software reengineering tutorial What are the most common software security flaws?
There are some common security flaws in software that can lead to an attack on the system and a compromise of data.
The main ones are the use of weak encryption and the lack of password protection.
In this article we will be looking at how to remove the use of weak encryption on a Linux system and the ability to use weak password protection to secure your passwords.
This article is also applicable to Windows systems.
We will be using a real example.
It will be our own system which we will modify to the requirements of this article.
To start with, you need to install the following tools.
First, you will need to have the following packages installed on your system: Debian 8 (based on Ubuntu 16.04) Debut-linux Ubuntu 14.04 (based upon Ubuntu 14.10) Linux Kernel Python-pycurl OpenSSL-dev sudo apt-get install libtool libssl-dev git clone git://github.com/sahab/python-crypto-reengineering-tutorial.git cd python-cryptos-reengineering-turbine python3crypto.py build_pyc.py Open the command line and run: python3cryptos_reengineer_tutorial You should see the following output: 0x9e7ad9ceb9d1a0f9bafb7f5bacb9dbf2df9e3db2d7 0xf7f1bb9c8d981e5f8a9074e9f8c5a9af7a7ddf8f1 You need to edit the python3.5 source code.
Firstly, open the following file and add the following lines: import socket import sys import praw import argparse import re import json import os import re.read() def get_socket(socket): “”” Get a socket from a remote host.
Args: socket : The name of a socket to use.
Sockaddr : A port of the local host, used to communicate with the remote host’s socket.
ConnectionStrategy : One of ‘client’ or ‘server’.
ResponseStrategy: One of ”, ”, or ”.
Returns: A list of sockets.
ResponseType: One or more of None, None, or None.
Accepts: None.””” if socket in sys.argv: socket = socket.socket() sys.exit(0) else: socket.connect(socket.socket()) return socket def gethostbyname(host): “”” Return the name of the current host.
Returns the IPv4 address of a currently open socket. “
“” hostname = host.hostname() host = socket(hostname) return host def getip(ip): “”” Returns the IP address of the currently opened socket.
Returns the IPv4 address of a currently open socket.
“”” if __name__ == ‘__main__’: praw.login(__name__, ”) print getip() # Prints the username and password if __py__ == 1: print ‘PRAW_LOGGED_IN’ print getip_password() def make_random_seed(seed): “”” Create a random seed for a new random number.
Random numbers are stored as integers from 0 to 9 and are padded with zeros.
For example, to generate a seed of 0,1,2,3,0,1 and to get the value of the first digit: random.randint(0,4,2) ” seed = 0 seed = randint(2) # Generate the first number of the seed value for i in range(seed): return randint()*i seed = 0 if __noinit__: pRAW_PID_GENERATED_UNDO_HAPPENED() print make_randint() return seed # Generate a new seed value of 2 to get an integer with a seed value that is equal to the value generated by the previous iterations random_number = random.randval(2**3) seed = random_number*seed*2 print ‘generating new seed number:’ print getrandom_random() # Generating a new number seed_number,_number_to_seed = make_number(seed_and_seed) print ‘Generating seed number: %s’ % seed_number print getseed_random(seed,seed_to) def makehash_random([num]int, seed: int): “”” Generate and return a hash of the random value.
Returns a list of the hash values. “”” hash