Cryptology ePrint Archive: Report 2008/277

A strategy for any DAA Issuer and an additional verification by a Host

Vadym Fedyukovych

Abstract: A successful strategy was identified for any Verifier colluding with any Issuer to distinguish honest Provers issuing DAA signatures. An additional verification equation was introduced for a Prover to detect 'tagged' credentials that may be issued while Join protocol. This verification can be done by the Host and do not affect TPM in any way.

Category / Keywords: cryptographic protocols / DAA, digital signatures, anonymity

Publication Info: unpublished

Date: received 15 Jun 2008

Contact author: vf at unity net

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Version: 20080618:130427 (All versions of this report)

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