| | |
| | | package com.dayu.recharge.tools; |
| | | |
| | | import android.app.Activity; |
| | | import android.util.Base64; |
| | | |
| | | import java.nio.charset.StandardCharsets; |
| | |
| | | String companyKeyB; |
| | | |
| | | |
| | | public BaseNFCHelper() { |
| | | static { |
| | | System.loadLibrary("native-lib"); |
| | | } |
| | | |
| | | public native String getSafeKey(Object object); |
| | | |
| | | public BaseNFCHelper(Activity activity) { |
| | | // 解密字符串 |
| | | try { |
| | | //初始密码 |
| | | byte[] encryptedBytes = Base64.decode("orDiGzvueQqPpU+VQ3NEzQ==", Base64.DEFAULT); |
| | | Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); |
| | | 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}; |
| | | String data = getSafeKey(activity); |
| | | byte[] encodedKey = HexUtil.hexToByteArray(data); |
| | | // 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}; |
| | | cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(encodedKey, "AES")); |
| | | byte[] decryptedBytes = cipher.doFinal(encryptedBytes); |
| | | String decryptedText = new String(decryptedBytes, StandardCharsets.UTF_8); |
| | |
| | | // byte[] encryptedBytes2 = Base64.decode("aYC9feYEOFOQHuzflLIXSw==", Base64.DEFAULT); |
| | | byte[] encryptedBytes2 = Base64.decode("qeg4DUWf0ni9JfRWtD2krA==", Base64.DEFAULT); |
| | | byte[] decryptedBytes2 = cipher.doFinal(encryptedBytes2); |
| | | //decryptedBytes2 对应010203040506 |
| | | companyKeyA = new String(decryptedBytes2, StandardCharsets.UTF_8); |
| | | companyKey = HexUtil.hexToByteArray(companyKeyA); |
| | | |
| | | //修改后的密码 |
| | | byte[] encryptedBytes3 = Base64.decode("n+SSZFb4DHsreVav/Z5ftg==", Base64.DEFAULT); |
| | | byte[] decryptedBytes3 = cipher.doFinal(encryptedBytes3); |
| | | companyKeyB = new String(decryptedBytes3, StandardCharsets.UTF_8); |
| | | //decryptedBytes3 对应202311202048 |
| | | companyKeyB = new String(decryptedBytes2, StandardCharsets.UTF_8); |
| | | |
| | | |
| | | } catch (NoSuchAlgorithmException e) { |
| | | throw new RuntimeException(e); |
| | | } catch (NoSuchPaddingException e) { |
| | | throw new RuntimeException(e); |
| | | } catch (InvalidKeyException e) { |
| | | throw new RuntimeException(e); |
| | | } catch (BadPaddingException e) { |
| | | throw new RuntimeException(e); |
| | | } catch (IllegalBlockSizeException e) { |
| | | throw new RuntimeException(e); |
| | | } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | |
| | | BadPaddingException | IllegalBlockSizeException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | } |
| | | } |