Improving the performance of security of real-time video over IP

Authors:
Hesham N. Elmahdy;Amira Kotb;Karim Youssef A. El-Halim
Affiliations:
Information Technology Department, Faculty of Computers and Information, Cairo University, Giza, Egypt;Information Technology Department, Faculty of Computers and Information, Cairo University, Giza, Egypt;Information Technology Department, Faculty of Computers and Information, Cairo University, Giza, Egypt
Venue:
AIC'10/BEBI'10 Proceedings of the 10th WSEAS international conference on applied informatics and communications, and 3rd WSEAS international conference on Biomedical electronics and biomedical informatics
Year:
2010

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Abstract

Real-time transmission of audio and video streams has become a common way of interaction and communication all over the world. With the tremendous uses of the Internet, the need for a secure communication environment is a must. Towards this direction, this paper presents a technique of improving the performance of security of video over IP networks. That proposed technique is based on stream ciphers. We deal with any video as a stream of bits of data when sending or receiving it. Encryption is applied on the bit-stream then transmitted in an encrypted format over the network. Decryption would be done at the destination entity within the acceptable time. The proposed technique guarantees that the real-time stream is delivered in time. Synchronization between the sender and receiver is fulfilled. Security and privacy requirements are preserved as well. Through this paper, a full specification of the proposed technique is provided: experimental results, statistical analysis and sensitivity analysis. Modifications in the Real-time Transport Protocol (RTP) are exploited. Video encryption (enciphering) and decryption (deciphering) while transmission/reception are discussed in details. The implementation was done using Java programming.