nhd-matroichka2.py

#!/usr/bin/python

# 21c25411
# 32c0a748
# 4035d6a1
# 0e3bdcb0
# f9730a6d
# b34eec73
# b8520dac
# e2e28524

next_key = [ord('W'),0x11,0x54,0xc2,0x21, 0x48, 0xa7, 0xc0, 0x32, 0xa1, 0xd6, 0x35, 0x40, 0xb0, 0xdc, 0x3b, 0xe0, 0x6d, 0x0a, 0x73, 0xf9, 0x73, 0xec, 0x4e, 0xb3, 0xac, 0x0d, 0x52, 0xb8, 0x24, 0x85, 0xe2, 0xe2]

def solve_for_one_even(next_key,last_key):
  for i in range(0,255):
    if (i + last_key) % 256 == next_key:
      return i

def solve_for_one_odd(next_key,last_key):
  for i in range(0,255):
    if (i - last_key) % 256 == next_key:
      return i

out = ""
for i in range(1,len(next_key)):
  if next_key[i-1] % 2 == 0:
    n = solve_for_one_even(next_key[i],next_key[i-1])
  else:
    n = solve_for_one_odd(next_key[i],next_key[i-1])
  out += chr(n)

print out

magic_key =  [ 0xDEADBEEF, 0x0FF6FEAFE, 0x0CDAF4DB6, 0x8D9A9B17, 0x83A147A7, 0x7AD24DCA, 0x0C99CA1B9, 0x71CEAC15, 0x932C2931 ]
currentKey = 0xDEADBEEF

for key in range(1,len(magic_key)):
  currentKey = magic_key[key] ^ magic_key[key-1]
  print "%08x" % currentKey