Telecommunications Science ›› 2015, Vol. 31 ›› Issue (10): 99-102.doi: 10.11959/j.issn.1000-0801.2015202

• research and development • Previous Articles     Next Articles

A Forward-Secure Digital Signature Based on Elliptic Curve

Huiyan Chen1,Yong Yuan2,Zongjie Wan1,Le Liu2,Yi Yang1   

  1. 1 Beijing Electronic Science and Technology Institute,Beijing 100070,China
    2 Xidian University,Xi’an 710071,China
  • Online:2015-10-20 Published:2017-07-21
  • Supported by:
    The Fundamental Research Funds for the Central Universities;Open Fund of Key Laboratory of Beijing Electronic Science and Technology Institute

Abstract:

The forward-secure digital signature is an important digital signature scheme.It requires that even if the attackers have already been given a signature key by invading a system in t time,it still can’t forge signatures before time t.In other words,the forward-secure digital signature provides an assurance that any signatures in the previous periods are still valid before the key compromises.Based on the elliptic curve discrete logarithm problem and the factoring problem,a forward-secure digital signature scheme was put forward,and the safety and efficiency of the program was analyzed and proved systematically.

Key words: forward-secure, elliptic curve, discrete logarithm, signature, factoring

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