This article describes how the encryption algorithm (called Tu-vera) depends on the transformation of a phrase written in English into a sequence of propositional logic formulas which can be understand by a human receiver. This happens if the receiver has a set of reserved words and he/she knows...

This article describes how after the concept of anonymous credential systems was introduced in 1985, a number of similar systems have been proposed. However, these systems use zero-knowledge protocols to authenticate users, resulting in inefficient authentication during the stage of proving...

Cryptanalysis refers to finding the plaintext from the given cipher text. The problem reduces to finding the correct key from a set of possible keys, which is basically a search problem. Many researchers have put in a lot of effort to accomplish this task. Most of the efforts used conventional...