Question: AES is a very popular symmetric encryption algorithm. (a) What applications of cryptography that you have used support the use of AES, and which key

AES is a very popular symmetric encryption algorithm.

(a) What applications of cryptography that you have used support the use of AES, and which key lengths do they recommend?

(b) AES is under great scrutiny from the cryptographic research community. Provide a laymans guide to the latest cryptanalytic attacks that have been announced against AES and comment on their practical relevance.

(c) Suppose that one day an announcement is made that AES is too insecure for widespread use. What do you think the likely reaction will be from the various communities that this will affect?

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