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Books > Computing & IT > Computer communications & networking > Network security
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The Theory of Hash Functions and Random Oracles - An Approach to Modern Cryptography (Hardcover, 1st ed. 2021)
Loot Price: R2,760
Discovery Miles 27 600
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The Theory of Hash Functions and Random Oracles - An Approach to Modern Cryptography (Hardcover, 1st ed. 2021)
Series: Information Security and Cryptography
Expected to ship within 12 - 19 working days
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Hash functions are the cryptographer's Swiss Army knife. Even
though they play an integral part in today's cryptography, existing
textbooks discuss hash functions only in passing and instead often
put an emphasis on other primitives like encryption schemes. In
this book the authors take a different approach and place hash
functions at the center. The result is not only an introduction to
the theory of hash functions and the random oracle model but a
comprehensive introduction to modern cryptography. After motivating
their unique approach, in the first chapter the authors introduce
the concepts from computability theory, probability theory,
information theory, complexity theory, and information-theoretic
security that are required to understand the book content. In Part
I they introduce the foundations of hash functions and modern
cryptography. They cover a number of schemes, concepts, and proof
techniques, including computational security, one-way functions,
pseudorandomness and pseudorandom functions, game-based proofs,
message authentication codes, encryption schemes, signature
schemes, and collision-resistant (hash) functions. In Part II the
authors explain the random oracle model, proof techniques used with
random oracles, random oracle constructions, and examples of
real-world random oracle schemes. They also address the limitations
of random oracles and the random oracle controversy, the fact that
uninstantiable schemes exist which are provably secure in the
random oracle model but which become insecure with any real-world
hash function. Finally in Part III the authors focus on
constructions of hash functions. This includes a treatment of
iterative hash functions and generic attacks against hash
functions, constructions of hash functions based on block ciphers
and number-theoretic assumptions, a discussion of privately keyed
hash functions including a full security proof for HMAC, and a
presentation of real-world hash functions. The text is supported
with exercises, notes, references, and pointers to further reading,
and it is a suitable textbook for undergraduate and graduate
students, and researchers of cryptology and information security.
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