'm': (3, 4),
'n': (3, 5),
'o': (4, 0),
'p': (4, 1),
'q': (4, 2),
'r': (4, 3),
's': (4, 4),
't': (4, 5),
'u': (5, 0),
'v': (5, 1),
'w': (5, 2),
'x': (5, 3),
'y': (6, 0),
'z': (6, 1)}
R_MAP = utils.revert_dict(MAP)
# To allow easy change of chars if needed...
CHAR1 = "—"
CHAR2 = "|"
def code_to_chinese(code):
return "".join([CHAR1] * code[0] + [CHAR2] * code[1])
def code_to_samurai(code):
return "".join([CHAR2] * code[0] + [CHAR1] * code[1])
'1': "⋅|⋅|||",
'2': "⋅||⋅||",
'3': "⋅|||⋅|",
'4': "|⋅⋅|||",
'5': "|⋅|⋅||",
'6': "|⋅||⋅|",
'7': "||⋅⋅||",
'8': "||⋅|⋅|",
'9': "|||⋅⋅|"
}
# Cyphering dict, "classical" method (spaces instead of points).
C_MAP = {k: v.replace('⋅', ' ') for k, v in O_MAP.items()}
# Decyphering dict, "original" method.
RO_MAP = utils.revert_dict(O_MAP)
# Decyphering dict, "classical" method.
RC_MAP = utils.revert_dict(C_MAP)
def do_cypher(text, m_org=True, m_cls=False, o_stght=True, o_rev=False):
"""Function to convert some text to postal barcode.
Returns a list of 1 to 4 str, based on options' values:
[org, reversed_org, cls, reversed_cls].
"""
ret = []
if m_org:
if o_stght:
ret.append(" ".join((O_MAP[n] for n in text)))
if o_rev:
'o': '666',
'p': '7',
'q': '77',
'r': '777',
's': '7777',
't': '8',
'u': '88',
'v': '888',
'w': '9',
'x': '99',
'y': '999',
'z': '9999',
' ': '0'
}
R_MAP = utils.revert_dict(MAP)
#############################################################################
def do_cypher(text):
"""Cypher text with codeABC allowed chars: [a..z] + space."""
return ' '.join([MAP[c] for c in text])
def cypher(text):
"""Wrapper around do_cypher, making some checks."""
import string
if not text:
raise Exception("No text given!")
# Check for unallowed chars…
c_text = set(text)
class BrainFuck():
"""
"""
# Opcodes
# XXX Eventhough this is probably not compliant with the SegFaultProg
# standard, <v> values maybe be any positive integer, not only
# 8 bits ones.
# NOP = 0 # No operation, does nothing.
PTRINC = 1 # Increment cell pointer by <v>, up to MAXCELLS.
PTRDEC = 2 # Decrement cell pointer by <v>, up to first cell.
PTRSET = 3 # Set cell pointer to <v>, between [0..MAXCELLS].
INC = 20 # Increment cell value by <v> (8bits, cyclic).
DEC = 21 # Decrement cell value by <v> (8bits, cyclic).
# Opening brace, skip to matching closing brace if current cell is NULL.
BOPEN = 30
# Closing brace, back to matching opening brace if current cell is not
# NULL.
BCLOSE = 31
OUTPUT = 40 # Output cell value.
INPUT = 41 # Set cell value with input.
# Misc
MAXCELLS = 100000 # Max number of cells.
# Conversion mappings.
CONVERT_FUNCS = {}
TO_BRAINFUCK = {PTRINC: '>',
PTRDEC: '<',
INC: '+',
DEC: '-',
BOPEN: '[',
BCLOSE: ']',
OUTPUT: '.',
INPUT: ','}
FROM_BRAINFUCK = utils.revert_dict(TO_BRAINFUCK)
# Fast ook, in fact...
TO_OOK = {PTRINC: '.?',
PTRDEC: '?.',
INC: '..',
DEC: '!!',
BOPEN: '!?',
BCLOSE: '?!',
OUTPUT: '!.',
INPUT: '.!'}
FROM_OOK = utils.revert_dict(TO_OOK)
TO_SPOON = {PTRINC: '010',
PTRDEC: '011',
INC: '1',
DEC: '000',
BOPEN: '00100',
BCLOSE: '0011',
OUTPUT: '001010',
INPUT: '0010110'}
FROM_SPOON = utils.revert_dict(TO_SPOON)
TO_SIGSEV = {PTRINC: '>',
PTRDEC: '<',
PTRSET: '*',
INC: '+',
DEC: '-',
BOPEN: '[',
BCLOSE: ']',
OUTPUT: '.',
INPUT: ','}
FROM_SIGSEV = utils.revert_dict(TO_SIGSEV)
###########################################################################
def __init__(self, inpt=input, outpt=print, seed=None):
self.input = inpt
self.output = outpt
self.seed = seed
pass
def reset_random(self):
"""Reset random generator."""
if self.seed:
random.seed(self.seed)
else:
random.seed()
###########################################################################
# Core code.
# XXX Using instance vars here, as it might help debugging?
###########################################################################
def prepare(self, code):
"""Convert code to machine, and validate the final code."""
tp = detect_type(code)
code = self.optimize(self.CONVERT_FUNCS[tp][0](self, code))
return code
def buildbracemap(self, code):
"""Build the matching braces map of given machine code."""
open_braces = []
bracemap = {}
codeptr = 0
for codeptr, opc in enumerate(code):
opc = opc[0] # Get opcode!
if opc == self.BOPEN:
open_braces.append(codeptr)
elif opc == self.BCLOSE:
bracemap[codeptr] = open_braces[-1]
bracemap[open_braces[-1]] = codeptr
del open_braces[-1]
if open_braces:
raise ValueError("Not enough closing braces (missing {} ones)"
"".format(len(open_braces)))
return bracemap
def evaluate(self, code):
"""
Brainfuck & co virtual machine...
"""
ret = []
# Convert code to machine, and validate.
code = self.prepare(code)
bracemap = self.buildbracemap(code)
max_codeptr = len(code) - 1
cells = []
cellptr = 0
codeptr = 0
while codeptr <= max_codeptr:
cmd, val = code[codeptr]
if cmd == self.PTRINC:
if val is None:
val = 1
cellptr = min(cellptr + val, self.MAXCELLS - 1)
if cellptr >= len(cells):
cells += [0] * (cellptr - len(cells) + 1)
elif cmd == self.PTRDEC:
if val is None:
val = 1
cellptr = max(0, cellptr - val)
elif cmd == self.PTRSET:
# XXX Do nothing if no value given!
if val is not None:
cellptr = max(0, min(val, self.MAXCELLS - 1))
if cellptr >= len(cells):
cells += [0] * (cellptr - len(cells) + 1)
elif cmd == self.INC:
if val is None:
val = 1
cells[cellptr] = (cells[cellptr] + val) % 255
elif cmd == self.DEC:
if val is None:
val = 1
cells[cellptr] = (cells[cellptr] - val) % 255
elif cmd == self.BOPEN and cells[cellptr] == 0:
codeptr = bracemap[codeptr]
elif cmd == self.BCLOSE and cells[cellptr] != 0:
codeptr = bracemap[codeptr]
elif cmd == self.OUTPUT:
self.output(cells[cellptr])
elif cmd == self.INPUT:
inpt = self.input()
if inpt:
# XXX If user can input non-ascii chars, this can raise
# an exception... Might need better way to do this.
cells[cellptr] = ord(inpt[0].encode('ascii'))
codeptr += 1
###########################################################################
def optimize(self, code, compress=True):
"""
Optimize opcode (using SegFaultProg features).
In other words, produce an opcode with values as often as possible,
gathering together similar (compatible) opcodes.
If compress is True, will call compress_cells on optimized code.
"""
# Compatible opcodes...
_compat_ptr = {self.PTRINC, self.PTRDEC, self.PTRSET}
_compat_val = {self.INC, self.DEC}
_compat = _compat_ptr | _compat_val
_op_inc = {self.PTRINC, self.INC}
_op_dec = {self.PTRDEC, self.DEC}
_op_set = {self.PTRSET}
ret = []
org_ptr = new_ptr = 0
dlt = 0
curr_cat = set()
for opc, val in code:
# If we have to finish the current set of opcodes.
if curr_cat and opc not in curr_cat:
# Else, if we have to first finalize the previous set of
# pointer opcodes.
if curr_cat == _compat_ptr:
new_ptr += dlt
if new_ptr != org_ptr:
new_ptr = org_ptr = min(max(0, new_ptr),
self.MAXCELLS - 1)
ret.append((self.PTRSET, org_ptr))
curr_cat = set()
# Else, if we have to first finalize the previous set of
# value opcodes.
elif curr_cat == _compat_val:
if dlt:
dlt = int((abs(dlt) % 255) * (dlt / abs(dlt)))
if dlt > 0:
ret.append((self.INC, dlt))
elif dlt < 0:
ret.append((self.DEC, -dlt))
curr_cat = set()
# If we remain in a same category of opcodes, or have to start
# a new one...
if opc in curr_cat or opc in _compat:
if not curr_cat:
if opc in _compat_ptr:
curr_cat = _compat_ptr
elif opc in _compat_val:
curr_cat = _compat_val
dlt = 0
if opc in _op_set and val is not None:
new_ptr = val
dlt = 0
elif opc in _op_inc:
if val == None:
val = 1
dlt += val
elif opc in _op_dec:
if val == None:
val = 1
dlt -= val
# Else, single op...
else:
ret.append((opc, val)) # XXX val should always be None here...
if compress:
ret = self.compress_cells(ret)
return ret
def compress_cells(self, code):
"""
Moves all used cells as near as possible to first (0) one.
Can reduce quite higly Brainfuck & co code length!
"""
ret = []
cells = {}
curr_ptr = 0
new_ptr = 0
_opptr = {self.PTRINC, self.PTRDEC, self.PTRSET}
in_ptr_op = True # We are at cell 0 at the begining, so...
for opc, val in code:
if opc not in _opptr:
if in_ptr_op:
if curr_ptr not in cells:
cells[curr_ptr] = new_ptr
new_ptr += 1
ret.append((self.PTRSET, cells[curr_ptr]))
in_ptr_op = False
ret.append((opc, val))
else:
if opc == self.PTRSET:
curr_ptr = val
elif opc == self.PTRINC:
curr_ptr = min(curr_ptr + val, self.MAXCELLS)
elif opc == self.PTRDEC:
curr_ptr = max(curr_ptr - val, 0)
in_ptr_op = True
return ret
def no_values(self, code):
"""
Move back opcode to be directly usable by Brainfuck & co.
In other words, produce an opcode without any values (all are None).
And obviously, no PTRSET either!
"""
ret = []
ptr = 0
for opc, val in code:
if opc == self.PTRSET:
if val is None:
continue # "Error", ignore.
delta = val - ptr
if delta > 0:
ret += [(self.PTRINC, None)] * delta
elif delta < 0:
ret += [(self.PTRDEC, None)] * -delta
ptr = val
continue
if val is None:
val = 1
if opc == self.PTRINC:
ptr += val
elif opc == self.PTRDEC:
ptr -= val
ret += [(opc, None)] * val
return ret
def obfuscate(self, code, factor):
"""
Randomly obfuscate the given opcode by given factor.
code is assumed optimized.
factor is a multiplicating factor for the number of opcodes to produce.
E.g. if you have an input code of 10 opcodes, and a factor of 3, you’ll
get 30 opcodes as ouput.
Note: It’s the caller responsability to handle random generator reset,
if needed.
Note: Number of opcodes applies directly to SegFaultProg, but not to
Brainfuck and co (will be much more longer).
"""
# We work in two passes: one to "parse" the code and detect points
# where we have to "nullify" obfuscation effects on some cells, and
# The other where we really generate the obfs code.
cell_ptr = 0
# First pass.
# key: opcode ptr, value: cell(s) to reset, with for each cell, wether
# to really reset value, or just mark it as
# reset.
null_points = {}
in_loop = 0
# We need to reset all cells involved in a loop, before it starts, and
# after each run, else things are un-manageable!
# Level 0 is main program, no need to fill it currently.
lstack = [(0, {})]
def _null_point(null_points, idx, ptr, do):
if idx in null_points:
null_points[idx].append((ptr, do))
else:
null_points[idx] = [(ptr, do)]
for idx, opc_val in enumerate(code):
opc, val = opc_val
if opc == self.OUTPUT:
_null_point(null_points, idx, cell_ptr, True)
elif opc == self.INPUT:
# No need to effectively reset the cell value here!
_null_point(null_points, idx, cell_ptr, False)
elif opc == self.BOPEN:
in_loop += 1
lstack.append((idx, {cell_ptr}))
elif opc == self.BCLOSE:
init_idx, cells = lstack[in_loop]
for c in cells:
_null_point(null_points, init_idx, c, True)
_null_point(null_points, idx, c, True)
del lstack[in_loop]
in_loop -= 1
elif opc == self.PTRSET:
cell_ptr = val
elif opc == self.PTRINC:
cell_ptr = min(self.MAXCELLS - 1, cell_ptr + val)
elif opc == self.PTRDEC:
cell_ptr = max(0, cell_ptr - val)
elif opc in {self.INC, self.DEC} and in_loop:
# In loops, we have to systematically reset values before
# modifying them, as we don’t know how much times the
# obfuscating code affecting it is run...
lstack[in_loop][1].add(cell_ptr)
# Second pass.
# This is a map of used cells, to control their modifications in
# obfuscation process.
cells = {}
cell_ptr = 0
factor -= 1
if not factor:
return code
if code[0][0] not in {self.PTRSET, self.PTRINC, self.PTRDEC}:
cells[0] = 0
curr_nbr = factor
ret = []
for idx, opc_val in enumerate(code):
opc, val = opc_val
obfs, nbr_done = self.rand_null_opcode(cells, cell_ptr, curr_nbr)
ret += obfs
# If needed, reset the needed cell(s).
tmp_ptr = cell_ptr
for ptr, do in null_points.get(idx, []):
if do and ptr in cells and cells[ptr]:
if ptr != tmp_ptr:
ret.append((self.PTRSET, ptr))
tmp_ptr = ptr
nbr_done += 1
if cells[ptr] > 127:
ret.append((self.INC, 255 - cells[ptr]))
else:
ret.append((self.DEC, cells[ptr]))
nbr_done += 1
cells[ptr] = 0
# update current cell pointer, if needed!
if opc == self.PTRSET:
cell_ptr = val
elif opc == self.PTRINC:
cell_ptr = min(self.MAXCELLS - 1, cell_ptr + val)
elif opc == self.PTRDEC:
cell_ptr = max(0, cell_ptr - val)
elif tmp_ptr != cell_ptr:
ret.append((self.PTRSET, cell_ptr))
nbr_done += 1
ret.append((opc, val))
curr_nbr += factor - nbr_done
return ret
def rand_null_opcode(self, cells, org_ptr, nbr):
"""
Generate some amount of opcode that does nothing!
"""
# Avoid too big changes, would be over-verbose in Brainfuck & co.
MAX_PTRSHIFT = 10
MAX_VALSHIFT = 10
# Randomize length of nop code.
nbr = int(random.uniform(nbr * 0.5, nbr * 1.5))
curr_ptr = org_ptr
# We need at least two opcodes for obfuscation.
if nbr < 2:
return ([], 0)
ret = []
n = 0
# We keep the last two opcodes to reset (cell pointer and/or value).
while n < nbr - 1:
# 3/10 to change current value, 1/10 to make a dummy loop (if
# possible), 6/10 to change current pointer (cell).
r = random.randint(1, 10)
if r < 3:
# Random value change.
dlt = random.randint(0, MAX_VALSHIFT)
if random.randint(0, 1):
ret.append((self.INC, dlt))
cells[curr_ptr] = (cells.get(curr_ptr, 0) + dlt) % 255
else:
ret.append((self.DEC, dlt))
cells[curr_ptr] = (cells.get(curr_ptr, 0) - dlt) % 255
n += 1
elif r > 4:
curr_ptr = random.randint(max(0, curr_ptr - MAX_PTRSHIFT),
min(self.MAXCELLS - 1,
curr_ptr + MAX_PTRSHIFT))
ret.append((self.PTRSET, curr_ptr))
n += 1
elif n > 4 and curr_ptr not in cells: # Only affect unsed cells!
# Simple dummy loop reseting cell to zero, for now...
if random.randint(0, 1):
ret += [(self.BOPEN, None), (self.INC, None),
(self.BCLOSE, None)]
else:
ret += [(self.BOPEN, None), (self.DEC, None),
(self.BCLOSE, None)]
n += 3
# Finalize NOP code by returning to org_ptr cell (if needed).
if curr_ptr != org_ptr:
ret.append((self.PTRSET, org_ptr))
n += 1
return (ret, n)
def convert(self, code, target, factor=1.0):
"""
Convert some (textual form of) language to another one.
Note that the ouput form is by default optimized, use the factor option
if you want some obfuscation (see obfuscate() doc).
"""
tp = detect_type(code)
code = self.optimize(self.CONVERT_FUNCS[tp][0](self, code))
self.reset_random()
return self.CONVERT_FUNCS[target][1](self,
self.obfuscate(code, factor))
def bytes_to_opcode(self, bytes):
"""
Convert a sequence of bytes into some (relatively optimized) opcode.
Rough algo is that:
* Find out all bytes (values) that are higly used. They will get
“constant” cells.
* Find out all other “blocks” of power-of-2 continuous values
which contain some used bytes (values).
E.g. if we have values 33, 64, 196, 178, 179, 222, and 33 and 196 are
highly used, we’ll have:
* cell 0 used as counter for loop which will init var cells.
* a loop to init cell 1 (64), cell 2 (176), and cell 3 (208),
provided we use at most 16 blocks (cells) for vars.
* A static init of cell 4 to 33, and cell 5 to 196.
Then it’s just a matter off going forth and back between defined
cells, adjusting variable ones as needed, and ouputting values!
"""
# Threshold under which a byte is common enough to get its own
# "constant" cell.
# XXX Seems that option is not really usefull, as it tend to
# produce longer code when not zero...
CONST_T = 0
# Number of variable cells, for other bytes values.
# Must be a power of two, up to 256.
BLOCKS = 32
STEP = 256 // BLOCKS
nbr = [0] * 256
ln_bytes = 0
for b in bytes:
nbr[b] += 1
ln_bytes += 1
# Find out bytes common enough to get a "const" cell for them own.
consts = {}
# Temp cell pointer, need to later offset all constant ones by the
# room taken by variable ones.
cell_ptr = 0
for c, n in enumerate(nbr):
if n and ln_bytes / n < CONST_T:
consts[c] = cell_ptr
cell_ptr += 1
nbr[c] = 0 # We do not need this value anymore.
# Now, find out the blocks we can avoid to init (i.e. those for wich
# all values in nbr are 0).
cell_ptr = 1 # We need the first cell as loop controller!
var = {}
var_val = {}
STEP = 256 // BLOCKS
idx = 0
while idx < 256:
if set(nbr[idx:idx + STEP]) != {0}:
var[idx // STEP] = cell_ptr
cell_ptr += 1
var_val[idx // STEP] = idx
idx += STEP
# Now wa can offset constant pointers!
off = len(var) + 1
for c in consts:
consts[c] += off
ret = []
# Let's init our cells (both variable and constant ones).
ret.append((self.INC, STEP))
# Loop to init var cells.
if var:
ret.append((self.BOPEN, None))
idx = 1 # First var cell starts at zero (if needed).
while idx < (256 // STEP):
if idx in var:
ret.append((self.PTRSET, var[idx]))
ret.append((self.INC, idx))
idx += 1
ret.append((self.PTRSET, 0))
ret.append((self.DEC, 1))
ret.append((self.BCLOSE, None))
# End of loop.
# And now, constants (XXX Unordered init, not optimal...).
for c, idx in consts.items():
ret.append((self.PTRSET, idx))
ret.append((self.INC, c))
# And now, we can finally encode our bytes. Note idx is our current
# cell pointer...
cell_ptr = idx
for b in bytes:
if b in consts:
if cell_ptr != consts[b]:
cell_ptr = consts[b]
ret.append((self.PTRSET, cell_ptr))
else:
idx = b // STEP
if cell_ptr != var[idx]:
cell_ptr = var[idx]
ret.append((self.PTRSET, cell_ptr))
if b != var_val[idx]:
dlt = b - var_val[idx]
if dlt > 0:
ret.append((self.INC, dlt))
elif dlt < 0:
ret.append((self.DEC, -dlt))
var_val[idx] = b
ret.append((self.OUTPUT, None))
# And we are done!
return ret
###########################################################################
# Convert functions.
###########################################################################
# BrainFuck code.
def bf2opc(self, code):
"""Convert brainfuck to opcode."""
code = code.replace(' ', '')
return [(self.FROM_BRAINFUCK[opc], None) for opc in code]
def opc2bf(self, code):
"""Convert opcode to brainfuck."""
# Get Brainfuck & co compatible opcode.
code = self.no_values(code)
return "".join((self.TO_BRAINFUCK[opc] for opc, v in code))
CONVERT_FUNCS[BRAINFUCK] = (bf2opc, opc2bf)
# Ook code.
def ook2opc(self, code):
"""Convert ook to opcode."""
# Convert full ook to fast one.
code = code.lower().replace("ook", '')
code = code.replace(' ', '')
return [(self.FROM_OOK[opc], None) for opc in utils.grouper2(code, 2)]
def opc2ook(self, code):
"""Convert opcode to ook (without "Ook" if full is False."""
# Get Brainfuck & co compatible opcode.
code = self.no_values(code)
ret = []
for opc, v in code:
ret += self.TO_OOK[opc]
return " Ook".join(ret).lstrip() # Remove first space...
def opc2fastook(self, code):
"""Convert opcode to ook (without "Ook" if full is False."""
# Get Brainfuck & co compatible opcode.
code = self.no_values(code)
ret = []
for opc, v in code:
ret += self.TO_OOK[opc]
return "".join(ret)
CONVERT_FUNCS[OOK] = (ook2opc, opc2ook)
CONVERT_FUNCS[FASTOOK] = (ook2opc, opc2fastook)
# Spoon code.
def spoon2opc(self, code):
"""Convert spoon to opcode."""
# XXX Seems this code is desinged to be interpreted without any
# separator... Makes it slightly more complex to decode.
# Decypher by checking from longest to shortest opcode!
# First, create an ordered list (from longest to shortest) of tuples
# (opcodes_length, {opcodes}).
_tops = {}
for opcode in self.FROM_SPOON.keys():
if len(opcode) in _tops:
_tops[len(opcode)].add(opcode)
else:
_tops[len(opcode)] = set((opcode,))
_ops = tuple((k, _tops[k]) for k in sorted(_tops.keys(), reverse=True))
# And now, loop over the whole code, trying each time to get the
# longest matching opcode code...
ret = []
code = code.replace(' ', '')
idx = 0
code_ln = len(code)
while idx < code_ln:
for ln, ops in _ops:
ln = min(ln + idx, code_ln)
if code[idx:ln] in ops:
ret.append((self.FROM_SPOON[code[idx:ln]], None))
idx = ln
break
return ret
def opc2spoon(self, code):
"""Convert opcode to spoon."""
# Get Brainfuck & co compatible opcode.
code = self.no_values(code)
return "".join((self.TO_SPOON[opc] for opc, v in code))
CONVERT_FUNCS[SPOON] = (spoon2opc, opc2spoon)
# Sigsev code.
# XXX As SegFaultProg is a bit different, conversion is a bit more complex.
# XXX The description of '[' is a bit fuzzy, here we assume it's the same
# as with brainfuck (i.e. skip if current cell is NULL).
def sigsev2opc(self, code):
"""Convert sigsev to opcode."""
code.replace(' ', '')
opcs = self.FROM_SIGSEV # All valid opcodes.
ret = [] # A list of (opcode, value).
val = None # Default value.
for c in code:
if c in opcs:
if val:
if len(val) == 1 and val in string.ascii_letters:
val = ord(val)
else:
val = int(val)
# Note val is one opcode late, compared to c!
if ret:
ret[-1] = (ret[-1], val)
val = None
ret.append(opcs[c])
else:
val = val + c if val else c
# Append the last value!
if val:
if len(val) == 1 and val in string.ascii_letters:
val = ord(val)
else:
val = int(val)
ret[-1] = (ret[-1], val)
return ret
def opc2sigsev(self, code):
"""Convert opcode to sigsev. This conversion uses random and seed."""
ret = []
self.reset_random()
ptr = 0
for opc, val in code:
# As optimized opcode is supposed to have only PTRSET pointer
# opcodes, we have to randomly convert thoose to PTRINC/PTRDEC
# ones...
# XXX In case we get already obfuscated code, this will decrease
# the usage of PTRSET... Will see whther this is a problem.
# This implies we also have to keep track of current cell pointer.
if opc == self.PTRSET:
if val is None:
continue # "Error", ignore.
if random.randint(0, 1):
dlt = val - ptr
ptr = val
val = abs(dlt)
if dlt >= 0:
opc = self.PTRINC
elif dlt < 0:
opc = self.PTRDEC
else:
ptr = val
ret.append(self.TO_SIGSEV[opc])
# If valid value, add it.
if val is not None:
# Do not print val when 1 and opcode is inc/dec...
if opc != self.PTRSET and val == 1:
continue
# If alpha-compatible value, randomly choose between alpha
# and integer representation.
if chr(val) in string.ascii_letters:
if random.randint(0, 1):
ret[-1] = ret[-1] + chr(val)
else:
ret[-1] = ret[-1] + str(val)
else:
ret[-1] = ret[-1] + str(val)
return "".join(ret)
CONVERT_FUNCS[SIGSEV] = (sigsev2opc, opc2sigsev)
'(': '-.--.',
')': '-.--.-'
}
# ' ': '....'}
# Better to auto-generate that dict from "fast" one!
SI_MAP = {k: _fast_to_standard(v) for k, v in FI_MAP.items()}
_exs = {
'.-.-': '[ÄÆ]',
'.--.-': '[ÅÀ]',
'-.-..': '[ĈÇ]',
'---.': '[ÖØ]',
'..--': '[ÜŬ]'
}
RFI_MAP = utils.revert_dict(FI_MAP, _exs)
_exs = {_fast_to_standard(k): v for k, v in _exs.items()}
RSI_MAP = utils.revert_dict(SI_MAP, _exs)
FW_MAP = {
',': '.-.-.-',
'.': '.-.-..',
'-': '.--.-',
'(': '-.--.-',
')': '.-..-.',
'A': '--.--',
'BA': '-.....',
'BE': '...',
'BI': '--..-..',
'BO': '-....',
'UUH': '116',
'UUO': '118',
'UUP': '115',
'UUQ': '114',
'UUS': '117',
'UUT': '113',
'V': '23',
'W': '74',
'XE': '54',
'Y': '39',
'YB': '70',
'ZN': '30',
'ZR': '40',
' ': ''}
R_MAP = utils.revert_dict(MAP)
def cypher_word(word):
"""Yields all possible cypherings of a word, as tuples
(codes, factor_crypted).
"""
ln_w = len(word)
for grps in utils.all_groups_in_order(word, (1, 2, 3)):
cyphered = 0
y = []
for el in grps:
el = "".join(el)
if el in MAP:
y.append(MAP[el])
cyphered += len(el)
O_MAP = {'0': "⋅⋅||||",
'1': "⋅|⋅|||",
'2': "⋅||⋅||",
'3': "⋅|||⋅|",
'4': "|⋅⋅|||",
'5': "|⋅|⋅||",
'6': "|⋅||⋅|",
'7': "||⋅⋅||",
'8': "||⋅|⋅|",
'9': "|||⋅⋅|"}
# Cyphering dict, "classical" method (spaces instead of points).
C_MAP = {k: v.replace('⋅', ' ') for k, v in O_MAP.items()}
# Decyphering dict, "original" method.
RO_MAP = utils.revert_dict(O_MAP)
# Decyphering dict, "classical" method.
RC_MAP = utils.revert_dict(C_MAP)
def do_cypher(text, m_org=True, m_cls=False, o_stght=True, o_rev=False):
"""Function to convert some text to postal barcode.
Returns a list of 1 to 4 str, based on options' values:
[org, reversed_org, cls, reversed_cls].
"""
ret = []
if m_org:
if o_stght:
ret.append(" ".join((O_MAP[n] for n in text)))
if o_rev:
Licence GPL3
Software distributed on the site: http://thehackademy.fr
Current execution context:
Operating System: {}
Python version: {}
""".format(__version__, __date__, utils.__pf__, utils.__pytver__)
MAP = {k: utils.num_to_base(v, ('A', 'B'), 5)
for v, k in enumerate(string.ascii_lowercase)
if k not in 'jv'}
MAP['j'] = MAP['i']
MAP['v'] = MAP['u']
R_MAP = utils.revert_dict(MAP, exceptions={MAP['i']: '[ij]', MAP['u']: '[uv]'})
def do_cypher(text):
"""
Cypher message to triliteral (with optional base, shift)
'd' --> AAABB
"""
return "".join((MAP[c] for c in text))
def cypher(text):
"""Just a wrapper around do_cypher, with some checks."""
if not text:
raise ValueError("No text given!")
# Check for unallowed chars…
N_DIGITS = {2: 5, 8: 2, 10: 2, 16: 2}
# Mappings, for each base.
MAPS = {}
for b in N_DIGITS.keys():
_b = utils.BASE_DIGITS_ALLOWED[:b]
_l_m = {k: utils.num_to_base(v, _b, N_DIGITS[b]) for k, v in L_MAP.items()}
_s_m = {k: utils.num_to_base(v, _b, N_DIGITS[b]) for k, v in S_MAP.items()}
_m = _l_m.copy()
_m.update(_s_m)
MAPS[b] = {
L_MODE: utils.num_to_base(L_MODE, _b, N_DIGITS[b]),
S_MODE: utils.num_to_base(S_MODE, _b, N_DIGITS[b]),
"MAP": _m,
"RMAP": {
L_MODE: utils.revert_dict(_l_m),
S_MODE: utils.revert_dict(_s_m)
}
}
del _l_m
del _s_m
del _m
__version__ = "0.6.0"
__date__ = "2012/01/24"
__python__ = "3.x" # Required Python version
__about__ = "" \
"""===== About Baudot =====
Baudot allows you to cypher and decypher some text using Baudot codes.
Allowed chars are: lowercase ASCII chars, digits, newlines, and a few others
'n': (3, 5),
'o': (4, 0),
'p': (4, 1),
'q': (4, 2),
'r': (4, 3),
's': (4, 4),
't': (4, 5),
'u': (5, 0),
'v': (5, 1),
'w': (5, 2),
'x': (5, 3),
'y': (6, 0),
'z': (6, 1)
}
R_MAP = utils.revert_dict(MAP)
# To allow easy change of chars if needed...
CHAR1 = "—"
CHAR2 = "|"
def code_to_chinese(code):
return "".join([CHAR1] * code[0] + [CHAR2] * code[1])
def code_to_samurai(code):
return "".join([CHAR2] * code[0] + [CHAR1] * code[1])
def code_to_digits(code):
# Now, create the four bases mappings.
# Number of digits, in each base.
N_DIGITS = {2: 5, 8: 2, 10: 2, 16: 2}
# Mappings, for each base.
MAPS = {}
for b in N_DIGITS.keys():
_b = utils.BASE_DIGITS_ALLOWED[:b]
_l_m = {k: utils.num_to_base(v, _b, N_DIGITS[b]) for k, v in L_MAP.items()}
_s_m = {k: utils.num_to_base(v, _b, N_DIGITS[b]) for k, v in S_MAP.items()}
_m = _l_m.copy()
_m.update(_s_m)
MAPS[b] = {L_MODE: utils.num_to_base(L_MODE, _b, N_DIGITS[b]),
S_MODE: utils.num_to_base(S_MODE, _b, N_DIGITS[b]),
"MAP": _m,
"RMAP": {L_MODE: utils.revert_dict(_l_m),
S_MODE: utils.revert_dict(_s_m)}}
del _l_m
del _s_m
del _m
__version__ = "0.6.0"
__date__ = "2012/01/24"
__python__ = "3.x" # Required Python version
__about__ = "" \
"""===== About Baudot =====
Baudot allows you to cypher and decypher some text using Baudot codes.
Allowed chars are: lowercase ASCII chars, digits, newlines, and a few others
('{}').
Licence GPL3
Software distributed on the site: http://thehackademy.fr
Current execution context:
Operating System: {}
Python version: {}
""".format(__version__, __date__, utils.__pf__, utils.__pytver__)
MAP = {
k: utils.num_to_base(v, ('A', 'B'), 5)
for v, k in enumerate(string.ascii_lowercase) if k not in 'jv'
}
MAP['j'] = MAP['i']
MAP['v'] = MAP['u']
R_MAP = utils.revert_dict(MAP, exceptions={MAP['i']: '[ij]', MAP['u']: '[uv]'})
def do_cypher(text):
"""
Cypher message to triliteral (with optional base, shift)
'd' --> AAABB
"""
return "".join((MAP[c] for c in text))
def cypher(text):
"""Just a wrapper around do_cypher, with some checks."""
if not text:
raise ValueError("No text given!")
# Check for unallowed chars…
'?': '..--..',
';': '-.-.-.',
':': '---...',
'(': '-.--.',
')': '-.--.-'}
# ' ': '....'}
# Better to auto-generate that dict from "fast" one!
SI_MAP = {k: _fast_to_standard(v) for k, v in FI_MAP.items()}
_exs = {'.-.-': '[ÄÆ]',
'.--.-': '[ÅÀ]',
'-.-..': '[ĈÇ]',
'---.': '[ÖØ]',
'..--': '[ÜŬ]'}
RFI_MAP = utils.revert_dict(FI_MAP, _exs)
_exs = {_fast_to_standard(k): v for k, v in _exs.items()}
RSI_MAP = utils.revert_dict(SI_MAP, _exs)
FW_MAP = {',': '.-.-.-',
'.': '.-.-..',
'-': '.--.-',
'(': '-.--.-',
')': '.-..-.',
'A': '--.--',
'BA': '-.....',
'BE': '...',
'BI': '--..-..',
'BO': '-....',
