Enum SigningKey 

#[non_exhaustive]
pub enum SigningKey {
    Ed25519(Box<SigningKey>),
    P256(Box<SigningKey<NistP256>>),
}

A private key that can sign.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Ed25519(Box<SigningKey>)

An Ed25519 signing key.

P256(Box<SigningKey<NistP256>>)

A P-256 signing key.

Implementations

impl SigningKey

pub fn from_ed25519_seed(seed: &[u8; 32]) -> SigningKey

Builds an Ed25519 signing key from its 32-byte seed.

pub fn from_p256_scalar(scalar: &[u8; 32]) -> Result<SigningKey, JoseError>

Builds a P-256 signing key from its 32-byte scalar.

Errors

Returns JoseError::InvalidKey if the bytes are not a valid non-zero scalar below the curve order.

pub const fn algorithm(&self) -> Algorithm

The algorithm this key signs with.

pub fn verifying_key(&self) -> VerifyingKey

The matching public key.

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

The private scalar or seed, as the 32 bytes it is stored from.

pub fn sign(&self, message: &[u8]) -> [u8; 64]

Signs message, producing SIGNATURE_LEN bytes.

Deterministic for both algorithms, so the same key and message always produce the same bytes.

Trait Implementations

impl Clone for SigningKey

fn clone(&self) -> SigningKey

Returns a duplicate 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<(), Error>

Formats the value using the given formatter.