PFX: An essence of authencryption for block-cipher security

Tzonelih Hwang, Prosanta Gope

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Privacy and authentication are two primary aspects of many security systems. In this article, we propose a new mode of operation for block encryption called plain-text feedback XORing (PFX), which can assure both confidentiality and message integrity together, when it is integrated with other encryption modes. It requires only n+1 of block encryptions on plain text of length n or n+1 (considering the final n+1th block of the plain text as an indicator) blocks, in order to deal with several issues like "bit flipping attack," "limited error propagation," and so on, existing in some well-known conventional encryption modes like counter (CTR), cipher block chaining (CBC), and so on. We argue that the integration of PFX with other modes of operation (CTR, CBC, etc.) will not deteriorate their privacy level, instead, will surely enhance their level of integrity.

Original languageEnglish
Pages (from-to)1186-1197
Number of pages12
JournalSecurity and Communication Networks
Volume9
Issue number10
DOIs
Publication statusPublished - 2016 Jul 10

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Computer Networks and Communications

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