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In this paper, an improved version of RC4 based hash function is proposed and we call it RC4-BHF. RC4-BHF is much efficient than well-known hash functions (e.g., MD4, MD5 and SHA-1) and it is designed for radio-frequency identification (RFID) devices, which other hash functions do not apply. The structure of RC4-BHF is absolutely different from the broken hash function classes (e.g., MD family, SHA...
In this paper, a new hash function based on RC4 stream cipher is proposed. The proposed RC4-based hash function has several advantages over many well-known hash functions. Its efficiency is much better than many widely used known hash function (e.g., MD5 and SHA-1). The application of the proposed hash function can be extended to the ultra-low devices for ubiquitous computing, which most other hash...
In this paper, we present a simple, lightweight, but robust security protocol for resource-constrained communications. This protocol is based on the backward property of RC4 stream cipher and achieves data confidentiality, data authentication, data integrity, and data freshness with low overhead and simple operations. Furthermore, an RC4-based hash function for the generation of message authentication...
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