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35d7f92c60
Header consists in Sercomm PID bytes, followed by a SHA256 hash of the input binary. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
57 lines
994 B
Python
Executable File
57 lines
994 B
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import hashlib
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import os
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def create_output(args):
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in_st = os.stat(args.input_file)
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in_size = in_st.st_size
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in_f = open(args.input_file, 'r+b')
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in_bytes = in_f.read(in_size)
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in_f.close()
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sha256 = hashlib.sha256()
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sha256.update(in_bytes)
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out_f = open(args.output_file, 'w+b')
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out_f.write(bytes.fromhex(args.pid))
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out_f.write(sha256.digest())
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out_f.write(in_bytes)
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out_f.close()
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def main():
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global args
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parser = argparse.ArgumentParser(description='')
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parser.add_argument('--input-file',
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dest='input_file',
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action='store',
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type=str,
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help='Input file')
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parser.add_argument('--output-file',
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dest='output_file',
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action='store',
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type=str,
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help='Output file')
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parser.add_argument('--pid',
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dest='pid',
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action='store',
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type=str,
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help='Sercomm PID')
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args = parser.parse_args()
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if ((not args.input_file) or
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(not args.output_file) or
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(not args.pid)):
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parser.print_help()
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create_output(args)
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main()
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