Problem 4. (20 marks) Let a message M of 128 bits be encrypted with 128-bit AES using cipher
feedback (CFB) mode with s=32. Draw a diagram for both encryption and decryption. Identify
the number of output ciphertext blocks in encryption part..
Problem 4. (20 marks) Let a message M of 128 bits be encrypted with 1.pdf
1. Problem 4. (20 marks) Let a message M of 128 bits be encrypted with 128-bit AES using cipher
feedback (CFB) mode with s=32. Draw a diagram for both encryption and decryption. Identify
the number of output ciphertext blocks in encryption part.