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#!/usr/bin/env python3
import sys
import binascii
import configparser
def file_byte_generator(filename):
with open(filename, "rb") as f:
block = f.read()
return block
def create_header(array_name, in_filename):
hexified = ["0x" + binascii.hexlify(bytes([inp])).decode('ascii') for inp in file_byte_generator(in_filename)]
print("const uint8_t " + array_name + "[] = {")
print(", ".join(hexified))
print("};")
return 0
if __name__ == '__main__':
if len(sys.argv) < 3:
print('ERROR: usage: gen_cert_header.py array_name update_config_file')
sys.exit(1);
config = configparser.ConfigParser()
config.read(sys.argv[2])
sys.exit(create_header(sys.argv[1], config['Updater']['certificate-der']))
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