computer-security-project's Introduction

Computer-Security-Project

Implementation of double bloom filter & password strength

Dependencies for ubuntu18.04:

python version 3.6 (or newer)

$ sudo apt-get update
$ sudo apt-get install -y python3.6
$ sudo apt-get install -y python3-pip

Dependencies for centos7:

$ sudo yum update
$ sudo yum install -y python36-setuptools
$ sudo yum install -y python3-devel
$ sudo easy_install-3.6 pip

extra dependencies

$ sudo pip3 install mmh3
$ sudo pip3 install bitarray

PySimpleGUI

pip3 install pysimplegui

Visualization

In wsl applications X server is required to run on the windows machine. Download can be found here: https://sourceforge.net/projects/xming/ In order to set the display to the right output use the following in the CMD:

export DISPLAY=:0

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computer-security-project's Issues

make exe

implement password strength gui

decide what to do with the test of the previously known dictionary

the one that run the following line:
test_bloom_filter(int(values['-K-']),float(values['-N-']))

show the current bit status of the filter

add collision indication

Indicate the number of collisions, in other words, how many hash functions resulted in values that were already in the filter.

Need to allow collisions only when the filters are full (its open for negotiation, in the old proposal collisions are permitted).
maybe use a popup (PopupOKCancel) in the insertion
Add a test case: Allow simple illustration of getting a "false-positive" by allowing a visual display of a filter with small bit array, such that collision occur quickly.

update the GUI of the bloom filter section

implement penalties

update password check gui

add confirmation popup for reset the filter

show a popup when resetting bloom filter parameters with the inserted parameters.

make sure that N is the size of the bit array
make sure that K is the number of the hash functions to be used by the filter
add the popup (use PopupOKCancel)
Provide sanity check on values of N, K (i.e. that N will not be less than K, that
both are positive integers etc)

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