def test_RandomCover(self):
for i in range(63 - len(hidekey)):
miscount = 0
randomvalidmessage = np.array(
[random.randint(0, JT65_MAX_SYMBOL) for r in range(64)])
msgcopy = np.copy(randomvalidmessage)
covered = jts.randomcover(msgcopy, hidekey, i)
for index, value in enumerate(covered):
if covered[index] != randomvalidmessage[index]:
miscount += 1
self.assertTrue(i == miscount)
jt65data = jts.jt65encodemessages(jt65msgs, args.verbose)
if args.stegmsg != "" and STEG_ENABLED:
# Create array of cipher data to hide
cipherdata = jts.createciphermsgs(
len(jt65data), args.stegmsg, args.cipher, args.key, args.recipient, args.aesmode, args.verbose
)
# Embed steg data in JT65 messages
finalmsgs = jts.steginject(jt65data, args.noise, cipherdata, hidekey, args.verbose)
else:
# No steg data to hide, just add cover noise if specified
finalmsgs = []
for msg in jt65data:
finalmsgs.append(jts.randomcover(msg, [], args.noise, args.verbose))
# Send to output
processoutput(finalmsgs, args.stdout, args.wavout, args.wsjt, args.freq, args.mode, args.verbose)
# Decode
elif args.decode:
stegpresent = False
# Process input to JT numpy arrays
jt65data = processinput(args.stdin, args.wavin, args.verbose)
jt65datacopy = copy.deepcopy(jt65data)
jt65stegmsgs = []
# Retrieve JT65 valid messages
jt65msgs = jts.decodemessages(jt65data, args.verbose)
if args.stegmsg != "" and STEG_ENABLED:
# Create array of cipher data to hide
cipherdata = jts.createciphermsgs(len(jt65data), args.stegmsg,
args.cipher, args.key,
args.recipient, args.aesmode,
args.verbose)
# Embed steg data in JT65 messages
finalmsgs = jts.steginject(jt65data, args.noise, cipherdata, hidekey,
args.verbose)
else:
# No steg data to hide, just add cover noise if specified
finalmsgs = []
for msg in jt65data:
finalmsgs.append(jts.randomcover(msg, [], args.noise,
args.verbose))
# Send to output
processoutput(finalmsgs, args.stdout, args.wavout, args.wsjt, args.freq,
args.mode, args.verbose)
# Decode
elif args.decode:
stegpresent = False
# Process input to JT numpy arrays
jt65data = processinput(args.stdin, args.wavin, args.verbose)
jt65datacopy = copy.deepcopy(jt65data)
jt65stegmsgs = []
# Retrieve JT65 valid messages
