Difficult:
I didn't really get the Triple DES method. A longer key would make the cipher harder to crack so why don't we just use longer keys instead of using more than one key. It seems that it would be less expensive to use a longer key as opposed to using going through the entire DES method more than once.
Reflective:
I think it's interesting how cryptography algorithms have to get better as software and hardware improves. It seems that DES was broken mainly using a brute-force method. They had to check a lot of keys before they found the right one. I wonder if there will come a time when cryptography can't quite live up to increasing hardware and we have to resort to something else.
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