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Sunniva Engan

dblp:397/1216 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2025
0009-0009-3817-1538ORCID · reported

Domains — the database's venue-derived domains; a paper can count in several

Security and privacy · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Network and information security
1 paper
Cryptographic primitives and cryptanalysis · 40% Cryptographic protocols and secure computation · 40% Blockchain and cryptocurrency security · 20%

Topics — the 4 heaviest of 5, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Cryptographic primitives and cryptanalysis
post-quantum cryptography		 0.912025
Post-Quantum Threshold Ring Signature Applications from VOLE-in-the-Head · CCS 2025
Cryptographic primitives and cryptanalysis › public-key cryptography › digital signatures › ring signature
threshold ring signature		 0.912025
Post-Quantum Threshold Ring Signature Applications from VOLE-in-the-Head · CCS 2025
Cryptographic protocols and secure computation › proof systems › zero-knowledge proofs
VOLE-in-the-head		 0.912025
Post-Quantum Threshold Ring Signature Applications from VOLE-in-the-Head · CCS 2025
Cryptographic protocols and secure computation › proof systems
zero-knowledge proofs		 0.912025
Post-Quantum Threshold Ring Signature Applications from VOLE-in-the-Head · CCS 2025
YearPublicationVenuePosition
2025 Post-Quantum Threshold Ring Signature Applications from VOLE-in-the-Head
abstract
We propose efficient, post-quantum threshold ring signatures constructed from one-wayness of AES encryption and the VOLE-in-the-Head zero-knowledge proof system. Our scheme scales efficiently to large rings and extends the linkable ring signatures paradigm. We define and construct key-binding deterministic tags to achieve linkability. We then extend our threshold ring signatures to realize post-quantum anonymous ledger transactions in the spirit of Monero. Finally, our deterministic tags also enable succinct aggregation using approximate lower bound arguments of knowledge; this allows us to achieve succinct (approximate) multi-signatures without SNARKs. Our constructions assume symmetric key primitives only.
James Hsin-yu Chiang, Ivan Damgård, William R. Duro, Sunniva Engan, Sebastian Kolby, Peter Scholl
 CCS4