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A short non-delegatable strong designated verifier signature.
- Source :
- Frontiers of Computer Science; Jun2014, Vol. 8 Issue 3, p490-502, 13p
- Publication Year :
- 2014
-
Abstract
- A non-delegatable strong designated verifier signature (NSDVS) enforces verification of a signature by a designated verifier only. The concept is useful in various commercial cryptographic applications such as copyright protection, e-voting, and e-libraries. This paper reports the shortest NSDVS so far that consists of only two elements. The scheme is inspired by an identification scheme and Cramer et al.'s OR-proof technique where a prover can prove that he knows at least one out two secrets. It is solidified by a symmetric key based group to group encryption algorithm. Two implementations of the algorithm are reported. The scheme is provably secure with respect to its properties of unforgeability, non-transferability, privacy of signer's identity, and non-delegatability. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 20952228
- Volume :
- 8
- Issue :
- 3
- Database :
- Complementary Index
- Journal :
- Frontiers of Computer Science
- Publication Type :
- Academic Journal
- Accession number :
- 96330438
- Full Text :
- https://doi.org/10.1007/s11704-013-3120-4