Cuckoo Commitments: Registration-Based Encryption and Key-Value Map Commitments for Large Spaces

ePrint Report: Cuckoo Commitments: Registration-Based Encryption and Key-Value Map Commitments for Large Spaces

Dario Fiore, Dimitris Kolonelos, Paola de Perthuis

Registration-Based Encryption (RBE) [Garg et al. TCC'18] is a public-key encryption mechanism in which users generate their own public and secret keys, and register their public keys with a central authority called the key curator.
Similarly to Identity-Based Encryption (IBE), in RBE users can encrypt by only knowing the public parameters and the public identity of the recipient. Unlike IBE, …

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