package com.dayu.qiheonlinelibrary.tools;
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import android.app.Activity;
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import android.util.Base64;
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import com.dayu.baselibrary.tools.HexUtil;
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import java.nio.charset.StandardCharsets;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import javax.crypto.BadPaddingException;
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import javax.crypto.Cipher;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.NoSuchPaddingException;
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import javax.crypto.spec.SecretKeySpec;
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/**
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* Copyright (C), 2023,
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* Author: zuo
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* Date: 2023-11-09 11:52
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* Description:
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*/
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public class BaseNFCHelper {
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/**
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* 默认密码（白卡密码）ffffffffffff
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*/
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public byte[] defauleKey;
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/**
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* 公司密码
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*/
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public byte[] companyKey;
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//密码a区
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String companyKeyA;
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//密码B区
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String companyKeyB;
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static {
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System.loadLibrary("qihealone-native-lib");
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}
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public native String getSafeKey(Object object);
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public BaseNFCHelper(Activity activity) {
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// 解密字符串
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try {
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//初始密码
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byte[] encryptedBytes = Base64.decode("orDiGzvueQqPpU+VQ3NEzQ==", Base64.DEFAULT);
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Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
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String data = getSafeKey(activity);
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byte[] encodedKey = HexUtil.hexToByteArray(data);
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// byte[] encodedKey = {-117, -104, -100, 84, 111, -102, -29, -21, 72, -82, -105, 123, 77, 79, 17, -55, -102, -28, 50, 23, 67, 98, 0, -96, -10, -48, -60, 81, 113, 80, -32, -26};
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cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(encodedKey, "AES"));
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byte[] decryptedBytes = cipher.doFinal(encryptedBytes);
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String decryptedText = new String(decryptedBytes, StandardCharsets.UTF_8);
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defauleKey = HexUtil.hexToByteArray(decryptedText);
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//初始密码
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// byte[] encryptedBytes2 = Base64.decode("aYC9feYEOFOQHuzflLIXSw==", Base64.DEFAULT);
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//010203:qeg4DUWf0ni9JfRWtD2krA==
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byte[] encryptedBytes2 = Base64.decode("Zro4j8QP6yjYEA6HtSSNOw==", Base64.DEFAULT);
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byte[] decryptedBytes2 = cipher.doFinal(encryptedBytes2);
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//decryptedBytes2 对应010203040506
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companyKeyA = new String(decryptedBytes2, StandardCharsets.UTF_8);
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companyKey = HexUtil.hexToByteArray(companyKeyA);
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//修改后的密码
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byte[] encryptedBytes3 = Base64.decode("n+SSZFb4DHsreVav/Z5ftg==", Base64.DEFAULT);
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byte[] decryptedBytes3 = cipher.doFinal(encryptedBytes3);
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//decryptedBytes3 对应202311202048
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companyKeyB = new String(decryptedBytes2, StandardCharsets.UTF_8);
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} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException |
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BadPaddingException | IllegalBlockSizeException e) {
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e.printStackTrace();
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}
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}
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}
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