118 search results - page 16 / 24 » Chosen Ciphertext Security with Optimal Ciphertext Overhead |
PKC
2012
Springer
11 years 10 months ago
2012
Springer
In this work, we study a new multivariate quadratic (MQ) assumption that can be used to construct public-key encryption schemes. In particular, we research in the following two di...
JSS
2007
13 years 7 months ago
2007
This paper reports security problems with improper implementations of an improved version of FEA-M (fast encryption algorithm for multimedia). It is found that an implementation-d...
PKC
2004
Springer
14 years 1 months ago
2004
Springer
In a practical system, a message is often encrypted more than once by different encryptions, here called multiple encryption, to enhance its security. Additionally, new features ...
JOC
2000
13 years 7 months ago
2000
In this paper we analyze the block cipher SAFER K. First, we show a weakness in the key schedule, that has the effect that for almost every key there exists on the average three an...
FSE
2011
Springer
12 years 11 months ago
2011
Springer
At Eurocrypt 2001, Biryukov and Shamir investigated the security of AES-like ciphers where the substitutions and affine transformations are all key-dependent and successfully crypt...