Secure Data Transmission System Using Cryptography and Video Steganography

Computer Engineering

Today’s real transmission environment, two ways for securing message and data are cryptography and steganography. The method of cryptography renders the message unintelligible to outsiders by various transmission methods. On the other hand, steganography is the fine art of hiding the information. Video steganography is a technique to hide any kind of files into a carrying video file. LSB insertion is an important approach for embedding information in a cover video file. To meet the security requirements such as confidentiality and secrecy, this work proposes data security system using LSB based video steganography and digital envelope. The digital envelope is embedded into the cover video file for data security. To create the digital envelope, RC4 and RSA algorithm are effectively combined in the proposed system. The system is implemented by C# programming language.

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