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keystore: speedup for Old_KeyStore
from Electron-Cash/Electron-Cash@01177d7deb1a56b423af6cf73a9b8ff5d64b24b3
regtest_lnd
SomberNight
6 years ago
No known key found for this signature in database
GPG Key ID: B33B5F232C6271E9
1 changed files with
5 additions and
4 deletions
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electrum/keystore.py
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@ -451,14 +451,15 @@ class Old_KeyStore(Deterministic_KeyStore): |
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def get_private_key(self, sequence, password): |
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seed = self.get_hex_seed(password) |
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self.check_seed(seed) |
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for_change, n = sequence |
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secexp = self.stretch_key(seed) |
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self.check_seed(seed, secexp=secexp) |
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for_change, n = sequence |
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pk = self.get_private_key_from_stretched_exponent(for_change, n, secexp) |
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return pk, False |
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def check_seed(self, seed): |
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secexp = self.stretch_key(seed) |
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def check_seed(self, seed, *, secexp=None): |
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if secexp is None: |
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secexp = self.stretch_key(seed) |
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master_private_key = ecc.ECPrivkey.from_secret_scalar(secexp) |
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master_public_key = master_private_key.get_public_key_bytes(compressed=False)[1:] |
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if master_public_key != bfh(self.mpk): |
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