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test low R grinding

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scgbckbone 2024-07-18 12:21:35 +02:00 committed by doc-hex
parent 74bbcfacfd
commit 4a1628f9d5
2 changed files with 32 additions and 1 deletions
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1
testing/data/myself-72sig.psbt Normal file
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32
testing/test_sign.py
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@ -3,7 +3,7 @@
# Transaction Signing. Important.
#
import time, pytest, os, random, pdb, struct, base64, binascii, itertools, datetime, math
import time, pytest, os, random, pdb, struct, base64, binascii, itertools, datetime
from ckcc_protocol.protocol import CCProtocolPacker, CCProtoError, MAX_TXN_LEN, CCUserRefused
from binascii import b2a_hex, a2b_hex
from psbt import BasicPSBT, BasicPSBTInput, BasicPSBTOutput, PSBT_IN_REDEEM_SCRIPT
@ -2994,4 +2994,34 @@ def test_txout_explorer_op_return(fake_txn, start_sign, cap_story, is_q1,
press_cancel()
press_cancel()
def test_low_R_grinding(dev, goto_home, microsd_path, press_select, offer_ms_import,
cap_story, try_sign, reset_seed_words, clear_ms):
reset_seed_words()
clear_ms()
desc = "sh(sortedmulti(2,[6ba6cfd0/45h]tpubD9429UXFGCTKJ9NdiNK4rC5ygqSUkginycYHccqSg5gkmyQ7PZRHNjk99M6a6Y3NY8ctEUUJvCu6iCCui8Ju3xrHRu3Ez1CKB4ZFoRZDdP9/0/*,[747b698e/45h]tpubD97nVL37v5tWyMf9ofh5rznwhh1593WMRg6FT4o6MRJkKWANtwAMHYLrcJFsFmPfYbY1TE1LLQ4KBb84LBPt1ubvFwoosvMkcWJtMwvXgSc/0/*,[7bb026be/45h]tpubD9ArfXowvGHnuECKdGXVKDMfZVGdephVWg8fWGWStH3VKHzT4ph3A4ZcgXWqFu1F5xGTfxncmrnf3sLC86dup2a8Kx7z3xQ3AgeNTQeFxPa/0/*,[0f056943/45h]tpubD8NXmKsmWp3a3DXhbihAYbYLGaRNVdTnr6JoSxxfXYQcmwVtW2hv8QoDwng6JtEonmJoL3cNEwfd2cLXMpGezwZ2vL2dQ7259bueNKj9C8n/0/*))#up0sw2xp"
psbt_fname = "myself-72sig.psbt"
with open(f"data/{psbt_fname}", "r") as f:
b64psbt = f.read()
goto_home()
passphrase = "Myself"
dev.send_recv(CCProtocolPacker.bip39_passphrase(passphrase), timeout=None)
press_select()
time.sleep(.1)
title, story = cap_story()
assert "[747B698E]" in title
press_select()
time.sleep(.1)
_, story = offer_ms_import(desc)
assert "Create new multisig wallet?" in story
time.sleep(.1)
press_select()
# below raises for 72 bytes long signature
# only on firmware versions that do only 10 grinding iterations
try_sign(base64.b64decode(b64psbt), accept=True)
# EOF