71 search results - page 2 / 15 » On the security of a class of image encryption schemes |
IVC
2006
13 years 5 months ago
2006
In recent years, the chaos based cryptographic algorithms have suggested some new and efficient ways to develop secure image encryption techniques.Inthis communication,weproposea ...
CRYPTO
2007
Springer
13 years 11 months ago
2007
Springer
We put forward a new paradigm for building hybrid encryption schemes from constrained chosen-ciphertext secure (CCCA) key-encapsulation mechanisms (KEMs) plus authenticated symmet...
IEICET
2006
13 years 5 months ago
2006
We propose a new security class, called plaintext-simulatability, defined over the public-key encryption schemes. The notion of plaintext simulatability (denoted PS) is similar to ...
CRYPTO
2012
Springer
11 years 7 months ago
2012
Springer
We construct a functional encryption scheme secure against an a-priori bounded polynomial number of collusions for the class of all polynomial-size circuits. Our constructions req...
ICMCS
2005
IEEE
13 years 11 months ago
2005
IEEE
Abstract Secure video communication on mobile handheld devices is challenging mainly due to (a) the significant computational needs of both video coding and encryption algorithms ...