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Echo example

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Mark Qvist 2018-03-20 12:32:41 +01:00
parent 4c7d20e15b
commit d4be407821
9 changed files with 386 additions and 62 deletions
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37
FPE/Destination.py
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@ -15,12 +15,17 @@ class Destination:
PADDINGSIZE= FPE.Identity.PADDINGSIZE;
# Constants
SINGLE = 0x00;
GROUP = 0x01;
PLAIN = 0x02;
LINK = 0x03;
SINGLE = 0x00
GROUP = 0x01
PLAIN = 0x02
LINK = 0x03
types = [SINGLE, GROUP, PLAIN, LINK]
PROVE_NONE = 0x21
PROVE_APP = 0x22
PROVE_ALL = 0x23
proof_strategies = [PROVE_NONE, PROVE_APP, PROVE_ALL]
IN = 0x11;
OUT = 0x12;
directions = [IN, OUT]
@ -56,20 +61,24 @@ class Destination:
if not direction in Destination.directions: raise ValueError("Unknown destination direction")
self.type = type
self.direction = direction
self.proof_strategy = Destination.PROVE_NONE
self.mtu = 0
if identity == None:
if identity != None and type == Destination.SINGLE:
aspects = aspects+(identity.hexhash,)
if identity == None and direction == Destination.IN:
identity = Identity()
identity.createKeys()
aspects = aspects+(identity.hexhash,)
self.identity = identity
aspects = aspects+(identity.hexhash,)
self.name = Destination.getDestinationName(app_name, *aspects)
self.hash = Destination.getDestinationHash(app_name, *aspects)
self.hexhash = self.hash.encode("hex_codec")
self.callback = None
self.proofcallback = None
FPE.Transport.registerDestination(self)
@ -81,11 +90,19 @@ class Destination:
def setCallback(self, callback):
self.callback = callback
def setProofCallback(self, callback):
self.proofcallback = callback
def receive(self, data):
plaintext = self.decrypt(data)
def setProofStrategy(self, proof_strategy):
if not proof_strategy in Destination.proof_strategies:
raise TypeError("Unsupported proof strategy")
else:
self.proof_strategy = proof_strategy
def receive(self, packet):
plaintext = self.decrypt(packet.data)
if plaintext != None and self.callback != None:
self.callback(plaintext, self)
self.callback(plaintext, packet)
def createKeys(self):