Secure OCDM Transmission Using a Planar Multiport Encoder/Decoder

Gabriella Cincotti, Gianluca Manzacca, Valentina Sacchieri, Xu Wang, Naoya Wada, Ken-ichi Kitayama

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We present different optical secure point-to-point transmission schemes using a planar multiport encoder/decoder. We consider both bit- and block-cipher cryptography: in the first case, each bit (both mark and space) from each user is encoded in a two-key optical code-division multiplexing signal. Block-cipher cryptography encodes a stream of n bits into a single code and corresponds to optical M-ary transmission. We demonstrate that block-ciphers are more secure with respect to bit-ciphers schemes and also against known-plaintext and chosen-plaintext attacks.

Original languageEnglish
Pages (from-to)1798-1806
Number of pages9
JournalJournal of Lightwave Technology
Volume26
Issue number13-16
DOIs
Publication statusPublished - 2008

Keywords

  • Communication system security
  • Cryptography
  • Decoding
  • Decryption
  • Encoding
  • Encryption
  • Optical code-division multiplexing (OCDM)
  • Optical communications
  • Passive optical networks (PONs)

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