[Gnuk-users] Upgrading gnuk on a nitrokey start

Remy van Elst relst at relst.nl
Tue Oct 11 16:33:32 UTC 2016


Is there a test suite or other specific things I can test with the Nitrokey
and GnuK 1.2?



https://raymii.org

On Tue, Oct 11, 2016 at 6:26 PM, Remy van Elst <relst at relst.nl> wrote:

> I've written a small guide for anyone else with a bricked nitrokey:
>
> https://raymii.org/s/tutorials/Nitrokey_gnuk_firmware_update_via_DFU.html
>
>
>
> https://raymii.org
>
> On Tue, Oct 11, 2016 at 5:33 PM, Remy van Elst <relst at relst.nl> wrote:
>
>> Small update,
>>
>> I fried one Nitrokey when trying to solder on the ST Link headers. Bummer.
>>
>> I hot-air desoldered an USB header from an old motherboard in the e-waste
>> bin and used the standard USB pinout, which suprisingly, worked. (
>> https://i.imgur.com/PQ7QG2B.png).
>>
>> The stm32flash tool was unable to remove the flash protection:
>>
>>     $ sudo stm32flash -u  /dev/ttyUSB0
>>     stm32flash 0.5
>>
>>     http://stm32flash.sourceforge.net/
>>
>>     Interface serial_posix: 57600 8E1
>>     Version      : 0x22
>>     Option 1     : 0x00
>>     Option 2     : 0x00
>>     Device ID    : 0x0410 (STM32F10xxx Medium-density)
>>     - RAM        : 20KiB  (512b reserved by bootloader)
>>     - Flash      : 128KiB (size first sector: 4x1024)
>>     - Option RAM : 16b
>>     - System RAM : 2KiB
>>     Write-unprotecting flash
>>     Got NACK from device on command 0x73
>>     Done.
>>
>> so I had to use the Windows ST Demo loader tool. It worked, and I'm able
>> to flash the gnuk 1.2 release to the Nitrokey start. (Not the fried one,
>> another one). That seems to work so far:
>>
>>
>>
>> $ gpg --card-status
>>
>>     Reader ...........: Nitrokey Nitrokey Start (FSIJ-1.2.1-87042430) 00
>> 00
>>     Application ID ...: D276000124010200FFFE870424300000
>>     Version ..........: 2.0
>>     Manufacturer .....: unmanaged S/N range
>>     Serial number ....: 87042430
>>     Name of cardholder: [not set]
>>     Language prefs ...: [not set]
>>     Sex ..............: unspecified
>>     URL of public key : [not set]
>>     Login data .......: [not set]
>>     Signature PIN ....: forced
>>     Key attributes ...: rsa2048 rsa2048 rsa2048
>>     Max. PIN lengths .: 127 127 127
>>     PIN retry counter : 3 3 3
>>     Signature counter : 4
>>     Signature key ....: 3D1B 8501 882B EA0D D813  6CAC 1437 62A5 87BD 54FE
>>           created ....: 2016-10-11 15:06:29
>>     Encryption key....: 9898 208B 7876 4F65 A06E  3E65 637A 80D6 31D5 21C2
>>           created ....: 2016-10-11 15:06:29
>>     Authentication key: 2141 3E30 8EFF F2D0 FB3D  4C9E DA3D F5B9 7130 1532
>>           created ....: 2016-10-11 15:06:29
>>     General key info..: pub  rsa2048/0x143762A587BD54FE 2016-10-11 Remy
>> test (Test gnuk1.2) <remy at test.nl>
>>     sec>  rsa2048/0x143762A587BD54FE  created: 2016-10-11  expires:
>> 2016-10-18
>>                                       card-no: FFFE 87042430
>>     ssb>  rsa2048/0xDA3DF5B971301532  created: 2016-10-11  expires:
>> 2016-10-18
>>                                       card-no: FFFE 87042430
>>     ssb>  rsa2048/0x637A80D631D521C2  created: 2016-10-11  expires:
>> 2016-10-18
>>                                       card-no: FFFE 87042430
>>
>>
>>
>> After flashing it with the Windows tool, stm32flash does work:
>>
>>
>>
>>     $ sudo stm32flash -w build/gnuk.bin -g 0x0 /dev/ttyUSB0
>>     stm32flash 0.5
>>
>>     http://stm32flash.sourceforge.net/
>>
>>     Using Parser : Raw BINARY
>>     Interface serial_posix: 57600 8E1
>>     Version      : 0x22
>>     Option 1     : 0x00
>>     Option 2     : 0x00
>>     Device ID    : 0x0410 (STM32F10xxx Medium-density)
>>     - RAM        : 20KiB  (512b reserved by bootloader)
>>     - Flash      : 128KiB (size first sector: 4x1024)
>>     - Option RAM : 16b
>>     - System RAM : 2KiB
>>     Write to memory
>>     Erasing memory
>>     Wrote address 0x0801b000 (100.00%) Done.
>>
>>     Starting execution at address 0x08000000... done.
>>
>> I can also place an ecc 25519 key on the device:
>>
>>     $ gpg --card-status
>>
>>     Reader ...........: Nitrokey Nitrokey Start (FSIJ-1.2.1-87042430) 00
>> 00
>>     Application ID ...: D276000124010200FFFE870424300000
>>     Version ..........: 2.0
>>     Manufacturer .....: unmanaged S/N range
>>     Serial number ....: 87042430
>>     Name of cardholder: [not set]
>>     Language prefs ...: [not set]
>>     Sex ..............: unspecified
>>     URL of public key : [not set]
>>     Login data .......: [not set]
>>     Signature PIN ....: forced
>>     Key attributes ...: ed25519 rsa2048 rsa2048
>>     Max. PIN lengths .: 127 127 127
>>     PIN retry counter : 3 3 3
>>     Signature counter : 0
>>     Signature key ....: 3678 F2EE 1CCB 4B24 B107  38BA 101D 491F 08E7 FD60
>>           created ....: 2016-10-11 15:31:27
>>     Encryption key....: [none]
>>     Authentication key: [none]
>>     General key info..: pub  ed25519/0x101D491F08E7FD60 2016-10-11 test
>> remy ecc (gnuk 1.2) <nitrokey at raymii.nl>
>>     sec>  ed25519/0x101D491F08E7FD60  created: 2016-10-11  expires:
>> 2016-10-18
>>                                       card-no: FFFE 87042430
>>
>>
>> Yay!
>>
>>
>>
>>
>> https://raymii.org
>>
>> On Fri, Sep 16, 2016 at 3:26 PM, NIIBE Yutaka <gniibe at fsij.org> wrote:
>>
>>> Hello, Jan,
>>>
>>> On 09/16/2016 05:38 PM, Jan Suhr wrote:
>>> > Nitrokey Start hardware is based on FST-01. In particular the MCU is
>>> > identical. The main differences are:
>>> > - No external flash
>>> > - Different pinning. See:
>>> > https://github.com/Nitrokey/nitrokey-start-firmware/commit/c
>>> 98d6cbc4a225f10bca8f2d7b86effcbdcf534f4
>>> >
>>> > Do you think the different pinning may be a cause for the update issue?
>>>
>>> Thanks for the pointer.
>>>
>>> The file is a bit different to the one in Chopstx (Gnuk 1.2).
>>>
>>> https://git.gniibe.org/gitweb/?p=chopstx/chopstx.git;a=commi
>>> tdiff;h=8650bde8a056ca8d7954837bfd6692958e263634;hp=6e7334dc
>>> fff83898ff6b8568bf24c6fe90deaa9c
>>>
>>> I had thought that it's because of revision change of hardware.  If it
>>> is same hardware, I think that Gnuk 1.0 on Nitrokey Start doesn't work
>>> well with upgrade through USB.
>>>
>>> One of my friends kindly showed me the board of Nitrokey Start.
>>> I also examined the KiCAD schematic of:
>>>
>>>     https://github.com/Nitrokey/nitrokey-pro-hardware
>>>
>>> Well, examining schematic is not that easy, even for such a simple
>>> one.
>>>
>>> PA9 and PA10 is connected to USB-D- and USB-D+.  And with the
>>> configuration of Gnuk 1.0 for Nitrokey Start, those pins of PA9 and
>>> PA10 is pulled up by Vdd.  I think that this interferes the USB
>>> shutdown and re-enumeration process of USB upgrade.
>>>
>>> I think that the configuration of Gnuk 1.2 for Nitrokey Start is
>>> better.
>>> --
>>>
>>> _______________________________________________
>>> gnuk-users mailing list
>>> gnuk-users at lists.alioth.debian.org
>>> https://lists.alioth.debian.org/mailman/listinfo/gnuk-users
>>>
>>
>>
>
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