mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-16 19:38:09 +00:00
31 lines
867 B
Python
Executable File
31 lines
867 B
Python
Executable File
#!/usr/bin/env python3
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import hashlib
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import os
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import subprocess
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import ecdsa
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from binascii import hexlify, unhexlify
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print('master secret:', end='')
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h = input()
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if h:
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h = unhexlify(h).encode('ascii')
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else:
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h = hashlib.sha256(os.urandom(1024)).digest()
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print()
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print('master secret:', hexlify(h))
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print()
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for i in range(1, 6):
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se = hashlib.sha256(h + chr(i).encode('ascii')).hexdigest()
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print('seckey', i, ':', se)
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sk = ecdsa.SigningKey.from_secret_exponent(secexp = int(se, 16), curve=ecdsa.curves.SECP256k1, hashfunc=hashlib.sha256)
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print('pubkey', i, ':', (b'04' + hexlify(sk.get_verifying_key().to_string())).decode('ascii'))
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print(sk.to_pem().decode('ascii'))
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p = subprocess.Popen('ssss-split -t 3 -n 5 -x'.split(' '), stdin = subprocess.PIPE)
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p.communicate(input = hexlify(h) + '\n')
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# to recover use:
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# $ ssss-combine -t 3 -x
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