vskey

overwrite-vskey.py

#!/usr/bin/python2

import binascii
import hashlib

drv='/dev/sdb'
mode='rb+'

sector_size=512
magic_string=r"%@#$*&^!**$#&@^%%@#$*&^!**$#&@^%"
magic_number=55
pwd='adminn'
pwd=raw_input('pwd: ')
drv=raw_input('drv: ')
with open(drv, mode) as disk:

	# option 1: change the password
	encrypt_pwd_sector = 5*sector_size+len(magic_string)
	encrypted_pwd = hashlib.sha512("Ivan Medvedev"+pwd).digest()
	disk.seek(encrypt_pwd_sector)
	disk.write(encrypted_pwd+(32-len(encrypted_pwd))*b'\x00')
  
print 'your password is:' + pwd