decoding

USE OF VECTOR ALGEBRA TOOLS IN SOLVING INFORMATION CODING PROBLEMS

The purpose of this work is to develop and comprehensively study effective methods of using vector algebra tools to solve practical problems of information coding with the integration of modern computing technologies aimed at increasing the productivity, reliability and adaptability of the corresponding systems. In the light of the rapid development of information technologies and the growth of the volume of data that needs protection, it becomes relevant to design algorithms, which would provide not only security, but also the best speed in real time.

Шифрування і дешифрування зображень з використанням квадратичних фрактальних алгоритмів

Запропоновано застосування квадратичних фрактальних перетворень до шифрування і дешифрування зображень в градаціях сірого кольору.

The use of quadratic fractal transforms to encryption and decryption of images in grayscale color.

Program model of Reed-Solomon codes

Software is designed for modeling of Reed-Solomon codes on a base of object-oriented technology. Input data for system are blocks of bytes for transmitting through communication channel, where errors can occur in the blocks. Designed program realizes codes of (255,239) and (255,223) type for finite field GF(28) with standard generating polynomials x8+x4+x3+x2+1 and x8+x7+x2+x+1. Moreover, a possibility is provided to add other types of codes and generating polynomials.