Common cryptographic library used in software at Mysten Labs.
This crate contains:
- Useful traits that should be implemented by concrete types that represent digital cryptographic
material (keys). For signatures, we rely on signature::Signature, which may be more widely implemented.
- Concrete implementations of the following signature schemes that implement the recommended traits required for
cryptographic agility. The following schemes are implemented (wrappers over existing popular crates):
- ed25519 (EdDSA), backed by the ed25519-consensus crate.
- Secp256k1, backed by the secp256k1 crate.
- BLS12-381, backed by the blst crate.
- An asynchronous [SignatureService] (which lives in lib.rs) that is instantiated by a Signer object.
ToFromBytes]: this trait aims to minimize the number of steps involved in obtaining a serializable key.EncodeDecodeBase64]: an extension trait of ToFromBytes for immediate conversion to/from base64 strings.VerifyingKey]: which denotes associated types for private key and signature material, while it includes a default
naive implementation of batch verification (which can be overridden).SigningKey]: associated types for public key and signature material.Authenticator]: associated types for private key and public key material.KeyPair]: which includes the common get priv/pub key functions and a key-pair generation function.There exist tests for all the three schemes, which can be run by:
$ cargo test
One can compare all currently implemented schemes for sign, verify, verify_batch and
key-generation by running:
$ cargo bench