Struct Secp256k1 

pub struct Secp256k1;

Trait Implementations

impl Clone for Secp256k1

fn clone(&self) -> Secp256k1

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Curve for Secp256k1

const ORDER: U256 = ORDER

Curve order.

type FieldBytesSize = UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>

32-byte serialized field elements.

type Uint = Uint<crypto_bigint::::uint::U256::{constant#0}>

Integer type used to represent field elements of this elliptic curve.

impl CurveArithmetic for Secp256k1

type AffinePoint = Secp256k1Point

Elliptic curve point in affine coordinates.

type ProjectivePoint = Secp256k1Point

Elliptic curve point in projective coordinates.

type Scalar = Secp256k1Scalar

Scalar field modulo this curve’s order.

impl Debug for Secp256k1

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

Formats the value using the given formatter.

impl DecompactPoint<Secp256k1> for Secp256k1Point

fn decompact(x_bytes: &FieldBytes<Secp256k1>) -> CtOption<Self>

Attempt to decompact an elliptic curve point

impl DecompressPoint<Secp256k1> for Secp256k1Point

fn decompress( x_bytes: &FieldBytes<Secp256k1>, y_is_odd: Choice, ) -> CtOption<Self>

Note that this is not constant time

impl Default for Secp256k1

fn default() -> Secp256k1

Returns the “default value” for a type.

impl FieldBytesEncoding<Secp256k1> for U256

fn decode_field_bytes(field_bytes: &FieldBytes<Secp256k1>) -> Self

Decode unsigned integer from serialized field element.

fn encode_field_bytes(&self) -> FieldBytes<Secp256k1>

Encode unsigned integer into serialized field element.

impl FromEncodedPoint<Secp256k1> for Secp256k1Point

fn from_encoded_point(encoded_point: &EncodedPoint) -> CtOption<Self>

Attempts to parse the given EncodedPoint as an SEC1-encoded Secp256k1Point.

Returns

None value if encoded_point is not on the secp256k1 curve.

impl IntrinsicCurve for Secp256k1

type Scalar = Secp256k1Scalar

type Point = Secp256k1Point

fn msm(coeffs: &[Self::Scalar], bases: &[Self::Point]) -> Self::Point

where for<'a> &'a Self::Point: Add<&'a Self::Point, Output = Self::Point>,

Multi-scalar multiplication. The implementation may be specialized to use properties of the curve (e.g., if the curve order is prime).

impl Ord for Secp256k1

fn cmp(&self, other: &Secp256k1) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Secp256k1

fn eq(&self, other: &Secp256k1) -> bool

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Secp256k1

fn partial_cmp(&self, other: &Secp256k1) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl PointCompression for Secp256k1

const COMPRESS_POINTS: bool = true

secp256k1 points are typically compressed.

impl SignPrimitive<Secp256k1> for Scalar

fn try_sign_prehashed<K>( &self, _k: K, _z: &FieldBytes<Secp256k1>, ) -> Result<(Signature, Option<RecoveryId>)>

where K: AsRef<Self> + Invert<Output = CtOption<Self>>,

Try to sign the prehashed message.

fn try_sign_prehashed_rfc6979<D>( &self, z: &GenericArray<u8, <C as Curve>::FieldBytesSize>, ad: &[u8], ) -> Result<(Signature<C>, Option<RecoveryId>), Error>

where Self: From<ScalarPrimitive<C>> + Invert<Output = CtOption<Self>>, D: Digest<OutputSize = <C as Curve>::FieldBytesSize> + BlockSizeUser + FixedOutput + FixedOutputReset,

Try to sign the given message digest deterministically using the method described in RFC6979 for computing ECDSA ephemeral scalar k.

impl ToEncodedPoint<Secp256k1> for Secp256k1Point

fn to_encoded_point(&self, compress: bool) -> EncodedPoint

Serialize this value as a SEC1 EncodedPoint, optionally applying point compression.

impl VerifyCustomHook<Secp256k1> for Secp256k1Point

fn verify_hook(&self, _z: &[u8], sig: &Signature) -> Result<()>

This is NOT the full ECDSA signature verification algorithm. The implementer should only add additional verification logic not contained in verify_prehashed. The default implementation does nothing.

impl VerifyPrimitive<Secp256k1> for Secp256k1Point

fn verify_prehashed( &self, z: &FieldBytes<Secp256k1>, sig: &Signature, ) -> Result<(), Error>

Verify the prehashed message against the provided ECDSA signature.

fn verify_digest<D>( &self, msg_digest: D, sig: &Signature<C>, ) -> Result<(), Error>

where D: FixedOutput<OutputSize = <C as Curve>::FieldBytesSize>,

Verify message digest against the provided signature.

impl Copy for Secp256k1

impl Eq for Secp256k1

impl PrimeCurve for Secp256k1

impl StructuralPartialEq for Secp256k1