1. 0xPARC. Big integer arithmetic and secp256k1 ECC operations in circom. https://github.com/0xPARC/circom-ecdsa
2. Aly, A., Ashur, T., Ben-Sasson, E., Dhooghe, S., Szepieniec, A.: Design of symmetric-key primitives for advanced cryptographic protocols. IACR Trans. Symm. Cryptol. 2020(3), 1–45 (2020)
3. Abdalla, M., Bellare, M., Rogaway, P.: DHIES: an encryption scheme based on the Diffie-Hellman problem. Contributions to IEEE P1363a, September 1998
4. Lecture Notes in Computer Science;MR Albrecht,2019
5. Lecture Notes in Computer Science;M Abe,1996