Procesador óptico virtual de encriptación usando llaves en armónicos circulares.

Abstract

Virtual optical processors PEVLC and PEJTC to encrypt RGB images were implemented and studied. The variance of the decryption process with the rotation of the key in Cartesian coordinates and in circular harmonic components (CHC) was studied computationally. We determined that the key in rectangular coordinates allows a tolerance of up to ± 1 ° of rotation of the key. With keys in CHC we find a tolerance of ± 60 ° of rotation, without using a mask multiplying the input image. Total variance was found when the input was multiplied with a periodic structure amplitude mask. Also a novel encryption strategy, which we call cryptogram camouflage was introduced; we developed a virtual optical processor for this purpose.