A Survey on Compound Use of Cryptography and Steganoghaphy for Secure Data Hiding

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Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
Topic: Security
Format: PDF
According to new era, the steganography and cryptography are the secret writing techniques are available. Steganography hides the existence of message by embedding data in some other digital media like image or audio format and Cryptography converts data in to cipher text that can be in unreadable format to normal user. This paper focuses on data hiding techniques useable for security of data. This paper proposed an RSA algorithm for encryption and embedded encrypted data in an image using DCT based steganographic technique. The DCT based technique is better than the other techniques like LSB, Modulus arithmetic steganography.
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