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基于ElGamal的证实数字签名方案

A Confirmer Signature Scheme Based on ElGamal
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摘要 验证者要知道一个证实数字签名的有效性,必须得到一个称为证实者的第三方的帮助与合作。签名者的安全性和证实签名的“不可见性”是一个证实数字签名方案必须具备的两个重要特性。现存的证实签名实现方案,或者是低效的,或者是不安全的[9]。本文首次基于ElGamal签名机制提出一种新的证实数字签名方案,分析表明,该方案是一种安全而高效的证实数字签名实现方案。 Without the help and cooperation of a designated confirmer, a verifier cannot determine the validity of a eonfirmer signature. The subscriber＇ s security and the eonfirrner signature invisibility are characteristic to a eonfirmer signature scheme. Considering the insecurity or inefficiency of current eonfirmer signature schemes, a new eonfirmer signature scheme based on EIGamal is proposed for the first time in this thesis. It is showed that the new scheme is an implementation of secure and efficient confirmer signature,
作者 李凤银 鞠宏伟
机构地区 曲阜师范大学计算机学院 曲阜师范大学资产管理处
出处 《信息技术与信息化》 2005年第6期41-43,共3页 Information Technology and Informatization
关键词 证实数字签名 不可否认签名 ELGAMAL 数字签名 Confinner signature Undeniable signature ElGamal Digital signature
分类号 TP309 [自动化与计算机技术—计算机系统结构]
  • 相关文献

参考文献9

  • 1Chaum D, Van Antwerpen H. Undeniable signatures. In:Proc. of the Advances in Cryptography-CRYPTO' 89. LNCS 435, Berlin: Springer-Verlag, 1989.212-216.
  • 2National Institute of Standard and Technology. Secure hash standard. NIST FIPS PUB 180-1, Washington: Department of Commerce, NIST, 1995. http://csrc, fist. gov/cryptval/html.
  • 3Chaum D. Designated confirmer signatures. In: Proc. of the Advances in Cryptography-EUROCRYPT' 94. LNCS 950,Berlin: Springer-Verlag, 1994.86-89.
  • 4Okamoto T. Designated confirmer signatures and public-key encryption axe equivalent. In: Proc. of the Advances in Cryptography-CRYFFO' 94. LNCS 839, Berlin: Springer-Verlag, 1994 . 61-74.
  • 5Michels M, Stadler M. Genetic constructions for secure and efficient confinner signature schemes. In: Proc. of the Advances in Cryptography-EUROCRYPT'98. LNCS 1403, Berlin: Springer-Verlag, 1998.406-421.
  • 6Camenisch J, Michels M. Confirmer signature schemes secure against adaptive adversaries(extended abstract). In: Proc. of the Advances in Cryptography-EUROCRYPT' 2000. LNCS1807, Berlin: Springer-Verlag, 2000.243-258.
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二级参考文献10

  • 1[1]Chaum D, van Antwerpen H. Undeniable signatures. In: Brassard G, ed. Proceedings of the Advances in Cryptology (CRYPTO'89). LNCS 435, Berlin: Springer-Verlag, 1990. 212～216.
  • 2[2]Chaum D. Designated confirmer signatures. In: De Santis A, ed. Proceedings of the Advances in Cryptology (EUROCRYPT'94). LNCS 950, Berlin: Springer-Verlag, 1994. 86～89.
  • 3[3]Okamoto T. Designated confirmer signatures and public-key encryption are equivalent. In: Desmendt YG, ed. Proceedings of the Advances in Cryptology (CRYPTO'94). LNCS 839, Berlin: Springer-Verlag, 1994. 61～74.
  • 4[4]Michels M, Stadler M. Generic constructions for secure and efficient confirmer signature schemes. In: Nyberg K, ed. Proceedings of the Advances in Cryptology (EUROCRYPT'98). LNCS 1403, Berlin: Springer-Verlag, 1998. 406～412.
  • 5[5]Camenisch J, Michels M. Confirmer signature secure against adaptive adversaries. In: Preneel B, ed. Proceedings of the Advances in Cryptology (EUROCRYPT 2000). LNCS 1807, Berlin: Springer-Verlag, 2000. 243～258.
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  • 8[8]National Institute of Standards and Technology. Digital signature standard. NIST FIPS PUB 186, Department of Commerce, NIST, 1994.
  • 9[9]National Institute of Standards and Technology. Secure hash standard. NIST FIPS PUB 180-1, Washington D.C.: Department of Commerce, NIST, 1995. http://csrc.nist.gov/cryptval/shs.html.
  • 10王尚平,王育民,张亚玲.基于DSA及RSA的证实数字签名方案[J].软件学报,2003,14(3):588-593. 被引量：43

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信息技术与信息化
2005年 第6期

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