Struct k256::ecdsa::SigningKey

pub struct SigningKey { /* fields omitted */ }

This is supported on crate features ecdsa-core and ecdsa only.

ECDSA/secp256k1 signing key

Implementations

impl SigningKey

pub fn random(rng: impl CryptoRng + RngCore) -> Self

Generate a cryptographically random SigningKey.

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

Initialize SigningKey from a raw scalar value (big endian).

pub fn verify_key(&self) -> VerifyingKey

Get the VerifyingKey which corresponds to this SigningKey

pub fn to_bytes(&self) -> FieldBytes

Serialize this SigningKey as bytes

Trait Implementations

impl<D> DigestSigner<D, Signature<Secp256k1>> for SigningKey where
    D: BlockInput + FixedOutput<OutputSize = U32> + Clone + Default + Reset + Update, 

fn try_sign_digest(&self, digest: D) -> Result<Signature, Error>

Attempt to sign the given prehashed message [Digest], returning a digital signature on success, or an error if something went wrong.

fn sign_digest(&self, digest: D) -> S

Sign the given prehashed message [Digest], returning a signature.

impl<D> DigestSigner<D, Signature> for SigningKey where
    D: BlockInput + FixedOutput<OutputSize = U32> + Clone + Default + Reset + Update, 

fn try_sign_digest(&self, digest: D) -> Result<Signature, Error>

Attempt to sign the given prehashed message [Digest], returning a digital signature on success, or an error if something went wrong.

fn sign_digest(&self, digest: D) -> S

Sign the given prehashed message [Digest], returning a signature.

impl From<&'_ NonZeroScalar<Secp256k1>> for SigningKey

fn from(secret_scalar: &NonZeroScalar) -> Self

Performs the conversion.

impl From<&'_ SecretKey<Secp256k1>> for SigningKey

fn from(secret_key: &SecretKey) -> SigningKey

Performs the conversion.

impl From<&'_ SigningKey> for SecretKey

fn from(signing_key: &SigningKey) -> SecretKey

Performs the conversion.

impl From<&'_ SigningKey> for VerifyingKey

fn from(signing_key: &SigningKey) -> VerifyingKey

Performs the conversion.

impl From<NonZeroScalar<Secp256k1>> for SigningKey

fn from(secret_scalar: NonZeroScalar) -> Self

Performs the conversion.

impl From<SecretKey<Secp256k1>> for SigningKey

fn from(secret_key: SecretKey) -> SigningKey

Performs the conversion.

impl From<SigningKey> for SecretKey

fn from(signing_key: SigningKey) -> SecretKey

Performs the conversion.

impl From<SigningKey> for VerifyingKey

fn from(signing_key: SigningKey) -> VerifyingKey

Performs the conversion.

impl FromPrivateKey for SigningKey

This is supported on crate feature pkcs8 only.

fn from_pkcs8_private_key_info(
    private_key_info: PrivateKeyInfo<'_>
) -> Result<Self>

Parse the PrivateKeyInfo from a PKCS#8-encoded document.

fn from_pkcs8_der(bytes: &[u8]) -> Result<Self, Error>

Deserialize PKCS#8 private key from ASN.1 DER-encoded data (binary format).

fn from_pkcs8_doc(doc: &PrivateKeyDocument) -> Result<Self, Error>

Deserialize PKCS#8 private key from a PrivateKeyDocument.

fn from_pkcs8_pem(s: &str) -> Result<Self, Error>

Deserialize PKCS#8-encoded private key from PEM.

impl<D> RandomizedDigestSigner<D, Signature<Secp256k1>> for SigningKey where
    D: BlockInput + FixedOutput<OutputSize = U32> + Clone + Default + Reset + Update, 

fn try_sign_digest_with_rng(
    &self,
    rng: impl CryptoRng + RngCore,
    digest: D
) -> Result<Signature, Error>

Attempt to sign the given prehashed message Digest, returning a digital signature on success, or an error if something went wrong.

fn sign_digest_with_rng(&self, rng: impl CryptoRng + RngCore, digest: D) -> S

Sign the given prehashed message Digest, returning a signature.

impl<D> RandomizedDigestSigner<D, Signature> for SigningKey where
    D: BlockInput + FixedOutput<OutputSize = U32> + Clone + Default + Reset + Update, 

fn try_sign_digest_with_rng(
    &self,
    rng: impl CryptoRng + RngCore,
    digest: D
) -> Result<Signature, Error>

Attempt to sign the given prehashed message Digest, returning a digital signature on success, or an error if something went wrong.

fn sign_digest_with_rng(&self, rng: impl CryptoRng + RngCore, digest: D) -> S

Sign the given prehashed message Digest, returning a signature.

impl<S> RandomizedSigner<S> for SigningKey where
    S: PrehashSignature,
    Self: RandomizedDigestSigner<S::Digest, S>, 

fn try_sign_with_rng(
    &self,
    rng: impl CryptoRng + RngCore,
    msg: &[u8]
) -> Result<S, Error>

Attempt to sign the given message, returning a digital signature on success, or an error if something went wrong.

fn sign_with_rng(&self, rng: impl CryptoRng + RngCore, msg: &[u8]) -> S

Sign the given message and return a digital signature

impl<S> Signer<S> for SigningKey where
    S: PrehashSignature,
    Self: DigestSigner<S::Digest, S>, 

fn try_sign(&self, msg: &[u8]) -> Result<S, Error>

Attempt to sign the given message, returning a digital signature on success, or an error if something went wrong.

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

Sign the given message and return a digital signature