[Bug 207] New: DFU mode should only be enabled when in "911 key" mode

[bugzilla-daemon at bugzilla.openmoko.org]

http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=207

           Summary: DFU mode should only be enabled when in "911 key" mode
           Product: OpenMoko
           Version: current svn head
          Platform: Neo1973
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: u-boot
        AssignedTo: laforge at openmoko.org
        ReportedBy: laforge at openmoko.org


In order to minimize the security threat posed by DFU mode (everyone can just
read or write to all of the phone flash!), we should make sure that it is only
enabled in the "911 key" bootup mode, i.e. when both 911 and power buttons are
pressed at system start.

This is still no real protection, though.  Unfortunately the USB DFU spec
doesn't provide for any authentication mechanism, so we will just stay with the
standard for now.



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