A data encryption method performed with ring arithmetic operations wherein a modulus C is be chosen of the form 2w−L, wherein C is a w-bit number and L is a low Hamming weight odd integer less than 2(w−1)/2. And in some of those embodiments, the residue mod C is calculated via several steps. P is...http://www.google.es/patents/US7218734?utm_source=gb-gplus-sharePatente US7218734 - Ring arithmetic method, system, and apparatus
