One round

• One of the 16 iteration steps

• L ? left half of 64-bit messageR ? left half of 64-bit message

  • Each is 32 bits

• Key is 56 bits

  • K1 – K16 are 16 permutations on the master key

• Use lookup tables for the permutations and substitutions

Previous slide

Next slide

Back to first slide

View graphic version