def __init__(self,
callback=None,
tag_type=TagType.ULTRALIGHT,
memory=None,
rands=None):
self._tag_type = tag_type
self._mem = memory
if tag_type == TagType.CLASSIC1K:
self._random = Rand(rands)
keya, keyb = Tag.get_keys_from_mem(self._mem)
self._keya = keya
self._keyb = keyb
self._callback = callback if callback else self._display
if self._tag_type == TagType.ULTRALIGHT:
self.process_packet = self.process_packet_ul
elif self._tag_type == TagType.CLASSIC1K:
self.process_packet = self.process_packet_1k
else:
print "TAG TYPE UNSUPPORTED"
self._uid = self._get_uid()
self._halt = False
self._selected = False
self._encode = None
self._reset()
def __init__(self, callback=None, rands=None, keya=None, keyb=None):
self._callback = callback if callback else self._display
self._encoder = None
self._random = Rand(rands)
self._keya = keya
self._keyb = keyb
self._key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
] if not self._keya else self._keya
self._reset_tag()
self._encode = None
def __init__(self, source_dir):
source_retriever = SourceRetriever(source_dir)
transition_builder = TransitionBuilder()
speaker_collection = SpeakerCollection(source_retriever)
transition_retriever = CachedTransitionRetriever(
source_retriever, transition_builder, speaker_collection)
rand = Rand()
quote_generator = QuoteGenerator(rand)
self.quote_processor = QuoteRequestProcessor(transition_retriever,
quote_generator)
start_time = datetime.datetime.fromtimestamp(time.time())
self.meta_processor = MetaRequestProcessor(transition_retriever,
speaker_collection, rand,
start_time)
self.processors = {
config.GENERATE_REQUEST_TRIGGER: (self.quote_processor, {
"direction": QuoteDirection.BIDI
}),
config.GENERATE_FORWARD_REQUEST_TRIGGER: (self.quote_processor, {
"direction":
QuoteDirection.FORWARD
}),
config.GENERATE_REVERSE_REQUEST_TRIGGER: (self.quote_processor, {
"direction":
QuoteDirection.REVERSE
}),
config.META_REQUEST_TRIGGER: (self.meta_processor, {}),
}
def __init__(self, callback = None, rands=None, keya=None, keyb=None):
self._callback = callback if callback else self._display
self._encoder = None
self._random = Rand(rands)
self._keya = keya
self._keyb = keyb
self._key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF] if not self._keya else self._keya
self._reset_tag()
self._encode = None
def __init__(self, callback = None, tag_type=TagType.ULTRALIGHT, memory=None, rands=None):
self._tag_type = tag_type
self._mem = memory
if tag_type == TagType.CLASSIC1K:
self._random = Rand(rands)
keya, keyb = Tag.get_keys_from_mem(self._mem)
self._keya = keya
self._keyb = keyb
self._callback = callback if callback else self._display
if self._tag_type == TagType.ULTRALIGHT:
self.process_packet = self.process_packet_ul
elif self._tag_type == TagType.CLASSIC1K:
self.process_packet = self.process_packet_1k
else:
print "TAG TYPE UNSUPPORTED"
self._uid = self._get_uid()
self._halt = False
self._selected = False
self._encode = None
self._reset()
class Tag:
@staticmethod
def generate_1k():
zero_block = [0x00] * 16
keya = [0xFF] * 6
keyb = [0xFF] * 6
acc = [0xFF, 0x07, 0x80, 0x69] # access controls
key_block = keya + acc + keyb
zero_sector = zero_block * 3 + key_block
tag_block = [
0xCD, 0x76, 0x92, 0x74, 0x5D, 0x88, 0x04, 0x00, 0x85, 0x00, 0x00,
0x00, 0x04, 0x13, 0x45, 0x01
]
tag_sector = tag_block + zero_block * 2 + key_block
mem = tag_sector + 15 * zero_sector
return mem
@staticmethod
def get_keys_from_mem(mem):
start = 16 * 3
key_block = mem[start:start + 16]
keya = key_block[0:6]
keyb = key_block[10:16]
return (keya, keyb)
def __init__(self,
callback=None,
tag_type=TagType.ULTRALIGHT,
memory=None,
rands=None):
self._tag_type = tag_type
self._mem = memory
if tag_type == TagType.CLASSIC1K:
self._random = Rand(rands)
keya, keyb = Tag.get_keys_from_mem(self._mem)
self._keya = keya
self._keyb = keyb
self._callback = callback if callback else self._display
if self._tag_type == TagType.ULTRALIGHT:
self.process_packet = self.process_packet_ul
elif self._tag_type == TagType.CLASSIC1K:
self.process_packet = self.process_packet_1k
else:
print "TAG TYPE UNSUPPORTED"
self._uid = self._get_uid()
self._halt = False
self._selected = False
self._encode = None
self._reset()
def wake_up(self):
self._halt = False
def _get_uid(self):
if self._tag_type == TagType.ULTRALIGHT:
return self._mem[0:9]
elif self._tag_type == TagType.CLASSIC1K:
return self._mem[0:5]
def _display(self, bits):
print bits
def _handle_next(self, cmd, extra):
if not cmd:
return None
struct = CommandStructure.encode_command(cmd, extra)
print "TAG OUTGOING"
struct.display()
all_bits = Convert.to_bit_ar(struct.all_bytes(), True)
if self._encode:
all_bits = self._encode(all_bits, cmd)
#print all_bits
self._callback(all_bits)
return (cmd, struct)
def set_encoder(self, encode):
self._encode = encode
def process_packet_ul(self, cmd, struct):
if cmd.packet_type() != PacketType.READER_TO_TAG:
return None
print "TAG INCOMING"
struct.display()
next_cmd = None
extra_param = []
decoded = False
if cmd == CommandType.WUPA:
next_cmd = CommandType.ATQAUL
decoded = True
elif cmd == CommandType.REQA:
if not self._halt:
next_cmd = CommandType.ATQAUL
decoded = True
elif cmd == CommandType.ANTI1R:
next_cmd = CommandType.ANTI1U
extra_param = self._uid[0:4]
decoded = True
elif cmd == CommandType.SEL1R:
if struct.extra() == [0x88] + self._uid[0:4]:
self._selected = True
next_cmd = CommandType.SEL1U
decoded = True
if decoded:
ret = self._handle_next(next_cmd, extra_param)
return ret
if not self._selected:
return None
if cmd == CommandType.ANTI2R:
next_cmd = CommandType.ANTI2T
extra_param = self._uid[4:]
elif cmd == CommandType.SEL2R:
if struct.extra() != self._uid[4:]:
self._selected = False
self._reset()
else:
next_cmd = CommandType.SEL2T
elif cmd == CommandType.READR:
val = struct.extra()[0]
if val <= 0x0F:
next_cmd = CommandType.READT
beg = val * 4
if val <= 0x0C:
extra_param = self._mem[beg:beg + 16]
else:
diff = val - 0x0C
extra_param = self._mem[beg:]
extra_param += self._mem[0:diff * 4]
elif cmd == CommandType.HALT:
self._halt = True
self._selected = False
self._reset()
ret = self._handle_next(next_cmd, extra_param)
return ret
def _reset(self):
self._auth = None
self._auth_key = AuthKey.NONE
self._auth_prosp = None
self._at = None
@staticmethod
def _check_complements(a, na):
for i in xrange(4):
ai = a & 1
nai = na & 1
if ai != 1 - nai:
return False
a >>= 1
na >>= 1
return True
def _get_sector_access_bits(self, num):
offset = num * 16 + 54
bytes = self._mem[offset:offset + 4]
return self._decode_access_bits(bytes)
def _decode_access_bits(self, bytes):
not_ones = bytes[0] & 0xFF
not_twos = (bytes[0] >> 4) & 0xFF
not_threes = bytes[1] & 0xFF
ones = (bytes[1] >> 4) & 0xFF
twos = bytes[2] & 0xFF
threes = (bytes[2] >> 4) & 0xFF
if not Tag._check_complements(ones, not_ones):
print "ERROR WITH ONES"
if not Tag._check_complements(twos, not_twos):
print "ERROR WITH TWOS"
if not Tag._check_complements(threes, not_threes):
print "ERROR WITH THREES"
ar = [ones, twos, threes]
ll = len(ar)
ret = []
for i in xrange(4):
val = 0
for j in xrange(ll):
val |= ((ar[j] >> i) & 1) << (2 - j)
ret.append(val)
return ret
def _get_access_result(self, block, access_type):
sector = self._auth
if sector == None:
return AccessResult.NONE
if block / 4 != sector / 4:
return AccessResult.NONE
rem = block % 4
access_bits = self._get_sector_access_bits(sector)[rem]
if rem != 3: # regular access
if access_type == AccessType.READ:
if access_bits == 7:
return AccessResult.NONE
elif access_bits in [3, 5]:
if self._auth_key == AuthKey.B:
return AccessResult.ALL
else:
return AccessResult.NONE
else:
return AccessResult.ALL
elif access_type == AccessType.WRITE:
if access_bits == 0:
return AccessResult.ALL
elif access_bits in [3, 4, 6]:
if self._auth_key == AuthKey.B:
return AccessResult.ALL
else:
return AccessResult.NONE
else:
return AccessResult.NONE
elif access_type == AccessType.INCREMENT:
if access_bits == 0:
return AccessResult.ALL
elif access_bits == 6:
if self._auth_key == AuthKey.B:
return AccessResult.ALL
else:
return AccessResult.NONE
else:
return AccessResult.NONE
elif access_type == AccessType.OTHERS:
return access_bits in [0, 1, 6]
else:
print "WRONG ACCESS TYPE!"
else:
if access_type == AccessType.READ:
if access_bits in [0, 1, 2]:
if self._auth_key == AuthKey.A:
return AccessResult.P011
else:
return AccessResult.NONE
else:
return AccessResult.P010
elif acccess_type == AccessType.WRITE:
if access_bits in [2, 6, 7]:
return AccessResult.NONE
elif access_bits == 5:
if self._auth_key == AuthKey.B:
return AccessResult.P010
else:
return AccessResult.NONE
elif access_bits == 0:
if self._auth_key == AuthKey.A:
return AccessResult.P101
else:
return AccessResult.NONE
elif access_bits == 4:
if self._auth_key == AuthKey.B:
return AccessResult.P101
else:
return AccessResult.NONE
elif access_bits == 1:
if self._auth_key == AuthKey.A:
return AccessResult.P101
else:
return AccessResult.NONE
elif access_bits == 3:
if self._auth_key == AuthKey.B:
return AccessResult.P101
else:
return AccessResult.NONE
else:
print "SHOULD NEVER GET HERE"
return AccessResult.NONE
def _set_at(self, auth_key, prosp):
self._reset()
self._auth_key = auth_key
self._auth_prosp = prosp
extra_param = self._random.get_next()
c = cipher(self._keya if self._auth_key == AuthKey.A else self._keyb)
uid_bits = Convert.to_bit_ar(self._uid[0:4])
nonce_bits = Convert.to_bit_ar(extra_param)
c.set_tag_bits(uid_bits, nonce_bits, 0)
self._at = c.get_at()
return extra_param
def process_packet_1k(self, cmd, struct):
if cmd.packet_type() != PacketType.READER_TO_TAG:
return None
print "INCOMING"
struct.display()
next_cmd = None
extra_param = []
decoded = False
if cmd == CommandType.WUPA:
next_cmd = CommandType.ATQA1K
decoded = True
self._selected = False
self._reset()
elif cmd == CommandType.REQA:
if not self._halt:
next_cmd = CommandType.ATQA1K
decoded = True
self._selected = False
self._reset()
elif cmd == CommandType.ANTI1R:
next_cmd = CommandType.ANTI1G
extra_param = self._uid
decoded = True
elif cmd == CommandType.SEL1R:
if struct.extra() == self._uid:
self._selected = True
next_cmd = CommandType.SEL1K
decoded = True
if decoded:
ret = self._handle_next(next_cmd, extra_param)
return ret
if not self._selected:
return None
if cmd == CommandType.AUTHA:
next_cmd = CommandType.RANDTA
extra_param = self._set_at(AuthKey.A, struct.extra()[0])
elif cmd == CommandType.AUTHB:
next_cmd = CommandType.RANDTA
extra_param = self._set_at(AuthKey.A, struct.extra()[0])
elif cmd == CommandType.RANDRB:
next_cmd = CommandType.RANDTB
extra_param = self._at
self._auth = self._auth_prosp
elif cmd == CommandType.SEL2R:
self._selected = False
self._reset()
elif cmd == CommandType.READR:
val = struct.extra()[0]
if val <= 0x3F:
auth = self._get_access_result(val, AccessType.READ)
if auth != AccessResult.NONE:
next_cmd = CommandType.READT
beg = val * 16
mem = self._mem[beg:beg + 16]
if auth == AccessResult.ALL:
extra_param = mem
else:
extra_param = []
for i in xrange(16):
if i < 6:
mult = auth[0]
elif i < 10:
mult = auth[1]
else:
mult = auth[2]
byte = mem[i] * mult
extra_param.append(byte)
elif cmd == CommandType.HALT:
self._halt = True
self._reset()
ret = self._handle_next(next_cmd, extra_param)
return ret
class Tag:
@staticmethod
def generate_1k():
zero_block = [0x00]*16
keya = [0xFF]*6
keyb = [0xFF]*6
acc = [0xFF, 0x07, 0x80, 0x69] # access controls
key_block = keya + acc + keyb
zero_sector = zero_block*3 + key_block
tag_block = [0xCD, 0x76, 0x92, 0x74,
0x5D, 0x88, 0x04, 0x00,
0x85, 0x00, 0x00, 0x00,
0x04, 0x13, 0x45, 0x01]
tag_sector = tag_block + zero_block*2 + key_block
mem = tag_sector + 15*zero_sector
return mem
@staticmethod
def get_keys_from_mem(mem):
start = 16*3
key_block = mem[start:start+16]
keya = key_block[0:6]
keyb = key_block[10:16]
return (keya, keyb)
def __init__(self, callback = None, tag_type=TagType.ULTRALIGHT, memory=None, rands=None):
self._tag_type = tag_type
self._mem = memory
if tag_type == TagType.CLASSIC1K:
self._random = Rand(rands)
keya, keyb = Tag.get_keys_from_mem(self._mem)
self._keya = keya
self._keyb = keyb
self._callback = callback if callback else self._display
if self._tag_type == TagType.ULTRALIGHT:
self.process_packet = self.process_packet_ul
elif self._tag_type == TagType.CLASSIC1K:
self.process_packet = self.process_packet_1k
else:
print "TAG TYPE UNSUPPORTED"
self._uid = self._get_uid()
self._halt = False
self._selected = False
self._encode = None
self._reset()
def wake_up(self):
self._halt = False
def _get_uid(self):
if self._tag_type == TagType.ULTRALIGHT:
return self._mem[0:9]
elif self._tag_type == TagType.CLASSIC1K:
return self._mem[0:5]
def _display(self, bits):
print bits
def _handle_next(self, cmd, extra):
if not cmd:
return None
struct = CommandStructure.encode_command(cmd, extra)
print "TAG OUTGOING"
struct.display()
all_bits = Convert.to_bit_ar(struct.all_bytes(), True)
if self._encode:
all_bits = self._encode(all_bits, cmd)
#print all_bits
self._callback(all_bits)
return (cmd, struct)
def set_encoder(self, encode):
self._encode = encode
def process_packet_ul(self, cmd, struct):
if cmd.packet_type() != PacketType.READER_TO_TAG:
return None
print "TAG INCOMING"
struct.display()
next_cmd = None
extra_param = []
decoded = False
if cmd == CommandType.WUPA:
next_cmd = CommandType.ATQAUL
decoded = True
elif cmd == CommandType.REQA:
if not self._halt:
next_cmd = CommandType.ATQAUL
decoded = True
elif cmd == CommandType.ANTI1R:
next_cmd = CommandType.ANTI1U
extra_param = self._uid[0:4]
decoded = True
elif cmd == CommandType.SEL1R:
if struct.extra() == [0x88] + self._uid[0:4]:
self._selected = True
next_cmd = CommandType.SEL1U
decoded = True
if decoded:
ret = self._handle_next(next_cmd, extra_param)
return ret
if not self._selected:
return None
if cmd == CommandType.ANTI2R:
next_cmd = CommandType.ANTI2T
extra_param = self._uid[4:]
elif cmd == CommandType.SEL2R:
if struct.extra() != self._uid[4:]:
self._selected = False
self._reset()
else:
next_cmd = CommandType.SEL2T
elif cmd == CommandType.READR:
val = struct.extra()[0]
if val <= 0x0F:
next_cmd = CommandType.READT
beg = val*4
if val <= 0x0C:
extra_param = self._mem[beg:beg+16]
else:
diff = val - 0x0C
extra_param = self._mem[beg:]
extra_param += self._mem[0:diff*4]
elif cmd == CommandType.HALT:
self._halt = True
self._selected = False
self._reset()
ret = self._handle_next(next_cmd, extra_param)
return ret
def _reset(self):
self._auth = None
self._auth_key = AuthKey.NONE
self._auth_prosp = None
self._at = None
@staticmethod
def _check_complements(a, na):
for i in xrange(4):
ai = a&1
nai = na&1
if ai != 1 - nai:
return False
a >>= 1
na >>= 1
return True
def _get_sector_access_bits(self, num):
offset = num*16 + 54
bytes = self._mem[offset:offset+4]
return self._decode_access_bits(bytes)
def _decode_access_bits(self, bytes):
not_ones = bytes[0] & 0xFF
not_twos = (bytes[0] >> 4) & 0xFF
not_threes = bytes[1] & 0xFF
ones = (bytes[1] >> 4) & 0xFF
twos = bytes[2] & 0xFF
threes = (bytes[2] >> 4) & 0xFF
if not Tag._check_complements(ones, not_ones):
print "ERROR WITH ONES"
if not Tag._check_complements(twos, not_twos):
print "ERROR WITH TWOS"
if not Tag._check_complements(threes, not_threes):
print "ERROR WITH THREES"
ar = [ones, twos, threes]
ll = len(ar)
ret = []
for i in xrange(4):
val = 0
for j in xrange(ll):
val |= ((ar[j]>> i) & 1) << (2-j)
ret.append(val)
return ret
def _get_access_result(self, block, access_type):
sector = self._auth
if sector == None:
return AccessResult.NONE
if block/4 != sector/4:
return AccessResult.NONE
rem = block%4
access_bits = self._get_sector_access_bits(sector)[rem]
if rem != 3: # regular access
if access_type == AccessType.READ:
if access_bits == 7:
return AccessResult.NONE
elif access_bits in [3, 5]:
if self._auth_key == AuthKey.B:
return AccessResult.ALL
else:
return AccessResult.NONE
else:
return AccessResult.ALL
elif access_type == AccessType.WRITE:
if access_bits == 0:
return AccessResult.ALL
elif access_bits in [3, 4, 6]:
if self._auth_key == AuthKey.B:
return AccessResult.ALL
else:
return AccessResult.NONE
else:
return AccessResult.NONE
elif access_type == AccessType.INCREMENT:
if access_bits == 0:
return AccessResult.ALL
elif access_bits == 6:
if self._auth_key == AuthKey.B:
return AccessResult.ALL
else:
return AccessResult.NONE
else:
return AccessResult.NONE
elif access_type == AccessType.OTHERS:
return access_bits in [0, 1, 6]
else:
print "WRONG ACCESS TYPE!"
else:
if access_type == AccessType.READ:
if access_bits in [0, 1, 2]:
if self._auth_key == AuthKey.A:
return AccessResult.P011
else:
return AccessResult.NONE
else:
return AccessResult.P010
elif acccess_type == AccessType.WRITE:
if access_bits in [2, 6, 7]:
return AccessResult.NONE
elif access_bits == 5:
if self._auth_key == AuthKey.B:
return AccessResult.P010
else:
return AccessResult.NONE
elif access_bits == 0:
if self._auth_key == AuthKey.A:
return AccessResult.P101
else:
return AccessResult.NONE
elif access_bits == 4:
if self._auth_key == AuthKey.B:
return AccessResult.P101
else:
return AccessResult.NONE
elif access_bits == 1:
if self._auth_key == AuthKey.A:
return AccessResult.P101
else:
return AccessResult.NONE
elif access_bits == 3:
if self._auth_key == AuthKey.B:
return AccessResult.P101
else:
return AccessResult.NONE
else:
print "SHOULD NEVER GET HERE"
return AccessResult.NONE
def _set_at(self, auth_key, prosp):
self._reset()
self._auth_key = auth_key
self._auth_prosp = prosp
extra_param = self._random.get_next()
c = cipher(self._keya if self._auth_key == AuthKey.A else self._keyb)
uid_bits = Convert.to_bit_ar(self._uid[0:4])
nonce_bits = Convert.to_bit_ar(extra_param)
c.set_tag_bits(uid_bits, nonce_bits, 0)
self._at = c.get_at()
return extra_param
def process_packet_1k(self, cmd, struct):
if cmd.packet_type() != PacketType.READER_TO_TAG:
return None
print "INCOMING"
struct.display()
next_cmd = None
extra_param = []
decoded = False
if cmd == CommandType.WUPA:
next_cmd = CommandType.ATQA1K
decoded = True
self._selected = False
self._reset()
elif cmd == CommandType.REQA:
if not self._halt:
next_cmd = CommandType.ATQA1K
decoded = True
self._selected = False
self._reset()
elif cmd == CommandType.ANTI1R:
next_cmd = CommandType.ANTI1G
extra_param = self._uid
decoded = True
elif cmd == CommandType.SEL1R:
if struct.extra() == self._uid:
self._selected = True
next_cmd = CommandType.SEL1K
decoded = True
if decoded:
ret = self._handle_next(next_cmd, extra_param)
return ret
if not self._selected:
return None
if cmd == CommandType.AUTHA:
next_cmd = CommandType.RANDTA
extra_param = self._set_at(AuthKey.A, struct.extra()[0])
elif cmd == CommandType.AUTHB:
next_cmd = CommandType.RANDTA
extra_param = self._set_at(AuthKey.A, struct.extra()[0])
elif cmd == CommandType.RANDRB:
next_cmd = CommandType.RANDTB
extra_param = self._at
self._auth = self._auth_prosp
elif cmd == CommandType.SEL2R:
self._selected = False
self._reset()
elif cmd == CommandType.READR:
val = struct.extra()[0]
if val <= 0x3F:
auth = self._get_access_result(val, AccessType.READ)
if auth != AccessResult.NONE:
next_cmd = CommandType.READT
beg = val*16
mem = self._mem[beg:beg+16]
if auth == AccessResult.ALL:
extra_param = mem
else:
extra_param = []
for i in xrange(16):
if i < 6:
mult = auth[0]
elif i < 10:
mult = auth[1]
else:
mult = auth[2]
byte = mem[i]*mult
extra_param.append(byte)
elif cmd == CommandType.HALT:
self._halt = True
self._reset()
ret = self._handle_next(next_cmd, extra_param)
return ret
class Reader:
def __init__(self, callback = None, rands=None, keya=None, keyb=None):
self._callback = callback if callback else self._display
self._encoder = None
self._random = Rand(rands)
self._keya = keya
self._keyb = keyb
self._key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF] if not self._keya else self._keya
self._reset_tag()
self._encode = None
def _display(self, bits, finished=False):
print bits, finished
def _reset_tag(self):
self._uid = []
self._tag_type = None
self._encryption = None
self._readaddr = 0
self._cur_addr = 0
self._auth_addr = 0
self._random.reset()
def _handle_next(self, cmd, extra):
struct = CommandStructure.encode_command(cmd, extra)
print "READER OUTGOING"
struct.display()
if cmd == CommandType.HALT:
self._reset_tag()
all_bits = Convert.to_bit_ar(struct.all_bytes(), True)
if self._encode:
all_bits = self._encode(all_bits, cmd)
#print all_bits
self._callback(all_bits, cmd == CommandType.HALT)
return (cmd, struct)
def set_encoder(self, encode):
self._encode = encode
def process_packet(self, cmd, struct):
if cmd.packet_type() != PacketType.TAG_TO_READER:
return None
print "READER INCOMING"
struct.display()
next_cmd = CommandType.HALT
extra_param = []
if cmd == CommandType.ATQAUL:
self._tag_type = TagType.ULTRALIGHT
next_cmd = CommandType.ANTI1R
elif cmd == CommandType.ATQA1K:
self._tag_type = TagType.CLASSIC1K
next_cmd = CommandType.ANTI1R
elif cmd == CommandType.ATQA4K:
self._tag_type = TagType.CLASSIC4K
#next_cmd = CommandType.ANTI1R
next_cmd = CommandType.HALT # don't have access to this, but similar to 1k
elif cmd == CommandType.ATQADS:
self._tag_type = TagType.DESFIRE
next_cmd = CommandType.HALT # can't handle this
elif cmd == CommandType.ANTI1U:
extra_param = [0x88] + struct.extra()
uid = extra_param[1:4] # should check tag type...
self._uid.extend(uid)
next_cmd = CommandType.SEL1R
elif cmd == CommandType.ANTI1G:
extra_param = struct.extra()
uid = extra_param[0:4]
self._uid.extend(uid)
next_cmd = CommandType.SEL1R
elif cmd == CommandType.SEL1U:
next_cmd = CommandType.ANTI2R
elif cmd == CommandType.SEL1K:
next_cmd = CommandType.AUTHA
self._auth_addr = 0x3C
self._cur_addr = 0x3F
extra_param = [self._auth_addr]
elif cmd == CommandType.ANTI2T:
extra_param = struct.extra()
uid = extra_param[0:4]
self._uid.extend(uid)
next_cmd = CommandType.SEL2R
elif cmd == CommandType.RANDTA:
extra_param.extend(self._random.get_next())
c = cipher(self._key)
uid_bits = Convert.to_bit_ar(self._uid)
nonce_bits = Convert.to_bit_ar(struct.extra())
c.set_tag_bits(uid_bits, nonce_bits, 0)
extra_param.extend(c.get_ar())
next_cmd = CommandType.RANDRB
elif cmd == CommandType.RANDTB:
next_cmd = CommandType.READR
extra_param = [self._cur_addr]
elif cmd == CommandType.SEL2T:
next_cmd = CommandType.READR
self._cur_addr = 0x00
extra_param = [self._cur_addr]
elif cmd == CommandType.READT:
addr = self._cur_addr
if self._tag_type == TagType.ULTRALIGHT:
if addr > 0x08:
next_cmd = CommandType.HALT
else:
addr += 0x04
next_cmd = CommandType.READR
extra_param = [addr]
elif self._tag_type == TagType.CLASSIC1K:
if addr % 4 == 0:
if addr == 0:
next_cmd == CommandType.HALT
else:
next_cmd = CommandType.AUTHA
addr -= 1
self._auth_addr -= 0x04
extra_param = [self._auth_addr]
else:
addr -= 1
next_cmd = CommandType.READR
extra_param = [addr]
self._cur_addr = addr
else:
print "ERROR, Unexpected command!!"
ret = self._handle_next(next_cmd, extra_param)
return ret
class Reader:
def __init__(self, callback=None, rands=None, keya=None, keyb=None):
self._callback = callback if callback else self._display
self._encoder = None
self._random = Rand(rands)
self._keya = keya
self._keyb = keyb
self._key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
] if not self._keya else self._keya
self._reset_tag()
self._encode = None
def _display(self, bits, finished=False):
print bits, finished
def _reset_tag(self):
self._uid = []
self._tag_type = None
self._encryption = None
self._readaddr = 0
self._cur_addr = 0
self._auth_addr = 0
self._random.reset()
def _handle_next(self, cmd, extra):
struct = CommandStructure.encode_command(cmd, extra)
print "READER OUTGOING"
struct.display()
if cmd == CommandType.HALT:
self._reset_tag()
all_bits = Convert.to_bit_ar(struct.all_bytes(), True)
if self._encode:
all_bits = self._encode(all_bits, cmd)
#print all_bits
self._callback(all_bits, cmd == CommandType.HALT)
return (cmd, struct)
def set_encoder(self, encode):
self._encode = encode
def process_packet(self, cmd, struct):
if cmd.packet_type() != PacketType.TAG_TO_READER:
return None
print "READER INCOMING"
struct.display()
next_cmd = CommandType.HALT
extra_param = []
if cmd == CommandType.ATQAUL:
self._tag_type = TagType.ULTRALIGHT
next_cmd = CommandType.ANTI1R
elif cmd == CommandType.ATQA1K:
self._tag_type = TagType.CLASSIC1K
next_cmd = CommandType.ANTI1R
elif cmd == CommandType.ATQA4K:
self._tag_type = TagType.CLASSIC4K
#next_cmd = CommandType.ANTI1R
next_cmd = CommandType.HALT # don't have access to this, but similar to 1k
elif cmd == CommandType.ATQADS:
self._tag_type = TagType.DESFIRE
next_cmd = CommandType.HALT # can't handle this
elif cmd == CommandType.ANTI1U:
extra_param = [0x88] + struct.extra()
uid = extra_param[1:4] # should check tag type...
self._uid.extend(uid)
next_cmd = CommandType.SEL1R
elif cmd == CommandType.ANTI1G:
extra_param = struct.extra()
uid = extra_param[0:4]
self._uid.extend(uid)
next_cmd = CommandType.SEL1R
elif cmd == CommandType.SEL1U:
next_cmd = CommandType.ANTI2R
elif cmd == CommandType.SEL1K:
next_cmd = CommandType.AUTHA
self._auth_addr = 0x3C
self._cur_addr = 0x3F
extra_param = [self._auth_addr]
elif cmd == CommandType.ANTI2T:
extra_param = struct.extra()
uid = extra_param[0:4]
self._uid.extend(uid)
next_cmd = CommandType.SEL2R
elif cmd == CommandType.RANDTA:
extra_param.extend(self._random.get_next())
c = cipher(self._key)
uid_bits = Convert.to_bit_ar(self._uid)
nonce_bits = Convert.to_bit_ar(struct.extra())
c.set_tag_bits(uid_bits, nonce_bits, 0)
extra_param.extend(c.get_ar())
next_cmd = CommandType.RANDRB
elif cmd == CommandType.RANDTB:
next_cmd = CommandType.READR
extra_param = [self._cur_addr]
elif cmd == CommandType.SEL2T:
next_cmd = CommandType.READR
self._cur_addr = 0x00
extra_param = [self._cur_addr]
elif cmd == CommandType.READT:
addr = self._cur_addr
if self._tag_type == TagType.ULTRALIGHT:
if addr > 0x08:
next_cmd = CommandType.HALT
else:
addr += 0x04
next_cmd = CommandType.READR
extra_param = [addr]
elif self._tag_type == TagType.CLASSIC1K:
if addr % 4 == 0:
if addr == 0:
next_cmd == CommandType.HALT
else:
next_cmd = CommandType.AUTHA
addr -= 1
self._auth_addr -= 0x04
extra_param = [self._auth_addr]
else:
addr -= 1
next_cmd = CommandType.READR
extra_param = [addr]
self._cur_addr = addr
else:
print "ERROR, Unexpected command!!"
ret = self._handle_next(next_cmd, extra_param)
return ret
from ui import Ui
def decrypt(text, key):
print(text)
sm_decryp = sm.decrypting(text, key)
print(sm_decryp)
#
print('crypt_chan v0.0.1')
print('для расшифровки напишите decrypt')
print('для засшифровки напишите crypt')
#
random_key = Rand()
key = random_key.randomString()
#
usr = Ui(key)
usr_inp = usr.input_ask()
usr_ask = usr.rand_key(key)
#
sm = SecretMessage(usr_inp, key)
sm_encryp = sm.encrypting(usr_inp, key)
sm_encryp_str = str(sm_encryp)
#print(sm_encryp_str[2:-1]) fix
def create_rand():
from rand import Rand
rnd = Rand(seed=28)
return rnd
def create_rand():
rand = Rand(seed=28)
return rand