Paper 2024/1292 Original: eprint.iacr.org/2024/1292 ↗
Hierarchical Identity-Based Matchmaking Encryption
Abstract
Identity-based matchmaking encryption (IB-ME) is an advanced encryption scheme that allows both the sender and the receiver to specify their respective identities. We study the notion of \emph{hierarchical IB-ME (HIB-ME)}, which augments IB-ME with delegation capabilities. Specifically, we first formalize HIB-ME and construct it based on hierarchical identity-based encryption and hierarchical identity-based signature. Moreover, as applications of the HIB-ME, we show two chosen ciphertext secure (H)IB-ME constructions for different security levels.
Metadata
- Available format(s)
PDF- Category
- Public-key cryptography
- Publication info
- Preprint.
- History
- 2025-06-10: last updated
- 2024-08-18: published
- Short URL
- https://ia.cr/2024/1292
- License
- https://creativecommons.org/licenses/by/4.0/
BibTeX
@misc{cryptoeprint:2024/1292,
author = {Sohto Chiku and Keisuke Hara and Junji Shikata},
title = {Hierarchical Identity-Based Matchmaking Encryption},
howpublished = {Cryptology {ePrint} Archive, Paper 2024/1292},
year = {2024},
url = {https://eprint.iacr.org/2024/1292}
}