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Post-Quantum Secure Identity-Based Matchmaking Encryption
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DOI：10.1109/TDSC.2024.3418984.png)
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摘要
En 中文
Matchmaking encryption constructed in the identity-based encryption setting, named identity-based matchmaking encryption (IB-ME), requires both sender and receiver to specify target identity simultaneously for each other for message decryption. The IB-ME schemes can not only ensure the privacy of the sender and the message but also provide authentication for the data source. In order to resist quantum-attacks, we put forward a post-quantum secure IB-ME scheme. Compared with Ateniese et al.'s scheme and Francati et al.'s scheme, our approach eliminates the use of functional encryption, predicate encryption and signature scheme, and only uses a more simple preimage sampling function and an IBE scheme in the way of non-black-box. Compared with post-quantum secure IB-MEs proposed currently, our scheme is the first non-black-box construction based on standard lattice assumptions such as LWE and ISIS.
Keyword:
Encryption
Standards
Cryptography
Lattices
Receivers
Resists
Computational modeling
Authenticity
identity-based matchmaking encryption (IB-ME)
post-quantum security
privacy
期刊
IF:
7.5
论文数:
2.4K
被引数:
9.6K
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