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2 . Consider a sender and receiver who need to exchange data confidentially using symmetric encryption. Write a program to implement DES First round Key.
Consider a sender and receiver who need to exchange data confidentially using
symmetric encryption. Write a program to implement DES First round Key. In DES
Algorithm If the key with parity bit bits is AABBCCDD find the first
round key.
DES Key Generation.
Input Key
Permuted Choice one PC
Permuted Choice two PC
Schedule of Left Shifts
Round
Number
Bits
Rotated
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