MD5-Password-cracker

Program written for the course "Operating Systems" at the Wroclaw University of Science and Technology

Table of contents

• Summary
• Tech stack

Summary

The programme was created to learn multithreaded programming in the POSIX standard. Password craker was designed to search all hashed passwords by MD5 algorithm.

Tech stack

• C
• pthread (POSIX thread)
• openssl

Before start

To use this program you need to files in the specific format - see /test folder

• data_base - file contains (MD5 hash, mail and username)
• dictionary - potencial passwords (typical passwords like: flower)

This program will check all posible potencial passwords in original form and also:

• its uppercase format
• its first uppercase letter
• numerical preffixes and suffiexs
• and combinations of these three things

How to use

First you need to compile app:

$ make

Then run the app by following formula:

$ ./MD5cracker <data_base_file> <dictionary_file>