lib.rs
coconut-crypto
168 downloads per month Used in 2 crates (via proof_system) . Apache-2.0. 580KB 13K SLoC Threshold anonymous credentials using Coconut. Based on the paper Security Analysis of Coconut, an Attribute-Based Credential Scheme with Threshold Issuance.; Contains a modified implementation of PS (Pointcheval-Sanders) signature, as described in the above paper.
delegatable_credentials
Based on the paper Protego: A Credential Scheme for Permissioned Blockchains. Code; Here there is a root issuer which can issue a credential to anyone with the permission to reissue the credential with or without additional attributes. Based on the paper Practical Delegatable Anonymous Credentials From Equivalence Class Signatures. Code