Question: Please help. (1 point) This question concerns block cipher padding. Suppose the block cipher has a block size of 17 bytes. A certain message ends

Please help.

Please help. (1 point) This question concerns block cipher padding. Suppose the

(1 point) This question concerns block cipher padding. Suppose the block cipher has a block size of 17 bytes. A certain message ends with a partial block which is 13 bytes. We must reversibly pad out the message to use some block cipher modes, such as CBC (even if the last block is full). Consider the following padding strategy. Append a single byte with value 128, and then as many zero bytes as required to make the overall length a multiple of 17. Suppose the final (possibly partial) block of the message is "0x000102030405060708090a0b0c" in hexadecimal. Write out the complete final block in hexadecimal. Please do not put a leading 0x as this has been written already. 0x

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