50 lines
1.3 KiB
Python
Executable File
50 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (C) 2021 Amlogic, Inc. All rights reserved.
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#
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# This source code is subject to the terms and conditions defined in the
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# file 'LICENSE' which is part of this source code package.
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TARGET_NAME = 'dgpk2'
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MAX_IDX = 100000000
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DGPK2_SIZE = 16
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def get_args():
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from argparse import ArgumentParser
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parser = ArgumentParser()
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parser.add_argument('--soc', type = str, required = True, help = 'soc')
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parser.add_argument('--count', type = int, required = True, help = 'device count')
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parser.add_argument('--out_dir', type = str, required = True, help = 'output directory')
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return parser.parse_args()
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# dgpk: device global protect key
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def main():
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import os
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args = get_args()
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if not os.path.exists(args.out_dir):
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os.mkdir(args.out_dir)
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if args.count > MAX_IDX:
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args.count = MAX_IDX
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print('the max number of ' + TARGET_NAME + ' derived at one time is ' + MAX_IDX)
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derived_num = 0
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for i in range(1, args.count + 1):
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dgpk2 = os.urandom(DGPK2_SIZE)
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fpath = args.out_dir + '/' + args.soc + '_' + TARGET_NAME + '_' + str(i).zfill(9) + '.bin'
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f = open(fpath, 'wb')
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f.write(dgpk2)
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f.close()
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derived_num = derived_num + 1
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print(os.path.abspath(fpath) + ' derived successfully')
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print(str(derived_num) + ' ' + TARGET_NAME + ' files derived successfully')
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if __name__ == '__main__':
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main()
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