Title:
IDENTITY-BASED IDENTITY HIDING KEY AGREEMENT METHOD BASED ON BILINEAR PARING
Document Type and Number:
WIPO Patent Application WO/2020/164252
Kind Code:
A1
Abstract:
The present invention provides an efficient identity-based identity hiding key agreement method based on bilinear paring. The method is unique and is the most simple and efficient identity-based key agreement protocol having convenient and flexible communication, privacy protection, and strong security at present due to the following features: (1) high efficiency: each user only needs to carry out 1 pairing operation and 3 modular exponentiations; (2) simplicity: no master public key is required; (3) communication convenience and flexibility: the two communication parties do not need to know the identity of each other in advance; (4) privacy protection: identity hiding protection and deniable privacy protection are provided; and (5) strong security: strong provable security against temporary key leakage.
Inventors:
ZHAO YUNLEI (CN)
HUANG XINGZHONG (CN)
HUANG XINGZHONG (CN)
Application Number:
PCT/CN2019/112511
Publication Date:
August 20, 2020
Filing Date:
October 22, 2019
Export Citation:
Assignee:
SHANGHAI HUMIN BLOCKCHAIN TECH CO LTD (CN)
International Classes:
H04L9/08
Foreign References:
| CN109698747A | 2019-04-30 | |||
| CN106453253A | 2017-02-22 | |||
| CN103634115A | 2014-03-12 | |||
| CN104868993A | 2015-08-26 | |||
| US7817802B2 | 2010-10-19 |
Other References:
DING, HUI; YIN, XINCHUN: "New Identity-based Authenticated Key Agreement Protocol", COMPUTER ENGINEERING, vol. 36, no. 23, 31 December 2010 (2010-12-31), XP009522669, ISSN: 1000-3428
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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