Question: short answer only please (1 point) This quetton concerns block cpher padding Suppose the block cipher hias a block size of 18 bybes. A certain
(1 point) This quetton concerns block cpher padding Suppose the block cipher hias a block size of 18 bybes. A certain messape ends with a part al block ahich is 13 bytes. We must reversinly pad out the message bo use some block oipher modes, such as Cec (even it the last block is had) Consiter the following padding strategy. Pad the plaindext by appending n bytes, each inth value n. leading Cr as this has been weitien atready
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