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Paper 2004/174
Short Group Signatures
Dan Boneh and Xavier Boyen and Hovav Shacham
Abstract
We construct a short group signature scheme. Signatures in our scheme are approximately the size of a standard RSA signature with the same security. Security of our group signature is based on the Strong Diffie-Hellman assumption and a new assumption in bilinear groups called the Decision Linear assumption. We prove security of our system, in the random oracle model, using a variant of the security definition for group signatures recently given by Bellare, Micciancio, and Warinschi.
Metadata
- Available format(s)
- PDF PS
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. An extended abstract appears in CRYPTO 2004.
- Keywords
- group signatures
- Contact author(s)
- eprint @ boyen org
- History
- 2004-09-03: last of 3 revisions
- 2004-07-21: received
- See all versions
- Short URL
- https://ia.cr/2004/174
- License
-
CC BY