Struct k256::ecdsa::SigningKey

source · [−]

pub struct SigningKey { /* private fields */ }

Available on crate features ecdsa-core and ecdsa only.

Expand description

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 verifying_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 Clone for SigningKey

fn clone(&self) -> SigningKey

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

impl ConstantTimeEq for SigningKey

fn ct_eq(&self, other: &Self) -> Choice

Determine if two items are equal. Read more

impl Debug for SigningKey

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

Formats the value using the given formatter. Read more

impl DecodePrivateKey for SigningKey

Available on crate feature pkcs8 only.

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

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

impl<D> DigestSigner<D, Signature<Secp256k1>> for SigningKey where
    D: CoreProxy + Digest + FixedOutput<OutputSize = U32>,
    D::Core: BlockSizeUser + BufferKindUser<BufferKind = Eager> + Clone + Default + FixedOutputCore + HashMarker + OutputSizeUser<OutputSize = D::OutputSize>,
    <D::Core as BlockSizeUser>::BlockSize: IsLess<U256>,
    Le<<D::Core as BlockSizeUser>::BlockSize, U256>: NonZero,

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. Read more

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

Sign the given prehashed message Digest, returning a signature. Read more

impl<D> DigestSigner<D, Signature> for SigningKey where
    D: CoreProxy + Digest + FixedOutput<OutputSize = U32>,
    D::Core: BlockSizeUser + BufferKindUser<BufferKind = Eager> + Clone + Default + FixedOutputCore + HashMarker + OutputSizeUser<OutputSize = D::OutputSize>,
    <D::Core as BlockSizeUser>::BlockSize: IsLess<U256>,
    Le<<D::Core as BlockSizeUser>::BlockSize, U256>: NonZero,

fn try_sign_digest(&self, msg_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. Read more

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

Sign the given prehashed message Digest, returning a signature. Read more

impl Drop for SigningKey

fn drop(&mut self)

Executes the destructor for this type. Read more

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

fn from(secret_scalar: &NonZeroScalar) -> Self

Converts to this type from the input type.

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

fn from(secret_key: &SecretKey) -> SigningKey

Converts to this type from the input type.

impl From<&'_ SigningKey> for SecretKey

fn from(signing_key: &SigningKey) -> SecretKey

Converts to this type from the input type.

impl From<&'_ SigningKey> for VerifyingKey

fn from(signing_key: &SigningKey) -> VerifyingKey

Converts to this type from the input type.

impl From<NonZeroScalar<Secp256k1>> for SigningKey

fn from(secret_scalar: NonZeroScalar) -> Self

Converts to this type from the input type.

impl From<SecretKey<Secp256k1>> for SigningKey

fn from(secret_key: SecretKey) -> SigningKey

Converts to this type from the input type.

impl From<SigningKey> for SecretKey

fn from(signing_key: SigningKey) -> SecretKey

Converts to this type from the input type.

impl From<SigningKey> for VerifyingKey

fn from(signing_key: SigningKey) -> VerifyingKey

Converts to this type from the input type.

impl PartialEq<SigningKey> for SigningKey

fn eq(&self, other: &SigningKey) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<D> RandomizedDigestSigner<D, Signature<Secp256k1>> for SigningKey where
    D: CoreProxy + Digest + FixedOutput<OutputSize = U32>,
    D::Core: BlockSizeUser + BufferKindUser<BufferKind = Eager> + Clone + Default + FixedOutputCore + HashMarker + OutputSizeUser<OutputSize = D::OutputSize>,
    <D::Core as BlockSizeUser>::BlockSize: IsLess<U256>,
    Le<<D::Core as BlockSizeUser>::BlockSize, U256>: NonZero,

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. Read more

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

Sign the given prehashed message Digest, returning a signature. Read more

impl<D> RandomizedDigestSigner<D, Signature> for SigningKey where
    D: CoreProxy + Digest + FixedOutput<OutputSize = U32>,
    D::Core: BlockSizeUser + BufferKindUser<BufferKind = Eager> + Clone + Default + FixedOutputCore + HashMarker + OutputSizeUser<OutputSize = D::OutputSize>,
    <D::Core as BlockSizeUser>::BlockSize: IsLess<U256>,
    Le<<D::Core as BlockSizeUser>::BlockSize, U256>: NonZero,

fn try_sign_digest_with_rng(
    &self,
    rng: impl CryptoRng + RngCore,
    msg_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. Read more

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

Sign the given prehashed message Digest, returning a signature. Read more

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. Read more

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. Read more

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

Sign the given message and return a digital signature

impl TryFrom<PrivateKeyInfo<'_>> for SigningKey

Available on crate feature pkcs8 only.

type Error = Error

The type returned in the event of a conversion error.

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

Performs the conversion.

impl Eq for SigningKey

Auto Trait Implementations

impl RefUnwindSafe for SigningKey

impl Send for SigningKey

impl Sync for SigningKey

impl Unpin for SigningKey

impl UnwindSafe for SigningKey

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> DecodeEcPrivateKey for T where
T: DecodePrivateKey,

fn from_sec1_der(private_key: &[u8 ]) -> Result<T, Error>

Deserialize SEC1 private key from ASN.1 DER-encoded data (binary format). Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T, S> SignerMut<S> for T where
T: Signer<S>,
S: Signature,

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

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

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

Sign the given message, update the state, and return a digital signature

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

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

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.