An Analysis of SAFER

We investigate some of the algebraic properties of the SAFER block cipher when the message space is considered as a Z -module. In particular, we consider the invariant Z -submodules of the PHT layer and show how these invariant Z -submodules give potential cryptographic weaknesses.

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Vydané v:Journal of cryptology Ročník 11; číslo 4; s. 235 - 251
Hlavný autor: Murphy, Sean
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York, NY Springer 01.09.1998
Springer Nature B.V
Predmet:
Algorithms
Applied sciences
Cryptography
Encryption
Exact sciences and technology
Information, signal and communications theory
Invariants
Signal and communications theory
Telecommunications and information theory
Markov chain
XOR circuit
Hadamard transformation
Scheduling
Encryption
Cryptography
Message transmission
Security key
ISSN:0933-2790, 1432-1378
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Popis
Shrnutí:We investigate some of the algebraic properties of the SAFER block cipher when the message space is considered as a Z -module. In particular, we consider the invariant Z -submodules of the PHT layer and show how these invariant Z -submodules give potential cryptographic weaknesses.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:0933-2790
1432-1378
DOI:10.1007/s001459900046