Dual-Layer Video Encryption using RSA Algorithm
Aman Chadha, Sushmit Mallik, Ankit Chadha, Ravdeep Johar, M. Mani, Roja

TL;DR
This paper introduces a dual-layer video encryption system combining RSA and PN sequences to enhance security for sensitive video data, demonstrating effectiveness in preventing visual recognition and maintaining efficiency.
Contribution
It presents a novel dual-layer encryption method for AVI videos using RSA and PN sequences, improving security while balancing speed and visual degradation.
Findings
Effective encryption with negligible visual similarity to original videos
System is invulnerable to common security attacks
Flexible encryption levels for different security needs
Abstract
This paper proposes a video encryption algorithm using RSA and Pseudo Noise (PN) sequence, aimed at applications requiring sensitive video information transfers. The system is primarily designed to work with files encoded using the Audio Video Interleaved (AVI) codec, although it can be easily ported for use with Moving Picture Experts Group (MPEG) encoded files. The audio and video components of the source separately undergo two layers of encryption to ensure a reasonable level of security. Encryption of the video component involves applying the RSA algorithm followed by the PN-based encryption. Similarly, the audio component is first encrypted using PN and further subjected to encryption using the Discrete Cosine Transform. Combining these techniques, an efficient system, invulnerable to security breaches and attacks with favorable values of parameters such as encryption/decryption…
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