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Tools: allow for only ArduPilot keys when creating bootloader

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This commit is contained in:
Andrew Tridgell 2022-08-30 11:26:45 +10:00
parent d7710e5ccf
commit 9f00076e15
1 changed files with 5 additions and 5 deletions
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10
Tools/scripts/signing/make_secure_bl.py
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@ -18,17 +18,13 @@ from argparse import ArgumentParser
parser = ArgumentParser(description='make_secure_bl')
parser.add_argument("--omit-ardupilot-keys", action='store_true', default=False, help="omit ArduPilot signing keys")
parser.add_argument("bootloader", type=str, default=None, help="bootloader")
parser.add_argument("keys", type=str, nargs='+', help="keys")
parser.add_argument("keys", nargs='*', type=str, default=[], help="keys")
args = parser.parse_args()
descriptor = b'\x4e\xcf\x4e\xa5\xa6\xb6\xf7\x29'
max_keys = 10
key_len = 32
if len(args.keys) <= 0:
print("At least one key file required")
sys.exit(1)
img = open(args.bootloader, 'rb').read()
offset = img.find(descriptor)
@ -55,6 +51,10 @@ if len(keys) > max_keys:
print("Too many key files %u, max is %u" % (len(keys), max_keys))
sys.exit(1)
if len(keys) <= 0:
print("At least one key file required")
sys.exit(1)
def decode_key(ktype, key):
ktype += "_KEYV1:"
if not key.startswith(ktype):