A Study On Forward Secure Mediated RSA Digital Signature


The KIPS Transactions:PartC, Vol. 14, No. 2, pp. 123-128, Apr. 2007
10.3745/KIPSTC.2007.14.2.123,   PDF Download:

Abstract

Many service systems use Public Key Infrastructure (PKI) to protect the service. But there are problems with the use of PKI. One of the problems is that some services would require a function instantaneously to check public key certificate, but PKI does not satisfy such request. To solve the problem, Boneh et al. first proposed the concept of mediated RSA (mRSA). Then Gene Tsudik proposed 'weak' forward secure mRSA. In this paper, we analyze the weakness of these schemes and find the source of the vulnerability. And we propose a new mRSA that is strong forward secure.


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Cite this article
[IEEE Style]
D. Y. Kim and H. S. Ju, "A Study On Forward Secure Mediated RSA Digital Signature," The KIPS Transactions:PartC, vol. 14, no. 2, pp. 123-128, 2007. DOI: 10.3745/KIPSTC.2007.14.2.123.

[ACM Style]
Dae Youb Kim and Hak Soo Ju. 2007. A Study On Forward Secure Mediated RSA Digital Signature. The KIPS Transactions:PartC, 14, 2, (2007), 123-128. DOI: 10.3745/KIPSTC.2007.14.2.123.