| | |
| | | import com.tencent.bugly.crashreport.CrashReport; |
| | | |
| | | import java.io.IOException; |
| | | import java.util.List; |
| | | |
| | | /** |
| | | * author: zuo |
| | |
| | | /** |
| | | * 修改密码 |
| | | * |
| | | * @param a 书写的扇区 |
| | | * // * @param callback 返回监听 |
| | | * @param 书写的扇区 |
| | | * @param passWord 密码 |
| | | * @return |
| | | */ |
| | | public boolean changePasword( List<byte[]> passWord, boolean isConnect, boolean isClose, NFCCallBack callBack) { |
| | | if (passWord == null || passWord.size()!=16) { |
| | | if (callBack != null) { |
| | | callBack.isSusses(false, "密码数组为空或长度不为16"); |
| | | } |
| | | return false; |
| | | } |
| | | try { |
| | | MifareClassic mfc = MifareClassic.get(tag); |
| | | if (mfc == null) { |
| | | if (callBack != null) { |
| | | callBack.isSusses(false, "获取MifareClassic实例失败"); |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | try { |
| | | // 连接NFC |
| | | if (isConnect) { |
| | | mfc.connect(); |
| | | } |
| | | for (int i = 0; i < passWord.size(); i++) { |
| | | byte [] passWordItem = passWord.get(i); |
| | | // 验证扇区密码 |
| | | boolean isAuthenticated = false; |
| | | |
| | | // 尝试使用默认密钥验证 |
| | | if (mfc.authenticateSectorWithKeyA(i, defauleKey)) { |
| | | isAuthenticated = true; |
| | | } else if (mfc.authenticateSectorWithKeyA(i, listA_PS.get(i))) { |
| | | continue; |
| | | } |
| | | if (!isAuthenticated) { |
| | | if (callBack != null) { |
| | | callBack.isSusses(false, "扇区" + i + "密码验证失败"); |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | // 准备数据 |
| | | byte[] data = new byte[16]; |
| | | |
| | | if (passWordItem.length == 16) { |
| | | // 如果是完整的16字节数据,直接使用 |
| | | System.arraycopy(passWordItem, 0, data, 0, 16); |
| | | } else if (passWordItem.length == 6) { |
| | | // 如果只是6字节密钥,构建完整的控制块 |
| | | // 将密码转换为keyA |
| | | System.arraycopy(passWordItem, 0, data, 0, 6); |
| | | // 输入控制位 |
| | | data[6] = (byte) 0xFF; |
| | | data[7] = (byte) 0x07; |
| | | data[8] = (byte) 0x80; |
| | | data[9] = (byte) 0x69; |
| | | // 将密码作为KeyB |
| | | System.arraycopy(passWordItem, 0, data, 10, 6); |
| | | } else { |
| | | if (callBack != null) { |
| | | callBack.isSusses(false, "扇区" + i + "密码长度不正确,应为6字节或16字节"); |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | // 获取写入位置 |
| | | int bIndex = mfc.sectorToBlock(i); |
| | | int bCount = mfc.getBlockCountInSector(i); |
| | | |
| | | try { |
| | | // 写到扇区的最后一个块(控制块) |
| | | mfc.writeBlock(bIndex + bCount - 1, data); |
| | | } catch (IOException e) { |
| | | if (callBack != null) { |
| | | callBack.isSusses(false, "扇区" + i + "写入控制块失败: " + e.getMessage()); |
| | | } |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | if (callBack != null) { |
| | | callBack.isSusses(true, "所有扇区密码修改成功"); |
| | | } |
| | | return true; |
| | | } finally { |
| | | try { |
| | | if (isClose) { |
| | | mfc.close(); |
| | | } |
| | | } catch (IOException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | } |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | CrashReport.postCatchedException(e); |
| | | if (callBack != null) { |
| | | callBack.isSusses(false, "修改密码时发生异常: " + e.getMessage()); |
| | | } |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * 修改密码 |
| | | * |
| | | * @param a 扇区 |
| | | * @param mfc MifareClassic实例 |
| | | * @return |
| | | */ |
| | | @Override |
| | | public boolean changePasword(int a, MifareClassic mfc) { |
| | | |
| | | byte[] data = new byte[16]; |
| | | if (null != mfc) { |
| | | try { |
| | |
| | | int bCount = mfc.getBlockCountInSector(a); |
| | | //写到扇区的最后一个块 |
| | | mfc.writeBlock(bIndex + bCount - 1, data); |
| | | |
| | | return true; |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | CrashReport.postCatchedException(e); |
| | | |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | |
| | | public boolean changePasword(int a,byte[] passWord, MifareClassic mfc) { |
| | | try { |
| | | |
| | | |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | CrashReport.postCatchedException(e); |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * 初始化卡 |