subkey أمثلة على

• In successive rounds, both halves are rotated left by one or two bits (specified for each round), and then 48 subkey bits are selected by Permuted Choice 2 (PC-2)—24 bits from the left half, and 24 from the right.
  24 بت من النصف الأيسر، و 24 من الناحية اليمنى .