5 Result(s)
within
Esha Ghosh
English
Computer Communication Networks
Cryptology
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Chapter and Conference Paper
Credential Transparency System
A major component of the entire digital identity ecosystem are verifiable credentials. However, for users to have complete control and privacy of their digital credentials, they need to be able to store and ma...
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Chapter and Conference Paper
Rotatable Zero Knowledge Sets
Key Transparency (KT) systems allow end-to-end encrypted service providers (messaging, calls, etc.) to maintain an auditable directory of their users’ public keys, producing proofs that all participants have a co...
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Chapter and Conference Paper
Secret-Shared Shuffle
Generating additive secret shares of a shuffled dataset - such that neither party knows the order in which it is permuted - is a fundamental building block in many protocols, such as secure collaborative filterin...
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Chapter and Conference Paper
Verifiable Zero-Knowledge Order Queries and Updates for Fully Dynamic Lists and Trees
We propose a three-party model for maintaining a dynamic data structure that supports verifiable and privacy-preserving (zero-knowledge) queries. We give efficient constructions supporting this model for order...
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Chapter and Conference Paper
Zero-Knowledge Authenticated Order Queries and Order Statistics on a List
An order query takes as input a set of elements from a list (ordered sequence) \(\mathcal {L}\) , and asks for this se...
