Functional encryption is a type of public-key encryption, where the party that has access to a secret key can learn a function from that key, which is used to encrypt and decrypt messages.

learn more… | top users | synonyms

4
votes
0answers
70 views

What are the current limitations (and capabilities) of Functional Encryption used for access control?

I'm trying to make my way in Functional Encryption used for access control. I read a lot of papers such as "How to Run Turing Machines on Encrypted Data", "Functional Encryption: New Perspectives and ...
3
votes
0answers
118 views

“Practical” operations supported by functional encryption?

I'm curious about what operations have been developed into functional encryption schemes. What I mean by that is: what operations can be performed over encrypted ciphertexts? Obviously homomorphic ...
0
votes
0answers
8 views

Showing that a function satisfies the properties to be a distance function

Let $p$ be a prime and $V_p$ be the associated valulation. Then for all $x,y,z \in\mathbb Z$, $V_p$ satisfies: $v_p(xy) = v_p(x)+v_p(y)$ $v_p(x+y) ≥ min(v_p(x),v_p(y))$ Define a function ...
0
votes
0answers
80 views

proving the security of 1 out of 2 oblivious transfer using AND function

Hello ladies & gentlemen, I need to improve the security of 1-out of 2 oblivious transfer using AND function method with a given info. use one-out-of-two oblivious transfer as building block, ...