EdorFaus wrote:
> Or, alternately, the device could behave as if the write lock was
> off, except that all reads/writes goes to a separate jailed section
Kinda like the journal in a journaling file system ? Yes, that
could be a possibility: collect all changes, then present the
user with a "diff" and ask whether to "commit".
Not sure if that would be convenient with a relatively small
display, though.
I'd envision basically the following USB protocols:
- plain HID
- feedback over HID (via "features"):
- select account entry
- password store management
- USB storage:
- read-only mode (access to the ecrypted memory card; that would
give you a slow (Full Speed only) but "trusted" reader)
- read-write mode
- DFU to the internal Flash (for development)
Not sure whether regular firmware upgrades should also be allowed
via DFU. In any case, they could come from the memory card.
- Werner
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