Cryptography in Constant Parallel Time
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Beschreibung
Locally computable (NC0) functions are "simple" functions for which every bit of the output can be computed by reading a small number of bits of their input. The study of locally computable cryptography attempts to construct cryptographic functions that achieve this strong notion of simplicity and simultaneously provide a high level of security. Such constructions are highly parallelizable and they can be realized by Boolean circuits of constant depth.
This book establishes, for the first time, the possibility of local implementations for many basic cryptographic primitives such as one-way functions, pseudorandom generators, encryption schemes and digital signatures. It also extends these results to other stronger notions of locality, and addresses a wide variety of fundamental questions about local cryptography. The author's related thesis was honorably mentioned (runner-up) for the ACM Dissertation Award in 2007, and this book includes some expanded sections andproofs, and notes on recent developments.
The book assumes only a minimal background in computational complexity and cryptography and is therefore suitable for graduate students or researchers in related areas who are interested in parallel cryptography. It also introduces general techniques and tools which are likely to interest experts in the area.
Locally computable (NC0) functions are "simple" functions for which every bit of the output can be computed by reading a small number of bits of their input. The study of locally computable cryptography attempts to construct cryptographic functions that achieve this strong notion of simplicity and simultaneously provide a high level of security. Such constructions are highly parallelizable and they can be realized by Boolean circuits of constant depth.
This book establishes, for the first time, the possibility of local implementations for many basic cryptographic primitives such as one-way functions, pseudorandom generators, encryption schemes and digital signatures. It also extends these results to other stronger notions of locality, and addresses a wide variety of fundamental questions about local cryptography. The author's related thesis was honorably mentioned (runner-up) for the ACM Dissertation Award in 2007, and this book includes some expanded sections and proofs, and notes on recent developments.
The book assumes only a minimal background in computational complexity and cryptography and is therefore suitable for graduate students or researchers in related areas who are interested in parallel cryptography. It also introduces general techniques and tools which are likely to interest experts in the area.
The author's related thesis was honorably mentioned (runner-up) for the ACM Dissertation Award in 2007 Assumes only a minimal background in computational complexity and cryptography Introduces general techniques and tools of interest to experts in the area Includes supplementary material: sn.pub/extras
Autor*in
Benny Applebaum
Themen in »Cryptography in Constant Parallel Time«
Computational Complexity Cryptanalysis Cryptography Cryptology NC0 One-Way Functions (OWF) Pseudorandom generators
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From the book reviews:
“The book explores the minimal computational complexity of these cryptographic primitives necessary to keep them secure. … This is an important book with groundbreaking results that will continue to influence research in this area for years to come. … The ideal audience for this book comprises advanced graduate students or other researchers in the same field.” (Burkhard Englert, Computing Reviews, August, 2014)()