Apps deliberately refusing to work on modded devices: Difference between revisions
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==How it works== | ==How it works== | ||
Phones and PCs include a Trusted Platform Module <ref>{{Cite web |title=Trusted Platform Module |url=http://www-01.ibm.com/support/docview.wss?uid=pos1R1003970&aid=1 |archive-url=https://web.archive.org/web/20160803203400/http://www-01.ibm.com/support/docview.wss?uid=pos1R1003970&aid=1 |archive-date=2016-08-03}}</ref>: a chip independent from the device's CPU | Phones and PCs include a Trusted Platform Module <ref>{{Cite web |title=Trusted Platform Module |url=http://www-01.ibm.com/support/docview.wss?uid=pos1R1003970&aid=1 |archive-url=https://web.archive.org/web/20160803203400/http://www-01.ibm.com/support/docview.wss?uid=pos1R1003970&aid=1 |archive-date=2016-08-03}}</ref>: a chip independent from the device's CPU which can only run software signed by the device manufacturer. This chip allows applications to use a technique called remote attestation to detect if the operating system has been tampered with, and if so will block functionality or refuse to work altogether. If done properly, remote attestation is impossible to spoof, even by the owner of the device. | ||
==Why it is a problem== | ==Why it is a problem== | ||
The owner of the phone is unable to do the following (while | The owner of the phone is unable to do the following (while continuing to use applications that block modded devices) | ||
*update the device operating system once it is no longer supported by the device manufacturer | *update the device operating system once it is no longer supported by the device manufacturer | ||
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*access all data stored on the device | *access all data stored on the device | ||
Since many businesses and governments require their customers to download their proprietary application to their phones in order to use their services (see [[Forced app download]]), and many of those applications refuse to work on a modded device, people are left unable to modify their phone as they wish, | Since many businesses and governments require their customers to download their proprietary application to their phones in order to use their services (see [[Forced app download]]), and many of those applications refuse to work on a modded device, people are left unable to modify their phone as they wish, as they then couldn't interact with those businesses which require or heavily encourage their app. | ||
==Examples== | ==Examples== |