Question: 1) Does 3DES have the same strength as 3DES? 2) Why? & K) are used in the In triple DES (represented as 3DES), two 56-bit

1) Does 3DES have the same strength as 3DES? 2) Why?

& K) are used in the In triple DES (represented as 3DES),

1) Does 3DES have the same strength as 3DES?

2) Why?

& K) are used in the In triple DES (represented as 3DES), two 56-bit random keys (K following way: Ki K Ki 1 L E - D E- p We change the order of the three DES operations in 3DES to the following: pE-E- and call it 3DES'. We measure the strength of 3DES and 3DES' by the effort in term of number of tries) in finding some K & K to match a known plaintext and ciphertext pair

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