看雪大神云集，高手汇集，想问下以下的代码只有公钥，密文根据公钥可以算出，再用私钥解密出加密的明文，想求私钥，请问通过msieve能算出来吗？烦请大神指点或推荐工具吗？ 不胜感谢，雪币重谢！
package lnqttioan;
import java.math.BigInteger;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.RSAPrivateKeySpec;
import java.security.spec.RSAPublicKeySpec;
import javax.crypto.Cipher;
public class RSA3 {
public static void main(String[] args) throws Exception{
//公钥加密
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
BigInteger modulus = new BigInteger("74012333486664938781784917319558621132853116184330140056431518519045738769048519249056658298166167763470840652490749373904013083030606481430471831114359564218640421134865601541504510679730861155149074228202153555958396574024051859098069905430336909436487040882153838831388394227045818116146099262275363316229",10);
BigInteger publicExponent = new BigInteger("65537");
RSAPublicKeySpec rsaPublicKeySpec = new RSAPublicKeySpec(modulus,publicExponent);
PublicKey publicKey = keyFactory.generatePublic(rsaPublicKeySpec);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.ENCRYPT_MODE,publicKey);
byte[] encryptData = cipher.doFinal("Hello,RSA!".getBytes());
//System.out.println("encryptData:" + new String(encryptData));
//私钥解密
BigInteger privateExponent = new BigInteger("11894012485795125429143212982125995968250133812249035431503850146369069696745639939744949039417215906814088129637190783922930036322662731928921514950278998682712848452472751188416695902648346915331619305800219832154430379586340557456420648400558539747973551728237870781526760012558742029523629863397333781297",10);
RSAPrivateKeySpec rsaPrivateKeySpec = new RSAPrivateKeySpec(modulus,privateExponent);
PrivateKey privateKey = keyFactory.generatePrivate(rsaPrivateKeySpec);
cipher.init(Cipher.DECRYPT_MODE,privateKey);
byte[] decryptData = cipher.doFinal(encryptData);
System.out.println("decryptData:" + new String(decryptData));
}
}
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