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Cryptanalysis and improvement of a multi-receiver identity-based key encapsulation at INDOCRYPT 06

Jong Hwan Park, Ki Tak Kim, Dong Hoon Lee
2008 Proceedings of the 2008 ACM symposium on Information, computer and communications security - ASIACCS '08  
Multi-receiver Identity-Based Key Encapsulation Mechanism (mIB-KEM) allows a sender to distribute messages for a set of receivers using the receiver's identity as a public key.  ...  We describe the definition of multi-receiver Identity-Based Key Encapsulation Mechanism (mIB-KEM) [12] as below.  ...  PRELIMINARIES Multi-receiver Identity-Based Key Encapsulation Mechanism Encapsulate(S, PP) takes a set S of identities and the public parameters PP as input, and outputs a pair (Hdr, K) where Hdr is  ... 
doi:10.1145/1368310.1368366 dblp:conf/ccs/ParkKL08 fatcat:nc6yz327avfqbligo352yhtpmi

Practical Private Set Intersection Protocols for Privacy-Preserving Applications

Christian Weinert
2021
As a consequence, service providers currently deploy insecure alternatives that threaten users' privacy at a large scale.  ...  Mobile messengers commonly offer a feature that allows users to discover their existing contacts on the platform based on the phone numbers stored in their address book.  ...  Acknowledgments This work was co-funded by the DFG as part of project E4 within the CRC 1119 CROSSING and project A. 1 Acknowledgments.  ... 
doi:10.26083/tuprints-00019295 fatcat:mcrri3mvh5a3jois3hzpolx3ae