Contributed by Neha Sharma, Mr. J. S. Bhatia, and Dr. Mrs. Neena Gupta
Digital communication has become an essential part of infrastructure nowadays, a lot of applications are Internet-based and in some cases it is desired that communication be made secret. Consequently, the security of information has become a fundamental issue. Two techniques are available to achieve this goal: Encryption and steganography is one of them. Using cryptography, the data is transformed into some other gibberish form and then the encrypted data is transmitted. In steganography, the data is embedded in an image file and the image file is transmitted.
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