Abstract—A new single packet authentication method HSPA is presented in this paper. HSPA works transparently for authenticating remote clients and in its design solved two main problems, resource starvation attack and the lack of association between the authentication process and establishing process. Authentication data of HSPA packet is maintained secure by encrypting it using Rijndael, in cipher block chaining (CBC) mode, with a block size of 192 bits and a key length of 192 bits. HSPA evaluation study, in accordance to processing overhead, buffering, and communication overhead, shows that HSPA overhead is marginal as compared to its improvements in authentication.
Index Terms—Firewall, passive authentication, port knocking, single packet authorization.
H. Zorkta and B. Almutlaq are with the Aleppo University- Syria (e-mail: drzorkta@hotmail.com, basel_almutlaq@hotmail.com).
Cite: Haythem Zorkta and Basel Almutlaq, "Harden Single Packet Authentication (HSPA)," International Journal of Computer Theory and Engineering vol. 4, no. 5, pp. 717-721, 2012.
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