def __init__(self, configFileName): self.appConfigFileName = configFileName self.loadConfigFile() self.initLog() self.handle = pyccn.CCN() self.getApplicationKey() self.iFlex_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # we really need one of these per sender (pubkey) self.state = NameCrypto.new_state() self.cryptoKey = NameCrypto.generate_application_key(self.cfg.fixtureKey, self.cfg.appName) #self.symmKey = Key.Key().generateRSA(512) #self.symmKey = self.symmKey.generateRSA() # list of sender public keys self.senders = [] # list of sender states self.states = [] self.send = False self.count = 0 self.avgTime = 0 self.startTime =0 self.endTime =0 self.badPacket = 0 self.goodPacket = 0
def __init__(self, configFileName): self.appConfigFileName = configFileName self.loadConfigFile() self.handle = CCN.CCN() self.getApplicationKey() #nameCrypto self.state = NameCrypto.new_state() self.cryptoKey = NameCrypto.generate_application_key(self.cfg.fixtureKey, self.cfg.appName)
def sendSignedInterest(self,command):
self.count = self.count +1
time.sleep(self.cfg.refreshInterval)
fullURI = self.cfg.appPrefix + command
print fullURI
i = Interest.Interest()
#self.state = NameCrypto.new_state()
#build keyLocator to append to interest for NameCrypto on upcall
keyLoc = Key.KeyLocator(self.key)
keyLocStr = _pyccn.dump_charbuf(keyLoc.ccn_data)
nameAndKeyLoc = Name.Name(str(fullURI))
#print("there are "+str(len(nameAndKeyLoc))+" components")
nameAndKeyLoc += keyLocStr
#print("there are "+str(len(nameAndKeyLoc))+" components after adding keyLocStr")
#symmetric
authName = NameCrypto.authenticate_command(self.state, nameAndKeyLoc, self.cfg.appName, self.cryptoKey)
#asymmetric
#authName = NameCrypto.authenticate_command_sig(self.state, nameAndKeyLoc, self.cfg.appName, self.key)
#print authName.components
co = self.handle.expressInterest(authName,self)
def sendSignedInterest(self,command):
self.count = self.count +1
#time.sleep(self.cfg.refreshInterval)
fullURI = self.cfg.appPrefix + command
#print fullURI
i = Interest()
#self.state = NameCrypto.new_state()
#build keyLocator to append to interest for NameCrypto on upcall
keyLoc = pyccn.KeyLocator(self.key)
keyLocStr = pyccn._pyccn.dump_charbuf(keyLoc.ccn_data)
nameAndKeyLoc = Name(str(fullURI))
#print("there are "+str(len(nameAndKeyLoc))+" components")
nameAndKeyLoc = nameAndKeyLoc.append(keyLocStr)
#print("there are "+str(len(nameAndKeyLoc))+" components after adding keyLocStr")
#symmetric
#authName = NameCrypto.authenticate_command(self.state, nameAndKeyLoc, self.cfg.appName, self.cryptoKey)
#asymmetric
authName = NameCrypto.authenticate_command_sig(self.state, nameAndKeyLoc, self.cfg.appName, self.key)
#print authName.components
self.handle.setInterestFilter(Name(authName), self)
#trace(str(time.time()),str(authName),"expressed")
# time sent
tS = time.time()
self.log.info(str((tS-self.startTime))+",INTEREST_EXPRESSED, , "+ str(authName))
co = self.handle.expressInterest(authName,self)
self.handle.run(0)
def sendSignedInterest(self,command):
fullURI = self.cfg.appPrefix + command
print fullURI
i = Interest()
self.state = NameCrypto.new_state()
#build keyLocator to append to interest for NameCrypto on upcall
#
keyLoc = pyccn.KeyLocator(self.key)
keyLocStr = pyccn._pyccn.dump_charbuf(keyLoc.ccn_data)
nameAndKeyLoc = Name(str(fullURI))
#print("there are "+str(len(nameAndKeyLoc))+" components")
nameAndKeyLoc = nameAndKeyLoc.append(keyLocStr)
#print("there are "+str(len(nameAndKeyLoc))+" components after adding keyLocStr")
authName = NameCrypto.authenticate_command(self.state, nameAndKeyLoc, self.cfg.appName, self.cryptoKey)
#print authName.components
# send interest
# for just expressing
co = self.handle.expressInterest(authName,self)
def sendSignedInterest(self,command):
fullURI = self.cfg.appPrefix + command
print fullURI
i = Interest.Interest()
#build keyLocator to append to interest for NameCrypto on upcall
keyLoc = Key.KeyLocator(self.key)
keyLocStr = _pyccn.dump_charbuf(keyLoc.ccn_data)
nameAndKeyLoc = Name.Name(str(fullURI))
#print("there are "+str(len(nameAndKeyLoc))+" components")
nameAndKeyLoc += keyLocStr
#print("there are "+str(len(nameAndKeyLoc))+" components after adding keyLocStr")
authName = NameCrypto.authenticate_command(self.state, nameAndKeyLoc, self.cfg.appName, self.cryptoKey)
#print authName.components
co = self.handle.get(authName,i,500)
if not not co:
#if co is not empty, print result for debugging
print("interest "+str(co.content))
def sendSignedInterest(self,command):
fullURI = self.cfg.appPrefix + command
#print fullURI
i = Interest()
#build keyLocator to append to interest for NameCrypto on upcall
keyLoc = pyccn.KeyLocator(self.key)
keyLocStr = _pyccn.dump_charbuf(keyLoc.ccn_data)
nameAndKeyLoc = Name(str(fullURI))
#print("there are "+str(len(nameAndKeyLoc))+" components")
nameAndKeyLoc += keyLocStr
#print("there are "+str(len(nameAndKeyLoc))+" components after adding keyLocStr")
t0 = time()
authName = NameCrypto.authenticate_command(self.state, nameAndKeyLoc, self.cfg.appName, self.cryptoKey)
t1 = time()
#print "elapsed sign", t1-t0
#print authName.components
t0 = time()
co = self.handle.expressInterest(authName,self)
t1 = time()
from pyccn import NameCrypto, CCN, Name
handle = CCN.CCN()
key = handle.getDefaultKey()
del handle
fixture_key ="1234"
app_name="lightingController"
name = Name.Name(["name"])
app_key = NameCrypto.generate_application_key(fixture_key, app_name)
sender_state = NameCrypto.new_state()
receiver_state = NameCrypto.new_state()
auth_name1 = NameCrypto.authenticate_command(sender_state, name, app_name, app_key)
print("ccnx:" + str(auth_name1))
auth_name2 = NameCrypto.authenticate_command_sig(sender_state, name, app_name, key)
print("ccnx:" + str(auth_name2))
result = NameCrypto.verify_command(receiver_state, auth_name1, 10000, fixture_key=fixture_key, pub_key=key)
print(result)
result = NameCrypto.verify_command(receiver_state, auth_name2, 10000, fixture_key=fixture_key, pub_key=key)
print(result)
import pyccn
from pyccn import Name, NameCrypto, Key, KeyLocator, CCN
window = -1
# Test symmetric authentication
state = NameCrypto.new_state()
secret = '1234567812345678'
app_name = 'cuerda'
app_key = NameCrypto.generate_application_key(secret, app_name)
name = Name('/ndn/ucla.edu/apps/cuerda')
auth_name = NameCrypto.authenticate_command(state, name, app_name, app_key)
print auth_name
state2 = NameCrypto.new_state()
ret = NameCrypto.verify_command(state2, auth_name, window, fixture_key=secret)
print ret
assert(ret == True)
name_from_js = Name(
'/ndn/ucla.edu/apps/cuerda/%40%96%1CQ%00%06cuerdaQk%8A%13%00%07%B8%90%00%00%00%03%00%00%00%00%BB%14%FCHl%A5%F6%5D%18%1EIs%9E%91t%5El%C1y%3F%BAA%A7%02Y%EC%804%23%A4%D4t'
)
state3 = NameCrypto.new_state()
def upcall(self, kind, info):
tR = time.time()
#print self.appCfg.appName +" upcall..."
if kind != pyccn.UPCALL_INTEREST:
return pyccn.RESULT_OK
#ignore timeouts
if kind == pyccn.UPCALL_INTEREST_TIMED_OUT:
return pyccn.RESULT_OK
#print "received interest "+str(info.Interest.name)
#print info.Interest.name.components
#print "interest has "+str(len(info.Interest.name))+" components"
self.state = NameCrypto.new_state()
# verify interest
n = info.Interest.name
### if we know the key
### use the state for it
### if it's a new key
### and we trust it
### make a state for it
### and use that state
#meanwhile, until this is implemented... restart controller if use with a new sender/app
self.send = False
#symmetric
#result = NameCrypto.verify_command(self.state, n, self.cfg.window, fixture_key=self.cfg.fixtureKey)
# keyLoc only needs parsing for asymmetric
keyLocStr2 = n[-2]
#print "\n ncrypt: "+ keyLocStr2 + "\n"
#try:
capsule = pyccn._pyccn.new_charbuf('KeyLocator_ccn_data', keyLocStr2)
keyLoc2 = pyccn._pyccn.KeyLocator_obj_from_ccn(capsule)
#asymmetric
result = NameCrypto.verify_command(self.state, n, self.cfg.window, pub_key=keyLoc2.key)
self.state = NameCrypto.new_state()
content = result
self.log.info(str(time.time()-self.startTime)+",NC_VERIFY,"+str(content)+","+str(info.Interest.name))
if(result == True):
#print "Verify "+str(result)
#content = "Verify True"
self.send = True
self.goodPacket=self.goodPacket+1
self.state = NameCrypto.new_state()
else:
self.badPacket=self.badPacket+1
self.send = False
#if (result == -2):
#content = "Verify False : "+str(result)
# content = "-2=NC Verification Fail"
#print "Verify False : "+ str(result)+" for "+str(info.Interest.name)
#print("-2 verification fail")
'''
else:
# we don't care about duplicates right now
if (result != -4):
#content = "Verify False : "+str(result)
#print "Verify False : "+ str(result)+" for "+str(info.Interest.name)
# nor do we care about bad authenticators either
print("-4 expired command")
if (result == -2):
#content = "Verify False : "+str(result)
#print "Verify False : "+ str(result)+" for "+str(info.Interest.name)
print("-2 verification fail")
'''
# if verified, send interest
#if self.send:
# parse command & send to correct driver/IP
# must ignore right now, still get too many false / 'outside window'
self.parseAndSendToLight(info.Interest.name)
# return content object
# (ideally based on success/fail - yet that's not implicitly supported by current kinet
# so perhaps we put a self-verification of new driver state process here
# meanwhile just return 'ok'
tS = time.time()
if (content>0):
#if (self.send):
#if(content):
self.handle.put(self.makeDefaultContent(info.Interest.name, content)) # send the prepared data
self.log.info(str(tS-self.startTime)+",CONTENT_PUT,"+str(content)+","+str(info.Interest.name))
#print("published content object at "+str(info.Interest.name)+"\n")
t1 = time.time()
self.count = self.count+1
self.avgTime = ((t1-tR) + (self.avgTime / self.count))
#print str(self.avgTime) +" at "+str(self.count)
# self.handle.setRunTimeout(-1) # finish run()
return pyccn.RESULT_INTEREST_CONSUMED