The sign station can be used to generate a CRC checksum of a file. The sign station has to be connected to the host via USB. The host will enumerate the sign station. Thereafter, the sign station is available as a mass storage device (VIRT0) like a normal USB stick. To generate a CRC checksum of a file just copy it to the sign station. The sign station will generate the CRC checksum. The checksum is written in a text file (CRC.txt).
The sample shows how easy it is to build a trustworthy device that can be easily used with any well-known operating system.
Connect the sign station to your host PC. After enumeration a new mass-storage-device (Virt0) will be available.
Open the sign station (Virt0) and open the Readme.txt.
Readme.txt describes how the sample works.
Copy a file to Virt0 and a CRC checksum for that file will be generated.
No additional hardware necessary.
Original author of the project: Trainee @SEGGER.