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All Journal International Journal of Reconfigurable and Embedded Systems (IJRES)
Shilpa Chaudhari
M.S. Ramaiah School of Advanced Studies
Economics, Econometrics & Finance

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Design of Secure Transmission of Multimedia Data Using SRTP on Linux Platform Shashidhar H.G.; Sanket Dessai; Shilpa Chaudhari
International Journal of Reconfigurable and Embedded Systems (IJRES) Vol 4, No 2: July 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1126.319 KB) | DOI: 10.11591/ijres.v4.i2.pp71-81

Abstract

This paper aims for providing a viable solution for security in streaming media technology. Service providers do not want the end users to capture and duplicate streaming media data. Once captured data can be re-distributed to millions without any control from the source.  Licensing issues also dictate the number of times end user may utilize the data. Encryption is not sufficient as it leaves the system vulnerable to duplication and recording after decryption. In this paper an attempt has been made to transmit digital multimedia data to multiple users. The transmission of the video/audio data has been attempted from one PC to another PC. While doing this, security considerations have to be taken care by using suitable encryption/decryption techniques.  A research carried out on the different data transmission protocols reveals that the Secure Real Time Transport Protocol (SRTP) is one of the best available protocols. Hence the SRTP has been deployed in this project on Linux OS using socket programming. The code for the transmitter and the receiver is designed and developed around the SRTP library for transmission of multimedia data.  The solution is illustrated by choosing an example of a video clip for transmission and reception. This model increasing the security of streaming media and adds a measure of integrity protection, but it is primarily intended to aid in replay preventions.
Development of BSP for ARM9 Evaluation Board Vinayak Pandit K.; Sanket Dessai; Shilpa Chaudhari
International Journal of Reconfigurable and Embedded Systems (IJRES) Vol 4, No 3: November 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (853.943 KB) | DOI: 10.11591/ijres.v4.i3.pp161-172

Abstract

With an increasing usage of ARM9 core for different kinds of applications ranging from data acquisition to Mobile application, there arises the need for developing ARM9 based board. To bring up this board, board supporting package (BSP) is must. Board supporting package virtualizes the platform hardware so that the different drivers can be ported easily on any hardware. The boot loader is the initial stage of firmware, which initializes the hardware components presents on the board. A universal Bootloader is chosen and is to be customized with respect to target board. In the later section bootloader is interfaced to the kernel which is obtained form an authorized distributor under general purpose license. The customized board specific routines as well drivers are ported onto the hardware. Then the compiled kernel image is ported onto the target board using a debugger and SAM-BA utility. Linux kernel has seen major releases; the basic architecture of the Linux kernel has remained more or less unchanged. The latest 2.6 version of Linux kernel is ported onto target hardware. Kernel support for many architectures and high-end I/O devices gives the independence to choose appropriate hardware for developing system. The bootloader customization is the critical step, which involves a lot of modifications in the header files. BSP components such as bootloader, kernel is compiled using GNU tool chain; obtained image is ported on target using debugger. BSP porting is a very complex task, which required knowledge of hardware and software control sequence and boot strategy of the controller.
Co-Authors Sanket Dessai Shashidhar H.G. Vinayak Pandit K.