mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 07:18:09 +00:00
39 lines
915 B
Python
Executable File
39 lines
915 B
Python
Executable File
#!/usr/bin/env python3
|
|
import hashlib
|
|
import os
|
|
import subprocess
|
|
from binascii import hexlify, unhexlify
|
|
|
|
import ecdsa
|
|
|
|
print("master secret:", end="")
|
|
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
|