Files
discretemath-labs/LabPSA_1/birthday_attack.py
2022-11-03 11:42:40 +02:00

26 lines
897 B
Python

import hashlib
import os
import binascii
nr_collisions = 0
hashed_dict = {}
strn_table = {}
n = 1
file = open("results.txt", "w")
while n < 11:
strn = binascii.b2a_hex(os.urandom(16))
hashed_strn = hashlib.md5(strn).hexdigest()
sliced_hash = hashed_strn[:n]
if sliced_hash in hashed_dict:
nr_collisions += 1
x = "----------------------------------------------------------------------------------"
z = "Collision number: " + str(nr_collisions) + " "*n + "Collision: " + str(sliced_hash)
a = "Hashes: " + " "*(n-7) + str(hashed_dict[sliced_hash]) + " " + str(hashed_strn)
b = "Values: " + " "*(n-7) + strn.decode() + " " + strn_table[sliced_hash].decode()
file.write(x + "\n" + z + "\n" + a + "\n" + b + "\n")
n += 1
else:
hashed_dict[sliced_hash] = hashed_strn
strn_table[sliced_hash] = strn
file.close()