Dynamic Universal Accumulators for DDH Groups and Their Application to Attribute-Based Anonymous Credential Systems Export

@incollection{citeulike:5849611, abstract = {We present the first dynamic universal accumulator that allows (1) the accumulation of elements in a DDH-hard group and (2) one who knows x such that y = g x has — or has not — been accumulated, where g generates , to efficiently prove her knowledge of such x in zero knowledge, and hence without revealing, e.g., x or y. We introduce the Attribute-Based Anonymous Credential System, which allows the verifier to authenticate anonymous users according to any access control policy expressible as a formula of possibly negated boolean user attributes. We construct the system from our accumulator.}, author = {Au, Man and Tsang, Patrick and Susilo, Willy and Mu, Yi}, booktitle = {CT-RSA}, citeulike-article-id = {5849611}, citeulike-linkout-0 = {http://dblp.uni-trier.de/rec/bibtex/conf/ctrsa/AuTSM09}, citeulike-linkout-1 = {http://dx.doi.org/10.1007/978-3-642-00862-7_20}, citeulike-linkout-2 = {http://www.springerlink.com/content/2gg7n1876t15j678}, doi = {10.1007/978-3-642-00862-7_20}, isbn = {978-3-642-00861-0}, journal = {Topics in Cryptology – CT-RSA 2009}, keywords = {accumulators}, pages = {295--308}, posted-at = {2009-09-29 15:21:12}, priority = {2}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Dynamic Universal Accumulators for DDH Groups and Their Application to Attribute-Based Anonymous Credential Systems}, url = {http://dx.doi.org/10.1007/978-3-642-00862-7_20}, volume = {5473}, year = {2009} }

TY - CHAP ID - citeulike:5849611 L3 - citeulike-article-id:5849611 N2 - We present the first dynamic universal accumulator that allows (1) the accumulation of elements in a DDH-hard group and (2) one who knows x such that y = g x has — or has not — been accumulated, where g generates , to efficiently prove her knowledge of such x in zero knowledge, and hence without revealing, e.g., x or y. We introduce the Attribute-Based Anonymous Credential System, which allows the verifier to authenticate anonymous users according to any access control policy expressible as a formula of possibly negated boolean user attributes. We construct the system from our accumulator. JF - Topics in Cryptology – CT-RSA 2009 SE - Lecture Notes in Computer Science SN - 978-3-642-00861-0 EP - 308 TI - Dynamic Universal Accumulators for DDH Groups and Their Application to Attribute-Based Anonymous Credential Systems PB - Springer VL - 5473 T2 - CT-RSA SP - 295 KW - accumulators AU - Au, Man AU - Tsang, Patrick AU - Susilo, Willy AU - Mu, Yi PY - 2009/// UR - http://dx.doi.org/10.1007/978-3-642-00862-7_20 ER -