James Sanborn’s Kryptos and the matrix encryption conjecture

摘要: James Sanborn’s sculpture, Kryptos, commissioned by the CIA, consists in part of four enciphered messages. These have attracted a tremendous amount attention, and only first three been solved. In present article, authors provide brief summary each cipher examine evidence that fourth makes use matrix encryption. They also results brute force attacks for 2 × 2 3 × 3 cases. latest hint was great value testing these possibilities. Room further is indicated those wishing to continue attack.