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C HAPTER 16 Exercises for Part 3

C HAPTER 16 Exercises for Part 3.

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C HAPTER 16 Exercises for Part 3

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  1. CHAPTER16Exercises for Part 3 Slides adapted from "Foundations of Security: What Every Programmer Needs To Know" by Neil Daswani, Christoph Kern, and Anita Kesavan (ISBN 1590597842; http://www.foundationsofsecurity.com). Except as otherwise noted, the content of this presentation is licensed under the Creative Commons 3.0 License.

  2. Conceptual Exercises • List three advantages/disadvantages of using a web of trust model vs. using a certificate authority–based trust model. • State how you can use symmetric encryption to achieve (a) authentication, (b) confidentiality, and (c) message integrity.

  3. Programming Problem • Extend the AESEncrypter program of Section 12.1.6 to compute and verify a MAC on the message in addition to encrypting and decrypting data. Be sure to use different keys for the encryption and MAC computations.

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