babyjubjub-rs

BabyJubJub elliptic curve implementation in Rust. Is a twisted edwards curve embedded in the curve of BN128.

BabyJubJub curve explanation: https://medium.com/zokrates/efficient-ecc-in-zksnarks-using-zokrates-bd9ae37b8186

Uses: - MiMC7 hash function: https://github.com/arnaucube/mimc-rs - Poseidon hash function https://github.com/arnaucube/poseidon-rs

Compatible with the BabyJubJub Go implementation from https://github.com/iden3/go-iden3-crypto

Warning

Doing this in my free time to get familiar with Rust, do not use in production.

• [x] point addition
• [x] point scalar multiplication
• [x] eddsa keys generation
• [x] eddsa signature
• [x] eddsa signature verification
• [x] {point, pk, signature} compress&decompress parsers

References

• BabyJubJub curve explanation: https://medium.com/zokrates/efficient-ecc-in-zksnarks-using-zokrates-bd9ae37b8186
  • C++ https://github.com/barryWhiteHat/babyjubjubecc
  • Javascript & Circom: https://github.com/iden3/circomlib
  • Go https://github.com/iden3/go-iden3-crypto
• JubJub curve explanation: https://z.cash/technology/jubjub/
  • Rust: https://github.com/zkcrypto/jubjub
  • Python: https://github.com/daira/jubjub