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Rust Crate

At a Glance

  • Our core libraries are built in Rust and we are active members of the growing Rust community.
  • Our code comments inside the core libraries auto-generate an authoritative and comprehensive Rust Documentation site at each versioned release through the crates.io package manager.
  • Installation via the crates.io package manager is the easiest way to get started.
  • Instructions for building manually can be found on the main Installation page.

Why Rust

Spruce is very proud to have built these core products to date using the Rust language, which offers a secure, performant, and memory-safe alternative to the dominant web development languages of today.

Crates.io

DIDKit can also be downloaded & updated from crates.io, Rust's native package manager, from inside of other Rust projects. DIDKit (and its underlying ssi crate) can be called as library dependencies inside of a Rust environment, but they are not targets in crates.io, (and thus, cannot be installed by a simple cargo install call).
Note that many of the DIDKit functions and traits in turn call functions and traits in ssi, a separate package/crate on which it depends. Similarly, each DID method that you want a given DID Kit instance to implement is also distinct library (rather than simply a trait), so constraining a specific instance of DIDKit to a specific subset of available DID Methods is best achieved by modifying the [dependencies] section of the /lib/Cargo.toml file.