def processKeyExchangeMessage(self, message):
# When sending a message to someone we may end up in this function
ourBaseKey = ratcheting_session.Curve().generateKeyPair(True)
ourEphemeralKey = ratcheting_session.Curve().generateKeyPair(True)
theirBaseKey = message.publicKey
theirEphemeralKey = theirBaseKey
theirIdentityKey = message.identityKey
ourIdentityKey = IdentityKeyUtil().getIdentityKeyPair()
#if self.sessionRecord.sessionState.needsRefresh: self.sessionRecord.sessionState.archiveCurrentState()
#else: self.sessionRecord.sessionState.clear()
ratcheting_session.initializeSession(self.sessionRecord.sessionState,
ourBaseKey, theirBaseKey,
ourEphemeralKey,
theirEphemeralKey, ourIdentityKey,
theirIdentityKey)
self.sessionRecord.sessionState.setPendingPreKey(
message.keyId, ourBaseKey.publicKey)
self.sessionRecord.sessionState.setLocalRegistrationId(123)
self.sessionRecord.sessionState.setRemoteRegistrationId(
message.registrationId)
self.sessionRecord.save()
def processPreKeyExchangeMessage(self, message):
# When receiving a message from someone we end up here
preKeyId = message.preKeyId
theirBaseKey = message.baseKey
theirEphemeralKey = message.message.senderEphemeral
theirIdentityKey = message.identityKey
print("KeyExchangeProcessor: Received pre-key with local key ID: " +
str(preKeyId))
#if not PreKeyRecord().hasRecord(preKeyId) and SessionRecord().hasSession(self.recipientDevice):
# raise "We've already processed the prekey part, letting bundled message fall through..."
#if not PreKeyRecord().hasRecord(preKeyId):
# print("No such prekey:" + str(preKeyId))
# raise "ERROR"
preKeyRecord = PreKeyRecord(preKeyId)
ourBaseKey = preKeyRecord.keyPair
ourEphemeralKey = ourBaseKey
ourIdentityKey = IdentityKeyUtil().getIdentityKeyPair()
#simultaneousInitiate = self.sessionRecord.getSessionState().hasPendingPreKey()
#if not simultaneousInitiate:
# self.sessionRecord.clear()
#else:
# self.sessionRecord.archiveCurrentState()
ratcheting_session.initializeSession(self.sessionRecord.sessionState,
ourBaseKey, theirBaseKey,
ourEphemeralKey,
theirEphemeralKey, ourIdentityKey,
theirIdentityKey)
self.sessionRecord.sessionState.setLocalRegistrationId(123)
self.sessionRecord.sessionState.setRemoteRegistrationId(
message.registrationId)
#if simultaneousInitiate:
# self.sessionRecord.getSessionState().setNeedsRefresh(True)
self.sessionRecord.save()
def processPreKeyExchangeMessage(self, message):
# When receiving a message from someone we end up here
preKeyId = message.preKeyId
theirBaseKey = message.baseKey
theirEphemeralKey = message.message.senderEphemeral
theirIdentityKey = message.identityKey
print("KeyExchangeProcessor: Received pre-key with local key ID: " + str(preKeyId))
#if not PreKeyRecord().hasRecord(preKeyId) and SessionRecord().hasSession(self.recipientDevice):
# raise "We've already processed the prekey part, letting bundled message fall through..."
#if not PreKeyRecord().hasRecord(preKeyId):
# print("No such prekey:" + str(preKeyId))
# raise "ERROR"
preKeyRecord = PreKeyRecord(preKeyId)
ourBaseKey = preKeyRecord.keyPair
ourEphemeralKey = ourBaseKey
ourIdentityKey = IdentityKeyUtil().getIdentityKeyPair()
#simultaneousInitiate = self.sessionRecord.getSessionState().hasPendingPreKey()
#if not simultaneousInitiate:
# self.sessionRecord.clear()
#else:
# self.sessionRecord.archiveCurrentState()
ratcheting_session.initializeSession(self.sessionRecord.sessionState,
ourBaseKey, theirBaseKey,
ourEphemeralKey, theirEphemeralKey,
ourIdentityKey, theirIdentityKey)
self.sessionRecord.sessionState.setLocalRegistrationId(123)
self.sessionRecord.sessionState.setRemoteRegistrationId(message.registrationId)
#if simultaneousInitiate:
# self.sessionRecord.getSessionState().setNeedsRefresh(True)
self.sessionRecord.save()
def processKeyExchangeMessage(self, message):
# When sending a message to someone we may end up in this function
ourBaseKey = ratcheting_session.Curve().generateKeyPair(True)
ourEphemeralKey = ratcheting_session.Curve().generateKeyPair(True)
theirBaseKey = message.publicKey
theirEphemeralKey = theirBaseKey
theirIdentityKey = message.identityKey
ourIdentityKey = IdentityKeyUtil().getIdentityKeyPair()
#if self.sessionRecord.sessionState.needsRefresh: self.sessionRecord.sessionState.archiveCurrentState()
#else: self.sessionRecord.sessionState.clear()
ratcheting_session.initializeSession(self.sessionRecord.sessionState,
ourBaseKey, theirBaseKey,
ourEphemeralKey, theirEphemeralKey,
ourIdentityKey, theirIdentityKey)
self.sessionRecord.sessionState.setPendingPreKey(message.keyId, ourBaseKey.publicKey)
self.sessionRecord.sessionState.setLocalRegistrationId(123)
self.sessionRecord.sessionState.setRemoteRegistrationId(message.registrationId)
self.sessionRecord.save()
