Chaotic Map Based Block Encryption

Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
Number of cryptosystems based on chaos has been proposed, in recent years. The researchers' proposed an improved scheme by using a symmetric key block cipher algorithm in which one-dimensional chaotic maps are used, in order to obtain chaotic sequences with better cryptographic feature. In this paper, an encryption/decryption scheme was proposed, a cryptographic algorithm using one-dimensional chaotic maps and an external secret key. The chaotic map adopted in this cryptosystem is two logistic maps, and external secret key is of 128-bits.

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