cis-kuldeep/PyBitmessage-2021-04-27
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added new variable: doTimingAttackMitigation

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Jonathan Warren 2013-06-24 17:29:04 -04:00
parent acb8b51e00
commit 3204c6b833
1 changed files with 6 additions and 4 deletions
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10
src/class_receiveDataThread.py
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@ -1,3 +1,5 @@
doTimingAttackMitigation = False
import time import time
import threading import threading
import shared import shared
@ -413,7 +415,7 @@ class receiveDataThread(threading.Thread):
sleepTime = lengthOfTimeWeShouldUseToProcessThisMessage - \ sleepTime = lengthOfTimeWeShouldUseToProcessThisMessage - \
(time.time() - self.messageProcessingStartTime) (time.time() - self.messageProcessingStartTime)
if sleepTime > 0: if sleepTime > 0 and doTimingAttackMitigation:
shared.printLock.acquire() shared.printLock.acquire()
print 'Timing attack mitigation: Sleeping for', sleepTime, 'seconds.' print 'Timing attack mitigation: Sleeping for', sleepTime, 'seconds.'
shared.printLock.release() shared.printLock.release()
@ -792,7 +794,7 @@ class receiveDataThread(threading.Thread):
sleepTime = lengthOfTimeWeShouldUseToProcessThisMessage - \ sleepTime = lengthOfTimeWeShouldUseToProcessThisMessage - \
(time.time() - self.messageProcessingStartTime) (time.time() - self.messageProcessingStartTime)
if sleepTime > 0: if sleepTime > 0 and doTimingAttackMitigation:
shared.printLock.acquire() shared.printLock.acquire()
print 'Timing attack mitigation: Sleeping for', sleepTime, 'seconds.' print 'Timing attack mitigation: Sleeping for', sleepTime, 'seconds.'
shared.printLock.release() shared.printLock.release()
@ -1190,7 +1192,7 @@ class receiveDataThread(threading.Thread):
lengthOfTimeWeShouldUseToProcessThisMessage = .2 lengthOfTimeWeShouldUseToProcessThisMessage = .2
sleepTime = lengthOfTimeWeShouldUseToProcessThisMessage - \ sleepTime = lengthOfTimeWeShouldUseToProcessThisMessage - \
(time.time() - self.pubkeyProcessingStartTime) (time.time() - self.pubkeyProcessingStartTime)
if sleepTime > 0: if sleepTime > 0 and doTimingAttackMitigation:
shared.printLock.acquire() shared.printLock.acquire()
print 'Timing attack mitigation: Sleeping for', sleepTime, 'seconds.' print 'Timing attack mitigation: Sleeping for', sleepTime, 'seconds.'
shared.printLock.release() shared.printLock.release()
@ -1428,7 +1430,7 @@ class receiveDataThread(threading.Thread):
shared.myAddressesByHash[requestedHash], 'lastpubkeysendtime')) shared.myAddressesByHash[requestedHash], 'lastpubkeysendtime'))
except: except:
lastPubkeySendTime = 0 lastPubkeySendTime = 0
if lastPubkeySendTime < time.time() - shared.lengthOfTimeToHoldOnToAllPubkeys: # If the last time we sent our pubkey was 28 days ago if lastPubkeySendTime < time.time() - shared.lengthOfTimeToHoldOnToAllPubkeys: # If the last time we sent our pubkey was at least 28 days ago...
shared.printLock.acquire() shared.printLock.acquire()
print 'Found getpubkey-requested-hash in my list of EC hashes. Telling Worker thread to do the POW for a pubkey message and send it out.' print 'Found getpubkey-requested-hash in my list of EC hashes. Telling Worker thread to do the POW for a pubkey message and send it out.'
shared.printLock.release() shared.printLock.release()