Struct mithril_stm::multi_sig::SigningKey

pub struct SigningKey(/* private fields */);

MultiSig secret key, which is a wrapper over the BlstSk type from the blst library.

Implementations

impl SigningKey

pub fn gen(rng: &mut (impl RngCore + CryptoRng)) -> Self

Generate a secret key

pub fn sign(&self, msg: &[u8]) -> Signature

Sign a message with the given secret key

pub fn to_bytes(&self) -> [u8; 32]

Convert the secret key into byte string.

pub fn from_bytes(bytes: &[u8]) -> Result<Self, MultiSignatureError>

Convert a string of bytes into a SigningKey.

Error

Fails if the byte string represents a scalar larger than the group order.

Trait Implementations

impl Clone for SigningKey

fn clone(&self) -> SigningKey

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SigningKey

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SigningKey

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<&SigningKey> for ProofOfPossession

fn from(sk: &SigningKey) -> Self

Convert a secret key into an MspPoP. This is performed by computing k1 = H_G1(b"PoP" || mvk) and k2 = g1 * sk where H_G1 hashes into G1 and g1 is the generator in G1.

impl From<&SigningKey> for VerificationKey

fn from(sk: &SigningKey) -> Self

Convert a secret key into an MspMvk. This is performed by computing MspMvk = g2 * sk, where g2 is the generator in G2. We can use the blst built-in function sk_to_pk.

impl From<&SigningKey> for VerificationKeyPoP

fn from(sk: &SigningKey) -> Self

Convert a secret key into a VerificationKeyPoP by simply converting to a MspMvk and MspPoP.

impl Serialize for SigningKey

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.