Struct ciphersuite::Secp256k1

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pub struct Secp256k1;
Available on crate features kp256 and secp256k1 only.
Expand description

Ciphersuite for Secp256k1.

hash_to_F is implemented via the IETF draft for hash to curve’s hash_to_field (v16).

Trait Implementations§

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impl Ciphersuite for Secp256k1

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type F = Scalar

Scalar field element type.
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type G = ProjectivePoint

Group element type.
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type H = CoreWrapper<CtVariableCoreWrapper<Sha256VarCore, UInt<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>, B0>, OidSha256>>

Hash algorithm used with this curve.
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const ID: &'static [u8] = b"secp256k1"

ID for this curve.
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fn generator() -> Self::G

Generator for the group.
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fn hash_to_F(dst: &[u8], msg: &[u8]) -> Self::F

Hash the provided domain-separation tag and message to a scalar. Ciphersuites MAY naively prefix the tag to the message, enabling transpotion between the two. Accordingly, this function should NOT be used in any scheme where one tag is a valid substring of another UNLESS the specific Ciphersuite is verified to handle the DST securely. Read more
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fn random_nonzero_F<R: RngCore + CryptoRng>(rng: &mut R) -> Self::F

Generate a random non-zero scalar.
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fn read_F<R: Read>(reader: &mut R) -> Result<Self::F>

Available on crate features alloc or std only.
Read a canonical scalar from something implementing std::io::Read.
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fn read_G<R: Read>(reader: &mut R) -> Result<Self::G>

Available on crate features alloc or std only.
Read a canonical point from something implementing std::io::Read.
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impl Clone for Secp256k1

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fn clone(&self) -> Secp256k1

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Secp256k1

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

Formats the value using the given formatter. Read more
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impl PartialEq<Secp256k1> for Secp256k1

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Zeroize for Secp256k1

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fn zeroize(&mut self)

Zero out this object from memory using Rust intrinsics which ensure the zeroization operation is not “optimized away” by the compiler.
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impl Copy for Secp256k1

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impl Eq for Secp256k1

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impl StructuralEq for Secp256k1

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impl StructuralPartialEq for Secp256k1

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