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In this problem we want to study the clock frequency requirements for a hardware implementation of DES in real-world applications. The speed of a DES implementation is mainly determined by the time required to do one core iteration. This hardware kernel is then used 16 consecutive times in order to generate the encrypted output. (An alternative approach would be to build a hardware pipeline with 16 stages, resulting in 16-fold increased hardware costs.)
1. Let's assume that one core iteration can be performed in one clock cycle. Develop an expression for the required clock frequency for encrypting a stream of data with a data rate r [bit/sec]. Ignore the time needed for the initial and final permutation.
2. What clock frequency is required for encrypting a fast network link running at a speed of 1 Gb/sec? What is the clock frequency if we want to support a speed of 8 Gb/sec?
Explain the characteristics of human-centered design methods
For example, a link with zero jitter, a bandwidth high enough to write on every other clock tick, and a latency of 1 tick might yield something like (0000, 0001), (0002, 0003), (0004, 0005)
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Discuss best practices when securing Microsoft Windows Applications using the text Internet, and/or your job as reference for full credit. Discuss the purpose of the CSIRT and some of the team member roles using the text Internet and/or your job a..
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Recompute the cost of sorting the relation
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