A Crypto- Steganography System for Double Tier Security

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Provided by: International Journal of Advanced Research in Computer and Communication Engineering (IJARCCE)
Topic: Security
Format: PDF
The two important aspects of security that deal with transmitting information through some medium like internet are cryptography and steganography. Cryptography deals with hiding the contents of a message and steganography deals with hiding the presence of a message. In this paper, image is encrypted by ElGamal algorithm and then encrypted image hide in other image for double tier security. For hiding the encrypted Image Modified Least Significant Bit (MLSB) technique is used. The modified LSB technique has more capacity as compared to LSB technique.
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