def decypher(self, ui):
"""Interactive version of decypher()."""
txt = ""
ui.message("===== Decypher Mode =====")
while 1:
txt = ui.text_input("Please choose some numbers text")
# Get codec to use.
options = [(octopus.DEFAULT, "$utf-8", ""),
(octopus.ASCII, "*ascii", ""),
(octopus.EBCDIC, "*ebcdic", ""),
(octopus.ASCII7, "ascii*7 (binary encode over 7 bits "
"only)", ""),
(None, "or specify another *codec", "")]
codec = ui.get_choice("Do you want to use", options,
oneline=True)
if codec is None:
codec = ui.get_data("Type the codec you want to use "
"(e.g. 'latin-9'): ")
# Get base.
options = [(2, "*binary", ""),
(8, "*octal", ""),
(10, "*decimal", ""),
(16, "he*xadecimal", ""),
(None, "or $auto-detect it", "")]
base = ui.get_choice("Do you want to use", options,
oneline=True)
try:
ui.text_output("Data successfully decypherd",
octopus.decypher(txt, codec, base),
"The hidden data is")
except Exception as e:
if utils.DEBUG:
import traceback
traceback.print_tb(sys.exc_info()[2])
ui.message(str(e), level=ui.ERROR)
options = [("redo", "*decypher another data", ""),
("quit", "or go back to *menu", "")]
answ = ui.get_choice("Do you want to", options, oneline=True)
if answ == "quit":
return
def decypher(self, ui):
"""Interactive version of decypher()."""
txt = ""
ui.message("===== Decypher Mode =====")
while 1:
txt = ui.text_input("Please choose some numbers text")
# Get codec to use.
options = [(octopus.DEFAULT, "$utf-8", ""),
(octopus.ASCII, "*ascii", ""),
(octopus.EBCDIC, "*ebcdic", ""),
(octopus.ASCII7, "ascii*7 (binary encode over 7 bits "
"only)", ""), (None, "or specify another *codec", "")]
codec = ui.get_choice("Do you want to use", options, oneline=True)
if codec is None:
codec = ui.get_data("Type the codec you want to use "
"(e.g. 'latin-9'): ")
# Get base.
options = [(2, "*binary", ""), (8, "*octal", ""),
(10, "*decimal", ""), (16, "he*xadecimal", ""),
(None, "or $auto-detect it", "")]
base = ui.get_choice("Do you want to use", options, oneline=True)
try:
ui.text_output("Data successfully decypherd",
octopus.decypher(txt, codec, base),
"The hidden data is")
except Exception as e:
if utils.DEBUG:
import traceback
traceback.print_tb(sys.exc_info()[2])
ui.message(str(e), level=ui.ERROR)
options = [("redo", "*decypher another data", ""),
("quit", "or go back to *menu", "")]
answ = ui.get_choice("Do you want to", options, oneline=True)
if answ == "quit":
return
def demo(self, ui):
ui.message("===== Demo Mode =====")
ui.message("Running a small demo/testing!")
ui.message("--- Encoding ---")
text = "Hello World!"
ui.message("Data to cypher: {}\n".format(text))
ui.message("Octopus cyphered data (binary, octal, decimal and "
"hexadecimal utf-8):\n {}"
"".format("\n ".join(
octopus.cypher(text, bases=(2, 8, 10, 16)))))
ui.message("")
ui.message("--- Decoding ---")
ui.message("+ In general, you can let Octopus find which base is "
"used.")
htext = "127145154143157155145041040040040346254242040350277216041"
ui.message("“Numbers” utf-8 text used as input: {}".format(htext))
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="utf-8")))
ui.message("")
htext = "110001011100001011000011110001001100100111000011"
ui.message("“Numbers” ebcdic text used as input: {}".format(htext))
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="cp500")))
ui.message("")
ui.message("+ The input text to decypher may have space-separated "
"bytes:")
htext = "1001111 1100011 1110100 1101111 1110000 1110101 1110011"
ui.message("“Numbers” ascii-7 text used as input: {}".format(htext))
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="ascii7")))
ui.message("")
ui.message("--- Won’t work ---")
ui.message("+ The input text to decypher must contain only valid "
"digits for the given base:")
htext = "011001010111211101101100015000110110111101101101011a" \
"001010010001"
ui.message("“Numbers” text used as binary input: {}".format(htext))
try:
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="ascii",
base=2)))
except Exception as e:
ui.message(str(e), level=ui.ERROR)
ui.message("")
ui.message("+ The input text to decypher must have an integer number "
"of “bytes” (once spaces have been striped):")
htext = "01100101 0110111 0110110 0110011 0110111 0101101 0110011 " \
"0000001"
ui.message("“Numbers” text used as input: {}".format(htext))
try:
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="ascii",
base=2)))
except Exception as e:
ui.message(str(e), level=ui.ERROR)
ui.message("")
ui.message("+ Auto-detection of the base might fail, especially with "
"short messages. In the example below (decimal EBCDIC), as "
"there are no '8' nor '9', the tool detect it as octal.")
htext = "131136133131146064137163064150164163"
ui.message("“Numbers” EBCDIC text used as input: {}".format(htext))
ui.message("The auto-detected decypherd data is: {}"
"".format(octopus.decypher(htext, codec="cp500")))
ui.message("The decimal decypherd data is: {}"
"".format(octopus.decypher(htext, codec="cp500", base=10)))
ui.message("")
ui.get_choice("", [("", "Go back to $menu", "")], oneline=True)
def demo(self, ui):
ui.message("===== Demo Mode =====")
ui.message("Running a small demo/testing!")
ui.message("--- Encoding ---")
text = "Hello World!"
ui.message("Data to cypher: {}\n".format(text))
ui.message("Octopus cyphered data (binary, octal, decimal and "
"hexadecimal utf-8):\n {}"
"".format("\n ".join(octopus.cypher(text,
bases=(2, 8, 10, 16)))))
ui.message("")
ui.message("--- Decoding ---")
ui.message("+ In general, you can let Octopus find which base is "
"used.")
htext = "127145154143157155145041040040040346254242040350277216041"
ui.message("“Numbers” utf-8 text used as input: {}".format(htext))
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="utf-8")))
ui.message("")
htext = "110001011100001011000011110001001100100111000011"
ui.message("“Numbers” ebcdic text used as input: {}".format(htext))
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="cp500")))
ui.message("")
ui.message("+ The input text to decypher may have space-separated "
"bytes:")
htext = "1001111 1100011 1110100 1101111 1110000 1110101 1110011"
ui.message("“Numbers” ascii-7 text used as input: {}".format(htext))
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="ascii7")))
ui.message("")
ui.message("--- Won’t work ---")
ui.message("+ The input text to decypher must contain only valid "
"digits for the given base:")
htext = "011001010111211101101100015000110110111101101101011a" \
"001010010001"
ui.message("“Numbers” text used as binary input: {}".format(htext))
try:
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="ascii",
base=2)))
except Exception as e:
ui.message(str(e), level=ui.ERROR)
ui.message("")
ui.message("+ The input text to decypher must have an integer number "
"of “bytes” (once spaces have been striped):")
htext = "01100101 0110111 0110110 0110011 0110111 0101101 0110011 " \
"0000001"
ui.message("“Numbers” text used as input: {}".format(htext))
try:
ui.message("The decypherd data is: {}"
"".format(octopus.decypher(htext, codec="ascii",
base=2)))
except Exception as e:
ui.message(str(e), level=ui.ERROR)
ui.message("")
ui.message("+ Auto-detection of the base might fail, especially with "
"short messages. In the example below (decimal EBCDIC), as "
"there are no '8' nor '9', the tool detect it as octal.")
htext = "131136133131146064137163064150164163"
ui.message("“Numbers” EBCDIC text used as input: {}".format(htext))
ui.message("The auto-detected decypherd data is: {}"
"".format(octopus.decypher(htext, codec="cp500")))
ui.message("The decimal decypherd data is: {}"
"".format(octopus.decypher(htext, codec="cp500", base=10)))
ui.message("")
ui.get_choice("", [("", "Go back to $menu", "")], oneline=True)