A step toward cryptography having high avalanche effect and PSNR with low cover file size and execution time

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2017 by IJETT Journal
Volume-47 Number-5
Year of Publication : 2017
Authors : Archana Parihar, Prof. Amit Saxena


Archana Parihar, Prof. Amit Saxena "A step toward cryptography having high avalanche effect and PSNR with low cover file size and execution time", International Journal of Engineering Trends and Technology (IJETT), V47(5),250-256 May 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group

Data hiding is now a very potential area of research. Cryptography is a technique that states how you safe your information; it gives surety that your information is only shared with the person who is authenticated for the same. Steganography is a method that helps exchange confidential information such that nobody else can detect the existence of confidential message in any file /image. In almost numerous steganography algorithms, the authors would add a confidential message inmost a cover file without any encryption. But these types of steganography procedures are not secure to the extent that anyone can pull off the confidential message from the cover file. To provide better security, steganography method is used in combination with a cryptographic algorithm so that, even if anyone discovers the existence of confidential information, it is still impossible to understand. This work proposed a new encryption/decryption algorithm/technique and after encrypting the confidential message a new Steganography algorithm is applied to hide that secret message named HAEAPA( High Avalanche effect and PSNR algorithm . This combination provides better security for hiding confidential message and formerly reduces time complexity.


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Security, Steganography, Encryption, Decryption, Cryptography.