Add tool for applying/saving Tock patches

maintainers/reproduce_hashes.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -ex
+
+rm -f reproducible/binaries.sha256sum
+rm -f reproducible/elf2tab.txt
+
+echo "Creating reproducible/reproduced.tar"
+touch empty_file
+tar -cvf reproducible/reproduced.tar empty_file
+rm empty_file
+
+echo "Building sha256sum tool..."
+cargo build --manifest-path third_party/tock/tools/sha256sum/Cargo.toml
+
+echo "Computing SHA-256 sums of the boards..."
+for board in nrf52840dk_opensk nrf52840_dongle_opensk nrf52840_dongle_dfu nrf52840_mdk_dfu
+do
+  BOARD=$board ./reproduce_board.sh
+done
+
+echo "Computing SHA-256 sum of the TAB file..."
+./third_party/tock/tools/sha256sum/target/debug/sha256sum target/tab/ctap2.tab >> reproducible/binaries.sha256sum
+tar -rvf reproducible/reproduced.tar target/tab/ctap2.tab
+
+tar -rvf reproducible/reproduced.tar reproducible/elf2tab.txt
+tar -rvf reproducible/reproduced.tar reproducible/binaries.sha256sum