WinMin/solve.py Secret

## solve.py
#!/usr/bin/env python3
from pwnlib.util.iters import mbruteforce
from hashlib import sha256
import string
import sys


"""
$ ncat -v [HOST] [PORT]
sha256("KOcNc"+"?") starts with 26bits of zero:

usage: $ python3 solve.py KOcNc
"""

prefixes = sys.argv[1]
def brute(cur):

    content = prefixes + str(cur)
    s = sha256(content.encode())
    if s.hexdigest().startswith("000000") and int(s.hexdigest()[6:8], 16) < 0x40:
        return True
    return False

import pwn
res =  mbruteforce(brute, string.ascii_lowercase + string.digits, method = 'upto', length=6,  threads = 20)
print(res)
	#!/usr/bin/env python3
	from pwnlib.util.iters import mbruteforce
	from hashlib import sha256
	import string
	import sys


	"""
	$ ncat -v [HOST] [PORT]
	sha256("KOcNc"+"?") starts with 26bits of zero:

	usage: $ python3 solve.py KOcNc
	"""

	prefixes = sys.argv[1]
	def brute(cur):

	content = prefixes + str(cur)
	s = sha256(content.encode())
	if s.hexdigest().startswith("000000") and int(s.hexdigest()[6:8], 16) < 0x40:
	return True
	return False

	import pwn
	res = mbruteforce(brute, string.ascii_lowercase + string.digits, method = 'upto', length=6, threads = 20)
	print(res)