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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-23 16:08:17 +00:00
trezor-firmware/firmware-fingerprint.sh
2016-07-03 13:54:32 +02:00

19 lines
322 B
Bash
Executable File

#!/bin/bash
set -e
if [ -z "$1" ]; then
echo "Please provide filename as argument"
exit 1
fi
MAGIC=`head -c +4 $1`
if [ "x$MAGIC" != "xTRZR" ]; then
echo "Missing magic characters 'TRZR', invalid firmware"
exit 1
fi
echo "---------------------"
echo "Firmware fingerprint:"
tail -c +257 $1 | sha256sum