Struct SigningKey 

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

An ECDSA signing key: a nonzero scalar.

Signs pre-hashed messages: the caller hashes the message with the hash of matching size (SHA-256 for P-256, SHA-384 for P-384) and passes the digest. Served by the curve’s ECDSA driver. Zeroed on drop.

Implementations

impl SigningKey

pub fn generate() -> Result<Self, Error>

Generate a random signing key.

pub fn from_bytes(bytes: &[u8; 48]) -> Result<Self, Error>

Load a signing key from its big-endian encoding. Fails if it is zero or not less than n.

pub fn to_bytes(&self) -> [u8; 48]

The signing key as big-endian bytes.

pub fn to_scalar(&self) -> Scalar

The signing key as a scalar.

pub fn verifying_key(&self) -> Result<VerifyingKey, Error>

The corresponding verifying key.

pub fn sign_prehash(&self, digest: &[u8; 48]) -> Result<Signature, Error>

Sign a message digest.

The nonce is drawn from [driver::RngImpl]. The signature is low-S normalized.

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

Formats the value using the given formatter.

impl Drop for SigningKey

fn drop(&mut self)

Executes the destructor for this type.

fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned.

impl TryFrom<Scalar> for SigningKey

type Error = Error

The type returned in the event of a conversion error.

fn try_from(k: Scalar) -> Result<Self, Error>

Performs the conversion.