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Script for searching passwords in Pwned Passwords database from haveibeenpwned.com
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#!/usr/bin/python | |
import os | |
import hashlib | |
mypasswords = [ | |
"doors", | |
"d00rs", | |
"Morrison", | |
"Hotel" | |
] | |
pwned_passwords_files = [ | |
"pwned-passwords-update-1.txt", | |
"pwned-passwords-update-2.txt", | |
"pwned-passwords-1.0.txt" | |
] | |
def getFileSize(filename): | |
return os.path.getsize(filename) | |
def getLineLength(filename): | |
with open(filename, "r") as file: | |
line = file.readline() | |
return file.tell() | |
def searchForPass(password): | |
pass_hash = hashlib.sha1(password).hexdigest().upper() | |
print("\nSearching for SHA1 hash: %s" % pass_hash) | |
for password_file in pwned_passwords_files: | |
print("Searching in: %s" % password_file) | |
filesize = getFileSize(password_file) | |
line_length = getLineLength(password_file) | |
line_number = filesize / line_length | |
# print("File size is: %s bytes, line length is %s bytes, line number is %s" % (filesize, line_length, line_number)) | |
pos_from = 0 | |
pos_to = line_number | |
with open(password_file, "r") as file: | |
while True: | |
current_pos = (pos_to + pos_from) / 2 | |
file.seek(current_pos * line_length) | |
line = file.readline() | |
pwned_hash = line.strip() | |
# print("Go to %s line %s" % (pwned_hash, current_pos)) | |
if pwned_hash == pass_hash: | |
print("Found: '%s' as %s" % (password, pwned_hash)) | |
return | |
if abs(pos_to - pos_from) < 1: | |
break | |
if pwned_hash < pass_hash: | |
pos_from = current_pos | |
if abs(pos_to - pos_from) <= 1: | |
pos_from = pos_to | |
else: | |
pos_to = current_pos | |
if abs(pos_to - pos_from) <= 1: | |
pos_to = pos_from | |
print("Not found, all clear!") | |
for pwd in mypasswords: | |
searchForPass(pwd) |
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