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* Remove NK_lock_device call from PasswordSafe::dropRobin Krahl2018-06-07
| | | | | | | | | | | | | | | | | | | When enabled, the password safe can be used without authentication. The lock device can be used to lock the password safe. Currently, PasswordSafe::drop calls this command to make sure that other applications cannot access the password safe without authentication. On the Nitrokey Storage, locking the device may also disable the encrypted or hidden volume. As using the password safe should not have side effects on the storage volumes, this patch removes the call to the lock device command from the Drop implementation. Instead, the user should call this method after making sure that it does not have side effects. A feature request for a command that only locks the password safe without side effects is submitted to the Nitrokey Storage firmware repository: https://github.com/Nitrokey/nitrokey-storage-firmware/issues/65
* Implement Drop for PasswordSafeRobin Krahl2018-06-05
| | | | | | By calling NK_lock_device when dropping a PasswordSafe instance, we can make sure that the password safe cannot be reused without authentication.
* Use a Device reference in PasswordSafeRobin Krahl2018-06-05
| | | | | | | | | Instead of wrapping an owned Device instance, PasswordSafe now only requires a reference to a Device. The lifetime parameter makes sure that the device lives at least as long as the password safe. Using a reference instead of an owned device allows us to implement Drop on PasswordSafe to make sure that the password safe is disabled once it is destructed.
* Add support for password safesRobin Krahl2018-05-29
A password safe (PWS) stores names, logins and passwords in slots. PWS are supported both by the Nitrokey Pro and the Nitrokey Storage. They are implemented as a struct wrapping a device as the device may not be disconnected while the password safe is alive. The creation of a password safe is handled by the GetPasswordSafe trait, implemented by DeviceWrapper, Pro and Storage.