3
$\begingroup$

I want to create a NIZK proof of a multi-exponentiation via Groth-Sahai proofs. In the lectures of Jens Groth in a winter school of Bar-Ilan University, he shows a way to transform multi-exponentiations to paring product equations. Multi-exponentiation

My problem is as follows. Let me take a pairing in the first form ($e(A_j,h^{y_j})$) I need to commit to $h^{y_j}$ as I understand. But I don't know how to prove that I commit the right exponentiation. I think that I just have another exponentiation to prove, since $y_j$ is also a variable -not a constant. Is there a different way to create proofs for multi-exponentiation equations or am I missing something?

$\endgroup$

0

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Browse other questions tagged or ask your own question.