Octavio Perez-Kempner

According to our database, Octavio Perez-Kempner authored at least 14 papers between 2018 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Constant-Size Inner Product Arguments for Group-Scalar Relations, Dynamic Threshold VRFs, and More.

Omid Mir, Octavio Perez-Kempner, Sebastian Ramacher, Daniel Slamanig

IACR Cryptol. ePrint Arch., 2025

Privacy-Preserving Multi-signatures: Generic Techniques and Constructions Without Pairings.

Calvin Abou Haidar, Dipayan Das, Anja Lehmann, Cavit Özbay, Octavio Perez-Kempner

Proceedings of the Public-Key Cryptography - PKC 2025, 2025

A Certified-Input Mixnet from Two-Party Mercurial Signatures on Randomizable Ciphertexts.

Masayuki Abe, Masaya Nanri, Miyako Ohkubo, Octavio Perez-Kempner, Daniel Slamanig, Mehdi Tibouchi

Proceedings of the Computer Security - ESORICS 2025, 2025

2024

Scalable Mixnets from Mercurial Signatures on Randomizable Ciphertexts.

Masayuki Abe, Masaya Nanri, Miyako Ohkubo, Octavio Perez-Kempner, Daniel Slamanig, Mehdi Tibouchi

IACR Cryptol. ePrint Arch., 2024

SoK: Signatures with Randomizable Keys.

Sofía Celi, Scott Griffy, Lucjan Hanzlik, Octavio Perez-Kempner, Daniel Slamanig

Proceedings of the Financial Cryptography and Data Security, 2024

Delegatable Anonymous Credentials from Mercurial Signatures with Stronger Privacy.

Scott Griffy, Anna Lysyanskaya, Omid Mir, Octavio Perez-Kempner, Daniel Slamanig

Proceedings of the Advances in Cryptology - ASIACRYPT 2024, 2024

Interactive Threshold Mercurial Signatures and Applications.

Masayuki Abe, Masaya Nanri, Octavio Perez-Kempner, Mehdi Tibouchi

Proceedings of the Advances in Cryptology - ASIACRYPT 2024, 2024

2022

Malleable cryptography: advances and applications to privacy-enhancing technologies. (Cryptographie malléable: avancés et ses applications en technologies pour l'amélioration de la confidentialité).

Octavio Perez-Kempner

PhD thesis, 2022

Protego: A Credential Scheme for Permissioned Blockchains (Extended Version).

Aisling Connolly, Jérôme Deschamps, Pascal Lafourcade, Octavio Perez-Kempner

IACR Cryptol. ePrint Arch., 2022

Improved Constructions of Anonymous Credentials from Structure-Preserving Signatures on Equivalence Classes.

Aisling Connolly, Pascal Lafourcade, Octavio Perez-Kempner

Proceedings of the Public-Key Cryptography - PKC 2022, 2022

Protego: Efficient, Revocable and Auditable Anonymous Credentials with Applications to Hyperledger Fabric.

Aisling Connolly, Jérôme Deschamps, Pascal Lafourcade, Octavio Perez-Kempner

Proceedings of the Progress in Cryptology - INDOCRYPT 2022, 2022

2021

Generic Plaintext Equality and Inequality Proofs (Extended Version).

Olivier Blazy, Xavier Bultel, Pascal Lafourcade, Octavio Perez-Kempner

IACR Cryptol. ePrint Arch., 2021

Generic Plaintext Equality and Inequality Proofs.

Olivier Blazy, Xavier Bultel, Pascal Lafourcade, Octavio Perez-Kempner

Proceedings of the Financial Cryptography and Data Security, 2021

2018

When Blockchain Meets the Right to Be Forgotten: Technology versus Law in the Healthcare Industry.

Aurelie Bayle, Mirko Koscina, David Manset, Octavio Perez-Kempner

Proceedings of the 2018 IEEE/WIC/ACM International Conference on Web Intelligence, 2018