Web: https://iacr.org/news/item/19625

Nov. 23, 2022, 4:36 p.m. |

IACR News iacr.org

ePrint Report: Anonymous Tokens with Hidden Metadata Bit from Algebraic MACs

F. Betül Durak, Serge Vaudenay, Melissa Chase


On the one hand, the web needs to be secured from malicious activities such as bots or DoS attacks; on the other hand, such needs ideally should not justify services tracking people's activities on the web. Anonymous tokens provide a nice tradeoff between allowing an issuer to ensure that a user has been vetted and protecting the users' privacy. However, in some …

anonymous eprint report hidden macs metadata tokens

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