commit bdb8220a1aef0ddeea28c0c56bbda4c5bc041edb
parent b4b862b0cc7930396f1350783019f61db8bf7a12
Author: ThomasV <thomasv@electrum.org>
Date: Wed, 18 Jul 2018 14:49:36 +0200
Merge pull request #4563 from spesmilo/remove_pbkdf2
remove pbkdf2 dependency, use stdlib instead
Diffstat:
6 files changed, 9 insertions(+), 13 deletions(-)
diff --git a/contrib/requirements/requirements.txt b/contrib/requirements/requirements.txt
@@ -1,6 +1,5 @@
pyaes>=0.1a1
ecdsa>=0.9
-pbkdf2
requests
qrcode
protobuf
diff --git a/electrum/keystore.py b/electrum/keystore.py
@@ -552,13 +552,12 @@ def bip39_normalize_passphrase(passphrase):
return normalize('NFKD', passphrase or '')
def bip39_to_seed(mnemonic, passphrase):
- import pbkdf2, hashlib, hmac
+ import hashlib, hmac
PBKDF2_ROUNDS = 2048
mnemonic = normalize('NFKD', ' '.join(mnemonic.split()))
passphrase = bip39_normalize_passphrase(passphrase)
- return pbkdf2.PBKDF2(mnemonic, 'mnemonic' + passphrase,
- iterations = PBKDF2_ROUNDS, macmodule = hmac,
- digestmodule = hashlib.sha512).read(64)
+ return hashlib.pbkdf2_hmac('sha512', mnemonic.encode('utf-8'),
+ b'mnemonic' + passphrase.encode('utf-8'), iterations = PBKDF2_ROUNDS)
# returns tuple (is_checksum_valid, is_wordlist_valid)
def bip39_is_checksum_valid(mnemonic):
diff --git a/electrum/mnemonic.py b/electrum/mnemonic.py
@@ -30,7 +30,6 @@ import unicodedata
import string
import ecdsa
-import pbkdf2
from .util import print_error
from .bitcoin import is_old_seed, is_new_seed
@@ -131,7 +130,7 @@ class Mnemonic(object):
PBKDF2_ROUNDS = 2048
mnemonic = normalize_text(mnemonic)
passphrase = normalize_text(passphrase)
- return pbkdf2.PBKDF2(mnemonic, 'electrum' + passphrase, iterations = PBKDF2_ROUNDS, macmodule = hmac, digestmodule = hashlib.sha512).read(64)
+ return hashlib.pbkdf2_hmac('sha512', mnemonic.encode('utf-8'), b'electrum' + passphrase.encode('utf-8'), iterations = PBKDF2_ROUNDS)
def mnemonic_encode(self, i):
n = len(self.wordlist)
diff --git a/electrum/plugins/digitalbitbox/digitalbitbox.py b/electrum/plugins/digitalbitbox/digitalbitbox.py
@@ -120,8 +120,8 @@ class DigitalBitbox_Client():
def stretch_key(self, key):
- import pbkdf2, hmac
- return to_hexstr(pbkdf2.PBKDF2(key, b'Digital Bitbox', iterations = 20480, macmodule = hmac, digestmodule = hashlib.sha512).read(64))
+ import hmac
+ return to_hexstr(hashlib.pbkdf2_hmac('sha512', key.encode('utf-8'), b'Digital Bitbox', iterations = 20480))
def backup_password_dialog(self):
diff --git a/electrum/storage.py b/electrum/storage.py
@@ -29,7 +29,7 @@ import json
import copy
import re
import stat
-import pbkdf2, hmac, hashlib
+import hmac, hashlib
import base64
import zlib
from collections import defaultdict
@@ -165,7 +165,7 @@ class WalletStorage(PrintError):
@staticmethod
def get_eckey_from_password(password):
- secret = pbkdf2.PBKDF2(password, '', iterations=1024, macmodule=hmac, digestmodule=hashlib.sha512).read(64)
+ secret = hashlib.pbkdf2_hmac('sha512', password.encode('utf-8'), b'', iterations=1024)
ec_key = ecc.ECPrivkey.from_arbitrary_size_secret(secret)
return ec_key
@@ -637,7 +637,7 @@ class WalletStorage(PrintError):
# version 1.9.8 created v6 wallets when an incorrect seed was entered in the restore dialog
msg += '\n\nThis file was created because of a bug in version 1.9.8.'
if self.get('master_public_keys') is None and self.get('master_private_keys') is None and self.get('imported_keys') is None:
- # pbkdf2 was not included with the binaries, and wallet creation aborted.
+ # pbkdf2 (at that time an additional dependency) was not included with the binaries, and wallet creation aborted.
msg += "\nIt does not contain any keys, and can safely be removed."
else:
# creation was complete if electrum was run from source
diff --git a/run_electrum b/run_electrum
@@ -46,7 +46,6 @@ def check_imports():
import ecdsa
import requests
import qrcode
- import pbkdf2
import google.protobuf
import jsonrpclib
except ImportError as e:
