study-guide-final - CPSC/PMAT 418 Final Exam Study Guide...

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CPSC/PMAT 418 Final Exam Study Guide General remarks CPSC 418 and PMAT 418 will have identical final exams. You will be examined on all the material of the course, but the emphasis will be on material that was not examined on the midterm exam. It is more important to know concepts , rather than details. All definitions are fair game. Final exam format Length: three hours; no aids permitted Questions: Multiple choice questions Yes/no questions (with no explanations required) Definitions Short answer questions — one sentence, a theorem, a brief explanation Long answer questions — computations, verifications, proofs, longer explanations List of topics you should know Overview of cryptography: Services provided by crypto: confidentiality, data integrity, non-repudiation, data origin authentication, entity authentication, access control Crypto mechanisms/primitives: encryption systems, digital signatures, hash functions, MACs, protocols for key agreement, authentication, access control; which of the above services each mechanism provides Types of attacks: COA, KPA; CPA, CCA and their adaptive versions, notion of active and passive attacks Goals of an attacker against a cryptosystem: passive — find (partial) key, find (partial) plaintext; active — modify or replay a message, impersonation Notions of security of a cryptosystem: unconditional, provable, computational Kerckhoff’s principle Classical Cryptography Symmetric key (i.e. conventional) cryptosystems, definition and services provided
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  • Fall '14
  • Cryptography, Cryptographic hash function, Macs, Hash functions

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