## CryptoDB

### Paper: Construction of Universal Designated-Verifier Signatures and Identity-Based Signatures from Standard Signatures

Authors: Siamak F Shahandshti Reihaneh Safavi-Naini URL: http://eprint.iacr.org/2007/462 Search ePrint Search Google We give a generic construction of universal designated-verifier signature schemes from a large class C of signature schemes. Our constructions are comparable in terms of cost and size to their counterparts, while offering the following two main attractive features: Firstly, our constructions are provably non-delegatable beside being DV-unforgeable and non-transferable. Secondly, in our constructions, the signer and the designated verifier can choose different cryptographic settings of their own independently. We also propose a generic construction of identity-based signature schemes from any signature scheme in C and prove the construction secure against adaptive chosen message and identity attacks. We discuss possible extensions of our constructions to universal multi-designated-verifier signatures, hierarchical identity-based signatures, identity-based universal designated verifier signatures, and identity-based ring signatures from any signature in C.
##### BibTeX
@misc{eprint-2007-13742,
title={Construction of Universal Designated-Verifier Signatures and Identity-Based Signatures from Standard Signatures},
booktitle={IACR Eprint archive},
keywords={public-key cryptography / Public-Key Cryptography, Digital Signatures, Designated Verifier Signature, Identity-Based Signature, Signature of Knowledge, Generic Construction},
url={http://eprint.iacr.org/2007/462},
note={To appear in PKC'08 siamax@gmail.com 13859 received 10 Dec 2007, last revised 11 Dec 2007},
author={Siamak F Shahandshti and Reihaneh Safavi-Naini},
year=2007
}