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md5_brutus

MD5 Hash generator and cracker by:

  • Sergio Anguita @zerjioang
  • Aitor Brazaola @kronosnhz

This is the project files of subject "Computación de altas prestaciones" of University of Deusto. There are different programs inside of this project based on the technology used in them.

  • Sequential based
  • OpenMP

Under sequential approach are the following ones:

  • Hasher (Based on existing algorithm from the net)
  • Cracker (Developed by our own)

All programs have their own makefile to ease the process of compiling and running except the hasher.

Cracker compilation guidelines

Current section shows compilation guidelines. Follow the next instructions to compile the cracker

TL;DR

Compilation

$ cd cracker\openmp
$ make

Test execution

$ cd cracker\openmp
$ make run

Makefile

There is a makefile defined for easy compilation, but if you are curious, this is what the makefile is doing:

gcc -c crackeromp.c md5_hasher.c md5_hasher.h -fopenmp
gcc crackeromp.o md5_hasher.o -o md5_brutus -fopenmp
clear

Usage

Since this version of the cracker is not using getOps() function is MUST follow the next param order:

 ./md5_brutus <min_length> <max_length> <dedicated_threads> <charset> <hash>

Current charset options are:

  • numeric
  • numeric_space
  • alpha
  • alpha_space

This charsets are defined as:

static const char numeric[] = "0123456789";
static const char numeric_space[] = "0123456789 ";
static const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
static const char alpha_space[] = "abcdefghijklmnopqrstuvwxyz ";

Execution example

Sequential

Sequential with c20ad4d76fe97759aa27a0c99bff6710 as example input and max size 2

./md5_brutus 1 2 numeric c20ad4d76fe97759aa27a0c99bff6710
	execution_path:	./md5_brutus
	min_size:	1
	max_size:	2
	charset:	numeric
	target:	c20ad4d76fe97759aa27a0c99bff6710
	Selected charset by user is numeric
	Selected charset is NUMERIC
		Key min is: 1
		Key max is: 2


	#################
	Password cracked:
	#################

	12

OpenMP

OpenMP with bcfa52b9f7724713a01055f1ccdfbc9d as example input and max

Input

 time ./md5_brutus 5 5 1 alpha bcfa52b9f7724713a01055f1ccdfbc9d

Output

	execution_path:	./md5_brutus
	min_size:	5
	max_size:	5
	threads:	1
	charset:	alpha
	target:	bcfa52b9f7724713a01055f1ccdfbc9d
	Dedicated threads to cracking:	1
		Bruteforce key space:	11881376


	#################
	Password cracked:
	#################


	Attepts: 9092599 	 of 	 11881376
	Password is: txipi


real	0m29.108s
user	0m25.760s
sys	    0m3.324s

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