Struct elliptic_curve::SecretKey
source · [−]pub struct SecretKey<C: Curve> { /* private fields */ }Expand description
Elliptic curve secret keys.
This type wraps a secret scalar value, helping to prevent accidental exposure and securely erasing the value from memory when dropped.
Parsing PKCS#8 Keys
PKCS#8 is a commonly used format for encoding secret keys (especially ones generated by OpenSSL).
Keys in PKCS#8 format are either binary (ASN.1 BER/DER), or PEM encoded (ASCII) and begin with the following:
-----BEGIN PRIVATE KEY-----To decode an elliptic curve private key from PKCS#8, enable the pkcs8
feature of this crate (or the pkcs8 feature of a specific RustCrypto
elliptic curve crate) and use the DecodePrivateKey trait to parse it.
When the pem feature of this crate (or a specific RustCrypto elliptic
curve crate) is enabled, a FromStr impl is also available.
Implementations
sourceimpl<C> SecretKey<C> where
C: Curve,
impl<C> SecretKey<C> where
C: Curve,
sourcepub fn random(rng: impl CryptoRng + RngCore) -> Self where
C: ProjectiveArithmetic,
Available on crate feature arithmetic only.
pub fn random(rng: impl CryptoRng + RngCore) -> Self where
C: ProjectiveArithmetic,
arithmetic only.Generate a random SecretKey.
sourcepub fn new(scalar: ScalarCore<C>) -> Self
pub fn new(scalar: ScalarCore<C>) -> Self
Create a new secret key from a scalar value.
sourcepub fn as_scalar_core(&self) -> &ScalarCore<C>
pub fn as_scalar_core(&self) -> &ScalarCore<C>
Borrow the inner secret ScalarCore value.
⚠️ Warning
This value is key material.
Please treat it with the care it deserves!
sourcepub fn to_nonzero_scalar(&self) -> NonZeroScalar<C> where
C: Curve + ProjectiveArithmetic,
Available on crate feature arithmetic only.
pub fn to_nonzero_scalar(&self) -> NonZeroScalar<C> where
C: Curve + ProjectiveArithmetic,
arithmetic only.Get the secret NonZeroScalar value for this key.
⚠️ Warning
This value is key material.
Please treat it with the care it deserves!
sourcepub fn public_key(&self) -> PublicKey<C> where
C: Curve + ProjectiveArithmetic,
Available on crate feature arithmetic only.
pub fn public_key(&self) -> PublicKey<C> where
C: Curve + ProjectiveArithmetic,
arithmetic only.Get the PublicKey which corresponds to this secret key
sourcepub fn from_be_bytes(bytes: &[u8]) -> Result<Self>
pub fn from_be_bytes(bytes: &[u8]) -> Result<Self>
Deserialize raw secret scalar as a big endian integer.
sourcepub fn to_be_bytes(&self) -> FieldBytes<C>
pub fn to_be_bytes(&self) -> FieldBytes<C>
Serialize raw secret scalar as a big endian integer.
sourcepub fn from_sec1_der(der_bytes: &[u8]) -> Result<Self> where
C: Curve + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature sec1 only.
pub fn from_sec1_der(der_bytes: &[u8]) -> Result<Self> where
C: Curve + ValidatePublicKey,
FieldSize<C>: ModulusSize,
sec1 only.Deserialize secret key encoded in the SEC1 ASN.1 DER ECPrivateKey format.
sourcepub fn to_sec1_der(&self) -> Result<Zeroizing<Vec<u8>>> where
C: Curve + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
Available on crate features alloc and arithmetic and sec1 only.
pub fn to_sec1_der(&self) -> Result<Zeroizing<Vec<u8>>> where
C: Curve + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
alloc and arithmetic and sec1 only.Serialize secret key in the SEC1 ASN.1 DER ECPrivateKey format.
sourcepub fn from_sec1_pem(s: &str) -> Result<Self> where
C: Curve + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature pem only.
pub fn from_sec1_pem(s: &str) -> Result<Self> where
C: Curve + ValidatePublicKey,
FieldSize<C>: ModulusSize,
pem only.Parse SecretKey from PEM-encoded SEC1 ECPrivateKey format.
PEM-encoded SEC1 keys can be identified by the leading delimiter:
-----BEGIN EC PRIVATE KEY-----sourcepub fn to_pem(&self, line_ending: LineEnding) -> Result<Zeroizing<String>> where
C: Curve + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
Available on crate feature pem only.
pub fn to_pem(&self, line_ending: LineEnding) -> Result<Zeroizing<String>> where
C: Curve + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
pem only.Serialize private key as self-zeroizing PEM-encoded SEC1 ECPrivateKey
with the given pem::LineEnding.
Pass Default::default() to use the OS’s native line endings.
sourcepub fn from_jwk(jwk: &JwkEcKey) -> Result<Self> where
C: JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature jwk only.
pub fn from_jwk(jwk: &JwkEcKey) -> Result<Self> where
C: JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
jwk only.sourcepub fn from_jwk_str(jwk: &str) -> Result<Self> where
C: JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature jwk only.
pub fn from_jwk_str(jwk: &str) -> Result<Self> where
C: JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
jwk only.Parse a string containing a JSON Web Key (JWK) into a SecretKey.
sourcepub fn to_jwk(&self) -> JwkEcKey where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
Available on crate features arithmetic and jwk only.
pub fn to_jwk(&self) -> JwkEcKey where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
arithmetic and jwk only.Serialize this secret key as JwkEcKey JSON Web Key (JWK).
sourcepub fn to_jwk_string(&self) -> Zeroizing<String> where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
Available on crate features arithmetic and jwk only.
pub fn to_jwk_string(&self) -> Zeroizing<String> where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
arithmetic and jwk only.Serialize this secret key as JSON Web Key (JWK) string.
Trait Implementations
sourceimpl<C> ConstantTimeEq for SecretKey<C> where
C: Curve,
impl<C> ConstantTimeEq for SecretKey<C> where
C: Curve,
sourceimpl<C> DecodePrivateKey for SecretKey<C> where
C: Curve + AssociatedOid + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature pkcs8 only.
impl<C> DecodePrivateKey for SecretKey<C> where
C: Curve + AssociatedOid + ValidatePublicKey,
FieldSize<C>: ModulusSize,
pkcs8 only.sourceimpl<C> EncodePrivateKey for SecretKey<C> where
C: Curve + AssociatedOid + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
Available on crate features arithmetic and pem only.
impl<C> EncodePrivateKey for SecretKey<C> where
C: Curve + AssociatedOid + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
arithmetic and pem only.sourcefn to_pkcs8_der(&self) -> Result<SecretDocument>
fn to_pkcs8_der(&self) -> Result<SecretDocument>
Serialize a SecretDocument containing a PKCS#8-encoded private key.
sourcefn to_pkcs8_pem(
&self,
line_ending: LineEnding
) -> Result<Zeroizing<String>, Error>
fn to_pkcs8_pem(
&self,
line_ending: LineEnding
) -> Result<Zeroizing<String>, Error>
Serialize this private key as PEM-encoded PKCS#8 with the given LineEnding.
sourceimpl<C> From<&NonZeroScalar<C>> for SecretKey<C> where
C: Curve + ProjectiveArithmetic,
Available on crate feature arithmetic only.
impl<C> From<&NonZeroScalar<C>> for SecretKey<C> where
C: Curve + ProjectiveArithmetic,
arithmetic only.sourcefn from(scalar: &NonZeroScalar<C>) -> SecretKey<C>
fn from(scalar: &NonZeroScalar<C>) -> SecretKey<C>
Converts to this type from the input type.
sourceimpl<C> From<&SecretKey<C>> for JwkEcKey where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
Available on crate features arithmetic and jwk only.
impl<C> From<&SecretKey<C>> for JwkEcKey where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
arithmetic and jwk only.sourceimpl<C> From<&SecretKey<C>> for NonZeroScalar<C> where
C: Curve + ScalarArithmetic,
impl<C> From<&SecretKey<C>> for NonZeroScalar<C> where
C: Curve + ScalarArithmetic,
sourcefn from(sk: &SecretKey<C>) -> NonZeroScalar<C>
fn from(sk: &SecretKey<C>) -> NonZeroScalar<C>
Converts to this type from the input type.
sourceimpl<C> From<NonZeroScalar<C>> for SecretKey<C> where
C: Curve + ProjectiveArithmetic,
Available on crate feature arithmetic only.
impl<C> From<NonZeroScalar<C>> for SecretKey<C> where
C: Curve + ProjectiveArithmetic,
arithmetic only.sourcefn from(scalar: NonZeroScalar<C>) -> SecretKey<C>
fn from(scalar: NonZeroScalar<C>) -> SecretKey<C>
Converts to this type from the input type.
sourceimpl<C> From<SecretKey<C>> for JwkEcKey where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
Available on crate features arithmetic and jwk only.
impl<C> From<SecretKey<C>> for JwkEcKey where
C: Curve + JwkParameters + ProjectiveArithmetic,
AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
FieldSize<C>: ModulusSize,
arithmetic and jwk only.sourceimpl<C> From<SecretKey<C>> for NonZeroScalar<C> where
C: Curve + ScalarArithmetic,
impl<C> From<SecretKey<C>> for NonZeroScalar<C> where
C: Curve + ScalarArithmetic,
sourcefn from(sk: SecretKey<C>) -> NonZeroScalar<C>
fn from(sk: SecretKey<C>) -> NonZeroScalar<C>
Converts to this type from the input type.
sourceimpl<C> FromStr for SecretKey<C> where
C: Curve + AssociatedOid + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature pem only.
impl<C> FromStr for SecretKey<C> where
C: Curve + AssociatedOid + ValidatePublicKey,
FieldSize<C>: ModulusSize,
pem only.sourceimpl<C> TryFrom<&JwkEcKey> for SecretKey<C> where
C: Curve + JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature jwk only.
impl<C> TryFrom<&JwkEcKey> for SecretKey<C> where
C: Curve + JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
jwk only.sourceimpl<C> TryFrom<EcPrivateKey<'_>> for SecretKey<C> where
C: Curve + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature sec1 only.
impl<C> TryFrom<EcPrivateKey<'_>> for SecretKey<C> where
C: Curve + ValidatePublicKey,
FieldSize<C>: ModulusSize,
sec1 only.sourceimpl<C> TryFrom<JwkEcKey> for SecretKey<C> where
C: Curve + JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature jwk only.
impl<C> TryFrom<JwkEcKey> for SecretKey<C> where
C: Curve + JwkParameters + ValidatePublicKey,
FieldSize<C>: ModulusSize,
jwk only.sourceimpl<C> TryFrom<PrivateKeyInfo<'_>> for SecretKey<C> where
C: Curve + AssociatedOid + ValidatePublicKey,
FieldSize<C>: ModulusSize,
Available on crate feature pkcs8 only.
impl<C> TryFrom<PrivateKeyInfo<'_>> for SecretKey<C> where
C: Curve + AssociatedOid + ValidatePublicKey,
FieldSize<C>: ModulusSize,
pkcs8 only.impl<C: Curve> Eq for SecretKey<C>
impl<C> ZeroizeOnDrop for SecretKey<C> where
C: Curve,
Auto Trait Implementations
impl<C> RefUnwindSafe for SecretKey<C> where
<C as Curve>::UInt: RefUnwindSafe,
impl<C> Send for SecretKey<C>
impl<C> Sync for SecretKey<C>
impl<C> Unpin for SecretKey<C> where
<C as Curve>::UInt: Unpin,
impl<C> UnwindSafe for SecretKey<C> where
<C as Curve>::UInt: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> DecodeEcPrivateKey for T where
T: DecodePrivateKey,
impl<T> DecodeEcPrivateKey for T where
T: DecodePrivateKey,
sourceimpl<T> EncodeEcPrivateKey for T where
T: EncodePrivateKey,
impl<T> EncodeEcPrivateKey for T where
T: EncodePrivateKey,
sourcefn to_sec1_der(&self) -> Result<SecretDocument, Error>
fn to_sec1_der(&self) -> Result<SecretDocument, Error>
Serialize a SecretDocument containing a SEC1-encoded private key.
sourcefn to_sec1_pem(
&self,
line_ending: LineEnding
) -> Result<Zeroizing<String>, Error>
fn to_sec1_pem(
&self,
line_ending: LineEnding
) -> Result<Zeroizing<String>, Error>
Serialize this private key as PEM-encoded SEC1 with the given LineEnding. Read more
impl<T> FmtForward for T
impl<T> FmtForward for T
fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,
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Self: Binary,
Causes self to use its Binary implementation when Debug-formatted. Read more
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Self: Display,
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Self: Display,
Causes self to use its Display implementation when
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fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,
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Self: LowerHex,
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Self: LowerHex,
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Self: UpperHex,
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Self: UpperHex,
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&'a Self: for<'a> IntoIterator,
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&'a Self: for<'a> IntoIterator,
Formats each item in a sequence. Read more
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T: ?Sized,
impl<T> Pipe for T where
T: ?Sized,
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Mutably borrows self and passes that borrow into the pipe function. Read more
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&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> R where
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&'a mut self,
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