VLSI algorithms, architectures, and implementation of a versatile GF(2(m))processor

With the explosive growth of electronic commerce, dedicated cryptographic p rocessors are becoming essential since general-purpose processors cannot pr ovide the performance and functionality direly needed. This paper proposes an architecture for a versatile Galois field GF(2(m)) processor for cryptog raphic applications. This processor uses both canonical and triangular base s for field elements representation and manipulation. The variable dimensio n datapath of the processor is versatile enough to meet the varying require ments for different applications and environments. To provide flexibility f or different cryptographic applications, an instruction set architecture is designed. Finally, a prototype VLSI implementation of the Galois field pro cessor is presented and discussed.