From 92b6b8caf13fa0c8d9194210d759eb4bd695c495 Mon Sep 17 00:00:00 2001
From: slush0 <slush@satoshilabs.com>
Date: Thu, 19 Jun 2014 02:08:31 +0200
Subject: [PATCH] Tools for deterministic builds and firmware comparing

---
 docker-build.sh         | 24 ++++++++++++++++++++++++
 firmware-fingerprint.sh | 11 +++++++++++
 2 files changed, 35 insertions(+)
 create mode 100755 docker-build.sh
 create mode 100755 firmware-fingerprint.sh

diff --git a/docker-build.sh b/docker-build.sh
new file mode 100755
index 000000000..4cb95deee
--- /dev/null
+++ b/docker-build.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+dirname $0
+
+# Build trezor firmware
+docker build . | tee docker.log
+
+# Parse image name
+IMAGE=`grep "Successfully built" docker.log | tail -n1 | cut -d' ' -f3`
+echo "IMAGE NAME: $IMAGE"
+
+docker run -t $IMAGE true
+
+# Parse container name
+CONTAINER=`docker ps -a | grep true | head -n1 | cut -d' ' -f1`
+echo "CONTAINER NAME: $CONTAINER"
+
+docker cp $CONTAINER:/trezor-mcu/firmware/trezor.bin .
+
+echo "-------------------------"
+echo ""
+echo "SHA256 hash:"
+
+sha256sum trezor.bin
diff --git a/firmware-fingerprint.sh b/firmware-fingerprint.sh
new file mode 100755
index 000000000..498ba9c9b
--- /dev/null
+++ b/firmware-fingerprint.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+MAGIC=`head -c +4 $1`
+
+if [ "x$MAGIC" != "xTRZR" ]; then
+    echo "Missing magic characters 'TRZR', invalid firmware"
+    exit 1
+fi
+
+echo "Firmware fingerprint:"
+tail -c +257 $1 | sha256sum