mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-25 17:09:44 +00:00
35 lines
941 B
Python
Executable File
35 lines
941 B
Python
Executable File
#!/usr/bin/env python
|
|
from __future__ import print_function
|
|
import hashlib
|
|
import os
|
|
import subprocess
|
|
import ecdsa
|
|
from binascii import hexlify, unhexlify
|
|
|
|
print('master secret:', end='')
|
|
try:
|
|
h = raw_input()
|
|
except:
|
|
h = input()
|
|
if h:
|
|
h = unhexlify(h).encode('ascii')
|
|
else:
|
|
h = hashlib.sha256(os.urandom(1024)).digest()
|
|
|
|
print()
|
|
print('master secret:', hexlify(h))
|
|
print()
|
|
|
|
for i in range(1, 6):
|
|
se = hashlib.sha256(h + chr(i).encode('ascii')).hexdigest()
|
|
print('seckey', i, ':', se)
|
|
sk = ecdsa.SigningKey.from_secret_exponent(secexp = int(se, 16), curve=ecdsa.curves.SECP256k1, hashfunc=hashlib.sha256)
|
|
print('pubkey', i, ':', (b'04' + hexlify(sk.get_verifying_key().to_string())).decode('ascii'))
|
|
print(sk.to_pem().decode('ascii'))
|
|
|
|
p = subprocess.Popen('ssss-split -t 3 -n 5 -x'.split(' '), stdin = subprocess.PIPE)
|
|
p.communicate(input = hexlify(h) + '\n')
|
|
|
|
# to recover use:
|
|
# $ ssss-combine -t 3 -x
|