Function-Hiding Inner Product Encryption Is Practical

• Published in: Security and Cryptography for Networks Vol. 11035; pp. 544 - 562
• Main Authors: Kim, Sam, Lewi, Kevin, Mandal, Avradip, Montgomery, Hart, Roy, Arnab, Wu, David J.
• Format: Book Chapter
• Language: English
• Published: Switzerland Springer International Publishing AG 2018; Springer International Publishing
• Series: Lecture Notes in Computer Science

In a functional encryption scheme, secret keys are associated with functions and ciphertexts are associated with messages. Given a secret key for a function f, and a ciphertext for a message x, a decryptor learns f(x) and nothing else about x. Inner product encryption is a special case of functional...