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Paper 2012/568

On Transaction Pseudonyms with Implicit Attributes

Stefan G. Weber

Abstract

Transaction pseudonyms with implicit attributes are a novel approach to multilevel linkable transaction pseudonyms. We extend earlier work of Juels and Pappu on reencryption-based transaction pseudonyms, by developing new mechanisms for controlled pseudonym linkability. This includes mechanisms for cooperative, stepwise re-identication as well as individual authentication of pseudonyms. Our proposal makes use of efficient techniques from the area of secure multiparty computation and cryptographically secure PRNGs.

Note: Added keywords

Metadata
Available format(s)
PDF
Publication info
Published elsewhere. Unknown where it was published
Keywords
PseudonymityPrivacy ProtectionAccountabilitySecure Multiparty Computation
Contact author(s)
StefanGeorgWeber @ gmail com
History
2012-10-07: received
Short URL
https://ia.cr/2012/568
License
Creative Commons Attribution
CC BY
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