def getstegresult(stegcollection, cipher, key, aesmode, verbose):
# Decodes an entire series of steg messages, or notifies you if you have
# some steg messages but are awaiting more transmissions to decode
if cipher == "none":
return True, "", True, jts.deciphersteg(
stegcollection, cipher, key, aesmode, verbose,
False) # Steg has already been unprepped
else:
localarray = stegcollection[0]
if verbose:
print "localarray : " + str(localarray)
localarray = jts.jt65tobytes(localarray)
if getstatusbyte(localarray) & 0x80 != 0x80:
# The first packet in the collection does not represet a 'start'
# packet, reset the collection and catch the next one
return False, "Monitored steg mid-transmission, resetting for next transmission.", True, ""
# The first packet represents a 'start' packet, do we have all the
# packets?
expectedpackets = getstatusbyte(localarray) & 0x7F
if expectedpackets <= len(stegcollection):
return True, "", True, jts.deciphersteg(stegcollection, cipher,
key, aesmode, verbose,
False)
# The multi-packet transmission is not complete yet
return False, "(" + str(len(stegcollection)) + "/" + str(
expectedpackets) + ") total packets received.", False, ""
def test_PackUnpack(self):
for i in range(RANDOM_TEST_LOOP_COUNT):
randomJT65bytes = np.array(
[random.randint(0, JT65_MAX_SYMBOL) for r in range(12)])
byteresult = jts.jt65tobytes(randomJT65bytes)
jt65result = jts.bytestojt65(byteresult)
self.assertEqual(len(byteresult), 9)
self.assertEqual(len(jt65result), 12)
self.assertEqual(jt65result.tolist(), randomJT65bytes.tolist())
def getstegresult(stegcollection, cipher, key, aesmode, verbose):
# Decodes an entire series of steg messages, or notifies you if you have
# some steg messages but are awaiting more transmissions to decode
if cipher == "none":
return (
True,
"",
True,
jts.deciphersteg(stegcollection, cipher, key, aesmode, verbose, False),
) # Steg has already been unprepped
else:
localarray = stegcollection[0]
if verbose:
print "localarray : " + str(localarray)
localarray = jts.jt65tobytes(localarray)
if getstatusbyte(localarray) & 0x80 != 0x80:
# The first packet in the collection does not represet a 'start'
# packet, reset the collection and catch the next one
return False, "Monitored steg mid-transmission, resetting for next transmission.", True, ""
# The first packet represents a 'start' packet, do we have all the
# packets?
expectedpackets = getstatusbyte(localarray) & 0x7F
if expectedpackets <= len(stegcollection):
return True, "", True, jts.deciphersteg(stegcollection, cipher, key, aesmode, verbose, False)
# The multi-packet transmission is not complete yet
return (
False,
"(" + str(len(stegcollection)) + "/" + str(expectedpackets) + ") total packets received.",
False,
"",
)
def test_PackNegative(self):
for i in range(RANDOM_TEST_LOOP_COUNT):
randomJT65bytes = np.array(
[random.randint(0, JT65_MAX_SYMBOL) for r in range(12)])
byteresult = jts.jt65tobytes(randomJT65bytes)
self.assertNotEqual(byteresult.tolist(), randomJT65bytes.tolist())
