Improved Data Security Using Video Steganography with Time Limited Password

Abstract

In the era of fast information interchange, video Steganography and data hiding techniques have become essential tool for information security and secret communications. Steganography is the science of embedding secret information into the cover media with the modification to the cover image, which cannot be easily identified by human eyes.Hiding secret information in video file is known as video steganography. Because of security threats today through modern malevolent technology, confidential information is at risk such as medical records and banking or financial data.This proposal aims to improve security, robustness and payload capacity using video file. Thus, to embed the secret image behind the video file transformation technique (discrete wavelt transform and arnold transform), to perform double key encryption steps, twist exchange process will be used. Moreover, to extract encrypted key behind the audio file random password with time limitation system is also used for more authenticated system.