难道＆QUOT;设备重置为出厂设置＆QUOT;使数据无法恢复？ [英] Does "device reset to factory settings" make data unrecoverable?

问题描述

关于德克萨斯大学的结论，<一个href=\"https://wikis.utexas.edu/display/ISO/Google+Android+Hardening+Checklist#GoogleAndroidHardeningChecklist-8\"相对=nofollow>信息安全报告：在Android中提供的恢复出厂设置选项，并删除所有数据，而不是安全 - 数据可以通过对设备的物理访问任何人都可以恢复。还有就是要安全删除所有用户数据没有原生的方法。在Android市场提供的某些第三方应用程序可以提供此功能。

Regarding to the conclusion of University of Texas, Information security report: The factory reset option provided in Android, does erase all data, but not securely - the data can be recovered by anyone with physical access to the device. There is no native way to securely delete all user data. Some third party applications available in the Android Marketplace can provide this functionality.

有谁知道是数据复位后可恢复？它还是应用程序的Util任何公开证明这可如何是好呢？

Does anybody know is data recoverable after reset? Any public proof of it or Util app which can do it?

如果我打电话DevicePolicyManager.wipeData（标志）将存储在内部/外部存储用户数据之后可以恢复？

If I am calling DevicePolicyManager.wipeData(flags) will user data stored on the internal/external storage be recoverable after that?

如果设备分区被加密，将wipeData（）方法销毁加密密钥，因此数据将是不可解密100％？
有谁知道究竟wipeData（）是如何工作的，或可以点我到一个适当的参考？

If device partition was encrypted, will wipeData() method destroy encryption key, so the data will be undecryptable 100%? Does anybody know exactly how wipeData() works or can point me to a proper reference?

推荐答案

我已经看到了使用Recuva的做恢复出厂设置后，恢复数据的人引用。显然，你需要安装通过USB SD卡，那么它的回收像任何其他恢复删除的过程。这是有道理的在Android上的SD使用FAT，这一直是很容易恢复删除格式化。

I have seen references to people using Recuva to recover data after doing a factory reset. Apparently you need to mount the sd card via USB and then it's recovered like any other undelete process. This makes sense as the SD in Android is formatted using FAT, which has always been easy to undelete.

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