Changes based on style and lint checks. (final_code_quality_12)
This commit is contained in:
coffeedogs
parent
7a53da73ff
commit
78ddb2f2f2
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@ -1,21 +1,29 @@
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"""
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src/addresses.py
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================
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"""
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# pylint: disable=redefined-outer-name,inconsistent-return-statements
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from __future__ import print_function
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import hashlib
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from struct import pack, unpack
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from pyelliptic import arithmetic
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from binascii import hexlify, unhexlify
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from struct import pack, unpack
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from debug import logger
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from pyelliptic import arithmetic
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# There is another copy of this function in Bitmessagemain.py
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def convertIntToString(n):
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""".. todo:: There is another copy of this function in Bitmessagemain.py"""
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a = __builtins__.hex(n)
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if a[-1:] == 'L':
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a = a[:-1]
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if (len(a) % 2) == 0:
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if len(a) % 2 == 0:
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return unhexlify(a[2:])
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else:
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return unhexlify('0' + a[2:])
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ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
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@ -25,7 +33,7 @@ def encodeBase58(num, alphabet=ALPHABET):
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`num`: The number to encode
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`alphabet`: The alphabet to use for encoding
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"""
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if (num == 0):
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if num == 0:
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return alphabet[0]
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arr = []
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base = len(alphabet)
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@ -59,6 +67,7 @@ def decodeBase58(string, alphabet=ALPHABET):
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def encodeVarint(integer):
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"""Convert integer into varint bytes"""
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if integer < 0:
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logger.error('varint cannot be < 0')
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raise SystemExit
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@ -76,6 +85,7 @@ def encodeVarint(integer):
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class varintDecodeError(Exception):
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"""Exception class for decoding varint data"""
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pass
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@ -87,7 +97,7 @@ def decodeVarint(data):
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Returns a tuple: (theEncodedValue, theSizeOfTheVarintInBytes)
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"""
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if len(data) == 0:
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if not data:
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return (0, 0)
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firstByte, = unpack('>B', data[0:1])
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if firstByte < 253:
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@ -135,6 +145,7 @@ def decodeVarint(data):
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def calculateInventoryHash(data):
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"""Calculate inventory hash from object data"""
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sha = hashlib.new('sha512')
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sha2 = hashlib.new('sha512')
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sha.update(data)
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@ -143,6 +154,7 @@ def calculateInventoryHash(data):
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def encodeAddress(version, stream, ripe):
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"""Convert ripe to address"""
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if version >= 2 and version < 4:
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if len(ripe) != 20:
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raise Exception(
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@ -175,8 +187,11 @@ def encodeAddress(version, stream, ripe):
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def decodeAddress(address):
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# returns (status, address version number, stream number,
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# data (almost certainly a ripe hash))
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"""
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returns (status, address version number, stream number,
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data (almost certainly a ripe hash))
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"""
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# pylint: disable=too-many-return-statements,too-many-statements,too-many-return-statements,too-many-branches
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address = str(address).strip()
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@ -194,24 +209,18 @@ def decodeAddress(address):
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if len(hexdata) % 2 != 0:
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hexdata = '0' + hexdata
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# print 'hexdata', hexdata
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data = unhexlify(hexdata)
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checksum = data[-4:]
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sha = hashlib.new('sha512')
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sha.update(data[:-4])
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currentHash = sha.digest()
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# print 'sha after first hashing: ', sha.hexdigest()
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sha = hashlib.new('sha512')
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sha.update(currentHash)
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# print 'sha after second hashing: ', sha.hexdigest()
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if checksum != sha.digest()[0:4]:
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status = 'checksumfailed'
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return status, 0, 0, ''
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# else:
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# print 'checksum PASSED'
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try:
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addressVersionNumber, bytesUsedByVersionNumber = decodeVarint(data[:9])
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@ -219,8 +228,6 @@ def decodeAddress(address):
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logger.error(str(e))
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status = 'varintmalformed'
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return status, 0, 0, ''
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# print 'addressVersionNumber', addressVersionNumber
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# print 'bytesUsedByVersionNumber', bytesUsedByVersionNumber
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if addressVersionNumber > 4:
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logger.error('cannot decode address version numbers this high')
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@ -238,7 +245,7 @@ def decodeAddress(address):
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logger.error(str(e))
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status = 'varintmalformed'
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return status, 0, 0, ''
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# print streamNumber
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status = 'success'
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if addressVersionNumber == 1:
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return status, addressVersionNumber, streamNumber, data[-24:-4]
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@ -258,7 +265,6 @@ def decodeAddress(address):
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return 'ripetooshort', 0, 0, ''
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elif len(embeddedRipeData) > 20:
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return 'ripetoolong', 0, 0, ''
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else:
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return 'otherproblem', 0, 0, ''
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elif addressVersionNumber == 4:
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embeddedRipeData = \
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@ -271,13 +277,13 @@ def decodeAddress(address):
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return 'ripetoolong', 0, 0, ''
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elif len(embeddedRipeData) < 4:
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return 'ripetooshort', 0, 0, ''
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else:
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x00string = '\x00' * (20 - len(embeddedRipeData))
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return status, addressVersionNumber, streamNumber, \
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x00string + embeddedRipeData
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def addBMIfNotPresent(address):
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"""Prepend BM- to an address if it doesn't already have it"""
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address = str(address).strip()
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return address if address[:3] == 'BM-' else 'BM-' + address
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@ -1,29 +1,39 @@
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"""
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src/bitmessageqt/address_dialogs.py
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===================================
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"""
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# pylint: disable=attribute-defined-outside-init
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import hashlib
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from PyQt4 import QtCore, QtGui
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from addresses import decodeAddress, encodeVarint, addBMIfNotPresent
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from account import (
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GatewayAccount, MailchuckAccount, AccountMixin, accountClass,
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getSortedAccounts
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)
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from tr import _translate
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from retranslateui import RetranslateMixin
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import widgets
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import queues
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import hashlib
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import widgets
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from account import AccountMixin, GatewayAccount, MailchuckAccount, accountClass, getSortedAccounts
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from addresses import addBMIfNotPresent, decodeAddress, encodeVarint
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from inventory import Inventory
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from retranslateui import RetranslateMixin
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from tr import _translate
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class AddressCheckMixin(object):
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"""Base address validation class for QT UI"""
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# pylint: disable=too-few-public-methods
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def __init__(self):
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self.valid = False
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QtCore.QObject.connect(self.lineEditAddress, QtCore.SIGNAL(
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"textChanged(QString)"), self.addressChanged)
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QtCore.QObject.connect( # pylint: disable=no-member
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self.lineEditAddress,
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QtCore.SIGNAL("textChanged(QString)"),
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self.addressChanged)
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def _onSuccess(self, addressVersion, streamNumber, ripe):
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pass
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def addressChanged(self, QString):
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"""Address validation callback, performs validation and gives feedback"""
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status, addressVersion, streamNumber, ripe = decodeAddress(
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str(QString))
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self.valid = status == 'success'
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@ -71,11 +81,14 @@ class AddressCheckMixin(object):
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class AddressDataDialog(QtGui.QDialog, AddressCheckMixin):
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"""QDialog with Bitmessage address validation"""
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def __init__(self, parent):
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super(AddressDataDialog, self).__init__(parent)
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self.parent = parent
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def accept(self):
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"""Callback for QDIalog accepting value"""
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if self.valid:
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self.data = (
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addBMIfNotPresent(str(self.lineEditAddress.text())),
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@ -90,6 +103,7 @@ class AddressDataDialog(QtGui.QDialog, AddressCheckMixin):
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class AddAddressDialog(AddressDataDialog, RetranslateMixin):
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"""QDialog for adding a new address, with validation and translation"""
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def __init__(self, parent=None, address=None):
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super(AddAddressDialog, self).__init__(parent)
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@ -100,6 +114,7 @@ class AddAddressDialog(AddressDataDialog, RetranslateMixin):
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class NewAddressDialog(QtGui.QDialog, RetranslateMixin):
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"""QDialog for generating a new address, with translation"""
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def __init__(self, parent=None):
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super(NewAddressDialog, self).__init__(parent)
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@ -115,6 +130,7 @@ class NewAddressDialog(QtGui.QDialog, RetranslateMixin):
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self.show()
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def accept(self):
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"""accept callback"""
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self.hide()
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# self.buttonBox.enabled = False
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if self.radioButtonRandomAddress.isChecked():
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@ -160,6 +176,7 @@ class NewAddressDialog(QtGui.QDialog, RetranslateMixin):
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class NewSubscriptionDialog(AddressDataDialog, RetranslateMixin):
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"""QDialog for subscribing to an address, with validation and translation"""
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def __init__(self, parent=None):
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super(NewSubscriptionDialog, self).__init__(parent)
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@ -202,6 +219,7 @@ class NewSubscriptionDialog(AddressDataDialog, RetranslateMixin):
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class RegenerateAddressesDialog(QtGui.QDialog, RetranslateMixin):
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"""QDialog for regenerating deterministic addresses, with translation"""
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def __init__(self, parent=None):
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super(RegenerateAddressesDialog, self).__init__(parent)
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widgets.load('regenerateaddresses.ui', self)
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@ -210,6 +228,7 @@ class RegenerateAddressesDialog(QtGui.QDialog, RetranslateMixin):
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class SpecialAddressBehaviorDialog(QtGui.QDialog, RetranslateMixin):
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"""QDialog for special address behaviour (e.g. mailing list functionality), with translation"""
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def __init__(self, parent=None, config=None):
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super(SpecialAddressBehaviorDialog, self).__init__(parent)
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@ -250,6 +269,7 @@ class SpecialAddressBehaviorDialog(QtGui.QDialog, RetranslateMixin):
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self.show()
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def accept(self):
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"""Accept callback"""
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self.hide()
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if self.address_is_chan:
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return
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@ -267,7 +287,7 @@ class SpecialAddressBehaviorDialog(QtGui.QDialog, RetranslateMixin):
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self.config.set(str(self.address), 'mailinglistname', str(
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self.lineEditMailingListName.text().toUtf8()))
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self.parent.setCurrentItemColor(
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QtGui.QColor(137, 04, 177)) # magenta
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QtGui.QColor(137, 4, 177)) # magenta
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self.parent.rerenderComboBoxSendFrom()
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self.parent.rerenderComboBoxSendFromBroadcast()
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self.config.save()
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@ -275,6 +295,7 @@ class SpecialAddressBehaviorDialog(QtGui.QDialog, RetranslateMixin):
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class EmailGatewayDialog(QtGui.QDialog, RetranslateMixin):
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"""QDialog for email gateway control, with translation"""
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def __init__(self, parent, config=None, account=None):
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super(EmailGatewayDialog, self).__init__(parent)
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widgets.load('emailgateway.ui', self)
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@ -315,6 +336,7 @@ class EmailGatewayDialog(QtGui.QDialog, RetranslateMixin):
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QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
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def accept(self):
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"""Accept callback"""
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self.hide()
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# no chans / mailinglists
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if self.acct.type != AccountMixin.NORMAL:
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@ -1,52 +1,59 @@
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from email.mime.text import MIMEText
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from email.header import Header
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"""
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src/class_smtpDeliver.py
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========================
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"""
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# pylint: disable=unused-variable
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import smtplib
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import sys
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import threading
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import urlparse
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from email.header import Header
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from email.mime.text import MIMEText
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from bmconfigparser import BMConfigParser
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from debug import logger
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from helper_threading import *
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import queues
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import state
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from bmconfigparser import BMConfigParser
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from debug import logger
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from helper_threading import StoppableThread
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SMTPDOMAIN = "bmaddr.lan"
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class smtpDeliver(threading.Thread, StoppableThread):
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"""SMTP client thread for delivery"""
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_instance = None
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def __init__(self, parent=None):
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def __init__(self):
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threading.Thread.__init__(self, name="smtpDeliver")
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self.initStop()
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def stopThread(self):
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try:
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queues.UISignallerQueue.put(("stopThread", "data"))
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queues.UISignallerQueue.put(("stopThread", "data")) # pylint: disable=no-member
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except:
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pass
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super(smtpDeliver, self).stopThread()
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@classmethod
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def get(cls):
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"""(probably) Singleton functionality"""
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if not cls._instance:
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cls._instance = smtpDeliver()
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return cls._instance
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def run(self):
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# pylint: disable=too-many-branches,too-many-statements,too-many-locals
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while state.shutdown == 0:
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command, data = queues.UISignalQueue.get()
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if command == 'writeNewAddressToTable':
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label, address, streamNumber = data
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pass
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elif command == 'updateStatusBar':
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pass
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elif command == 'updateSentItemStatusByToAddress':
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toAddress, message = data
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pass
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elif command == 'updateSentItemStatusByAckdata':
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ackData, message = data
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pass
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elif command == 'displayNewInboxMessage':
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inventoryHash, toAddress, fromAddress, subject, body = data
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dest = BMConfigParser().safeGet("bitmessagesettings", "smtpdeliver", '')
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@ -59,8 +66,12 @@ class smtpDeliver(threading.Thread, StoppableThread):
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msg = MIMEText(body, 'plain', 'utf-8')
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msg['Subject'] = Header(subject, 'utf-8')
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msg['From'] = fromAddress + '@' + SMTPDOMAIN
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toLabel = map (lambda y: BMConfigParser().safeGet(y, "label"), filter(lambda x: x == toAddress, BMConfigParser().addresses()))
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if len(toLabel) > 0:
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toLabel = map( # pylint: disable=deprecated-lambda
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lambda y: BMConfigParser().safeGet(y, "label"),
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filter( # pylint: disable=deprecated-lambda
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lambda x: x == toAddress, BMConfigParser().addresses())
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)
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if toLabel:
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msg['To'] = "\"%s\" <%s>" % (Header(toLabel[0], 'utf-8'), toAddress + '@' + SMTPDOMAIN)
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else:
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msg['To'] = toAddress + '@' + SMTPDOMAIN
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@ -74,7 +85,6 @@ class smtpDeliver(threading.Thread, StoppableThread):
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logger.error("smtp delivery error", exc_info=True)
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elif command == 'displayNewSentMessage':
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toAddress, fromLabel, fromAddress, subject, message, ackdata = data
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pass
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elif command == 'updateNetworkStatusTab':
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pass
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elif command == 'updateNumberOfMessagesProcessed':
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@ -103,7 +113,6 @@ class smtpDeliver(threading.Thread, StoppableThread):
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pass
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elif command == 'alert':
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title, text, exitAfterUserClicksOk = data
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pass
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elif command == 'stopThread':
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break
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else:
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@ -31,6 +31,9 @@
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# THE SOFTWARE.
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#
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"""
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src/fallback/umsgpack/umsgpack.py
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=================================
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u-msgpack-python v2.4.1 - v at sergeev.io
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https://github.com/vsergeev/u-msgpack-python
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@ -43,10 +46,13 @@ types.
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License: MIT
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"""
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import struct
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# pylint: disable=too-many-lines,too-many-branches,too-many-statements,global-statement,too-many-return-statements
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# pylint: disable=unused-argument
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import collections
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import sys
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import io
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import struct
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import sys
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__version__ = "2.4.1"
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"Module version string"
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@ -60,7 +66,7 @@ version = (2, 4, 1)
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##############################################################################
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# Extension type for application-defined types and data
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class Ext:
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class Ext: # pylint: disable=old-style-class
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"""
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The Ext class facilitates creating a serializable extension object to store
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an application-defined type and data byte array.
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@ -87,6 +93,8 @@ class Ext:
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Ext Object (Type: 0x05, Data: 01 02 03)
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>>>
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"""
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# pylint:disable=redefined-builtin
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# Application ext type should be 0 <= type <= 127
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if not isinstance(type, int) or not (type >= 0 and type <= 127):
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raise TypeError("ext type out of range")
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@ -412,7 +420,7 @@ def _pack2(obj, fp, **options):
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_pack_ext(ext_handlers[obj.__class__](obj), fp, options)
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elif isinstance(obj, bool):
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_pack_boolean(obj, fp, options)
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elif isinstance(obj, int) or isinstance(obj, long):
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elif isinstance(obj, (int, long)):
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_pack_integer(obj, fp, options)
|
||||
elif isinstance(obj, float):
|
||||
_pack_float(obj, fp, options)
|
||||
|
|
@ -424,7 +432,7 @@ def _pack2(obj, fp, **options):
|
|||
_pack_string(obj, fp, options)
|
||||
elif isinstance(obj, str):
|
||||
_pack_binary(obj, fp, options)
|
||||
elif isinstance(obj, list) or isinstance(obj, tuple):
|
||||
elif isinstance(obj, (list, tuple)):
|
||||
_pack_array(obj, fp, options)
|
||||
elif isinstance(obj, dict):
|
||||
_pack_map(obj, fp, options)
|
||||
|
|
@ -494,7 +502,7 @@ def _pack3(obj, fp, **options):
|
|||
_pack_string(obj, fp, options)
|
||||
elif isinstance(obj, bytes):
|
||||
_pack_binary(obj, fp, options)
|
||||
elif isinstance(obj, list) or isinstance(obj, tuple):
|
||||
elif isinstance(obj, (list, tuple)):
|
||||
_pack_array(obj, fp, options)
|
||||
elif isinstance(obj, dict):
|
||||
_pack_map(obj, fp, options)
|
||||
|
|
@ -723,7 +731,7 @@ def _unpack_array(code, fp, options):
|
|||
else:
|
||||
raise Exception("logic error, not array: 0x%02x" % ord(code))
|
||||
|
||||
return [_unpack(fp, options) for i in xrange(length)]
|
||||
return [_unpack(fp, options) for _ in xrange(length)]
|
||||
|
||||
|
||||
def _deep_list_to_tuple(obj):
|
||||
|
|
@ -957,6 +965,8 @@ def _unpackb3(s, **options):
|
|||
|
||||
|
||||
def __init():
|
||||
# pylint: disable=global-variable-undefined
|
||||
|
||||
global pack
|
||||
global packb
|
||||
global unpack
|
||||
|
|
@ -989,7 +999,7 @@ def __init():
|
|||
unpackb = _unpackb3
|
||||
load = _unpack3
|
||||
loads = _unpackb3
|
||||
xrange = range
|
||||
xrange = range # pylint: disable=redefined-builtin
|
||||
else:
|
||||
pack = _pack2
|
||||
packb = _packb2
|
||||
|
|
|
|||
|
|
@ -1,17 +1,23 @@
|
|||
#!/usr/bin/env python
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
src/pyelliptic/ecc.py
|
||||
=====================
|
||||
"""
|
||||
# pylint: disable=protected-access
|
||||
|
||||
# Copyright (C) 2011 Yann GUIBET <yannguibet@gmail.com>
|
||||
# See LICENSE for details.
|
||||
|
||||
from hashlib import sha512
|
||||
from pyelliptic.openssl import OpenSSL
|
||||
from pyelliptic.cipher import Cipher
|
||||
from pyelliptic.hash import hmac_sha256, equals
|
||||
from struct import pack, unpack
|
||||
|
||||
from pyelliptic.cipher import Cipher
|
||||
from pyelliptic.hash import equals, hmac_sha256
|
||||
from pyelliptic.openssl import OpenSSL
|
||||
|
||||
class ECC:
|
||||
|
||||
class ECC(object):
|
||||
"""
|
||||
Asymmetric encryption with Elliptic Curve Cryptography (ECC)
|
||||
ECDH, ECDSA and ECIES
|
||||
|
|
@ -40,13 +46,21 @@ class ECC:
|
|||
>>> print bob.get_ecdh_key(alice.get_pubkey()).encode('hex')
|
||||
|
||||
"""
|
||||
def __init__(self, pubkey=None, privkey=None, pubkey_x=None,
|
||||
pubkey_y=None, raw_privkey=None, curve='sect283r1'):
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
pubkey=None,
|
||||
privkey=None,
|
||||
pubkey_x=None,
|
||||
pubkey_y=None,
|
||||
raw_privkey=None,
|
||||
curve='sect283r1',
|
||||
): # pylint: disable=too-many-arguments
|
||||
"""
|
||||
For a normal and High level use, specifie pubkey,
|
||||
privkey (if you need) and the curve
|
||||
"""
|
||||
if type(curve) == str:
|
||||
if isinstance(curve, str):
|
||||
self.curve = OpenSSL.get_curve(curve)
|
||||
else:
|
||||
self.curve = curve
|
||||
|
|
@ -54,9 +68,9 @@ class ECC:
|
|||
if pubkey_x is not None and pubkey_y is not None:
|
||||
self._set_keys(pubkey_x, pubkey_y, raw_privkey)
|
||||
elif pubkey is not None:
|
||||
curve, pubkey_x, pubkey_y, i = ECC._decode_pubkey(pubkey)
|
||||
curve, pubkey_x, pubkey_y, _ = ECC._decode_pubkey(pubkey)
|
||||
if privkey is not None:
|
||||
curve2, raw_privkey, i = ECC._decode_privkey(privkey)
|
||||
curve2, raw_privkey, _ = ECC._decode_privkey(privkey)
|
||||
if curve != curve2:
|
||||
raise Exception("Bad ECC keys ...")
|
||||
self.curve = curve
|
||||
|
|
@ -83,9 +97,11 @@ class ECC:
|
|||
return OpenSSL.curves.keys()
|
||||
|
||||
def get_curve(self):
|
||||
"""Encryption object from curve name"""
|
||||
return OpenSSL.get_curve_by_id(self.curve)
|
||||
|
||||
def get_curve_id(self):
|
||||
"""Currently used curve"""
|
||||
return self.curve
|
||||
|
||||
def get_pubkey(self):
|
||||
|
|
@ -93,11 +109,12 @@ class ECC:
|
|||
High level function which returns :
|
||||
curve(2) + len_of_pubkeyX(2) + pubkeyX + len_of_pubkeyY + pubkeyY
|
||||
"""
|
||||
return b''.join((pack('!H', self.curve),
|
||||
return b''.join((
|
||||
pack('!H', self.curve),
|
||||
pack('!H', len(self.pubkey_x)),
|
||||
self.pubkey_x,
|
||||
pack('!H', len(self.pubkey_y)),
|
||||
self.pubkey_y
|
||||
self.pubkey_y,
|
||||
))
|
||||
|
||||
def get_privkey(self):
|
||||
|
|
@ -105,9 +122,10 @@ class ECC:
|
|||
High level function which returns
|
||||
curve(2) + len_of_privkey(2) + privkey
|
||||
"""
|
||||
return b''.join((pack('!H', self.curve),
|
||||
return b''.join((
|
||||
pack('!H', self.curve),
|
||||
pack('!H', len(self.privkey)),
|
||||
self.privkey
|
||||
self.privkey,
|
||||
))
|
||||
|
||||
@staticmethod
|
||||
|
|
@ -153,12 +171,9 @@ class ECC:
|
|||
group = OpenSSL.EC_KEY_get0_group(key)
|
||||
pub_key = OpenSSL.EC_KEY_get0_public_key(key)
|
||||
|
||||
if (OpenSSL.EC_POINT_get_affine_coordinates_GFp(group, pub_key,
|
||||
pub_key_x,
|
||||
pub_key_y, 0
|
||||
)) == 0:
|
||||
raise Exception(
|
||||
"[OpenSSL] EC_POINT_get_affine_coordinates_GFp FAIL ...")
|
||||
if OpenSSL.EC_POINT_get_affine_coordinates_GFp(
|
||||
group, pub_key, pub_key_x, pub_key_y, 0) == 0:
|
||||
raise Exception("[OpenSSL] EC_POINT_get_affine_coordinates_GFp FAIL ...")
|
||||
|
||||
privkey = OpenSSL.malloc(0, OpenSSL.BN_num_bytes(priv_key))
|
||||
pubkeyx = OpenSSL.malloc(0, OpenSSL.BN_num_bytes(pub_key_x))
|
||||
|
|
@ -183,12 +198,13 @@ class ECC:
|
|||
High level function. Compute public key with the local private key
|
||||
and returns a 512bits shared key
|
||||
"""
|
||||
curve, pubkey_x, pubkey_y, i = ECC._decode_pubkey(pubkey)
|
||||
curve, pubkey_x, pubkey_y, _ = ECC._decode_pubkey(pubkey)
|
||||
if curve != self.curve:
|
||||
raise Exception("ECC keys must be from the same curve !")
|
||||
return sha512(self.raw_get_ecdh_key(pubkey_x, pubkey_y)).digest()
|
||||
|
||||
def raw_get_ecdh_key(self, pubkey_x, pubkey_y):
|
||||
"""ECDH key as binary data"""
|
||||
try:
|
||||
ecdh_keybuffer = OpenSSL.malloc(0, 32)
|
||||
|
||||
|
|
@ -248,20 +264,22 @@ class ECC:
|
|||
Check the public key and the private key.
|
||||
The private key is optional (replace by None)
|
||||
"""
|
||||
curve, pubkey_x, pubkey_y, i = ECC._decode_pubkey(pubkey)
|
||||
curve, pubkey_x, pubkey_y, _ = ECC._decode_pubkey(pubkey)
|
||||
if privkey is None:
|
||||
raw_privkey = None
|
||||
curve2 = curve
|
||||
else:
|
||||
curve2, raw_privkey, i = ECC._decode_privkey(privkey)
|
||||
curve2, raw_privkey, _ = ECC._decode_privkey(privkey)
|
||||
if curve != curve2:
|
||||
raise Exception("Bad public and private key")
|
||||
return self.raw_check_key(raw_privkey, pubkey_x, pubkey_y, curve)
|
||||
|
||||
def raw_check_key(self, privkey, pubkey_x, pubkey_y, curve=None):
|
||||
"""Check key validity, key is supplied as binary data"""
|
||||
# pylint: disable=too-many-branches
|
||||
if curve is None:
|
||||
curve = self.curve
|
||||
elif type(curve) == str:
|
||||
elif isinstance(curve, str):
|
||||
curve = OpenSSL.get_curve(curve)
|
||||
else:
|
||||
curve = curve
|
||||
|
|
@ -306,6 +324,7 @@ class ECC:
|
|||
"""
|
||||
Sign the input with ECDSA method and returns the signature
|
||||
"""
|
||||
# pylint: disable=too-many-branches,too-many-locals
|
||||
try:
|
||||
size = len(inputb)
|
||||
buff = OpenSSL.malloc(inputb, size)
|
||||
|
|
@ -369,13 +388,13 @@ class ECC:
|
|||
OpenSSL.EVP_MD_CTX_free(md_ctx)
|
||||
else:
|
||||
OpenSSL.EVP_MD_CTX_destroy(md_ctx)
|
||||
pass
|
||||
|
||||
def verify(self, sig, inputb, digest_alg=OpenSSL.digest_ecdsa_sha1):
|
||||
"""
|
||||
Verify the signature with the input and the local public key.
|
||||
Returns a boolean
|
||||
"""
|
||||
# pylint: disable=too-many-branches
|
||||
try:
|
||||
bsig = OpenSSL.malloc(sig, len(sig))
|
||||
binputb = OpenSSL.malloc(inputb, len(inputb))
|
||||
|
|
@ -419,12 +438,9 @@ class ECC:
|
|||
|
||||
if ret == -1:
|
||||
return False # Fail to Check
|
||||
else:
|
||||
if ret == 0:
|
||||
return False # Bad signature !
|
||||
else:
|
||||
return True # Good
|
||||
return False
|
||||
|
||||
finally:
|
||||
OpenSSL.EC_KEY_free(key)
|
||||
|
|
@ -441,13 +457,21 @@ class ECC:
|
|||
"""
|
||||
Encrypt data with ECIES method using the public key of the recipient.
|
||||
"""
|
||||
curve, pubkey_x, pubkey_y, i = ECC._decode_pubkey(pubkey)
|
||||
curve, pubkey_x, pubkey_y, _ = ECC._decode_pubkey(pubkey)
|
||||
return ECC.raw_encrypt(data, pubkey_x, pubkey_y, curve=curve,
|
||||
ephemcurve=ephemcurve, ciphername=ciphername)
|
||||
|
||||
@staticmethod
|
||||
def raw_encrypt(data, pubkey_x, pubkey_y, curve='sect283r1',
|
||||
ephemcurve=None, ciphername='aes-256-cbc'):
|
||||
def raw_encrypt(
|
||||
data,
|
||||
pubkey_x,
|
||||
pubkey_y,
|
||||
curve='sect283r1',
|
||||
ephemcurve=None,
|
||||
ciphername='aes-256-cbc',
|
||||
): # pylint: disable=too-many-arguments
|
||||
"""ECHD encryption, keys supplied in binary data format"""
|
||||
|
||||
if ephemcurve is None:
|
||||
ephemcurve = curve
|
||||
ephem = ECC(curve=ephemcurve)
|
||||
|
|
@ -464,10 +488,11 @@ class ECC:
|
|||
"""
|
||||
Decrypt data with ECIES method using the local private key
|
||||
"""
|
||||
# pylint: disable=too-many-locals
|
||||
blocksize = OpenSSL.get_cipher(ciphername).get_blocksize()
|
||||
iv = data[:blocksize]
|
||||
i = blocksize
|
||||
curve, pubkey_x, pubkey_y, i2 = ECC._decode_pubkey(data[i:])
|
||||
_, pubkey_x, pubkey_y, i2 = ECC._decode_pubkey(data[i:])
|
||||
i += i2
|
||||
ciphertext = data[i:len(data) - 32]
|
||||
i += len(ciphertext)
|
||||
|
|
|
|||
|
|
@ -1,12 +1,29 @@
|
|||
"""
|
||||
src/randomtrackingdict.py
|
||||
=========================
|
||||
"""
|
||||
|
||||
import random
|
||||
from threading import RLock
|
||||
from time import time
|
||||
|
||||
import helper_random
|
||||
|
||||
|
||||
class RandomTrackingDict(object):
|
||||
"""
|
||||
Dict with randomised order and tracking.
|
||||
|
||||
Keeps a track of how many items have been requested from the dict, and timeouts. Resets after all objects have been
|
||||
retrieved and timed out. The main purpose of this isn't as much putting related code together as performance
|
||||
optimisation and anonymisation of downloading of objects from other peers. If done using a standard dict or array,
|
||||
it takes too much CPU (and looks convoluted). Randomisation helps with anonymity.
|
||||
"""
|
||||
# pylint: disable=too-many-instance-attributes
|
||||
maxPending = 10
|
||||
pendingTimeout = 60
|
||||
def __init__(self): # O(1)
|
||||
|
||||
def __init__(self):
|
||||
self.dictionary = {}
|
||||
self.indexDict = []
|
||||
self.len = 0
|
||||
|
|
@ -46,7 +63,7 @@ class RandomTrackingDict(object):
|
|||
self.len += 1
|
||||
|
||||
def __delitem__(self, key):
|
||||
if not key in self.dictionary:
|
||||
if key not in self.dictionary:
|
||||
raise KeyError
|
||||
with self.lock:
|
||||
index = self.dictionary[key][0]
|
||||
|
|
@ -67,9 +84,14 @@ class RandomTrackingDict(object):
|
|||
self.len -= 1
|
||||
|
||||
def setMaxPending(self, maxPending):
|
||||
"""
|
||||
Sets maximum number of objects that can be retrieved from the class simultaneously as long as there is no
|
||||
timeout
|
||||
"""
|
||||
self.maxPending = maxPending
|
||||
|
||||
def setPendingTimeout(self, pendingTimeout):
|
||||
"""Sets how long to wait for a timeout if max pending is reached (or all objects have been retrieved)"""
|
||||
self.pendingTimeout = pendingTimeout
|
||||
|
||||
def setLastObject(self):
|
||||
|
|
@ -77,10 +99,13 @@ class RandomTrackingDict(object):
|
|||
self.lastObject = time()
|
||||
|
||||
def randomKeys(self, count=1):
|
||||
"""Retrieve count random keys from the dict that haven't already been retrieved"""
|
||||
if self.len == 0 or ((self.pendingLen >= self.maxPending or
|
||||
self.pendingLen == self.len) and self.lastPoll +
|
||||
self.pendingTimeout > time()):
|
||||
raise KeyError
|
||||
|
||||
# pylint: disable=redefined-outer-name
|
||||
with self.lock:
|
||||
# reset if we've requested all
|
||||
# or if last object received too long time ago
|
||||
|
|
@ -99,8 +124,12 @@ class RandomTrackingDict(object):
|
|||
self.lastPoll = time()
|
||||
return retval
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
|
||||
# pylint: disable=redefined-outer-name
|
||||
def randString():
|
||||
"""helper function for tests, generates a random string"""
|
||||
retval = b''
|
||||
for _ in range(32):
|
||||
retval += chr(random.randint(0, 255))
|
||||
|
|
@ -110,31 +139,24 @@ if __name__ == '__main__':
|
|||
k = RandomTrackingDict()
|
||||
d = {}
|
||||
|
||||
# print "populating normal dict"
|
||||
# a.append(time())
|
||||
# for i in range(50000):
|
||||
# d[randString()] = True
|
||||
# a.append(time())
|
||||
print "populating random tracking dict"
|
||||
a.append(time())
|
||||
for i in range(50000):
|
||||
k[randString()] = True
|
||||
a.append(time())
|
||||
print "done"
|
||||
while len(k) > 0:
|
||||
|
||||
while k:
|
||||
retval = k.randomKeys(1000)
|
||||
if not retval:
|
||||
print "error getting random keys"
|
||||
#a.append(time())
|
||||
try:
|
||||
k.randomKeys(100)
|
||||
print "bad"
|
||||
except KeyError:
|
||||
pass
|
||||
#a.append(time())
|
||||
for i in retval:
|
||||
del k[i]
|
||||
#a.append(time())
|
||||
a.append(time())
|
||||
|
||||
for x in range(len(a) - 1):
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user