A minimal RedJubjub implementation for use in Zebra.
Two parameterizations of RedJubjub are used in Zcash, one for
BindingSig
and one for SpendAuthSig
. This library distinguishes
these in the type system, using the sealed SigType
trait as a
type-level enum.
In addition to the Signature
, SigningKey
, VerificationKey
types,
the library also provides VerificationKeyBytes
, a refinement of a
[u8; 32]
indicating that bytes represent an encoding of a RedJubjub
verification key. This allows the VerificationKey
type to cache
verification checks related to the verification key encoding.
Examples
Creating a BindingSig
, serializing and deserializing it, and
verifying the signature:
# use TryFrom;
use thread_rng;
use *;
let msg = b"Hello!";
// Generate a secret key and sign the message
let sk = new;
let sig = sk.sign;
// Types can be converted to raw byte arrays using From/Into
let sig_bytes: = sig.into;
let pk_bytes: = from.into;
// Deserialize and verify the signature.
let sig: = sig_bytes.into;
assert!;
docs
cargo doc --features "nightly" --open