demodes3r.txt

des preko c neznam hocel pomoci

Real Key:
 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0
  1  1  0  1  0  0  0  1  1  0  1  1  0  0  1  0  0  0  1  1  1  1  0  1  1  0  0  0  1  1  1  0  1  1  1  0  1  0  0  1  1  0  0  1  1  0  1  1  1  1  1  0  1  1  0  1  0  0  1  0  1  1  1  0

Real bits K1[22] = 0; K3[22] = 1


3-round DES linear analysis (1 key bit) result:
Pl[15] xor Ph[7,18,24,29] xor Cl[15] xor Ch[7,18,24,29] = K1[22] xor K3[22] = 1