normano / ecies_25519

Elliptic Curve Integrated Encryption Scheme using 25519

ECIES X25519

Elliptic Curve Integrated Encryption Scheme is a way to encrypt arbitrary sized data using a receiver's public keys.

This project specifically implements ECIES with X25519 curve, AES-256-GCM and HKDF SHA-256 on multiple languages. These are some of the best in the industry cryptographic algorithms to stand the test of time.

Currently supports Java, Javascript and Rust for the forseeable future. If more languages are needed due to internal requirements then they will be implemented and published.

Note: My thought is that the most ideal interface for a ECIES inteface would be encrypt/decrypt.

ecies_25519's Issues

Motivation behind HKDF and GCM

Hi @normano, I just came across your library and I have implemented something very similar myself: https://github.com/pedrouid/ecies-25519

However the main differences are the HKDF and GCM. For my library I have used instead SHA512 for KDF and CBC for AES encryption. I'm curious however about your motivation behind these algorithms

I'm not a cryptographer but I would love to know more about any properties that might have justified these decisions

Thanks in advance 🙏