Abstract: As the length of software keys increases to accommodate evolving needs for greater security, so themarketplace demands a wider variety of cryptographic implementations. With recent improvements in core design andfrequency performance, designers are now asking whether customized IP blocks are still needed for these securealgorithms. In short, can a designer use a generic core in the hardware to save space and cost, and embed thecryptographic algorithms in software? The answer is simple—well, not so simple—it depends on the need.
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