A proposal of a cryptography algorithm with techniques of error correction

摘要

A new cryptographic system is presented in this paper which combines error-correction techniques with cryptographic protection as secure as one might want. The proposed system is based on the following: given a linear block code (n, k), n > k, we have a lot of possibilities to distribute 'k' information symbols among 'n' symbols composing the code word. A method for the cryptanalysis of the system is also proposed. These possibilities increase when n > > k and include the order and place of the 'k' symbols among the 'n' symbols. Practical results were obtained via simulation on a PC486, 66 MHz, where the proposed system and its cryptographic analysis were implemented.