Witness Encryption for Succinct Functional Commitments and Applications study notes

1 Introduction

The pre-order blogs are:

• Functional Commitment Schemes: From Polynomial Commitments to Pairing-Based Accumulators study notes (2016 paper)

Protocol Labs, IMDEA Software Institute and Concordium team's 2022 paper " Witness Encryption for Succinct Functional Commitments and Applications ", see the open source code implementation:

• https://github.com/vicsn/witness-encryption-functional-commitment（Rust）

There are two key components:

• 1) Smooth Projective Hash Functions (SPHF):
  See also the code:
  • https://github.com/oblazy/rust-sphf（Rust）
• 2）Functional Commitments