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Echo example

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This commit is contained in:
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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35
FPE/Packet.py
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@ -1,4 +1,5 @@
import struct
import time
import FPE
class Packet:
@ -29,14 +30,19 @@ class Packet:
self.transport_id = transport_id
self.data = data
self.flags = self.getPackedFlags()
self.MTU = self.destination.MTU
self.raw = None
self.packed = False
self.sent = False
self.MTU = self.destination.MTU
self.fromPacked = False
else:
self.raw = data
self.packed = True
self.raw = data
self.packed = True
self.fromPacked = True
self.sent_at = None
self.packet_hash = None
def getPackedFlags(self):
packed_flags = (self.header_type << 6) | (self.transport_type << 4) | (self.destination.type << 2) | self.packet_type
@ -90,6 +96,8 @@ class Packet:
self.pack()
FPE.log("Size: "+str(len(self.raw))+" header is "+str(len(self.header))+" payload is "+str(len(self.ciphertext)), FPE.LOG_DEBUG)
FPE.Transport.outbound(self.raw)
self.packet_hash = FPE.Identity.fullHash(self.raw)
self.sent_at = time.time()
self.sent = True
else:
raise IOError("Packet was already sent")
@ -98,4 +106,23 @@ class Packet:
if self.sent:
Transport.outbound(self.raw)
else:
raise IOError("Packet was not sent yet")
raise IOError("Packet was not sent yet")
def prove(self, destination):
if self.fromPacked and self.destination:
if self.destination.identity and self.destination.identity.prv:
self.destination.identity.prove(self, destination)
def validateProofPacket(self, proof_packet):
return self.validateProof(proof_packet.data)
def validateProof(self, proof):
proof_hash = proof[:32]
signature = proof[32:]
if proof_hash == self.packet_hash:
return self.destination.identity.validate(signature, proof_hash)
else:
return False