Rust library for signatures, multi signatures, group signatures, delegatable credentials

Uses the The Apache Milagro Cryptographic Library

Supported schemes

1. BLS signatures from Compact Multi-Signatures for Smaller Blockchains by Dan Boneh, Manu Drijvers and Gregory Neven. Used BLS12-381 curve from Apache Milagro. Signing and verification API
2. MuSig, Schnorr Multi-Signatures. Simple Schnorr Multi-Signatures with Applications to Bitcoin by Gregory Maxwell and Andrew Poelstra and Yannick Seurin and Pieter Wuille. Used secp256k1 curve. Signing and verification API
3. PS (Pointcheval Sanders) signatures.
4. Practical UC-Secure Delegatable Credentials with Attributes and Their Application to Blockchain