def euler_59():
"Using a brute force attack, can you decrypt the cipher using XOR encryption?"
code = tuple(int(c) for c in open('cipher1.txt').read().split(','))
def decrypt(code, password):
l = len(password)
return tuple(c ^ password[i % l] for i, c in enumerate(code))
def text(code):
return ''.join(chr(c) for c in code)
n = 0
for password in selections(tuple((ord(c) for c in list('abcdefghijklmnopqrstuvwxyz'))), 3):
c = decrypt(code, password)
t = text(c)
if t.find(' the ') > 0:
print("Text:", t)
print("Lösung:", sum(c))
break
from combinatorics import selections
code = tuple(int(c) for c in open('cipher1.txt').read().split(','))
def decrypt(code, password):
l = len(password)
return tuple(c ^ password[i % l] for i, c in enumerate(code))
def text(code): return ''.join(chr(c) for c in code)
n = 0
for password in selections(tuple((ord(c) for c in list('abcdefghijklmnopqrstuvwxyz'))), 3):
c = decrypt(code, password)
t = text(c)
if t.find(' the ') > 0:
print(sum(c))
break