A Digital Signature Based on a Conventional Encryption Function
CRYPTO '87 A Conference on the Theory and Applications of Cryptographic Techniques on Advances in Cryptology
Efficient Authentication and Signing of Multicast Streams over Lossy Channels
SP '00 Proceedings of the 2000 IEEE Symposium on Security and Privacy
Computation, Memory and Bandwidth Efficient Distillation Codes to Mitigate DoS in Multicast
SECURECOMM '05 Proceedings of the First International Conference on Security and Privacy for Emerging Areas in Communications Networks
Ensuring Authentication of Digital Information Using Cryptographic Accumulators
CANS '09 Proceedings of the 8th International Conference on Cryptology and Network Security
Achieving multicast stream authentication using MDS codes
CANS'06 Proceedings of the 5th international conference on Cryptology and Network Security
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In this work, we investigate the application of geometric representation of hash vectors of the information packets in multicast authentication protocols. To this end, a new authentication approach based on geometric properties of hash vectors in an $n-$dimensional vector space is proposed. The proposed approach enables the receiver to authenticate the source packets and removes malicious packets that may have been injected by an adversary into the channel. A salient feature of the proposed scheme is that its bandwidth overhead is independent from the number of injected packets. Moreover, the performance analysis verifies that the proposed scheme significantly reduces the bandwidth overhead as compared to the well known multicast authentication protocols in the literature (e.g., PRABS).