tfix #4360 - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit b175c6b6094525c34039eecc5babd9d798eb9146
DIR parent f0657a35071d74e7ee0e0897601dc670709cb907
HTML Author: SomberNight <somber.night@protonmail.com>
Date: Sun, 13 May 2018 03:11:20 +0200
fix #4360
Diffstat:
M lib/bitcoin.py | 4 ++++
1 file changed, 4 insertions(+), 0 deletions(-)
---
DIR diff --git a/lib/bitcoin.py b/lib/bitcoin.py
t@@ -944,6 +944,8 @@ def xpub_header(xtype, *, net=None):
def serialize_xprv(xtype, c, k, depth=0, fingerprint=b'\x00'*4,
child_number=b'\x00'*4, *, net=None):
+ if not (0 < string_to_number(k) < SECP256k1.order):
+ raise BitcoinException('Impossible xprv (not within curve order)')
xprv = xprv_header(xtype, net=net) \
+ bytes([depth]) + fingerprint + child_number + c + bytes([0]) + k
return EncodeBase58Check(xprv)
t@@ -975,6 +977,8 @@ def deserialize_xkey(xkey, prv, *, net=None):
xtype = list(headers.keys())[list(headers.values()).index(header)]
n = 33 if prv else 32
K_or_k = xkey[13+n:]
+ if prv and not (0 < string_to_number(K_or_k) < SECP256k1.order):
+ raise BitcoinException('Impossible xprv (not within curve order)')
return xtype, depth, fingerprint, child_number, c, K_or_k