Implementation of Three Layer Security for Access Control Using CIA, Cryptography and Steganography

摘要

I n to d ay ˜ s in f o r m at io n ag e, i n f o r m at io n s h ar in g a n d tr an s f er h as i n cr ea s ed ex p o n e n tiall y . T h e in f o r m at io n v u l n er ab le to u n au t horized access and interception, while in storage or transmission. Cryptography encodes information to make information unreadable. The information is readable for the person who holds the key. But Conveyance of ciphered messages will draw the attention of hackers, perchance causing attempts to crack and conceal the original messages. Implementation of Three Layer Security for Access Control using CIA (Character Array, Inverse Function, and Auxiliary Verb), Cryptography and Steganography. Cryptography is an application, which combines both Cryptography methods (i.e. Encryption, decryption) and Steganography techniques to make the communication more secure. This Project uses Steganography at Two layers and Cryptography at one layer. The final outcome of this project is stego-object i.e. an Image. The application first embeds the user data within text data using CIA algorithm which is own contribution for which we are applying PATENT and then encrypts the resulted embedded text data using any of existing cryptography algorithm and resulted cipher text is then embedded in the image cover medium using any existing Steganography algorithm generating a Stego-object. The intended receiver de-embeds Stego-object using Steganography and then decrypts using cryptography and then de-embeds text data to extract user data using CIA a text Steganography.