EAN: 9783031501241

Bilder-Quelle: discount24.de - Sport-Freizeit

This book presents the concept of cryptcoding which arises from the need to obtain secure and accurate transmission. Therefore it is necessary to improve constantly existing and develop new algorithms that will ensure accurate and secure data transfer. This leads to the intensive development of coding theory and cryptography as scientific fields which solve these problems. To ensure efficient and secure data transmission at the same time the concept of cryptcoding is developed such that the coding and encryption processes are merged into one process. Cryptcodes provide correction of a certain number of errors in the transmitted message and data confidentiality using only one algorithm. The main research in this field is to define new algorithms for coding that detects and corrects errors random codes stream ciphers block ciphers pseudo-random generators hash functions etc. This monograph examines an application of quasigroups for designing error-correcting cryptcodes called Random Codes Based on Quasigroups (RCBQ ). These codes are a combination of cryptographic algorithms and error-correcting codes and depend on several parameters. Some modifications (new coding decoding algorithms) of RCBQ for improving their performances for transmission ordinary messages images and audio files trough a binary-symmetric channel Gaussian channel and burst channels are considered. Also authors propose and analyze filter for visually enhance of the decoded images and improving the quality of decoded audio files.

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