QC-LDPC Code-Based Cryptography

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ISBN-13:
9783319025551
Einband:
Taschenbuch
Erscheinungsdatum:
31.05.2014
Seiten:
121
Autor:
Marco Baldi
Gewicht:
230 g
Format:
248x162x28 mm
Serie:
SpringerBriefs in Electrical and Computer Engineering
Sprache:
Englisch
Beschreibung:
Describes the fundamentals of QC-LDPC code-based cryptography
Introduction.- Low-Density Parity-Check Codes.- Quasi-Cyclic Codes.- Quasi-Cyclic Low-Density Parity-Check Codes.- The McEliece and Niederreiter Cryptosystems.- QC-LDPC Code-based Cryptosystems.
This book describes the fundamentals of cryptographic primitives based on quasi-cyclic low-density parity-check (QC-LDPC) codes, with a special focus on the use of these codes in public-key cryptosystems derived from the McEliece and Niederreiter schemes. In the first part of the book, the main characteristics of QC-LDPC codes are reviewed, and several techniques for their design are presented, while tools for assessing the error correction performance of these codes are also described. Some families of QC-LDPC codes that are best suited for use in cryptography are also presented. The second part of the book focuses on the McEliece and Niederreiter cryptosystems, both in their original forms and in some subsequent variants. The applicability of QC-LDPC codes in these frameworks is investigated by means of theoretical analyses and numerical tools, in order to assess their benefits and drawbacks in terms of system efficiency and security. Several examples of QC-LDPC code-based public key cryptosystems are presented, and their advantages over classical solutions are highlighted. The possibility of also using QC-LDPC codes in symmetric encryption schemes and digital signature algorithms is also briefly examined.

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