44 search results - page 7 / 9 » A New Attack on the LEX Stream Cipher |
FSE
2006
Springer
13 years 11 months ago
2006
Springer
In this paper we present new and more accurate estimates of the biases of the linear approximation of the FSM of the stream cipher SNOW 2.0. Based on improved bias estimates we als...
FSE
2008
Springer
13 years 9 months ago
2008
Springer
The stream cipher Salsa20 was introduced by Bernstein in 2005 as a candidate in the eSTREAM project, accompanied by the reduced versions Salsa20/8 and Salsa20/12. ChaCha is a varia...
SSC
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. The filter generator consists of a linear feedback shift register (LFSR) and a Boolean filtering function that combines some bits from the shift register to create a ke...
ASIACRYPT
2005
Springer
14 years 1 months ago
2005
Springer
Let X1, X2, . . . , Xk be independent n bit random variables. If they have arbitrary distributions, we show how to compute distributions like Pr{X1 ⊕ X2 ⊕ · · · ⊕ Xk} and ...
ACISP
2003
Springer
14 years 29 days ago
2003
Springer
Abstract. We explore three applications of geometric sequences in constructing cryptographic Boolean functions. First, we construct 1-resilient functions of n Boolean variables wit...