cis-kuldeep/PyBitmessage-2021-04-27
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Merge pull request #734 from Atheros1/master

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acknowledgement EOL time: 2.5 days
This commit is contained in:
Jonathan Warren 2014-11-13 16:41:08 -05:00
commit b02a5d3109
1 changed files with 20 additions and 18 deletions
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38
src/class_singleWorker.py
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@ -96,8 +96,8 @@ class singleWorker(threading.Thread):
status, addressVersionNumber, streamNumber, hash = decodeAddress( status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress) myAddress)
TTL = 28 * 24 * 60 * 60 # 28 days TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + random.randrange(-300, 300) + TTL) # 28 days from now plus or minus five minutes embeddedTime = int(time.time() + TTL)
payload = pack('>Q', (embeddedTime)) payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey payload += '\x00\x00\x00\x01' # object type: pubkey
payload += encodeVarint(addressVersionNumber) # Address version number payload += encodeVarint(addressVersionNumber) # Address version number
@ -174,8 +174,8 @@ class singleWorker(threading.Thread):
status, addressVersionNumber, streamNumber, hash = decodeAddress( status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress) myAddress)
TTL = 28 * 24 * 60 * 60 # 28 days TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + random.randrange(-300, 300) + TTL) # 28 days from now plus or minus five minutes embeddedTime = int(time.time() + TTL)
signedTimeForProtocolV2 = embeddedTime - TTL signedTimeForProtocolV2 = embeddedTime - TTL
""" """
According to the protocol specification, the expiresTime along with the pubkey information is According to the protocol specification, the expiresTime along with the pubkey information is
@ -273,8 +273,8 @@ class singleWorker(threading.Thread):
status, addressVersionNumber, streamNumber, hash = decodeAddress( status, addressVersionNumber, streamNumber, hash = decodeAddress(
myAddress) myAddress)
TTL = 28 * 24 * 60 * 60 # 28 days TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + random.randrange(-300, 300) + TTL) # 28 days from now plus or minus five minutes embeddedTime = int(time.time() + TTL)
payload = pack('>Q', (embeddedTime)) payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x01' # object type: pubkey payload += '\x00\x00\x00\x01' # object type: pubkey
payload += encodeVarint(addressVersionNumber) # Address version number payload += encodeVarint(addressVersionNumber) # Address version number
@ -407,8 +407,8 @@ class singleWorker(threading.Thread):
pubEncryptionKey = highlevelcrypto.privToPub( pubEncryptionKey = highlevelcrypto.privToPub(
privEncryptionKeyHex).decode('hex') privEncryptionKeyHex).decode('hex')
TTL = 2.5 * 24 * 60 * 60 # 2.5 days TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + random.randrange(-300, 300) + TTL) embeddedTime = int(time.time() + TTL)
payload = pack('>Q', embeddedTime) payload = pack('>Q', embeddedTime)
payload += '\x00\x00\x00\x03' # object type: broadcast payload += '\x00\x00\x00\x03' # object type: broadcast
@ -460,9 +460,11 @@ class singleWorker(threading.Thread):
dataToEncrypt += encodeVarint(len(signature)) dataToEncrypt += encodeVarint(len(signature))
dataToEncrypt += signature dataToEncrypt += signature
# Encrypt the broadcast with the information contained in the broadcaster's address. Anyone who knows the address can generate # Encrypt the broadcast with the information contained in the broadcaster's address.
# the private encryption key to decrypt the broadcast. This provides virtually no privacy; its purpose is to keep questionable # Anyone who knows the address can generate the private encryption key to decrypt
# and illegal content from flowing through the Internet connections and being stored on the disk of 3rd parties. # the broadcast. This provides virtually no privacy; its purpose is to keep
# questionable and illegal content from flowing through the Internet connections
# and being stored on the disk of 3rd parties.
if addressVersionNumber <= 3: if addressVersionNumber <= 3:
privEncryptionKey = hashlib.sha512(encodeVarint( privEncryptionKey = hashlib.sha512(encodeVarint(
addressVersionNumber) + encodeVarint(streamNumber) + ripe).digest()[:32] addressVersionNumber) + encodeVarint(streamNumber) + ripe).digest()[:32]
@ -624,8 +626,8 @@ class singleWorker(threading.Thread):
continue #on with the next msg on which we can do some work continue #on with the next msg on which we can do some work
# At this point we know that we have the necessary pubkey in the pubkeys table. # At this point we know that we have the necessary pubkey in the pubkeys table.
TTL = 2.5 * 24 * 60 * 60 # 2.5 days TTL = int(28 * 24 * 60 * 60 + random.randrange(-300, 300))# 28 days from now plus or minus five minutes
embeddedTime = int(time.time() + random.randrange(-300, 300) + TTL) # 2.5 days from now plus or minus five minutes embeddedTime = int(time.time() + TTL)
if not shared.config.has_section(toaddress): # if we aren't sending this to ourselves or a chan if not shared.config.has_section(toaddress): # if we aren't sending this to ourselves or a chan
shared.ackdataForWhichImWatching[ackdata] = 0 shared.ackdataForWhichImWatching[ackdata] = 0
@ -967,8 +969,8 @@ class singleWorker(threading.Thread):
if tag not in shared.neededPubkeys: if tag not in shared.neededPubkeys:
shared.neededPubkeys[tag] = (toAddress, highlevelcrypto.makeCryptor(privEncryptionKey.encode('hex'))) # We'll need this for when we receive a pubkey reply: it will be encrypted and we'll need to decrypt it. shared.neededPubkeys[tag] = (toAddress, highlevelcrypto.makeCryptor(privEncryptionKey.encode('hex'))) # We'll need this for when we receive a pubkey reply: it will be encrypted and we'll need to decrypt it.
TTL = 2.5 * 24 * 60 * 60 # 2.5 days TTL = int(2.5 * 24 * 60 * 60 + random.randrange(-300, 300)) # 2.5 days from now plus or minus five minutes
embeddedTime = int(time.time() + random.randrange(-300, 300) + TTL) # 2.5 days from now plus or minus five minutes embeddedTime = int(time.time() + TTL)
payload = pack('>Q', embeddedTime) payload = pack('>Q', embeddedTime)
payload += '\x00\x00\x00\x00' # object type: getpubkey payload += '\x00\x00\x00\x00' # object type: getpubkey
payload += encodeVarint(addressVersionNumber) payload += encodeVarint(addressVersionNumber)
@ -988,7 +990,6 @@ class singleWorker(threading.Thread):
shared.UISignalQueue.put(('updateSentItemStatusByHash', ( shared.UISignalQueue.put(('updateSentItemStatusByHash', (
ripe, tr.translateText("MainWindow",'Doing work necessary to request encryption key.')))) ripe, tr.translateText("MainWindow",'Doing work necessary to request encryption key.'))))
TTL = 2.5 * 24 * 60 * 60 # 2.5 days
target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16)))) target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16))))
initialHash = hashlib.sha512(payload).digest() initialHash = hashlib.sha512(payload).digest()
trialValue, nonce = proofofwork.run(target, initialHash) trialValue, nonce = proofofwork.run(target, initialHash)
@ -1014,13 +1015,14 @@ class singleWorker(threading.Thread):
shared.UISignalQueue.put(('updateSentItemStatusByHash', (ripe, tr.translateText("MainWindow",'Sending public key request. Waiting for reply. Requested at %1').arg(l10n.formatTimestamp())))) shared.UISignalQueue.put(('updateSentItemStatusByHash', (ripe, tr.translateText("MainWindow",'Sending public key request. Waiting for reply. Requested at %1').arg(l10n.formatTimestamp()))))
def generateFullAckMessage(self, ackdata, toStreamNumber): def generateFullAckMessage(self, ackdata, toStreamNumber):
embeddedTime = int(time.time() + random.randrange(-300, 300)) # the current time plus or minus five minutes. TTL = int(2.5 * 24 * 60 * 60 + random.randrange(-300, 300)) # 2.5 days plus or minus 5 minutes
embeddedTime = int(time.time() + TTL)
payload = pack('>Q', (embeddedTime)) payload = pack('>Q', (embeddedTime))
payload += '\x00\x00\x00\x02' # object type: msg payload += '\x00\x00\x00\x02' # object type: msg
if int(time.time()) >= 1416175200: # Sun, 16 Nov 2014 22:00:00 GMT if int(time.time()) >= 1416175200: # Sun, 16 Nov 2014 22:00:00 GMT
payload += encodeVarint(1) # msg version payload += encodeVarint(1) # msg version
payload += encodeVarint(toStreamNumber) + ackdata payload += encodeVarint(toStreamNumber) + ackdata
TTL = 2.5 * 24 * 60 * 60 # 2.5 days
target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16)))) target = 2 ** 64 / (shared.networkDefaultProofOfWorkNonceTrialsPerByte*(len(payload) + 8 + shared.networkDefaultPayloadLengthExtraBytes + ((TTL*(len(payload)+8+shared.networkDefaultPayloadLengthExtraBytes))/(2 ** 16))))
with shared.printLock: with shared.printLock:
print '(For ack message) Doing proof of work...' print '(For ack message) Doing proof of work...'