281 search results - page 28 / 57 » Non-black-box Techniques in Cryptography |
IMA
2009
Springer
14 years 4 months ago
2009
Springer
In previous work we showed how to compress certain prime-order subgroups of the cyclotomic subgroups of orders 22m + 1 of the multiplicative groups of F∗ 24m by a factor of 4. We...
IMA
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. In this paper we present a theoretical framework to quantify the information brought by several linear approximations of a blockcipher without putting any restriction on ...
ACNS
2008
Springer
14 years 4 months ago
2008
Springer
We present generic constructions of stateful public key encryption (StPE). We build several new StPE schemes and explain existing ones using our generic constructions. Of the new ...
FSE
2007
Springer
14 years 4 months ago
2007
Springer
We present a practical attack on the Panama hash function that generates a collision in 26 evaluations of the state updating function. Our attack improves that of Rijmen and cowork...
FSE
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. In Wang’s attack, message modifications allow to deterministically satisfy certain sufficient conditions to find collisions efficiently. Unfortunately, message modi...