How many rounds are in des

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1. How much space would be required to store a table for an entire idealized block cipher that operates on 64-bit blocks and that has 80-bit keys?

2. How many rounds are in DES? f low many bits are in a DES key? What is the DES block size? How does 3DES work as a function of DES?

Reference no: EM131284966

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