44 search results - page 4 / 9 » A New Attack on the LEX Stream Cipher |
CRYPTO
2003
Springer
13 years 11 months ago
2003
Springer
Many popular stream ciphers apply a filter/combiner to the state of one or several LFSRs. Algebraic attacks on such ciphers [10, 11] are possible, if there is a multivariate relat...
INDOCRYPT
2007
Springer
13 years 12 months ago
2007
Springer
Saarinen recently proposed a chosen IV statistical attack, called the d-monomial test, and used it to find weaknesses in several proposed stream ciphers. In this paper we generali...
FSE
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. Sober-t32 is a candidate stream cipher in the NESSIE competition. Some new attacks are presented in this paper. A Guess and Determine attack is mounted against Sober-t32 ...
FSE
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. We present a new stream cipher, Rabbit, based on iterating a set of coupled nonlinear functions. Rabbit is characterized by a high performance in software with a measured...
MYCRYPT
2005
Springer
13 years 11 months ago
2005
Springer
Klimov and Shamir proposed a new class of simple cryptographic primitives named T-functions. For two concrete proposals based on the squaring operation, a single word T-function an...