Publicly Auditable Functional Encryption

ePrint Report: Publicly Auditable Functional Encryption

Vlasis Koutsos, Dimitrios Papadopoulos

We introduce the notion of publicly auditable functional encryption (PAFE).
Compared to standard functional encryption, PAFE operates in an extended setting that includes an entity called auditor, besides key-generating authority, encryptor, and decryptor.
The auditor requests function outputs from the decryptor and wishes to check their correctness with respect to the ciphertexts produced by the encryptor, without having access to the functional secret key that is used for decryption.
This …

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