

    private RSAPublicKey rsaPublicKey;
    private RSAPrivateKey rsaPrivateKey;

    public JwtFilter() throws InvalidKeyException {
        this.rsaPublicKey = new RSAPublicKeyImpl(BigInteger.valueOf(1147), BigInteger.valueOf(7));
        this.rsaPrivateKey = new RSAPrivateKeyImpl(BigInteger.valueOf(1147), BigInteger.valueOf(463));
    }

RSAPublicKey可以。方法和类是公开的。我清理并重建了项目，使缓存无效并重新启动。