Practical Approaches to Attaining Security Against Adaptively Chosen Ciphertext Attacks

Practical Approaches to Attaining Security Against Adaptively Chosen Ciphertext Attacks (1992)

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by Yuliang Zheng , Jennifer Seberry

Venue:	In Advances in Cryptology–Crypto ’92
Citations:	20 - 2 self

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Datum	Value	Source
TITLE	Practical Approaches to Attaining Security Against Adaptively Chosen Ciphertext Attacks	INFERENCE
AUTHOR NAME	Yuliang Zheng	SVM HeaderParse 0.2
AUTHOR AFFIL	The Centre for Computer Security Research; Department of Computer Science; University ofWollongong	SVM HeaderParse 0.2
AUTHOR ADDR	Locked Bag 8844, Wollongong, NSW 2521; AUSTRALIA	SVM HeaderParse 0.2
AUTHOR NAME	Jennifer Seberry	SVM HeaderParse 0.2
AUTHOR AFFIL	The Centre for Computer Security Research; Department of Computer Science; University ofWollongong	SVM HeaderParse 0.2
AUTHOR ADDR	Locked Bag 8844, Wollongong, NSW 2521; AUSTRALIA	SVM HeaderParse 0.2
ABSTRACT	Abstract. This paper presents three methods for strengthening public key cryptosystems in such a way that they become secure against adaptively chosen ciphertext attacks. In an adaptively chosen ciphertext attack, an attacker can query the deciphering algorithm with any ciphertexts, except for the exact object ciphertext to be cryptanalyzed. The rst strengthening method is based on the use of one-way hash functions, the second on the use of universal hash functions and the third on the use of digital signature schemes. Each method is illustrated by an example ofapublickey cryptosystem based on the intractability ofcomputing discrete logarithms in nite elds. Two other issues, namely applications of the methods to public key cryptosystems based on other intractable problems and enhancement of information authentication capability to the cryptosystems, are also discussed. 1	SVM HeaderParse 0.2
YEAR	1992	INFERENCE
VENUE	In Advances in Cryptology–Crypto ’92	INFERENCE
VENUE TYPE	CONFERENCE	INFERENCE
PAGES	292--304	INFERENCE
CITATIONS	26 found	ParsCit 1.0