Python utils.hexdump函数代码示例

 def cmd_fancy(self, *args):
     "Parse a fancy APDU and print the result"
     apdu = utils.C_APDU.parse_fancy(*args)
     data = apdu.render()
     if hasattr(self, "card"):
         self.card.last_result = utils.R_APDU(data+"\x00\x00")
     print utils.hexdump(data)

def parse_file(fname):
    fp = file(fname)
    
    in_block = False
    is_rfid = False
    line_no = 0
    direction = 0
    data = []
    last_was_transfer_buffer = False
    
    for line in fp.readlines():
        if not in_block:
            if last_was_transfer_buffer:
                parts = line.split(":")
                if parts[0] == "    00000000":
                    if parts[1][:3] == " 6f":
                        in_block = True
                        direction = 0
                        line_no = 0
                        is_rfid = False
                        data = []
                    elif parts[1][:3] == " 80":
                        in_block = True
                        direction = 1
                        line_no = 0
                        is_rfid = False
                        data = []
                    elif parts[1][:3] == " 6b":
                        in_block = True
                        direction = 0
                        line_no = 0
                        is_rfid = True
                        data = []
                    elif parts[1][:3] == " 83":
                        in_block = True
                        direction = 1
                        line_no = 0
                        is_rfid = True
                        data = []
            if in_block and (not is_rfid or line_no > 0):
                data = [ parts[1][31:] ]
        else:
            if not ":" in line:
                in_block = False
                data_binary = binascii.a2b_hex("".join("".join(data).split()))
                if not is_rfid:
                    print (direction and "<< " or ">> ") + utils.hexdump(data_binary, indent=3)
                    if direction == 1: print
                elif len("".join(data).strip()) > (direction == 0 and 8 or 2) and data_binary not in ("\x00"*5, "\x70\x08\x35\x2d\x66\x76", "\x43\x4f\x53\x73\x01\x02\x01"):
                    print (direction and "лл " or "╗╗ ") + utils.hexdump(data_binary, indent=3)
                    if direction == 1: print
            else:
                line_no = line_no + 1
                if (not is_rfid or line_no > 1):
                    data.append( line.split(":")[1] )
                elif is_rfid and line_no == 1:
                    data.append( line.split(":")[1][6:] )
        
        last_was_transfer_buffer = "TransferBufferMDL" in line

    def handle_read(self):
        read = self.recv(4096)
        if debug == 1 or debug == 4 or debug == 5:
            print (term.render("    ${BOLD}${CYAN}Sender: %i bytes read:${NORMAL}") % len(read))
        if debug == 4 or debug >= 5:
            print hexdump(read, indent=True)

        self.receiver.to_remote_buffer += read

 def cmd_pn532(self, *cmd):
     "Transmit a command to the PN532 and receive the response"
     result = self.pn532_transceive(binascii.unhexlify("".join("".join(cmd).split())))
     print utils.hexdump(result.data)
     
     parsed = self.pn532_parse(result.data)
     if len(parsed) > 0:
         print "\n".join(parsed) + "\n"

 def hexdump(self, lfilter=None):
     """Same as nsummary(), except that packets are also hexdumped
     lfilter: a truth function that decides whether a packet must be displayed"""
     for i in range(len(self.res)):
         p = self._elt2pkt(self.res[i])
         if lfilter is not None and not lfilter(p):
             continue
         print "%s %s %s" % (conf.color_theme.id(i, fmt="%04i"), p.sprintf("%.time%"), self._elt2sum(self.res[i]))
         hexdump(p)

 def hexraw(self, lfilter=None):
     """Same as nsummary(), except that if a packet has a Raw layer, it will be hexdumped
     lfilter: a truth function that decides whether a packet must be displayed"""
     for i in range(len(self.res)):
         p = self._elt2pkt(self.res[i])
         if lfilter is not None and not lfilter(p):
             continue
         print "%s %s %s" % (conf.color_theme.id(i, fmt="%04i"), p.sprintf("%.time%"), self._elt2sum(self.res[i]))
         if p.haslayer(conf.raw_layer):
             hexdump(p.getlayer(conf.raw_layer).load)

 def padding(self, lfilter=None):
     """Same as hexraw(), for Padding layer"""
     for i in range(len(self.res)):
         p = self._elt2pkt(self.res[i])
         if p.haslayer(Padding):
             if lfilter is None or lfilter(p):
                 print "%s %s %s" % (conf.color_theme.id(i,fmt="%04i"),
                                     p.sprintf("%.time%"),
                                     self._elt2sum(self.res[i]))
                 hexdump(p.getlayer(Padding).load)

 def padding(self, lfilter=None):
     """Same as hexraw(), for Padding layer"""
     for i in enumerate(self.res):
         p = self._elt2pkt(res)
         if p.haslayer(conf.padding_layer):
             if lfilter is None or lfilter(p):
                 print "%s %s %s" % (conf.color_theme.id(i,fmt="%04i"),
                                     p.sprintf("%.time%"),
                                     self._elt2sum(res))
                 hexdump(p.getlayer(conf.padding_layer).load)

def dump(data):
    print "Dump following (%i bytes)" % (len(data))
    print utils.hexdump(data)
    try:
        print "Trying TLV parse:"
        print TLV_utils.decode(data, tags=card.TLV_OBJECTS, context = card.DEFAULT_CONTEXT)
        print "TLV parsed successfully"
    except (SystemExit, KeyboardInterrupt):
        raise
    except:
        print "TLV error"
        pass

 def nzpadding(self, lfilter=None):
     """Same as padding() but only non null padding"""
     for i in range(len(self.res)):
         p = self._elt2pkt(self.res[i])
         if p.haslayer(Padding):
             pad = p.getlayer(Padding).load
             if pad == pad[0]*len(pad):
                 continue
             if lfilter is None or lfilter(p):
                 print "%s %s %s" % (conf.color_theme.id(i,fmt="%04i"),
                                     p.sprintf("%.time%"),
                                     self._elt2sum(self.res[i]))
                 hexdump(p.getlayer(Padding).load)

 def cmd_enc(self, *args):
     "Encrypt or decrypt with openssl-like interface"
     
     args = list(args)
     
     MODE_DECRYPT = "-d"
     MODE_ENCRYPT = "-e"
     mode = MODE_ENCRYPT
     if "-d" in args:
         mode = MODE_DECRYPT
     
     input = None
     if "-in" in args:
         i = args.index("-in")
         input = args[i+1]
     
     if "-K" not in args:
         raise ValueError, "Must specify key with -K"
     i = args.index("-K")
     key = args[i+1]
     key = binascii.a2b_hex("".join(key.split()))
     
     iv = None
     if "-iv" in args:
         i = args.index("-iv")
         iv = args[i+1]
         iv = binascii.a2b_hex("".join(iv.split()))
     
     cipher = "des"
     if args[0][0] != "-":
         cipher = args[0]
     
     text = None
     if "-text" in args:
         if input is not None:
             raise ValueError, "Can't give -in and -text"
         i = args.index("-text")
         text = binascii.a2b_hex("".join(args[i+1].split()))
     
     if text is None:
         if input is None:
             text = self.card.last_result.data
         else:
             fp = file(input)
             text = fp.read()
             fp.close()
     
     result = crypto_utils.cipher(mode == MODE_ENCRYPT, cipher, key, text, iv)
     
     self.card.last_result = utils.R_APDU(result+"\x00\x00")
     print utils.hexdump(result)

 def _real_send(self, apdu):
     apdu_binary = apdu.render()
     
     if DEBUG:
         print ">> " + utils.hexdump(apdu_binary, indent = 3)
     
     result_binary = self.reader.transceive(apdu_binary)
     result = apdu.RESPONSE_CLASS(result_binary)
     
     self.last_apdu = apdu
     
     if DEBUG:
         print "<< " + utils.hexdump(result_binary, indent = 3)
     return result

def generate_package(bid=0, bulkstate=1, dbg=False):
    # Generate bulk_info array
    bulk_info_array = ""
    for i in range(0, 2):
        bulk_info = init_bulk_info(i, bulkstate)
        bulk_info_array += buffer(bulk_info)[:]

    # Generate botbulk_info
    botbulk_info = init_botbulk_info(1, i+1)

    # Generate bot_rheader
    size = 20 + 8 * botbulk_info.logsize
    bot_rheader = init_bot_rheader(bid, size)

    # Construct data package
    data = buffer(bot_rheader)[:] \
            + pencrypt(buffer(botbulk_info)[:] + bulk_info_array, bot_rheader.size)

    # Print package content
    if dbg:
        cprint("BOT_RHEADER\n", "yellow"); print hexdump(buffer(bot_rheader)[:])
        cprint("BOTBULK_INFO\n", "yellow"); print hexdump(buffer(botbulk_info)[:])
        cprint("BULK_INFO\n", "yellow"); print hexdump(buffer(bulk_info_array)[:])
        cprint("Data Package\n", "yellow"); print hexdump(data)

    return data

 def encrypt_command(self, tlv_data):
     config = self.get_config(SE_APDU, TEMPLATE_CT)
     
     if config.algorithm is None: ## FIXME: Find out the correct way to determine this
         return tlv_data
     
     result = []
     for data in tlv_data:
         tag, length, value, marks = data
         if self.MARK_ENCRYPT in marks and tag not in (0xff, 0x00):
             t = tag & ~(0x01)
             if t == 0x84:
                 value_ = self.pad(value)
                 if generic_card.DEBUG:
                     print "| Tag 0x%02x, length 0x%02x, encrypting (with ISO padding): " % (tag, length)
                     print "|| " + "\n|| ".join( utils.hexdump( value_ ).splitlines() )
                 
                 value = crypto_utils.cipher( True, 
                     self.get_cipherspec(config),
                     self.get_key(config),
                     value_,
                     self.get_iv(config) )
                 
                 if generic_card.DEBUG:
                     print "| Encrypted result of length 0x%02x:" % len(value)
                     print "|| " + "\n|| ".join( utils.hexdump(value).splitlines() )
                     print
             elif t == 0x86:
                 pi = value[0]
                 value_ = self.pad(value[1:], ord(pi))
                 if generic_card.DEBUG:
                     print "| Tag 0x%02x, length 0x%02x, encrypting (with padding type %x): " % (tag, length, ord(pi))
                     print "|| " + "\n|| ".join( utils.hexdump( value_ ).splitlines() )
                 
                 value = pi + crypto_utils.cipher( True,
                     self.get_cipherspec(config),
                     self.get_key(config),
                     value_,
                     self.get_iv(config) )
                 
                 if generic_card.DEBUG:
                     print "| Encrypted result of length 0x%02x:" % len(value)
                     print "|| " + "\n|| ".join( utils.hexdump(value).splitlines() )
                     print
             
             result.append( (tag, length, value) )
         else: # Ignore
             result.append(data[:3])
     
     return result

    def cmd_passive_auth(self, verbose=1):
        "Perform passive authentication"

        hashes = {}
        result = ""
        i = 0
        
        for name in ("DG1",  "DG2",  "SOD"):
            fid = None
            for n, f in self.INTERESTING_FILES:
                if n == name: 
                    fid = f
                    break
            if fid is None:
                return

            i += 1
            result = self.open_file(fid, 0x0c)
            if self.check_sw(result.sw):
                contents, sw = self.read_binary_file()
                #self.last_result = R_APDU(contents + self.last_sw)
                
                if name != "SOD":
                    hashes[i] = crypto_utils.hash("SHA", contents)
                else:
                    result = self.verify_cms(contents[4:])
        
        #print hexdump(result)
        #print "DG1: %s" % hexdump(hashes[i])
        #print "DG2: %s" % hexdump(hashes[2])
        
        res = TLV_utils.tlv_find_tag(TLV_utils.unpack(result), 0x04)
        if len(res) == 0:
            print "failed to verify EF.SOD"
            return
        else:
            print "verified EF.SOD"
            
        i = 0
        for tag, length, hash in res:
            i += 1
            if hexdump(hashes[i]) == hexdump(hash):
                print "DG%d hash verified: %s" % (i, binascii.b2a_hex(hash))
            else:
                print "DG%d hash failed:" % i
                print "was:      %s" % binascii.b2a_hex(hashes[i])
                print "expected: %s" % binascii.b2a_hex(hash)
                return