Primitive operations in RC5
Explain the primitive operations which are used in the RC5?
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RC5 uses the three primitive operations (and their inverse):
a) Addition : Addition of the words, represented by +, is performed modulo 2w. The inverse operation, represented by -, is subtraction modulo 2w.
b) Bitwise exclusive-OR : This operation is represented by “⊕”.
c) Left circular rotation : The cyclic rotation of word x left by y bits is represented by x<<<y. The inverse is the right circular rotation of word x by y bits, represented by x>>>y.
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