60 search results - page 7 / 12 » Cryptanalysis of an image encryption scheme |
IJACT
2008
13 years 9 months ago
2008
: In Crypto 1997, Goldreich, Goldwasser and Halevi (GGH) proposed a lattice analogue of McEliece public key cryptosystem, in which security is related to the hardness of approximat...
ISPEC
2010
Springer
13 years 11 months ago
2010
Springer
Often authentication and confidentiality are required as simultaneous key requirements in many cryptographic applications. The cryptographic primitive called signcryption effective...
ICIP
2006
IEEE
14 years 11 months ago
2006
IEEE
In this study we propose a new approach for selective encryption in the Huffman coding of the Discrete Cosine Transform (DCT) coefficients using the Advanced Encryption Standard (...
PKC
2010
Springer
14 years 1 months ago
2010
Springer
Abstract. In this paper, we fully break the Algebraic Surface Cryptosystem (ASC for short) proposed at PKC’2009 [3]. This system is based on an unusual problem in multivariate cr...
FSE
1997
Springer
14 years 1 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 ...