Stream-based cipher feedback mode in wireless error channel

Yang Xiao, Hsiao-Hwa Chen, Xiaojiang Du, Mohsen Guizani

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Block ciphers encrypt a fixed size block of plaintext at a time to produce a block of ciphertext. Stream ciphers encrypt stream data, such as voice or Telnet traffic, one bit or more bits at a time. The cipher feedback mode is a stream cipher implemented by a block cipher via multiple stages, and in each stage one bit or a number of bits of plaintext are encrypted at a time. In this paper, we study error performance of the stream-based cipher feedback mode in an unreliable wireless channel in terms of throughput. We model performance of the cipher feedback mode in terms of the probability that part of or the whole ciphertext can not be successfully decrypted, and the throughput by adopting the cipher feedback mode. We explicitly derive the optimal number of stages in the cipher feedback mode to achieve the optimal throughput, given an error rate in a wireless network. We also prove that for the cipher feedback mode, the whole ciphertext is successfully decrypted if and only if the whole ciphertext is successfully transmitted.

Original languageEnglish
Article number4786418
Pages (from-to)622-626
Number of pages5
JournalIEEE Transactions on Wireless Communications
Volume8
Issue number2
DOIs
Publication statusPublished - 2009 Feb 1

Fingerprint

Feedback
Throughput
Stream Ciphers
Stream Cipher
Block Ciphers
Block Cipher
Performance Model
Data Streams
Wireless Networks
Error Rate
Wireless networks
Traffic
If and only if

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

Xiao, Yang ; Chen, Hsiao-Hwa ; Du, Xiaojiang ; Guizani, Mohsen. / Stream-based cipher feedback mode in wireless error channel. In: IEEE Transactions on Wireless Communications. 2009 ; Vol. 8, No. 2. pp. 622-626.
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Stream-based cipher feedback mode in wireless error channel. / Xiao, Yang; Chen, Hsiao-Hwa; Du, Xiaojiang; Guizani, Mohsen.

In: IEEE Transactions on Wireless Communications, Vol. 8, No. 2, 4786418, 01.02.2009, p. 622-626.

Research output: Contribution to journalArticle

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