A novel block encryption method based on Catalan random walks

doi:10.1007/s11042-021-11497-5

A novel block encryption method based on Catalan random walks

2021-09-17

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DOI：10.1007/s11042-021-11497-5

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This paper presents a novel encryption method based on individual block ciphering using Catalan random walks. This paper aims to offer some new possibilities of multimedia data protection to realize the rights of participants in the multimedia distribution chain (image, text, video, sound). Also, the emphasis is on advanced analysis of Catalan numbers and their combinatorial representations in multimedia security. The proposed method consists of five phases: conversion, division, selection, encryption, and generation. We presented the application of our method in ensuring the security of multimedia content. The proposed method was implemented in Java. In the experimental testing, we provide the time and space complexity of Catalan keys generation and Maurer's universal statistical test for the proposed method. Also, we state security analysis using machine learning methods and comparative analysis with existing methods of encrypting data into a blockchain.

Keywords:

Cryptography

Catalan objects

Random walks

Data encryption

Security analysis

Multimedia security

A novel block encryption method based on Catalan random walks

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