| Summary: | The present research subject is the secure document management. Its purpose is increasing the reliability of the data transmission. The research problem is the construction of a reliable model of the secure document management with authentication. The distributed data transmission technique which allows - using multiple channels - reduce significantly the risk of the unauthorized access to the information, and the possibilities of its modification, is used to solve this problem. The research result is a secure document management model based on the dual-link MV2 cryptoalgorithm, and AES and RC4 underlying ciphers. The replacement of the basic ciphers is provided, and the need of the additional associated data which must remain open, but be authenticated with the basic encrypted information is considered. The model constructed solves the original problem, and the software implementation developed in C ++ using NTL library can be applied in practice. The application field of the results obtained is the commercial document management protection.
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