mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-22 23:48:12 +00:00
39 lines
915 B
Python
Executable File
39 lines
915 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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from binascii import hexlify, unhexlify
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import ecdsa
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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(
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secexp=int(se, 16), curve=ecdsa.curves.SECP256k1, hashfunc=hashlib.sha256
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)
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print(
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"pubkey",
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i,
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":",
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(b"04" + hexlify(sk.get_verifying_key().to_string())).decode("ascii"),
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)
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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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