300 lines
17 KiB
Python
300 lines
17 KiB
Python
import shared
|
|
import threading
|
|
import time
|
|
import sys
|
|
from pyelliptic.openssl import OpenSSL
|
|
import ctypes
|
|
import hashlib
|
|
import highlevelcrypto
|
|
from addresses import *
|
|
from pyelliptic import arithmetic
|
|
import tr
|
|
|
|
class addressGenerator(threading.Thread):
|
|
|
|
def __init__(self):
|
|
# QThread.__init__(self, parent)
|
|
threading.Thread.__init__(self)
|
|
|
|
def run(self):
|
|
while True:
|
|
queueValue = shared.addressGeneratorQueue.get()
|
|
nonceTrialsPerByte = 0
|
|
payloadLengthExtraBytes = 0
|
|
if queueValue[0] == 'createChan':
|
|
command, addressVersionNumber, streamNumber, label, deterministicPassphrase = queueValue
|
|
eighteenByteRipe = False
|
|
numberOfAddressesToMake = 1
|
|
elif queueValue[0] == 'joinChan':
|
|
command, chanAddress, label, deterministicPassphrase = queueValue
|
|
eighteenByteRipe = False
|
|
addressVersionNumber = decodeAddress(chanAddress)[1]
|
|
streamNumber = decodeAddress(chanAddress)[2]
|
|
numberOfAddressesToMake = 1
|
|
elif len(queueValue) == 7:
|
|
command, addressVersionNumber, streamNumber, label, numberOfAddressesToMake, deterministicPassphrase, eighteenByteRipe = queueValue
|
|
elif len(queueValue) == 9:
|
|
command, addressVersionNumber, streamNumber, label, numberOfAddressesToMake, deterministicPassphrase, eighteenByteRipe, nonceTrialsPerByte, payloadLengthExtraBytes = queueValue
|
|
else:
|
|
sys.stderr.write(
|
|
'Programming error: A structure with the wrong number of values was passed into the addressGeneratorQueue. Here is the queueValue: %s\n' % repr(queueValue))
|
|
if addressVersionNumber < 3 or addressVersionNumber > 4:
|
|
sys.stderr.write(
|
|
'Program error: For some reason the address generator queue has been given a request to create at least one version %s address which it cannot do.\n' % addressVersionNumber)
|
|
if nonceTrialsPerByte == 0:
|
|
nonceTrialsPerByte = shared.config.getint(
|
|
'bitmessagesettings', 'defaultnoncetrialsperbyte')
|
|
if nonceTrialsPerByte < shared.networkDefaultProofOfWorkNonceTrialsPerByte:
|
|
nonceTrialsPerByte = shared.networkDefaultProofOfWorkNonceTrialsPerByte
|
|
if payloadLengthExtraBytes == 0:
|
|
payloadLengthExtraBytes = shared.config.getint(
|
|
'bitmessagesettings', 'defaultpayloadlengthextrabytes')
|
|
if payloadLengthExtraBytes < shared.networkDefaultPayloadLengthExtraBytes:
|
|
payloadLengthExtraBytes = shared.networkDefaultPayloadLengthExtraBytes
|
|
if command == 'createRandomAddress':
|
|
shared.UISignalQueue.put((
|
|
'updateStatusBar', tr.translateText("MainWindow", "Generating one new address")))
|
|
# This next section is a little bit strange. We're going to generate keys over and over until we
|
|
# find one that starts with either \x00 or \x00\x00. Then when we pack them into a Bitmessage address,
|
|
# we won't store the \x00 or \x00\x00 bytes thus making the
|
|
# address shorter.
|
|
startTime = time.time()
|
|
numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix = 0
|
|
potentialPrivSigningKey = OpenSSL.rand(32)
|
|
potentialPubSigningKey = pointMult(potentialPrivSigningKey)
|
|
while True:
|
|
numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix += 1
|
|
potentialPrivEncryptionKey = OpenSSL.rand(32)
|
|
potentialPubEncryptionKey = pointMult(
|
|
potentialPrivEncryptionKey)
|
|
# print 'potentialPubSigningKey', potentialPubSigningKey.encode('hex')
|
|
# print 'potentialPubEncryptionKey',
|
|
# potentialPubEncryptionKey.encode('hex')
|
|
ripe = hashlib.new('ripemd160')
|
|
sha = hashlib.new('sha512')
|
|
sha.update(
|
|
potentialPubSigningKey + potentialPubEncryptionKey)
|
|
ripe.update(sha.digest())
|
|
# print 'potential ripe.digest',
|
|
# ripe.digest().encode('hex')
|
|
if eighteenByteRipe:
|
|
if ripe.digest()[:2] == '\x00\x00':
|
|
break
|
|
else:
|
|
if ripe.digest()[:1] == '\x00':
|
|
break
|
|
print 'Generated address with ripe digest:', ripe.digest().encode('hex')
|
|
print 'Address generator calculated', numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix, 'addresses at', numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix / (time.time() - startTime), 'addresses per second before finding one with the correct ripe-prefix.'
|
|
address = encodeAddress(addressVersionNumber, streamNumber, ripe.digest())
|
|
|
|
# An excellent way for us to store our keys is in Wallet Import Format. Let us convert now.
|
|
# https://en.bitcoin.it/wiki/Wallet_import_format
|
|
privSigningKey = '\x80' + potentialPrivSigningKey
|
|
checksum = hashlib.sha256(hashlib.sha256(
|
|
privSigningKey).digest()).digest()[0:4]
|
|
privSigningKeyWIF = arithmetic.changebase(
|
|
privSigningKey + checksum, 256, 58)
|
|
# print 'privSigningKeyWIF',privSigningKeyWIF
|
|
|
|
privEncryptionKey = '\x80' + potentialPrivEncryptionKey
|
|
checksum = hashlib.sha256(hashlib.sha256(
|
|
privEncryptionKey).digest()).digest()[0:4]
|
|
privEncryptionKeyWIF = arithmetic.changebase(
|
|
privEncryptionKey + checksum, 256, 58)
|
|
# print 'privEncryptionKeyWIF',privEncryptionKeyWIF
|
|
|
|
shared.config.add_section(address)
|
|
shared.config.set(address, 'label', label)
|
|
shared.config.set(address, 'enabled', 'true')
|
|
shared.config.set(address, 'decoy', 'false')
|
|
shared.config.set(address, 'noncetrialsperbyte', str(
|
|
nonceTrialsPerByte))
|
|
shared.config.set(address, 'payloadlengthextrabytes', str(
|
|
payloadLengthExtraBytes))
|
|
shared.config.set(
|
|
address, 'privSigningKey', privSigningKeyWIF)
|
|
shared.config.set(
|
|
address, 'privEncryptionKey', privEncryptionKeyWIF)
|
|
with open(shared.appdata + 'keys.dat', 'wb') as configfile:
|
|
shared.config.write(configfile)
|
|
|
|
# The API and the join and create Chan functionality
|
|
# both need information back from the address generator.
|
|
shared.apiAddressGeneratorReturnQueue.put(address)
|
|
|
|
shared.UISignalQueue.put((
|
|
'updateStatusBar', tr.translateText("MainWindow", "Done generating address. Doing work necessary to broadcast it...")))
|
|
shared.UISignalQueue.put(('writeNewAddressToTable', (
|
|
label, address, streamNumber)))
|
|
shared.reloadMyAddressHashes()
|
|
if addressVersionNumber == 3:
|
|
shared.workerQueue.put((
|
|
'sendOutOrStoreMyV3Pubkey', ripe.digest()))
|
|
elif addressVersionNumber == 4:
|
|
shared.workerQueue.put((
|
|
'sendOutOrStoreMyV4Pubkey', address))
|
|
|
|
elif command == 'createDeterministicAddresses' or command == 'getDeterministicAddress' or command == 'createChan' or command == 'joinChan':
|
|
if len(deterministicPassphrase) == 0:
|
|
sys.stderr.write(
|
|
'WARNING: You are creating deterministic address(es) using a blank passphrase. Bitmessage will do it but it is rather stupid.')
|
|
if command == 'createDeterministicAddresses':
|
|
statusbar = 'Generating ' + str(
|
|
numberOfAddressesToMake) + ' new addresses.'
|
|
shared.UISignalQueue.put((
|
|
'updateStatusBar', statusbar))
|
|
signingKeyNonce = 0
|
|
encryptionKeyNonce = 1
|
|
listOfNewAddressesToSendOutThroughTheAPI = [
|
|
] # We fill out this list no matter what although we only need it if we end up passing the info to the API.
|
|
|
|
for i in range(numberOfAddressesToMake):
|
|
# This next section is a little bit strange. We're going to generate keys over and over until we
|
|
# find one that has a RIPEMD hash that starts with either \x00 or \x00\x00. Then when we pack them
|
|
# into a Bitmessage address, we won't store the \x00 or
|
|
# \x00\x00 bytes thus making the address shorter.
|
|
startTime = time.time()
|
|
numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix = 0
|
|
while True:
|
|
numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix += 1
|
|
potentialPrivSigningKey = hashlib.sha512(
|
|
deterministicPassphrase + encodeVarint(signingKeyNonce)).digest()[:32]
|
|
potentialPrivEncryptionKey = hashlib.sha512(
|
|
deterministicPassphrase + encodeVarint(encryptionKeyNonce)).digest()[:32]
|
|
potentialPubSigningKey = pointMult(
|
|
potentialPrivSigningKey)
|
|
potentialPubEncryptionKey = pointMult(
|
|
potentialPrivEncryptionKey)
|
|
# print 'potentialPubSigningKey', potentialPubSigningKey.encode('hex')
|
|
# print 'potentialPubEncryptionKey',
|
|
# potentialPubEncryptionKey.encode('hex')
|
|
signingKeyNonce += 2
|
|
encryptionKeyNonce += 2
|
|
ripe = hashlib.new('ripemd160')
|
|
sha = hashlib.new('sha512')
|
|
sha.update(
|
|
potentialPubSigningKey + potentialPubEncryptionKey)
|
|
ripe.update(sha.digest())
|
|
# print 'potential ripe.digest',
|
|
# ripe.digest().encode('hex')
|
|
if eighteenByteRipe:
|
|
if ripe.digest()[:2] == '\x00\x00':
|
|
break
|
|
else:
|
|
if ripe.digest()[:1] == '\x00':
|
|
break
|
|
|
|
print 'ripe.digest', ripe.digest().encode('hex')
|
|
print 'Address generator calculated', numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix, 'addresses at', numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix / (time.time() - startTime), 'keys per second.'
|
|
address = encodeAddress(addressVersionNumber, streamNumber, ripe.digest())
|
|
|
|
saveAddressToDisk = True
|
|
# If we are joining an existing chan, let us check to make sure it matches the provided Bitmessage address
|
|
if command == 'joinChan':
|
|
if address != chanAddress:
|
|
shared.apiAddressGeneratorReturnQueue.put('chan name does not match address')
|
|
saveAddressToDisk = False
|
|
if command == 'getDeterministicAddress':
|
|
saveAddressToDisk = False
|
|
|
|
if saveAddressToDisk:
|
|
# An excellent way for us to store our keys is in Wallet Import Format. Let us convert now.
|
|
# https://en.bitcoin.it/wiki/Wallet_import_format
|
|
privSigningKey = '\x80' + potentialPrivSigningKey
|
|
checksum = hashlib.sha256(hashlib.sha256(
|
|
privSigningKey).digest()).digest()[0:4]
|
|
privSigningKeyWIF = arithmetic.changebase(
|
|
privSigningKey + checksum, 256, 58)
|
|
|
|
privEncryptionKey = '\x80' + \
|
|
potentialPrivEncryptionKey
|
|
checksum = hashlib.sha256(hashlib.sha256(
|
|
privEncryptionKey).digest()).digest()[0:4]
|
|
privEncryptionKeyWIF = arithmetic.changebase(
|
|
privEncryptionKey + checksum, 256, 58)
|
|
|
|
addressAlreadyExists = False
|
|
try:
|
|
shared.config.add_section(address)
|
|
except:
|
|
print address, 'already exists. Not adding it again.'
|
|
addressAlreadyExists = True
|
|
if not addressAlreadyExists:
|
|
print 'label:', label
|
|
shared.config.set(address, 'label', label)
|
|
shared.config.set(address, 'enabled', 'true')
|
|
shared.config.set(address, 'decoy', 'false')
|
|
if command == 'joinChan' or command == 'createChan':
|
|
shared.config.set(address, 'chan', 'true')
|
|
shared.config.set(address, 'noncetrialsperbyte', str(
|
|
nonceTrialsPerByte))
|
|
shared.config.set(address, 'payloadlengthextrabytes', str(
|
|
payloadLengthExtraBytes))
|
|
shared.config.set(
|
|
address, 'privSigningKey', privSigningKeyWIF)
|
|
shared.config.set(
|
|
address, 'privEncryptionKey', privEncryptionKeyWIF)
|
|
with open(shared.appdata + 'keys.dat', 'wb') as configfile:
|
|
shared.config.write(configfile)
|
|
|
|
shared.UISignalQueue.put(('writeNewAddressToTable', (
|
|
label, address, str(streamNumber))))
|
|
listOfNewAddressesToSendOutThroughTheAPI.append(
|
|
address)
|
|
shared.myECCryptorObjects[ripe.digest()] = highlevelcrypto.makeCryptor(
|
|
potentialPrivEncryptionKey.encode('hex'))
|
|
shared.myAddressesByHash[
|
|
ripe.digest()] = address
|
|
if addressVersionNumber == 3:
|
|
shared.workerQueue.put((
|
|
'sendOutOrStoreMyV3Pubkey', ripe.digest())) # If this is a chan address,
|
|
# the worker thread won't send out the pubkey over the network.
|
|
elif addressVersionNumber == 4:
|
|
shared.workerQueue.put((
|
|
'sendOutOrStoreMyV4Pubkey', address))
|
|
|
|
|
|
# Done generating addresses.
|
|
if command == 'createDeterministicAddresses' or command == 'joinChan' or command == 'createChan':
|
|
shared.apiAddressGeneratorReturnQueue.put(
|
|
listOfNewAddressesToSendOutThroughTheAPI)
|
|
shared.UISignalQueue.put((
|
|
'updateStatusBar', tr.translateText("MainWindow", "Done generating address")))
|
|
# shared.reloadMyAddressHashes()
|
|
elif command == 'getDeterministicAddress':
|
|
shared.apiAddressGeneratorReturnQueue.put(address)
|
|
#todo: return things to the API if createChan or joinChan assuming saveAddressToDisk
|
|
else:
|
|
raise Exception(
|
|
"Error in the addressGenerator thread. Thread was given a command it could not understand: " + command)
|
|
|
|
|
|
# Does an EC point multiplication; turns a private key into a public key.
|
|
def pointMult(secret):
|
|
# ctx = OpenSSL.BN_CTX_new() #This value proved to cause Seg Faults on
|
|
# Linux. It turns out that it really didn't speed up EC_POINT_mul anyway.
|
|
k = OpenSSL.EC_KEY_new_by_curve_name(OpenSSL.get_curve('secp256k1'))
|
|
priv_key = OpenSSL.BN_bin2bn(secret, 32, 0)
|
|
group = OpenSSL.EC_KEY_get0_group(k)
|
|
pub_key = OpenSSL.EC_POINT_new(group)
|
|
|
|
OpenSSL.EC_POINT_mul(group, pub_key, priv_key, None, None, None)
|
|
OpenSSL.EC_KEY_set_private_key(k, priv_key)
|
|
OpenSSL.EC_KEY_set_public_key(k, pub_key)
|
|
# print 'priv_key',priv_key
|
|
# print 'pub_key',pub_key
|
|
|
|
size = OpenSSL.i2o_ECPublicKey(k, 0)
|
|
mb = ctypes.create_string_buffer(size)
|
|
OpenSSL.i2o_ECPublicKey(k, ctypes.byref(ctypes.pointer(mb)))
|
|
# print 'mb.raw', mb.raw.encode('hex'), 'length:', len(mb.raw)
|
|
# print 'mb.raw', mb.raw, 'length:', len(mb.raw)
|
|
|
|
OpenSSL.EC_POINT_free(pub_key)
|
|
# OpenSSL.BN_CTX_free(ctx)
|
|
OpenSSL.BN_free(priv_key)
|
|
OpenSSL.EC_KEY_free(k)
|
|
return mb.raw
|
|
|
|
|