3 papers
cs.CR2018
COZMO-A New Lightweight Stream Cipher
Krishnendu Rarhi, Rhea Bonnerji, Simanta Sarkar +1
This paper deals with the merger of the two lightweight stream ciphers: A5by1 and Trivium. The idea is to make the key stream generation more secure and to remove the attacks of th…
cs.CR2018
Systematization of a 256-bit lightweight block cipher Marvin
Sukanya Saha, Krishnendu Rarhi, Abhishek Bhattacharya
In a world heavily loaded by information, there is a great need for keeping specific information secure from adversaries. The rapid growth in the research field of lightweight cryp…
cs.CR2018
Cryptanalysis of a Chaotic Key based Image Encryption Scheme
Pratyusa Mukherjee, Krishnendu Rarhi, Abhishek Bhattacharya
Security of multimedia data is a major concern due to its widespread transmission over various communication channels. Hence design and study of good image encryption schemes has b…