Message privacy is the most significant feature of communication but particularly in wireless environment messages are highly insecure and encryption is must in such environment. Over a decades there has been momentous research going towards removing the attacks on different cryptographic algorithms. Aim of proposed research work is to study different stream cipher which includes ZUC, SNOW 3G and RC4 offering dependable security services in Long Term Evolution networks (LTE). The research work will also consider the performance analysis of stream ciphers based on the performance parameter such as weak keys, key vulnerability, risk, different attacks, simplicity, encryption speed, key/IV size, internal state space, performance, memory space, energy consumption. VHDL language is used to design the code and hardware implementation is done using XILINX's Virtex-5 FPGA.
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