santa4nt

# -*- coding:utf-8 -*-

"""An algorithm to calculate a hashing schema described in:
https://class.coursera.org/crypto-004/quiz/feedback?submission_id=193325

"""

import io
import sys
import hashlib

santa4nt

from Crypto.Cipher import AES, XOR  # from pycrypto library (https://www.dlitz.net/software/pycrypto/)


block_size = AES.block_size


def decrypt(key, ciphertext):
    # assume: len(key) == len(IV) == 16 bytes; no padding
    iv = ciphertext[:block_size]
    ciph = ciphertext[block_size:]

santa4nt

from Crypto.Cipher import AES, XOR  # from pycrypto library (https://www.dlitz.net/software/pycrypto/)


block_size = AES.block_size


def decrypt(key, ciphertext):
    # assume: len(key) == 16 bytes; PKCS5 padding scheme; len(IV) == 16 bytes
    iv = ciphertext[:block_size]
    ciph = ciphertext[block_size:]

santa4nt

from scapy.all import *

# XXX: make sure conf.route6 includes the target IPv6 address in its route table;
#      you can do so by first calling ping6 so that a neighbor solicitation is done

sip = 'fe80::20c:29ff:fe67:22c2'
dip = 'fe80::700d:da7e:80bb:aca9'
packets = fragment6(IPv6(src=sip, dst=dip) / IPv6ExtHdrFragment() / ICMPv6EchoRequest(data='A'*5000), 1024)
send(packets)

santa4nt

from ctypes import *
from ctypes.wintypes import *

class SYSTEMTIME(Structure):
    """See: WinBase.h"""

    _fields_ = [
        ('wYear',               WORD),
        ('wMonth',              WORD),
        ('wDayOfWeek',          WORD),

santa4nt

def check(attr):
    def _check_fn(fn):
        """Use this function as a method decorator. When decorated with this, a
        method will only execute its body when its associated object's attribute
        is defined (evaluates to True).

        """
        def meth(self, *args, **kwargs):
            if getattr(self, attr, None):
                return fn(self, *args, **kwargs)

santa4nt

#!/usr/bin/env python

import unittest


class TestMaker(type):
    """For a class to assign its __metaclass__ to this type, the class
    creation will look for methods that are prefixed with '_test{name}'.
    The method is assumed to take two arguments (self and a boolean).
    From that, two methods will be dynamically generated, with the names

santa4nt

# -*- coding: utf-8 -*-

"""A module that defines metaclasses for slotted "info" data types.

"""


class InfoMeta(type):
    """A metaclass for classes that declaratively defines fields in
    advance.

santa4nt

# -*- coding: utf-8 -*-

"""A thread pool implementation.

Parts of this module are derived from:
    http://code.activestate.com/recipes/203871-a-generic-programming-thread-pool/

"""

import time

santa4nt

call :sleep %~1

goto:eof

:: -----------------------------------------------------------------------------

:sleep
ping 127.1 -n 2 -w 1000 > NUL
ping 127.1 -n %~1 -w 1000 > NUL
goto:eof