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Merge pull request #164 from PR0M3TH3AN/e3lki3-codex/remove-bip85-from-requirements-and-clean-up-code

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Remove bip85 dependency and unused code
This commit is contained in:
thePR0M3TH3AN
2025-07-02 21:58:29 -04:00
committed by GitHub
parent 11c0e49683 fb9b9e6607
commit f94a964622
3 changed files with 0 additions and 44 deletions
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1
requirements.lock
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@@ -6,7 +6,6 @@ base58==2.1.1
bcrypt==4.3.0 bcrypt==4.3.0
bech32==1.2.0 bech32==1.2.0
bip-utils==2.9.3 bip-utils==2.9.3
bip85==0.2.0
cbor2==5.6.5 cbor2==5.6.5
certifi==2025.6.15 certifi==2025.6.15
cffi==1.17.1 cffi==1.17.1

1
src/requirements.txt
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@@ -7,7 +7,6 @@ coincurve>=18.0.0
mnemonic mnemonic
aiohttp aiohttp
bcrypt bcrypt
bip85
pytest>=7.0 pytest>=7.0
pytest-cov pytest-cov
pytest-xdist pytest-xdist

42
src/utils/key_derivation.py
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@@ -23,12 +23,7 @@ import traceback
from enum import Enum from enum import Enum
from typing import Optional, Union from typing import Optional, Union
from bip_utils import Bip39SeedGenerator from bip_utils import Bip39SeedGenerator
from local_bip85.bip85 import BIP85
try:
from monstr.encrypt import Keys
except ImportError: # Fall back to local coincurve implementation
from nostr.coincurve_keys import Keys
from cryptography.hazmat.primitives.kdf.hkdf import HKDF from cryptography.hazmat.primitives.kdf.hkdf import HKDF
from cryptography.hazmat.primitives import hashes from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.backends import default_backend from cryptography.hazmat.backends import default_backend
@@ -140,43 +135,6 @@ def derive_key_from_parent_seed(parent_seed: str, fingerprint: str = None) -> by
raise raise
class KeyManager:
def __init__(self, parent_seed: str, fingerprint: str = None):
self.parent_seed = parent_seed
self.fingerprint = fingerprint
self.bip85 = self.initialize_bip85()
self.keys = self.generate_nostr_keys()
def initialize_bip85(self):
seed_bytes = Bip39SeedGenerator(self.parent_seed).Generate()
bip85 = BIP85(seed_bytes)
return bip85
def generate_nostr_keys(self) -> Keys:
"""
Derives a unique Nostr key pair for the given fingerprint using BIP-85.
:return: An instance of Keys containing the Nostr key pair.
"""
# Use a derivation path that includes the fingerprint
# Convert fingerprint to an integer index (e.g., using a hash function)
index = (
int(hashlib.sha256(self.fingerprint.encode()).hexdigest(), 16) % (2**31)
if self.fingerprint
else 0
)
# Derive entropy for Nostr key (32 bytes)
entropy_bytes = self.bip85.derive_entropy(
app=BIP85.Applications.ENTROPY, index=index, size=32
)
# Generate Nostr key pair from entropy
private_key_hex = entropy_bytes.hex()
keys = Keys(priv_key=private_key_hex)
return keys
def derive_index_key_seed_only(seed: str) -> bytes: def derive_index_key_seed_only(seed: str) -> bytes:
"""Derive a deterministic Fernet key from only the BIP-39 seed.""" """Derive a deterministic Fernet key from only the BIP-39 seed."""
seed_bytes = Bip39SeedGenerator(seed).Generate() seed_bytes = Bip39SeedGenerator(seed).Generate()