ZAŠTITA PODATAKA U RAČUNARSKIM SISTEMIMA KORIŠĆENJEM KRIPTOGRAFSKIH METODA
CRYPTOGRAPHIC METHODS OF DATA PROTECTION IN COMPUTER SYSTEMS

Summary/Abstract: The data stored in databases and sent over computer networks are a valuable asset and deserve special attention and protection in order to keep the secrecy of our business and projects. Data and due time information make work of jurists, managers and other people who make decisions much easier, so that the theft, alteration of such data and other malicious actions can affect the final outcome, authenticity, accuracy and promptness of such decisions and it is therefore really important to secure appropriate and high level data protection. The Egyptians and Indians used safe communication some 3000 years ago and from that moment the issues and ideas of it have not changed – transfer the information from one place to another as safe as possible, or in other words, make an algorithm that would hide the original message in such way that it is completely unintelligible for people who got access to it by illegal means. Such methods have improved along with the development of modern technology and so have had the methods of data encryption. The authors will try to give answers to some modern questions, encryption algorithms, data decryption and suggest possible solutions for a much safer protection.

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