Source code for the Chameleon Hash Paper

Implementation of the paper: Kwan Yin Chan, Liqun Chen, Yangguang Tian, and Tsz Hon Yuen: Reconstructing Chameleon Hash: Full Security and the Multi-Party Setting. In ACM AsiaCCS 2024.

./ecc is the source code for ECC-based construction

./lattice is the source code for lattice-based construction

Library used

We adopt the libraries:

• curv from Zengo-X for ECC component
• sha2 for SHA-2 hashes
• SymPy for lattice-based component