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Data Security is plays a vital role in Data Communication through Internet. Definitely there is a need to protect the data from unauthorized access. Data may exist in many forms like images, tables, Icons, Text, Video, Audio, Colors, etc. Till now many methods or algorithms have been proposed in the world. Any way Cryptography plays an important role to encode and decode the Information. This paper also proposes a new method for encode and decode the data by using Shared-Secret-Key, Session-Key and Intermediate-Key and Matrix operations.
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