An implementation of CMZ14 credentials in Rust

Ian Goldberg 37ab25b13e default clippy cleanup 5 lat temu
src 37ab25b13e default clippy cleanup 5 lat temu
tests 987098c14b Have the issuer consume the messages it receives 5 lat temu
Cargo.toml 0c4b8a658e Turn ZKP transcript debugging back off 5 lat temu