Secure Direct Communication Using Quantum Calderbank-Shor-Steane Codes

Xin Lu; Zhi Ma; Dengguo Feng

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Paper 2004/229

Secure Direct Communication Using Quantum Calderbank-Shor-Steane Codes

Xin Lu, Zhi Ma, and Dengguo Feng

Abstract

The notion of quantum secure direct communication (QSDC) has been introduced recently in quantum cryptography as a replacement for quantum key distribution, in which two communication entities exchange secure classical messages without establishing any shared keys previously. In this paper, a quantum secure direct communication scheme using quantum Calderbank-Shor-Steane (CCS) error correction codes is proposed. In the scheme, a secure message is first transformed into a binary error vector and then encrypted(decrypted) via quantum coding(decoding) procedures. An adversary Eve, who has controlled the communication channel, can't recover the secrete messages because she doesn't know the deciphering keys. Security of this scheme is based on the assumption that decoding general linear codes is intractable even on quantum computers.

Metadata

Available format(s): PDF PS
Category: Cryptographic protocols
Publication info: Published elsewhere. Unknown where it was published
Keywords: quantum cryptography
Contact author(s): lx @ is ac cn
History: 2004-09-14: revised; 2004-09-09: received; See all versions
Short URL: https://ia.cr/2004/229
License: CC BY

BibTeX

@misc{cryptoeprint:2004/229,
      author = {Xin Lu and Zhi Ma and Dengguo Feng},
      title = {Secure Direct Communication Using Quantum Calderbank-Shor-Steane Codes},
      howpublished = {Cryptology ePrint Archive, Paper 2004/229},
      year = {2004},
      note = {\url{https://eprint.iacr.org/2004/229}},
      url = {https://eprint.iacr.org/2004/229}
}