Private Key Steganography using DCT
Steganography is the art and science of invisible communication. This paper proposed a technique implement steganogaraphy with private key to hide the data into an image. In this technique it encrypt message using secret private-key then embedded the data in image. Decryption is done only by giving the correct private key. Each selected pixel will be used to hide data by using LSB method. Keywords- Private Key, Decryption, Steganography.