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pywallet.py
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pywallet.py
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#!/usr/bin/env python
#-*- coding: utf-8 -*-
pywversion="2.2"
never_update=False
#
# jackjack's pywallet.py
# https://github.com/jackjack-jj/pywallet
# forked from Joric's pywallet.py
#
beta_version = ('a' in pywversion.split('-')[0]) or ('b' in pywversion.split('-')[0])
missing_dep = []
try:
from bsddb.db import *
except:
try:
from bsddb3.db import *
except:
missing_dep.append('bsddb')
import os, sys, time, re
pyw_filename = os.path.basename(__file__)
pyw_path = os.path.dirname(os.path.realpath(__file__))
try:
for i in os.listdir('/usr/lib/python2.5/site-packages'):
if 'Twisted' in i:
sys.path.append('/usr/lib/python2.5/site-packages/'+i)
except:
''
try:
import json
except:
try:
import simplejson as json
except:
print("Json or simplejson package is needed")
import logging
import struct
import StringIO
import traceback
import socket
import types
import string
import exceptions
import hashlib
import random
import urllib
import math
try:
from twisted.internet import reactor
from twisted.web import server, resource
from twisted.web.static import File
from twisted.python import log
except:
missing_dep.append('twisted')
from datetime import datetime
from subprocess import *
import os
import os.path
import platform
max_version = 81000
addrtype = 0
json_db = {}
private_keys = []
private_hex_keys = []
passphrase = ""
global_merging_message = ["",""]
balance_site = 'https://blockchain.info/q/addressbalance/'
aversions = {};
for i in range(256):
aversions[i] = "version %d" % i;
aversions[0] = 'Bitcoin';
aversions[48] = 'Litecoin';
aversions[52] = 'Namecoin';
aversions[111] = 'Testnet';
wallet_dir = ""
wallet_name = ""
ko = 1e3
kio = 1024
Mo = 1e6
Mio = 1024 ** 2
Go = 1e9
Gio = 1024 ** 3
To = 1e12
Tio = 1024 ** 4
prekeys = ["308201130201010420".decode('hex'), "308201120201010420".decode('hex')]
postkeys = ["a081a530".decode('hex'), "81a530".decode('hex')]
def iais(a):
if a>= 2:
return 's'
else:
return ''
def systype():
if platform.system() == "Darwin":
return 'Mac'
elif platform.system() == "Windows":
return 'Win'
return 'Linux'
def determine_db_dir():
if wallet_dir in "":
if platform.system() == "Darwin":
return os.path.expanduser("~/Library/Application Support/Bitcoin/")
elif platform.system() == "Windows":
return os.path.join(os.environ['APPDATA'], "Bitcoin")
return os.path.expanduser("~/.bitcoin")
else:
return wallet_dir
def determine_db_name():
if wallet_name in "":
return "wallet.dat"
else:
return wallet_name
########################
# begin of aes.py code #
########################
# from the SlowAES project, http://code.google.com/p/slowaes (aes.py)
def append_PKCS7_padding(s):
"""return s padded to a multiple of 16-bytes by PKCS7 padding"""
numpads = 16 - (len(s)%16)
return s + numpads*chr(numpads)
def strip_PKCS7_padding(s):
"""return s stripped of PKCS7 padding"""
if len(s)%16 or not s:
raise ValueError("String of len %d can't be PCKS7-padded" % len(s))
numpads = ord(s[-1])
if numpads > 16:
raise ValueError("String ending with %r can't be PCKS7-padded" % s[-1])
return s[:-numpads]
class AES(object):
# valid key sizes
keySize = dict(SIZE_128=16, SIZE_192=24, SIZE_256=32)
# Rijndael S-box
sbox = [0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67,
0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59,
0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7,
0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1,
0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05,
0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83,
0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29,
0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa,
0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c,
0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc,
0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec,
0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19,
0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee,
0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49,
0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4,
0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6,
0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70,
0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9,
0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e,
0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1,
0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0,
0x54, 0xbb, 0x16]
# Rijndael Inverted S-box
rsbox = [0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3,
0x9e, 0x81, 0xf3, 0xd7, 0xfb , 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f,
0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb , 0x54,
0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b,
0x42, 0xfa, 0xc3, 0x4e , 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24,
0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25 , 0x72, 0xf8,
0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d,
0x65, 0xb6, 0x92 , 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,
0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84 , 0x90, 0xd8, 0xab,
0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3,
0x45, 0x06 , 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1,
0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b , 0x3a, 0x91, 0x11, 0x41,
0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6,
0x73 , 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9,
0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e , 0x47, 0xf1, 0x1a, 0x71, 0x1d,
0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b ,
0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0,
0xfe, 0x78, 0xcd, 0x5a, 0xf4 , 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07,
0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f , 0x60,
0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f,
0x93, 0xc9, 0x9c, 0xef , 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5,
0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61 , 0x17, 0x2b,
0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55,
0x21, 0x0c, 0x7d]
def getSBoxValue(self,num):
"""Retrieves a given S-Box Value"""
return self.sbox[num]
def getSBoxInvert(self,num):
"""Retrieves a given Inverted S-Box Value"""
return self.rsbox[num]
def rotate(self, word):
""" Rijndael's key schedule rotate operation.
Rotate a word eight bits to the left: eg, rotate(1d2c3a4f) == 2c3a4f1d
Word is an char list of size 4 (32 bits overall).
"""
return word[1:] + word[:1]
# Rijndael Rcon
Rcon = [0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36,
0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97,
0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72,
0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66,
0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04,
0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d,
0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3,
0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61,
0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a,
0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40,
0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc,
0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5,
0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a,
0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d,
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c,
0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35,
0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4,
0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc,
0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08,
0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a,
0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d,
0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2,
0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74,
0xe8, 0xcb ]
def getRconValue(self, num):
"""Retrieves a given Rcon Value"""
return self.Rcon[num]
def core(self, word, iteration):
"""Key schedule core."""
# rotate the 32-bit word 8 bits to the left
word = self.rotate(word)
# apply S-Box substitution on all 4 parts of the 32-bit word
for i in range(4):
word[i] = self.getSBoxValue(word[i])
# XOR the output of the rcon operation with i to the first part
# (leftmost) only
word[0] = word[0] ^ self.getRconValue(iteration)
return word
def expandKey(self, key, size, expandedKeySize):
"""Rijndael's key expansion.
Expands an 128,192,256 key into an 176,208,240 bytes key
expandedKey is a char list of large enough size,
key is the non-expanded key.
"""
# current expanded keySize, in bytes
currentSize = 0
rconIteration = 1
expandedKey = [0] * expandedKeySize
# set the 16, 24, 32 bytes of the expanded key to the input key
for j in range(size):
expandedKey[j] = key[j]
currentSize += size
while currentSize < expandedKeySize:
# assign the previous 4 bytes to the temporary value t
t = expandedKey[currentSize-4:currentSize]
# every 16,24,32 bytes we apply the core schedule to t
# and increment rconIteration afterwards
if currentSize % size == 0:
t = self.core(t, rconIteration)
rconIteration += 1
# For 256-bit keys, we add an extra sbox to the calculation
if size == self.keySize["SIZE_256"] and ((currentSize % size) == 16):
for l in range(4): t[l] = self.getSBoxValue(t[l])
# We XOR t with the four-byte block 16,24,32 bytes before the new
# expanded key. This becomes the next four bytes in the expanded
# key.
for m in range(4):
expandedKey[currentSize] = expandedKey[currentSize - size] ^ \
t[m]
currentSize += 1
return expandedKey
def addRoundKey(self, state, roundKey):
"""Adds (XORs) the round key to the state."""
for i in range(16):
state[i] ^= roundKey[i]
return state
def createRoundKey(self, expandedKey, roundKeyPointer):
"""Create a round key.
Creates a round key from the given expanded key and the
position within the expanded key.
"""
roundKey = [0] * 16
for i in range(4):
for j in range(4):
roundKey[j*4+i] = expandedKey[roundKeyPointer + i*4 + j]
return roundKey
def galois_multiplication(self, a, b):
"""Galois multiplication of 8 bit characters a and b."""
p = 0
for counter in range(8):
if b & 1: p ^= a
hi_bit_set = a & 0x80
a <<= 1
# keep a 8 bit
a &= 0xFF
if hi_bit_set:
a ^= 0x1b
b >>= 1
return p
#
# substitute all the values from the state with the value in the SBox
# using the state value as index for the SBox
#
def subBytes(self, state, isInv):
if isInv: getter = self.getSBoxInvert
else: getter = self.getSBoxValue
for i in range(16): state[i] = getter(state[i])
return state
# iterate over the 4 rows and call shiftRow() with that row
def shiftRows(self, state, isInv):
for i in range(4):
state = self.shiftRow(state, i*4, i, isInv)
return state
# each iteration shifts the row to the left by 1
def shiftRow(self, state, statePointer, nbr, isInv):
for i in range(nbr):
if isInv:
state[statePointer:statePointer+4] = \
state[statePointer+3:statePointer+4] + \
state[statePointer:statePointer+3]
else:
state[statePointer:statePointer+4] = \
state[statePointer+1:statePointer+4] + \
state[statePointer:statePointer+1]
return state
# galois multiplication of the 4x4 matrix
def mixColumns(self, state, isInv):
# iterate over the 4 columns
for i in range(4):
# construct one column by slicing over the 4 rows
column = state[i:i+16:4]
# apply the mixColumn on one column
column = self.mixColumn(column, isInv)
# put the values back into the state
state[i:i+16:4] = column
return state
# galois multiplication of 1 column of the 4x4 matrix
def mixColumn(self, column, isInv):
if isInv: mult = [14, 9, 13, 11]
else: mult = [2, 1, 1, 3]
cpy = list(column)
g = self.galois_multiplication
column[0] = g(cpy[0], mult[0]) ^ g(cpy[3], mult[1]) ^ \
g(cpy[2], mult[2]) ^ g(cpy[1], mult[3])
column[1] = g(cpy[1], mult[0]) ^ g(cpy[0], mult[1]) ^ \
g(cpy[3], mult[2]) ^ g(cpy[2], mult[3])
column[2] = g(cpy[2], mult[0]) ^ g(cpy[1], mult[1]) ^ \
g(cpy[0], mult[2]) ^ g(cpy[3], mult[3])
column[3] = g(cpy[3], mult[0]) ^ g(cpy[2], mult[1]) ^ \
g(cpy[1], mult[2]) ^ g(cpy[0], mult[3])
return column
# applies the 4 operations of the forward round in sequence
def aes_round(self, state, roundKey):
state = self.subBytes(state, False)
state = self.shiftRows(state, False)
state = self.mixColumns(state, False)
state = self.addRoundKey(state, roundKey)
return state
# applies the 4 operations of the inverse round in sequence
def aes_invRound(self, state, roundKey):
state = self.shiftRows(state, True)
state = self.subBytes(state, True)
state = self.addRoundKey(state, roundKey)
state = self.mixColumns(state, True)
return state
# Perform the initial operations, the standard round, and the final
# operations of the forward aes, creating a round key for each round
def aes_main(self, state, expandedKey, nbrRounds):
state = self.addRoundKey(state, self.createRoundKey(expandedKey, 0))
i = 1
while i < nbrRounds:
state = self.aes_round(state,
self.createRoundKey(expandedKey, 16*i))
i += 1
state = self.subBytes(state, False)
state = self.shiftRows(state, False)
state = self.addRoundKey(state,
self.createRoundKey(expandedKey, 16*nbrRounds))
return state
# Perform the initial operations, the standard round, and the final
# operations of the inverse aes, creating a round key for each round
def aes_invMain(self, state, expandedKey, nbrRounds):
state = self.addRoundKey(state,
self.createRoundKey(expandedKey, 16*nbrRounds))
i = nbrRounds - 1
while i > 0:
state = self.aes_invRound(state,
self.createRoundKey(expandedKey, 16*i))
i -= 1
state = self.shiftRows(state, True)
state = self.subBytes(state, True)
state = self.addRoundKey(state, self.createRoundKey(expandedKey, 0))
return state
# encrypts a 128 bit input block against the given key of size specified
def encrypt(self, iput, key, size):
output = [0] * 16
# the number of rounds
nbrRounds = 0
# the 128 bit block to encode
block = [0] * 16
# set the number of rounds
if size == self.keySize["SIZE_128"]: nbrRounds = 10
elif size == self.keySize["SIZE_192"]: nbrRounds = 12
elif size == self.keySize["SIZE_256"]: nbrRounds = 14
else: return None
# the expanded keySize
expandedKeySize = 16*(nbrRounds+1)
# Set the block values, for the block:
# a0,0 a0,1 a0,2 a0,3
# a1,0 a1,1 a1,2 a1,3
# a2,0 a2,1 a2,2 a2,3
# a3,0 a3,1 a3,2 a3,3
# the mapping order is a0,0 a1,0 a2,0 a3,0 a0,1 a1,1 ... a2,3 a3,3
#
# iterate over the columns
for i in range(4):
# iterate over the rows
for j in range(4):
block[(i+(j*4))] = iput[(i*4)+j]
# expand the key into an 176, 208, 240 bytes key
# the expanded key
expandedKey = self.expandKey(key, size, expandedKeySize)
# encrypt the block using the expandedKey
block = self.aes_main(block, expandedKey, nbrRounds)
# unmap the block again into the output
for k in range(4):
# iterate over the rows
for l in range(4):
output[(k*4)+l] = block[(k+(l*4))]
return output
# decrypts a 128 bit input block against the given key of size specified
def decrypt(self, iput, key, size):
output = [0] * 16
# the number of rounds
nbrRounds = 0
# the 128 bit block to decode
block = [0] * 16
# set the number of rounds
if size == self.keySize["SIZE_128"]: nbrRounds = 10
elif size == self.keySize["SIZE_192"]: nbrRounds = 12
elif size == self.keySize["SIZE_256"]: nbrRounds = 14
else: return None
# the expanded keySize
expandedKeySize = 16*(nbrRounds+1)
# Set the block values, for the block:
# a0,0 a0,1 a0,2 a0,3
# a1,0 a1,1 a1,2 a1,3
# a2,0 a2,1 a2,2 a2,3
# a3,0 a3,1 a3,2 a3,3
# the mapping order is a0,0 a1,0 a2,0 a3,0 a0,1 a1,1 ... a2,3 a3,3
# iterate over the columns
for i in range(4):
# iterate over the rows
for j in range(4):
block[(i+(j*4))] = iput[(i*4)+j]
# expand the key into an 176, 208, 240 bytes key
expandedKey = self.expandKey(key, size, expandedKeySize)
# decrypt the block using the expandedKey
block = self.aes_invMain(block, expandedKey, nbrRounds)
# unmap the block again into the output
for k in range(4):
# iterate over the rows
for l in range(4):
output[(k*4)+l] = block[(k+(l*4))]
return output
class AESModeOfOperation(object):
aes = AES()
# structure of supported modes of operation
modeOfOperation = dict(OFB=0, CFB=1, CBC=2)
# converts a 16 character string into a number array
def convertString(self, string, start, end, mode):
if end - start > 16: end = start + 16
if mode == self.modeOfOperation["CBC"]: ar = [0] * 16
else: ar = []
i = start
j = 0
while len(ar) < end - start:
ar.append(0)
while i < end:
ar[j] = ord(string[i])
j += 1
i += 1
return ar
# Mode of Operation Encryption
# stringIn - Input String
# mode - mode of type modeOfOperation
# hexKey - a hex key of the bit length size
# size - the bit length of the key
# hexIV - the 128 bit hex Initilization Vector
def encrypt(self, stringIn, mode, key, size, IV):
if len(key) % size:
return None
if len(IV) % 16:
return None
# the AES input/output
plaintext = []
iput = [0] * 16
output = []
ciphertext = [0] * 16
# the output cipher string
cipherOut = []
# char firstRound
firstRound = True
if stringIn != None:
for j in range(int(math.ceil(float(len(stringIn))/16))):
start = j*16
end = j*16+16
if end > len(stringIn):
end = len(stringIn)
plaintext = self.convertString(stringIn, start, end, mode)
# print 'PT@%s:%s' % (j, plaintext)
if mode == self.modeOfOperation["CFB"]:
if firstRound:
output = self.aes.encrypt(IV, key, size)
firstRound = False
else:
output = self.aes.encrypt(iput, key, size)
for i in range(16):
if len(plaintext)-1 < i:
ciphertext[i] = 0 ^ output[i]
elif len(output)-1 < i:
ciphertext[i] = plaintext[i] ^ 0
elif len(plaintext)-1 < i and len(output) < i:
ciphertext[i] = 0 ^ 0
else:
ciphertext[i] = plaintext[i] ^ output[i]
for k in range(end-start):
cipherOut.append(ciphertext[k])
iput = ciphertext
elif mode == self.modeOfOperation["OFB"]:
if firstRound:
output = self.aes.encrypt(IV, key, size)
firstRound = False
else:
output = self.aes.encrypt(iput, key, size)
for i in range(16):
if len(plaintext)-1 < i:
ciphertext[i] = 0 ^ output[i]
elif len(output)-1 < i:
ciphertext[i] = plaintext[i] ^ 0
elif len(plaintext)-1 < i and len(output) < i:
ciphertext[i] = 0 ^ 0
else:
ciphertext[i] = plaintext[i] ^ output[i]
for k in range(end-start):
cipherOut.append(ciphertext[k])
iput = output
elif mode == self.modeOfOperation["CBC"]:
for i in range(16):
if firstRound:
iput[i] = plaintext[i] ^ IV[i]
else:
iput[i] = plaintext[i] ^ ciphertext[i]
# print 'IP@%s:%s' % (j, iput)
firstRound = False
ciphertext = self.aes.encrypt(iput, key, size)
# always 16 bytes because of the padding for CBC
for k in range(16):
cipherOut.append(ciphertext[k])
return mode, len(stringIn), cipherOut
# Mode of Operation Decryption
# cipherIn - Encrypted String
# originalsize - The unencrypted string length - required for CBC
# mode - mode of type modeOfOperation
# key - a number array of the bit length size
# size - the bit length of the key
# IV - the 128 bit number array Initilization Vector
def decrypt(self, cipherIn, originalsize, mode, key, size, IV):
# cipherIn = unescCtrlChars(cipherIn)
if len(key) % size:
return None
if len(IV) % 16:
return None
# the AES input/output
ciphertext = []
iput = []
output = []
plaintext = [0] * 16
# the output plain text string
stringOut = ''
# char firstRound
firstRound = True
if cipherIn != None:
for j in range(int(math.ceil(float(len(cipherIn))/16))):
start = j*16
end = j*16+16
if j*16+16 > len(cipherIn):
end = len(cipherIn)
ciphertext = cipherIn[start:end]
if mode == self.modeOfOperation["CFB"]:
if firstRound:
output = self.aes.encrypt(IV, key, size)
firstRound = False
else:
output = self.aes.encrypt(iput, key, size)
for i in range(16):
if len(output)-1 < i:
plaintext[i] = 0 ^ ciphertext[i]
elif len(ciphertext)-1 < i:
plaintext[i] = output[i] ^ 0
elif len(output)-1 < i and len(ciphertext) < i:
plaintext[i] = 0 ^ 0
else:
plaintext[i] = output[i] ^ ciphertext[i]
for k in range(end-start):
stringOut += chr(plaintext[k])
iput = ciphertext
elif mode == self.modeOfOperation["OFB"]:
if firstRound:
output = self.aes.encrypt(IV, key, size)
firstRound = False
else:
output = self.aes.encrypt(iput, key, size)
for i in range(16):
if len(output)-1 < i:
plaintext[i] = 0 ^ ciphertext[i]
elif len(ciphertext)-1 < i:
plaintext[i] = output[i] ^ 0
elif len(output)-1 < i and len(ciphertext) < i:
plaintext[i] = 0 ^ 0
else:
plaintext[i] = output[i] ^ ciphertext[i]
for k in range(end-start):
stringOut += chr(plaintext[k])
iput = output
elif mode == self.modeOfOperation["CBC"]:
output = self.aes.decrypt(ciphertext, key, size)
for i in range(16):
if firstRound:
plaintext[i] = IV[i] ^ output[i]
else:
plaintext[i] = iput[i] ^ output[i]
firstRound = False
if originalsize is not None and originalsize < end:
for k in range(originalsize-start):
stringOut += chr(plaintext[k])
else:
for k in range(end-start):
stringOut += chr(plaintext[k])
iput = ciphertext
return stringOut
######################
# end of aes.py code #
######################
###################################
# pywallet crypter implementation #
###################################
crypter = None
try:
from Crypto.Cipher import AES
crypter = 'pycrypto'
except:
pass
class Crypter_pycrypto( object ):
def SetKeyFromPassphrase(self, vKeyData, vSalt, nDerivIterations, nDerivationMethod):
if nDerivationMethod != 0:
return 0
data = vKeyData + vSalt
for i in xrange(nDerivIterations):
data = hashlib.sha512(data).digest()
self.SetKey(data[0:32])
self.SetIV(data[32:32+16])
return len(data)
def SetKey(self, key):
self.chKey = key
def SetIV(self, iv):
self.chIV = iv[0:16]
def Encrypt(self, data):
return AES.new(self.chKey,AES.MODE_CBC,self.chIV).encrypt(append_PKCS7_padding(data))
def Decrypt(self, data):
return AES.new(self.chKey,AES.MODE_CBC,self.chIV).decrypt(data)[0:32]
try:
if not crypter:
import ctypes
import ctypes.util
ssl = ctypes.cdll.LoadLibrary (ctypes.util.find_library ('ssl') or 'libeay32')
crypter = 'ssl'
except:
pass
class Crypter_ssl(object):
def __init__(self):
self.chKey = ctypes.create_string_buffer (32)
self.chIV = ctypes.create_string_buffer (16)
def SetKeyFromPassphrase(self, vKeyData, vSalt, nDerivIterations, nDerivationMethod):
if nDerivationMethod != 0:
return 0
strKeyData = ctypes.create_string_buffer (vKeyData)
chSalt = ctypes.create_string_buffer (vSalt)
return ssl.EVP_BytesToKey(ssl.EVP_aes_256_cbc(), ssl.EVP_sha512(), chSalt, strKeyData,
len(vKeyData), nDerivIterations, ctypes.byref(self.chKey), ctypes.byref(self.chIV))
def SetKey(self, key):
self.chKey = ctypes.create_string_buffer(key)
def SetIV(self, iv):
self.chIV = ctypes.create_string_buffer(iv)
def Encrypt(self, data):
buf = ctypes.create_string_buffer(len(data) + 16)
written = ctypes.c_int(0)
final = ctypes.c_int(0)
ctx = ssl.EVP_CIPHER_CTX_new()
ssl.EVP_CIPHER_CTX_init(ctx)
ssl.EVP_EncryptInit_ex(ctx, ssl.EVP_aes_256_cbc(), None, self.chKey, self.chIV)
ssl.EVP_EncryptUpdate(ctx, buf, ctypes.byref(written), data, len(data))
output = buf.raw[:written.value]
ssl.EVP_EncryptFinal_ex(ctx, buf, ctypes.byref(final))
output += buf.raw[:final.value]
return output
def Decrypt(self, data):
buf = ctypes.create_string_buffer(len(data) + 16)
written = ctypes.c_int(0)
final = ctypes.c_int(0)
ctx = ssl.EVP_CIPHER_CTX_new()
ssl.EVP_CIPHER_CTX_init(ctx)
ssl.EVP_DecryptInit_ex(ctx, ssl.EVP_aes_256_cbc(), None, self.chKey, self.chIV)
ssl.EVP_DecryptUpdate(ctx, buf, ctypes.byref(written), data, len(data))
output = buf.raw[:written.value]
ssl.EVP_DecryptFinal_ex(ctx, buf, ctypes.byref(final))
output += buf.raw[:final.value]
return output
class Crypter_pure(object):
def __init__(self):
self.m = AESModeOfOperation()
self.cbc = self.m.modeOfOperation["CBC"]
self.sz = self.m.aes.keySize["SIZE_256"]
def SetKeyFromPassphrase(self, vKeyData, vSalt, nDerivIterations, nDerivationMethod):
if nDerivationMethod != 0:
return 0
data = vKeyData + vSalt
for i in xrange(nDerivIterations):
data = hashlib.sha512(data).digest()
self.SetKey(data[0:32])
self.SetIV(data[32:32+16])
return len(data)
def SetKey(self, key):
self.chKey = [ord(i) for i in key]
def SetIV(self, iv):
self.chIV = [ord(i) for i in iv]
def Encrypt(self, data):
mode, size, cypher = self.m.encrypt(append_PKCS7_padding(data), self.cbc, self.chKey, self.sz, self.chIV)
return ''.join(map(chr, cypher))
def Decrypt(self, data):
chData = [ord(i) for i in data]
return self.m.decrypt(chData, self.sz, self.cbc, self.chKey, self.sz, self.chIV)
if crypter == 'pycrypto':
crypter = Crypter_pycrypto()
# print "Crypter: pycrypto"
elif crypter == 'ssl':
crypter = Crypter_ssl()
# print "Crypter: ssl"
else:
crypter = Crypter_pure()
# print "Crypter: pure"
logging.warning("pycrypto or libssl not found, decryption may be slow")
##########################################
# end of pywallet crypter implementation #
##########################################
# secp256k1
try:
_p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2FL
except:
print "Python 3 is not supported, you need Python 2.7.x"
exit(1)
_r = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141L
_b = 0x0000000000000000000000000000000000000000000000000000000000000007L
_a = 0x0000000000000000000000000000000000000000000000000000000000000000L
_Gx = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798L
_Gy = 0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8L
try:
import ecdsa
from ecdsa import der
curve_secp256k1 = ecdsa.ellipticcurve.CurveFp (_p, _a, _b)
generator_secp256k1 = g = ecdsa.ellipticcurve.Point (curve_secp256k1, _Gx, _Gy, _r)
randrange = random.SystemRandom().randrange
secp256k1 = ecdsa.curves.Curve ( "secp256k1", curve_secp256k1, generator_secp256k1, (1, 3, 132, 0, 10) )
ecdsa.curves.curves.append (secp256k1)
except:
missing_dep.append('ecdsa')
# python-ecdsa code (EC_KEY implementation)
class CurveFp( object ):
def __init__( self, p, a, b ):
self.__p = p
self.__a = a
self.__b = b
def p( self ):
return self.__p
def a( self ):
return self.__a
def b( self ):
return self.__b
def contains_point( self, x, y ):
return ( y * y - ( x * x * x + self.__a * x + self.__b ) ) % self.__p == 0
class Point( object ):
def __init__( self, curve, x, y, order = None ):
self.__curve = curve
self.__x = x
self.__y = y
self.__order = order
if self.__curve: assert self.__curve.contains_point( x, y )
if order: assert self * order == INFINITY
def __add__( self, other ):
if other == INFINITY: return self
if self == INFINITY: return other
assert self.__curve == other.__curve
if self.__x == other.__x:
if ( self.__y + other.__y ) % self.__curve.p() == 0:
return INFINITY
else:
return self.double()
p = self.__curve.p()
l = ( ( other.__y - self.__y ) * \
inverse_mod( other.__x - self.__x, p ) ) % p
x3 = ( l * l - self.__x - other.__x ) % p
y3 = ( l * ( self.__x - x3 ) - self.__y ) % p
return Point( self.__curve, x3, y3 )
def __mul__( self, other ):
def leftmost_bit( x ):
assert x > 0
result = 1L
while result <= x: result = 2 * result
return result / 2
e = other
if self.__order: e = e % self.__order
if e == 0: return INFINITY
if self == INFINITY: return INFINITY
assert e > 0
e3 = 3 * e
negative_self = Point( self.__curve, self.__x, -self.__y, self.__order )
i = leftmost_bit( e3 ) / 2
result = self
while i > 1:
result = result.double()
if ( e3 & i ) != 0 and ( e & i ) == 0: result = result + self
if ( e3 & i ) == 0 and ( e & i ) != 0: result = result + negative_self
i = i / 2
return result
def __rmul__( self, other ):
return self * other
def __str__( self ):
if self == INFINITY: return "infinity"
return "(%d,%d)" % ( self.__x, self.__y )
def double( self ):
if self == INFINITY:
return INFINITY
p = self.__curve.p()
a = self.__curve.a()
l = ( ( 3 * self.__x * self.__x + a ) * \
inverse_mod( 2 * self.__y, p ) ) % p
x3 = ( l * l - 2 * self.__x ) % p
y3 = ( l * ( self.__x - x3 ) - self.__y ) % p
return Point( self.__curve, x3, y3 )
def x( self ):
return self.__x
def y( self ):
return self.__y
def curve( self ):
return self.__curve
def order( self ):
return self.__order
INFINITY = Point( None, None, None )
def inverse_mod( a, m ):
if a < 0 or m <= a: a = a % m
c, d = a, m
uc, vc, ud, vd = 1, 0, 0, 1
while c != 0:
q, c, d = divmod( d, c ) + ( c, )
uc, vc, ud, vd = ud - q*uc, vd - q*vc, uc, vc
assert d == 1
if ud > 0: return ud
else: return ud + m
class Signature( object ):
def __init__( self, r, s ):
self.r = r
self.s = s
class Public_key( object ):
def __init__( self, generator, point, c=None ):
self.curve = generator.curve()
self.generator = generator
self.point = point
self.compressed = c
n = generator.order()
if not n:
raise RuntimeError, "Generator point must have order."
if not n * point == INFINITY: