| Commit message (Collapse) | Author | Age |
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In the past the Nitrokey Storage device reported wrong CRC values for
certain commands, e.g., the closing of an encrypted volume. This problem
was tracked by issue 32: Nitrokey/nitrokey-storage-firmware#32
Firmware version 0.47 includes a fix for the problem. With this change
we remove the workaround for the incorrect CRC from nitrocli. By doing
so, we require the Nitrokey Storage to be running firmware 0.47 or
higher to be properly usable.
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The nitrokey-storage-firmware package defines an array of four byte
values to hold information about the firmware version. libnitrokey uses
a similar definition but overlays it with some more semantically
meaningful information by putting it into a union:
union {
uint8_t VersionInfo_au8[4];
struct {
uint8_t __unused;
uint8_t major;
uint8_t __unused2;
uint8_t minor;
} versionInfo;
};
In order to derive the firmware version representation for nitrocli we
used the same major/minor version definition as libnitrokey. This
definition, however, is wrong or at least not in line with how the
firmware is versioned officially.
This change reworks the way we interpret the version information
reported by the Nitrokey Storage device. Like the firmware, we treat the
first byte as the major version and the second one as the minor version.
The remaining two bytes seem to represent the build number and an
internal version according to usage of those fields in
nitrokey-storage-firmware but we ignore both to keep the reported string
similar to that of the nitrokey-app.
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We currently unconditionally use gpg-agent to enter the PIN to use when
opening the encrypted volume. The agent has the advantage of caching the
password for us so that subsequent invocations against the same cache
entry can be served without user interaction.
For various reasons, however, it can be desirable to have the ability to
remove this entry from the cache. This change introduces a new command
'clear' that achieves precisely this task.
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The nitrokey supports a status command that instructs it to report
details about itself. This data includes general useful information such
as the current version of the firmware being installed along with more
contextual bits such as the number of remaining retries for the user
and admin PINs or whether the different volumes (unencrypted, encrypted,
hidden) are writable.
This change introduces the 'status' command line option that can be used
to retrieve this information from the nitrokey and to display it.
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With this change we assemble a HID feature report and send it to the
nitrokey device. Feature reports are the objects used for sending
commands to the nitrokey. We create two different reports for
opening and closing of the encrypted volume.
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