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Image Steganography using Variable Key Technique for Double Tier Security

Khushboo Jain, Amrit Kaur

In this Paper, before applying the Steganography technique the secret message change into cipher to ensure the double tier security. In the Proposed technique the encrypted data is hidden in cover image using Modified LSB Technique. The Mean Square Error (MSE) and Peak Signal Noise Ratio (PSNR) measures the Imperceptibility of the proposed technique. Experimental results show that the Stego image is usually indistinguishable from the cover image.