a. How does 3DES work? b. What are the two common effective key lengths in 3DES? c. Are these lengths strong enough for communication in corporations? d. What is the disadvantage of 3DES? a. What is...

a. How does 3DES work? b. What are the two common effective key lengths in 3DES? c. Are these lengths strong enough for communication in corporations? d. What is the disadvantage of 3DES?

a. What is the big advantage of AES over 3DES? b. What are the three key lengths offered by AES? c. Which strong symmetric key encryption cipher can be used with small mobile devices? d. Which symmetric key encryption cipher probably will dominate in the near future?