From 35d7f92c60efb161fec26313ea47895197da4506 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Tue, 2 Jun 2020 12:50:37 +0200 Subject: [PATCH] scripts: support Sercomm load tags MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Header consists in Sercomm PID bytes, followed by a SHA256 hash of the input binary. Signed-off-by: Álvaro Fernández Rojas --- scripts/config/mconf_check | 0 scripts/sercomm-payload.py | 56 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) create mode 100644 scripts/config/mconf_check create mode 100755 scripts/sercomm-payload.py diff --git a/scripts/config/mconf_check b/scripts/config/mconf_check new file mode 100644 index 0000000000..e69de29bb2 diff --git a/scripts/sercomm-payload.py b/scripts/sercomm-payload.py new file mode 100755 index 0000000000..5193069b6c --- /dev/null +++ b/scripts/sercomm-payload.py @@ -0,0 +1,56 @@ +#!/usr/bin/env python3 + +import argparse +import hashlib +import os + +def create_output(args): + in_st = os.stat(args.input_file) + in_size = in_st.st_size + + in_f = open(args.input_file, 'r+b') + in_bytes = in_f.read(in_size) + in_f.close() + + sha256 = hashlib.sha256() + sha256.update(in_bytes) + + out_f = open(args.output_file, 'w+b') + out_f.write(bytes.fromhex(args.pid)) + out_f.write(sha256.digest()) + out_f.write(in_bytes) + out_f.close() + +def main(): + global args + + parser = argparse.ArgumentParser(description='') + + parser.add_argument('--input-file', + dest='input_file', + action='store', + type=str, + help='Input file') + + parser.add_argument('--output-file', + dest='output_file', + action='store', + type=str, + help='Output file') + + parser.add_argument('--pid', + dest='pid', + action='store', + type=str, + help='Sercomm PID') + + args = parser.parse_args() + + if ((not args.input_file) or + (not args.output_file) or + (not args.pid)): + parser.print_help() + + create_output(args) + +main()