22 lines (17 loc) · 238 Bytes

Feistel cipher

python feistel.py -v
Input message: 010101
Input key: 101010101

LE 1 = 101
RE 1 = 010
Subkey used is 101

LE 2 = 010
RE 2 = 101
Subkey used is 010

LE 3 = 101
RE 3 = 010
Subkey used is 101

LE_4 = 010
RE_4 = 101