Design and Analysis of Stream Cipher of Low Hardware Complexity

Stream cipher based on hash function is a good option to reduce hardware complexity of the cryptosystem. For encryption of data, stream ciphers are preferred to block ciphers because it consumes less power and hardware. Hash functions are generally employed in communication devices for integrity verification and authentication of data and control packets. The design of hardware efficient stream cipher based on CRC hash function and its analysis is presented in this paper.