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The Cubic Public-Key Transformation

Subhash Kak
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Abstract

We propose the use of the cubic transformation for public-key applications and digital signatures. Transformations modulo a prime p or a composite n=pq, where p and q are primes, are used in such a fashion that each transformed value has only 3 roots that makes it a more efficient transformation than the squaring transformation of Rabin, which has 4 roots. Such a transformation, together with additional tag information, makes it possible to uniquely invert each transformed value. The method may be used for other exponents as well.

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Subhash Kak. 2006-06-09. The Cubic Public-Key Transformation. https://arxiv.org/abs/cs/0602097

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