106 search results - page 20 / 22 » Cryptanalysis of Koyama Scheme |
TCC
2005
Springer
15 years 5 months ago
2005
Springer
Encryption of data using multiple, independent encryption schemes (“multiple encryption”) has been suggested in a variety of contexts, and can be used, for example, to protect ...
FSE
1997
Springer
15 years 3 months ago
1997
Springer
This paper presents several methods to construct trapdoor block ciphers. A trapdoor cipher contains some hidden structure; knowledge of this structure allows an attacker to obtain ...
JOC
1998
14 years 11 months ago
1998
The security of hash functions based on a block cipher with a block length of m bits and a key length of k bits, where k ≤ m, is considered. New attacks are presented on a large ...
IWDW
2004
Springer
15 years 5 months ago
2004
Springer
Most of watermarking techniques are based on Wide Spread Spectrum (WSS). Security of such schemes is studied here in adopting a cryptanalysis point of view. The security is proport...
FSE
2005
Springer
15 years 5 months ago
2005
Springer
T-functions were introduced by Klimov and Shamir in a series of papers during the last few years. They are of great interest for cryptography as they may provide some new building ...