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可公開驗證的ElGamal／RSA加密

伍前紅,  王繼林,  袁素春,  王育民

伍前紅, 王繼林, 袁素春, 王育民. 可公開驗證的ElGamal／RSA加密[J]. 電子與信息學(xué)報, 2005, 27(4): 608-611.
引用本文: 伍前紅, 王繼林, 袁素春, 王育民. 可公開驗證的ElGamal／RSA加密[J]. 電子與信息學(xué)報, 2005, 27(4): 608-611.
Wu Qian-hong, Wang Ji-lin, Yuan Su-chun, Wang Yu-min. Publicly Verifiable Encryption for ElGamal/RSA Encryption[J]. Journal of Electronics & Information Technology, 2005, 27(4): 608-611.
Citation: Wu Qian-hong, Wang Ji-lin, Yuan Su-chun, Wang Yu-min. Publicly Verifiable Encryption for ElGamal/RSA Encryption[J]. Journal of Electronics & Information Technology, 2005, 27(4): 608-611.

可公開驗證的ElGamal／RSA加密

Publicly Verifiable Encryption for ElGamal/RSA Encryption

  • 摘要: 可公開驗證加密允許任何實體驗證加密的消息和先前承諾的秘密一樣，但不會泄漏明文的任何信息。這在公平交換、防欺騙的秘密分享和安全多方計算中有重要應(yīng)用。該文分別給出可公開驗證的ElGamal加密和RSA加密方案。其中前者是Stalderr方案的改進(jìn)，改進(jìn)后的方案是語義安全的而Stalder方案達(dá)不到語義安全性。同時將該方案推廣到了多個接受者的情形，最后給出了高效的可公開驗證RSA加密方案。
    Abstract: A publicly verifiable encryption scheme allows any entity to verify that a cipher-text hides the same message as committed before without revealing it. It is important to construct fair exchange scheme, publicly verifiable secret sharing and cheater-resistant secure multi-party computation. In this paper, publicly verifiable encryption schemes are presented for ElGamal/RSA cryptosystem. The ElGamal case is an improved version of Stadler publicly verifiable encryption scheme. The improved scheme is semantic secure while Stadler scheme is not. Also, the scheme is extended to the context of multi-recipient ElGamal encryption and an efficient publicly verifiable RSA scheme is proposed.
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  • Stadler M. Publicly verifiable secret sharing[J].In EUROCRYPT96, Brussels, Belgium, Springer Verlag, LNCS.1996, vol. 1070:191-[2]Asokan N, Shoup V, Waidner M. Optimistic fair exchange of digital signatures[J].In EUROCRYPT98, Paris, France, Springer Verlag, LNCS.1998, vol. 1403:591-[3]Camenisch J, Maurer U, Stadler M. Digital payment systems with passive anonymity revoking trustees[J].In Computer SecurityESORICS96, Berlin, German, Springer-Verlag, LNCS.1996, vol.1146:33-[4]Frankel Y, Tsiounis Y, Yung M. Indirect discourse proofs:achieving efficient fair on-line e-cash[J].In ASIACRYPT96,Tokyo, Japan, Springer-Verlag, LNCS.1996, vol. 1163:68-[5]Poupard G, Stem J. Fair encryption of RSA keys[J].In EUROCRYPT00, Springer-Verlag, LNCS.2000, vol. 1807:173-[6]Young A, Yung M. Auto-recoverable auto-certifiable cryptosystems[J].In EUROCRYPT98, Paris, France, Springer Verlag, LNCS.1998, vol. 1403:17-[7]Fujisaki, E., Okamoto, T[J].Statistical zero knowledge protocols to prove modular polynomial relations. In CRYPTO97, Francisco,America, Springer Verlag, LNCS.1997, vol. 1294:16-[8]Chaum D, Pedersen T R. Wallet databases with observers[J].In CRYPTO92, Florida, America, Springer-Verlag. LNCS.1993,vol.740:89-
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出版歷程
  • 收稿日期:  2003-12-25
  • 修回日期:  2004-06-15
  • 刊出日期:  2005-04-19

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