Exception: invalid EC private key scalar: zero
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Description
Crash Report
This crash report was reported through the automatic crash reporting system 🤖
Traceback
File "electrum\util.py", line 1002, in run_with_except_hook
File "threading.py", line 870, in run
File "electrum\gui\qt\main_window.py", line 2797, in privkeys_thread
File "electrum\wallet.py", line 546, in export_private_key
File "electrum\keystore.py", line 258, in get_private_key
File "electrum\bitcoin.py", line 701, in deserialize_privkey
File "electrum\ecc.py", line 428, in normalize_secret_bytes
Exception: invalid EC private key scalar: zero
Reporter
This issue was reported by 4 user(s):
| Electrum Version | Python Version | Operating System | Wallet Type | Locale | Stack |
|---|---|---|---|---|---|
| 4.0.9 | 3.7.9 (tags/v3.7.9:13c94747c7, Aug 17 2020, 18:01:55) [MSC v.1900 32 bit (Intel)] | Windows-10-10.0.18362-SP0 | imported | en_US | ℹ |
| 4.0.9 | 3.7.9 (tags/v3.7.9:13c94747c7, Aug 17 2020, 18:01:55) [MSC v.1900 32 bit (Intel)] | Windows-10-10.0.19041-SP0 | imported | en_US | ℹ |
| 4.1.0 | 3.8.8 (tags/v3.8.8:024d805, Feb 19 2021, 13:08:11) [MSC v.1928 32 bit (Intel)] | Windows-10-10.0.19041-SP0 | imported | tr_TR | ℹ |
| 4.5.4 | 3.10.11 (tags/v3.10.11:7d4cc5a, Apr 5 2023, 00:20:04) [MSC v.1929 32 bit (Intel)] | Windows-10-10.0.22631-SP0 | standard,imported | es_EC | ℹ |
Additional Information
Cant seem to find my Private key to wallet
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with electrum/gui/qt/main_window.py at privkeys_thread and follow the traceback through wallet.py, keystore.py, bitcoin.py, and ecc.py to normalize_secret_bytes. Reproduce the imported-wallet private-key export path and determine how the zero scalar is reached; done means the crash path is handled appropriately and covered by a regression test.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- cryptography
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100