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Cracking des to crack aes

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Reference no: EM131310395

1. Assume that your processor can operate at 100 Million Instructions per second. Assuming that you can test each key with [6 steps X 16 cycles =] 96 instructions, estimate the amount to time necessary to crack a DES encryption by testing all 256possible keys.

2. Make a similar estimate for a 128-bit AES key, assuming you can test each of the 2128 AES keys with [4 steps X 10 cycles =] 40 instructions.

3. Using Moore's law, which says processors double in power approximately every two years, forecast approximately how many years it will be before a 128-bit AES key could be cracked in a week of processing.

4. Do some research on how DES was actually cracked in 1997-98 and compare what was done with your DES calculations.

5. Considering your answer to part 2, is it feasible to use the approach used in cracking DES to crack AES?

Reference no: EM131310395

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