Match Me if You Can: Matchmaking Encryption and Its Applications
ADVANCES IN CRYPTOLOGY - CRYPTO 2019, PT II, pp. 701-731, 2019.
We introduce a new form of encryption that we name matchmaking encryption (ME). Using ME, sender S and receiver R (each with its own attributes) can both specify policies the other party must satisfy in order for the message to be revealed. The main security guarantee is that of privacy-preserving policy matching: During decryption nothin...More
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