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» Contemporary Block Ciphers
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DSD
2008
IEEE
131views Hardware» more  DSD 2008»
14 years 5 months ago
PUFFIN: A Novel Compact Block Cipher Targeted to Embedded Digital Systems
In this paper, we examine the digital hardware design and implementation of a novel compact block cipher, referred to as PUFFIN, that is suitable for embedded applications. An imp...
Huiju Cheng, Howard M. Heys, Cheng Wang
CRYPTO
1993
Springer
95views Cryptology» more  CRYPTO 1993»
14 years 3 months ago
Weak Keys for IDEA
Large classes of weak keys have been found for the block cipher algorithm IDEA, previously known as IPES [2]. IDEA has a 128bit key and encrypts blocks of 64 bits. For a class of 2...
Joan Daemen, René Govaerts, Joos Vandewalle
IACR
2011
205views more  IACR 2011»
12 years 10 months ago
Biclique Cryptanalysis of the Block Cipher SQUARE
Abstract. SQUARE, an 8-round substitution-permutation block cipher, is considered as the predecessor of the AES. In this paper, inspired from the recent biclique attack on the AES ...
Hamid Mala
IEEEIAS
2008
IEEE
14 years 5 months ago
Dynamic Substitution Model
In this paper, we present the Dynamic Injection Model (DIM) and its variant the Static Injection Model (SIM). DIM is a model that allows any iterative block cipher to accept a var...
Mohamed Abo El-Fotouh, Klaus Diepold
ICISC
2001
132views Cryptology» more  ICISC 2001»
14 years 8 days ago
Slide Attacks with a Known-Plaintext Cryptanalysis
Although many strong cryptanalytic tools exploit weaknesses in the data-randomizinig part of a block cipher, relatively few general tools for cryptanalyzing on the other part, the ...
Soichi Furuya