src/class_objectProcessor.py

@@ -140,9 +140,10 @@ class objectProcessor(threading.Thread):
         # bypass nonce and time, retain object type/version/stream + body
         readPosition = 16
 
-        if data[readPosition:] in state.ackdataForWhichImWatching:
+        data_bytes = bytes(data[readPosition:])
+        if data_bytes in state.ackdataForWhichImWatching:
             logger.info('This object is an acknowledgement bound for me.')
-            del state.ackdataForWhichImWatching[data[readPosition:]]
+            del state.ackdataForWhichImWatching[data_bytes]
             sqlExecute(
                 "UPDATE sent SET status='ackreceived', lastactiontime=?"
                 " WHERE ackdata=?", int(time.time()), data[readPosition:])
@@ -215,9 +216,10 @@ class objectProcessor(threading.Thread):
             logger.info(
                 'the hash requested in this getpubkey request is: %s',
                 hexlify(requestedHash))
+            requestedHash_bytes = bytes(requestedHash)
             # if this address hash is one of mine
-            if requestedHash in shared.myAddressesByHash:
+            if requestedHash_bytes in shared.myAddressesByHash:
-                myAddress = shared.myAddressesByHash[requestedHash]
+                myAddress = shared.myAddressesByHash[requestedHash_bytes]
         elif requestedAddressVersionNumber >= 4:
             requestedTag = data[readPosition:readPosition + 32]
             if len(requestedTag) != 32:
@@ -227,8 +229,9 @@ class objectProcessor(threading.Thread):
             logger.debug(
                 'the tag requested in this getpubkey request is: %s',
                 hexlify(requestedTag))
-            if requestedTag in shared.myAddressesByTag:
+            requestedTag_bytes = bytes(requestedTag)
-                myAddress = shared.myAddressesByTag[requestedTag]
+            if requestedTag_bytes in shared.myAddressesByTag:
+                myAddress = shared.myAddressesByTag[requestedTag_bytes]
 
         if myAddress == '':
             logger.info('This getpubkey request is not for any of my keys.')
@@ -413,12 +416,13 @@ class objectProcessor(threading.Thread):
                     ' Sanity check failed.')
 
             tag = data[readPosition:readPosition + 32]
-            if tag not in state.neededPubkeys:
+            tag_bytes = bytes(tag)
+            if tag_bytes not in state.neededPubkeys:
                 return logger.info(
                     'We don\'t need this v4 pubkey. We didn\'t ask for it.')
 
             # Let us try to decrypt the pubkey
-            toAddress = state.neededPubkeys[tag][0]
+            toAddress = state.neededPubkeys[tag_bytes][0]
             if protocol.decryptAndCheckPubkeyPayload(data, toAddress) == \
                     'successful':
                 # At this point we know that we have been waiting on this
@@ -483,7 +487,7 @@ class objectProcessor(threading.Thread):
 
         # This is a message bound for me.
         # Look up my address based on the RIPE hash.
-        toAddress = shared.myAddressesByHash[toRipe]
+        toAddress = shared.myAddressesByHash[bytes(toRipe)]
         readPosition = 0
         sendersAddressVersionNumber, sendersAddressVersionNumberLength = \
             decodeVarint(decryptedData[readPosition:readPosition + 10])
@@ -558,7 +562,7 @@ class objectProcessor(threading.Thread):
         readPosition += signatureLengthLength
         signature = decryptedData[
             readPosition:readPosition + signatureLength]
-        signedData = data[8:20] + encodeVarint(1) + encodeVarint(
+        signedData = bytes(data[8:20]) + encodeVarint(1) + encodeVarint(
             streamNumberAsClaimedByMsg
         ) + decryptedData[:positionOfBottomOfAckData]
 
@@ -808,13 +812,14 @@ class objectProcessor(threading.Thread):
         elif broadcastVersion == 5:
             embeddedTag = data[readPosition:readPosition + 32]
             readPosition += 32
-            if embeddedTag not in shared.MyECSubscriptionCryptorObjects:
+            embeddedTag_bytes = bytes(embeddedTag)
+            if embeddedTag_bytes not in shared.MyECSubscriptionCryptorObjects:
                 logger.debug('We\'re not interested in this broadcast.')
                 return
             # We are interested in this broadcast because of its tag.
             # We're going to add some more data which is signed further down.
-            signedData = data[8:readPosition]
+            signedData = bytes(data[8:readPosition])
-            cryptorObject = shared.MyECSubscriptionCryptorObjects[embeddedTag]
+            cryptorObject = shared.MyECSubscriptionCryptorObjects[embeddedTag_bytes]
             try:
                 decryptedData = cryptorObject.decrypt(data[readPosition:])
                 logger.debug('EC decryption successful')
@@ -997,8 +1002,9 @@ class objectProcessor(threading.Thread):
                 encodeVarint(addressVersion) + encodeVarint(streamNumber)
                 + ripe
             )[32:]
-            if tag in state.neededPubkeys:
+            tag_bytes = bytes(tag)
-                del state.neededPubkeys[tag]
+            if tag_bytes in state.neededPubkeys:
+                del state.neededPubkeys[tag_bytes]
                 self.sendMessages(address)
 
     @staticmethod

src/class_singleWorker.py

@@ -88,7 +88,7 @@ class singleWorker(StoppableThread):
                 tag = doubleHashOfAddressData[32:]
                 # We'll need this for when we receive a pubkey reply:
                 # it will be encrypted and we'll need to decrypt it.
-                state.neededPubkeys[tag] = (
+                state.neededPubkeys[bytes(tag)] = (
                     toAddress,
                     highlevelcrypto.makeCryptor(
                         hexlify(privEncryptionKey))
@@ -100,14 +100,14 @@ class singleWorker(StoppableThread):
         for row in queryreturn:
             ackdata, = row
             self.logger.info('Watching for ackdata %s', hexlify(ackdata))
-            state.ackdataForWhichImWatching[ackdata] = 0
+            state.ackdataForWhichImWatching[bytes(ackdata)] = 0
 
         # Fix legacy (headerless) watched ackdata to include header
         for oldack in state.ackdataForWhichImWatching:
             if len(oldack) == 32:
                 # attach legacy header, always constant (msg/1/1)
                 newack = b'\x00\x00\x00\x02\x01\x01' + oldack
-                state.ackdataForWhichImWatching[newack] = 0
+                state.ackdataForWhichImWatching[bytes(newack)] = 0
                 sqlExecute(
                     '''UPDATE sent SET ackdata=? WHERE ackdata=? AND folder = 'sent' ''',
                     newack, oldack
@@ -795,8 +795,9 @@ class singleWorker(StoppableThread):
                             encodeVarint(toAddressVersionNumber)
                             + encodeVarint(toStreamNumber) + toRipe
                         )[32:]
+                    toTag_bytes = bytes(toTag)
                     if toaddress in state.neededPubkeys or \
-                            toTag in state.neededPubkeys:
+                            toTag_bytes in state.neededPubkeys:
                         # We already sent a request for the pubkey
                         sqlExecute(
                             '''UPDATE sent SET status='awaitingpubkey', '''
@@ -837,7 +838,8 @@ class singleWorker(StoppableThread):
                             privEncryptionKey = doubleHashOfToAddressData[:32]
                             # The second half of the sha512 hash.
                             tag = doubleHashOfToAddressData[32:]
-                            state.neededPubkeys[tag] = (
+                            tag_bytes = bytes(tag)
+                            state.neededPubkeys[tag_bytes] = (
                                 toaddress,
                                 highlevelcrypto.makeCryptor(
                                     hexlify(privEncryptionKey))
@@ -860,7 +862,7 @@ class singleWorker(StoppableThread):
                                         ''' status='doingpubkeypow') AND '''
                                         ''' folder='sent' ''',
                                         toaddress)
-                                    del state.neededPubkeys[tag]
+                                    del state.neededPubkeys[tag_bytes]
                                     break
                                 # else:
                                 # There was something wrong with this
@@ -902,7 +904,7 @@ class singleWorker(StoppableThread):
 
             # if we aren't sending this to ourselves or a chan
             if not config.has_section(toaddress):
-                state.ackdataForWhichImWatching[ackdata] = 0
+                state.ackdataForWhichImWatching[bytes(ackdata)] = 0
                 queues.UISignalQueue.put((
                     'updateSentItemStatusByAckdata', (
                         ackdata,
@@ -1412,10 +1414,11 @@ class singleWorker(StoppableThread):
             privEncryptionKey = doubleHashOfAddressData[:32]
             # Note that this is the second half of the sha512 hash.
             tag = doubleHashOfAddressData[32:]
-            if tag not in state.neededPubkeys:
+            tag_bytes = bytes(tag)
+            if tag_bytes not in state.neededPubkeys:
                 # We'll need this for when we receive a pubkey reply:
                 # it will be encrypted and we'll need to decrypt it.
-                state.neededPubkeys[tag] = (
+                state.neededPubkeys[tag_bytes] = (
                     toAddress,
                     highlevelcrypto.makeCryptor(hexlify(privEncryptionKey))
                 )

src/network/bmproto.py

@@ -415,7 +415,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
             BMProto.stopDownloadingObject(self.object.inventoryHash, True)
         else:
             try:
-                del missingObjects[self.object.inventoryHash]
+                del missingObjects[bytes(self.object.inventoryHash)]
             except KeyError:
                 pass
 
@@ -653,7 +653,7 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
                 except KeyError:
                     pass
         try:
-            del missingObjects[hashId]
+            del missingObjects[bytes(hashId)]
         except KeyError:
             pass
 

src/network/dandelion.py

@@ -53,7 +53,7 @@ class Dandelion:  # pylint: disable=old-style-class
         if not state.dandelion_enabled:
             return
         with self.lock:
-            self.hashMap[hashId] = Stem(
+            self.hashMap[bytes(hashId)] = Stem(
                 self.getNodeStem(source),
                 stream,
                 self.poissonTimeout())
@@ -64,9 +64,10 @@ class Dandelion:  # pylint: disable=old-style-class
         include streams, we only learn this after receiving the object)
         """
         with self.lock:
-            if hashId in self.hashMap:
+            hashId_bytes = bytes(hashId)
-                self.hashMap[hashId] = Stem(
+            if hashId_bytes in self.hashMap:
-                    self.hashMap[hashId].child,
+                self.hashMap[hashId_bytes] = Stem(
+                    self.hashMap[hashId_bytes].child,
                     stream,
                     self.poissonTimeout())
 
@@ -78,17 +79,17 @@ class Dandelion:  # pylint: disable=old-style-class
                 ''.join('%02x' % six.byte2int(i) for i in hashId), reason)
         with self.lock:
             try:
-                del self.hashMap[hashId]
+                del self.hashMap[bytes(hashId)]
             except KeyError:
                 pass
 
     def hasHash(self, hashId):
         """Is inventory vector in stem mode?"""
-        return hashId in self.hashMap
+        return bytes(hashId) in self.hashMap
 
     def objectChildStem(self, hashId):
         """Child (i.e. next) node for an inventory vector during stem mode"""
-        return self.hashMap[hashId].child
+        return self.hashMap[bytes(hashId)].child
 
     def maybeAddStem(self, connection):
         """

src/network/downloadthread.py

@@ -68,7 +68,7 @@ class DownloadThread(StoppableThread):
                         continue
                     payload.extend(chunk)
                     chunkCount += 1
-                    missingObjects[chunk] = now
+                    missingObjects[bytes(chunk)] = now
                 if not chunkCount:
                     continue
                 payload[0:0] = addresses.encodeVarint(chunkCount)

src/network/objectracker.py

@@ -82,25 +82,28 @@ class ObjectTracker(object):
 
     def hasObj(self, hashid):
         """Do we already have object?"""
+        hashid_bytes = bytes(hashid)
         if haveBloom:
-            return hashid in self.invBloom
+            return hashid_bytes in self.invBloom
-        return hashid in self.objectsNewToMe
+        return hashid_bytes in self.objectsNewToMe
 
     def handleReceivedInventory(self, hashId):
         """Handling received inventory"""
+        hashId_bytes = bytes(hashId)
         if haveBloom:
-            self.invBloom.add(hashId)
+            self.invBloom.add(hashId_bytes)
         try:
             with self.objectsNewToThemLock:
-                del self.objectsNewToThem[hashId]
+                del self.objectsNewToThem[hashId_bytes]
         except KeyError:
             pass
-        if hashId not in missingObjects:
+        if hashId_bytes not in missingObjects:
-            missingObjects[hashId] = time.time()
+            missingObjects[hashId_bytes] = time.time()
         self.objectsNewToMe[hashId] = True
 
     def handleReceivedObject(self, streamNumber, hashid):
         """Handling received object"""
+        hashid_bytes = bytes(hashid)
         for i in network.connectionpool.pool.connections():
             if not i.fullyEstablished:
                 continue
@@ -111,7 +114,7 @@ class ObjectTracker(object):
                         not state.Dandelion.hasHash(hashid)
                         or state.Dandelion.objectChildStem(hashid) == i):
                     with i.objectsNewToThemLock:
-                        i.objectsNewToThem[hashid] = time.time()
+                        i.objectsNewToThem[hashid_bytes] = time.time()
                     # update stream number,
                     # which we didn't have when we just received the dinv
                     # also resets expiration of the stem mode
@@ -120,7 +123,7 @@ class ObjectTracker(object):
             if i == self:
                 try:
                     with i.objectsNewToThemLock:
-                        del i.objectsNewToThem[hashid]
+                        del i.objectsNewToThem[hashid_bytes]
                 except KeyError:
                     pass
         self.objectsNewToMe.setLastObject()
@@ -134,4 +137,4 @@ class ObjectTracker(object):
     def addAddr(self, hashid):
         """WIP, should be moved to addrthread.py or removed"""
         if haveBloom:
-            self.addrBloom.add(hashid)
+            self.addrBloom.add(bytes(hashid))

src/protocol.py

@@ -294,7 +294,7 @@ def isProofOfWorkSufficient(
     if TTL < 300:
         TTL = 300
     POW, = unpack('>Q', highlevelcrypto.double_sha512(
-        data[:8] + hashlib.sha512(data[8:]).digest())[0:8])
+        bytes(data[:8]) + hashlib.sha512(data[8:]).digest())[0:8])
     return POW <= 2 ** 64 / (
         nonceTrialsPerByte * (
             len(data) + payloadLengthExtraBytes
@@ -466,7 +466,7 @@ def decryptAndCheckPubkeyPayload(data, address):
         readPosition += varintLength
         # We'll store the address version and stream number
         # (and some more) in the pubkeys table.
-        storedData = data[20:readPosition]
+        storedData = bytes(data[20:readPosition])
 
         if addressVersion != embeddedAddressVersion:
             logger.info(
@@ -483,11 +483,11 @@ def decryptAndCheckPubkeyPayload(data, address):
         readPosition += 32
         # the time through the tag. More data is appended onto
         # signedData below after the decryption.
-        signedData = data[8:readPosition]
+        signedData = bytes(data[8:readPosition])
         encryptedData = data[readPosition:]
 
         # Let us try to decrypt the pubkey
-        toAddress, cryptorObject = state.neededPubkeys[tag]
+        toAddress, cryptorObject = state.neededPubkeys[bytes(tag)]
         if toAddress != address:
             logger.critical(
                 'decryptAndCheckPubkeyPayload failed due to toAddress'

src/pyelliptic/cipher.py

@@ -30,7 +30,7 @@ class Cipher(object):
         self.ctx = OpenSSL.EVP_CIPHER_CTX_new()
         if do == 1 or do == 0:
             k = OpenSSL.malloc(key, len(key))
-            IV = OpenSSL.malloc(iv, len(iv))
+            IV = OpenSSL.malloc(bytes(iv), len(iv))
             OpenSSL.EVP_CipherInit_ex(
                 self.ctx, self.cipher.get_pointer(), 0, k, IV, do)
         else:
@@ -59,7 +59,7 @@ class Cipher(object):
         """Update result with more data"""
         i = OpenSSL.c_int(0)
         buffer = OpenSSL.malloc(b"", len(input) + self.cipher.get_blocksize())
-        inp = OpenSSL.malloc(input, len(input))
+        inp = OpenSSL.malloc(bytes(input), len(input))
         if OpenSSL.EVP_CipherUpdate(self.ctx, OpenSSL.byref(buffer),
                                     OpenSSL.byref(i), inp, len(input)) == 0:
             raise Exception("[OpenSSL] EVP_CipherUpdate FAIL ...")

src/pyelliptic/ecc.py

@@ -7,6 +7,7 @@ Asymmetric cryptography using elliptic curves
 
 from hashlib import sha512
 from struct import pack, unpack
+from ctypes import c_char_p
 
 from .cipher import Cipher
 from .hash import equals, hmac_sha256
@@ -218,8 +219,8 @@ class ECC(object):
             if other_key == 0:
                 raise Exception("[OpenSSL] EC_KEY_new_by_curve_name FAIL ...")
 
-            other_pub_key_x = OpenSSL.BN_bin2bn(pubkey_x, len(pubkey_x), None)
+            other_pub_key_x = OpenSSL.BN_bin2bn(c_char_p(bytes(pubkey_x)), len(pubkey_x), None)
-            other_pub_key_y = OpenSSL.BN_bin2bn(pubkey_y, len(pubkey_y), None)
+            other_pub_key_y = OpenSSL.BN_bin2bn(c_char_p(bytes(pubkey_y)), len(pubkey_y), None)
 
             other_group = OpenSSL.EC_KEY_get0_group(other_key)
             other_pub_key = OpenSSL.EC_POINT_new(other_group)

src/pyelliptic/hash.py

@@ -40,7 +40,7 @@ def hmac_sha256(k, m):
     Compute the key and the message with HMAC SHA5256
     """
     key = OpenSSL.malloc(k, len(k))
-    d = OpenSSL.malloc(m, len(m))
+    d = OpenSSL.malloc(bytes(m), len(m))
     md = OpenSSL.malloc(0, 32)
     i = OpenSSL.pointer(OpenSSL.c_int(0))
     OpenSSL.HMAC(OpenSSL.EVP_sha256(), key, len(k), d, len(m), md, i)

src/randomtrackingdict.py

@@ -38,10 +38,10 @@ class RandomTrackingDict(object):
         return self.len
 
     def __contains__(self, key):
-        return key in self.dictionary
+        return bytes(key) in self.dictionary
 
     def __getitem__(self, key):
-        return self.dictionary[key][1]
+        return self.dictionary[bytes(key)][1]
 
     def _swap(self, i1, i2):
         with self.lock:
@@ -49,26 +49,28 @@ class RandomTrackingDict(object):
             key2 = self.indexDict[i2]
             self.indexDict[i1] = key2
             self.indexDict[i2] = key1
-            self.dictionary[key1][0] = i2
+            self.dictionary[bytes(key1)][0] = i2
-            self.dictionary[key2][0] = i1
+            self.dictionary[bytes(key2)][0] = i1
         # for quick reassignment
         return i2
 
     def __setitem__(self, key, value):
         with self.lock:
-            if key in self.dictionary:
+            key_bytes = bytes(key)
-                self.dictionary[key][1] = value
+            if key_bytes in self.dictionary:
+                self.dictionary[key_bytes][1] = value
             else:
                 self.indexDict.append(key)
-                self.dictionary[key] = [self.len, value]
+                self.dictionary[key_bytes] = [self.len, value]
                 self._swap(self.len, self.len - self.pendingLen)
                 self.len += 1
 
     def __delitem__(self, key):
-        if key not in self.dictionary:
+        key_bytes = bytes(key)
+        if key_bytes not in self.dictionary:
             raise KeyError
         with self.lock:
-            index = self.dictionary[key][0]
+            index = self.dictionary[key_bytes][0]
             # not pending
             if index < self.len - self.pendingLen:
                 # left of pending part
@@ -82,7 +84,7 @@ class RandomTrackingDict(object):
             # operation can improve 4x, but it's already very fast so we'll
             # ignore it for the time being
             del self.indexDict[-1]
-            del self.dictionary[key]
+            del self.dictionary[key_bytes]
             self.len -= 1
 
     def setMaxPending(self, maxPending):

src/shared.py

@@ -115,11 +115,11 @@ def reloadMyAddressHashes():
         if len(privEncryptionKey) == 64:
             myECCryptorObjects[hashobj] = \
                 highlevelcrypto.makeCryptor(privEncryptionKey)
-            myAddressesByHash[hashobj] = addressInKeysFile
+            myAddressesByHash[bytes(hashobj)] = addressInKeysFile
             tag = highlevelcrypto.double_sha512(
                 encodeVarint(addressVersionNumber)
                 + encodeVarint(streamNumber) + hashobj)[32:]
-            myAddressesByTag[tag] = addressInKeysFile
+            myAddressesByTag[bytes(tag)] = addressInKeysFile
 
     if not keyfileSecure:
         fixSensitiveFilePermissions(os.path.join(
@@ -150,7 +150,7 @@ def reloadBroadcastSendersForWhichImWatching():
                 encodeVarint(addressVersionNumber)
                 + encodeVarint(streamNumber) + hashobj
             ).digest()[:32]
-            MyECSubscriptionCryptorObjects[hashobj] = \
+            MyECSubscriptionCryptorObjects[bytes(hashobj)] = \
                 highlevelcrypto.makeCryptor(hexlify(privEncryptionKey))
         else:
             doubleHashOfAddressData = highlevelcrypto.double_sha512(
@@ -159,7 +159,7 @@ def reloadBroadcastSendersForWhichImWatching():
             )
             tag = doubleHashOfAddressData[32:]
             privEncryptionKey = doubleHashOfAddressData[:32]
-            MyECSubscriptionCryptorObjects[tag] = \
+            MyECSubscriptionCryptorObjects[bytes(tag)] = \
                 highlevelcrypto.makeCryptor(hexlify(privEncryptionKey))
 
 

src/storage/sqlite.py

@@ -29,20 +29,22 @@ class SqliteInventory(InventoryStorage):
 
     def __contains__(self, hash_):
         with self.lock:
-            if hash_ in self._objects:
+            hash_bytes = bytes(hash_)
+            if hash_bytes in self._objects:
                 return True
             rows = sqlQuery(
                 'SELECT streamnumber FROM inventory WHERE hash=?',
                 sqlite3.Binary(hash_))
             if not rows:
                 return False
-            self._objects[hash_] = rows[0][0]
+            self._objects[hash_bytes] = rows[0][0]
             return True
 
     def __getitem__(self, hash_):
         with self.lock:
-            if hash_ in self._inventory:
+            hash_bytes = bytes(hash_)
-                return self._inventory[hash_]
+            if hash_bytes in self._inventory:
+                return self._inventory[hash_bytes]
             rows = sqlQuery(
                 'SELECT objecttype, streamnumber, payload, expirestime, tag'
                 ' FROM inventory WHERE hash=?', sqlite3.Binary(hash_))
@@ -53,15 +55,16 @@ class SqliteInventory(InventoryStorage):
     def __setitem__(self, hash_, value):
         with self.lock:
             value = InventoryItem(*value)
-            self._inventory[hash_] = value
+            hash_bytes = bytes(hash_)
-            self._objects[hash_] = value.stream
+            self._inventory[hash_bytes] = value
+            self._objects[hash_bytes] = value.stream
 
     def __delitem__(self, hash_):
         raise NotImplementedError
 
     def __iter__(self):
         with self.lock:
-            hashes = self._inventory.keys()[:]
+            hashes = [] + self._inventory.keys()[:]
             hashes += (x for x, in sqlQuery('SELECT hash FROM inventory'))
             return hashes.__iter__()
 

src/tests/test_randomtrackingdict.py

@@ -3,7 +3,6 @@ Tests for RandomTrackingDict Class
 """
 import random
 import unittest
-import six
 
 from time import time
 
@@ -16,10 +15,10 @@ class TestRandomTrackingDict(unittest.TestCase):
     @staticmethod
     def randString():
         """helper function for tests, generates a random string"""
-        retval = ''
+        retval = bytearray(32)
-        for _ in range(32):
+        for i in range(32):
-            retval += six.int2byte(random.randint(0, 255))
+            retval[i] = random.randint(0, 255)
-        return retval
+        return bytes(retval)
 
     def test_check_randomtrackingdict(self):
         """Check the logic of RandomTrackingDict class"""