An hybrid approach for efficient multicast stream authentication over unsecured channels
Tartary, Christophe, Wang, Huaxiong, & Pieprzyk, Josef (2007) An hybrid approach for efficient multicast stream authentication over unsecured channels. Lecture Notes in Computer Science : Provable Security, 4784, pp. 17-34.
We study the multicast stream authentication problem when an opponent can drop, reorder and inject data packets into the communication channel. In this context, bandwidth limitation and fast authentication are the core concerns. Therefore any authentication scheme is to reduce as much as possible the packet overhead and the time spent at the receiver to check the authenticity of collected elements. Recently, Tartary and Wang developed a provably secure protocol with small packet overhead and a reduced number of signature verifications to be performed at the receiver.
In this paper, we propose an hybrid scheme based on Tartary and Wang’s approach and Merkle hash trees. Our construction will exhibit a smaller overhead and a much faster processing at the receiver making it even more suitable for multicast than the earlier approach. As Tartary and Wang’s protocol, our construction is provably secure and allows the total recovery of the data stream despite erasures and injections occurred during transmission.
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|Item Type:||Journal Article|
|Additional Information:||Paper presented in the First International Conference, ProvSec 2007, Wollongong, Australia, November 1-2, 2007. Print ISBN
|Keywords:||Stream Authentication, Polynomial Reconstruction, Unsecured Channel, Merkle Hash Tree, Erasure Code|
|Divisions:||Current > QUT Faculties and Divisions > Science & Engineering Faculty|
|Deposited On:||08 Jul 2014 01:12|
|Last Modified:||15 Jul 2014 03:27|
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