Question: The function f(R)=P(S(E(R XORK )) of the DES cryptographic protocol manipulates different sizes of bit strings. The bit-string sizes of P-S-E K in this order

The function f(R)=P(S(E(R XORK)) of the DES cryptographic protocol manipulates different

The function f(R)=P(S(E(R XORK)) of the DES cryptographic protocol manipulates different sizes of bit strings. The bit-string sizes of P-S-E K in this order are: 32-48 48 32 32-32-48 48 48 48-32-32 64-32-3248 64 48 32.64 SAVE

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