A Review: Network Security Based On Cryptography & Steganography Techniques
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Abstract
The communication technology is very advanced in these days. Digital Communication has become very important to secure the transmission of information between sender and receiver. Security is very important feature for exchange the information because it secures the information from intruders. In this paper we present a hierarchy of network security techniques such as: Secrecy, Authentication, Non-repudiation and Integrity control. There are two popular security mechanisms, namely Cryptography and Steganography. Both are well known and widely used techniques. Cryptography is used for send the data in encrypted form with using the encryption key. Encrypted data is transmitted from insecure public media. In which Decryption algorithm is also used for decrypt the message while using the decryption key. Steganography is used for hiding the data into another cover media.
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