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Accelerating methods are used to enhance TCP performance over satellite links by employing Performance Enhancement Proxies (PEPs). However, providing a secure connection through the PEPs seems to be impossible. In this paper, an appropriate method is proposed in order to provide an accelerated secure E2E connection. The authors show an efficient secure three-party protocol, based on Public Key Infrastructure (PKI), which provides security against spiteful adversaries. Their construction is based on applying asymmetric cryptography techniques to the original IKE protocol. Security protocols use cryptography to set up private communication channels on an insecure network. Many protocols contain flaws and because security goals are seldom specified in detail, they cannot be certain what constitute a flaw. Proofing security properties is essential for the development of secure protocol.
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