Symmetric Key Encryption for Arbitrary Block Sizes from Affine Spaces
arXiv:1612.07574
Abstract
A symmetric key encryption scheme is described for blocks of general size N that is a product of powers of many prime numbers. This is accomplished by realising each number (representing a message unit) as a point in a product of affine spaces over various finite fields. Then algebro-geometric transformations on those affine spaces is transported back to provide encryption. For a specific block size we get more than keys.
11 pages, 1 commutative diagram; In Version 2, besides correcting typos, a table has been added as Lemma 3