openssl des3在java中解密

import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openssl.PEMParser;
import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProviderBuilder;
import org.bouncycastle.openssl.jcajce.JcePEMDecryptorProvider;

import java.io.FileReader;
import java.io.IOException;
import java.security.PrivateKey;
import java.security.Security;

public class Des3Decryptor {
    public static void main(String[] args) throws IOException {
        Security.addProvider(new BouncyCastleProvider());

        // 加载加密后的文件
        FileReader fileReader = new FileReader("encrypted.txt");
        PEMParser pemParser = new PEMParser(fileReader);

        // 加载解密密钥
        Object object = pemParser.readObject();
        JcePEMDecryptorProvider decryptorProvider = new JcePEMDecryptorProviderBuilder().build("password".toCharArray());
        PrivateKey privateKey = (PrivateKey) object;

        // 解密文件
        byte[] decryptedBytes = privateKey.getEncoded();
        String decryptedText = new String(decryptedBytes);

        System.out.println("解密后的文本：");
        System.out.println(decryptedText);
    }
}