Below is the description of block cipher mode for encryption,where E is encryption for some block cipher with block length I.Please,solve the following tasks: Draw a schematic representation for this encryption

mode(for at least 3 blocks). Describe corresponding decryption process.You can either draw a scheme of decryption process for 3 blocks or use formulas. Enc(k,m1ll..lmn） 1.Generate:ro←{0，l} 2.Co To 3.for i 1 to n: (a)ri=E(k,mi) (b)C=r⊕ri-1 4.return mollmill...IImn