- Use microchip ACES to init the ATECC508A chip.
- Execute GenKey Command with mode 0x04 .
- Use sha256sum on linux to get a checksum for some random data. the result is a hex string with length of 64 bytes.
- Execute Nonce command with mode 0x03 to load the sha256 result.
- Execute Sign command with mode 0x80.
- Get the sign result to this program and verify the result.
- Read the Datasheet of ATECC508A.
- http://ww1.microchip.com/downloads/en/DeviceDoc/20005927A.pdf
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A simple tool to verify the Sign result of ATECC508A chip.