Struct Public 

pub struct Public<S: Suite>(pub AffinePoint<S>);

Public key generic over the cipher suite.

Elliptic curve point representing the public component of a VRF key pair.

Tuple Fields

0: AffinePoint<S>

Implementations

impl<S: Suite> Public<S>

pub fn from(value: AffinePoint<S>) -> Self

Construct from inner affine point.

This allows creating a public key from an existing curve point.

Trait Implementations

impl<S: Suite> CanonicalDeserialize for Public<S>

fn deserialize_with_mode<R: Read>( reader: R, compress: Compress, validate: Validate, ) -> Result<Self, SerializationError>

The general deserialize method that takes in customization flags.

fn deserialize_compressed<R>(reader: R) -> Result<Self, SerializationError>

where R: Read,

fn deserialize_compressed_unchecked<R>( reader: R, ) -> Result<Self, SerializationError>

where R: Read,

fn deserialize_uncompressed<R>(reader: R) -> Result<Self, SerializationError>

where R: Read,

fn deserialize_uncompressed_unchecked<R>( reader: R, ) -> Result<Self, SerializationError>

where R: Read,

impl<S: Suite> CanonicalSerialize for Public<S>

fn serialize_with_mode<W: Write>( &self, writer: W, compress: Compress, ) -> Result<(), SerializationError>

The general serialize method that takes in customization flags.

fn serialized_size(&self, compress: Compress) -> usize

fn serialize_compressed<W>(&self, writer: W) -> Result<(), SerializationError>

where W: Write,

fn compressed_size(&self) -> usize

fn serialize_uncompressed<W>(&self, writer: W) -> Result<(), SerializationError>

where W: Write,

fn uncompressed_size(&self) -> usize

impl<S: Clone + Suite> Clone for Public<S>

fn clone(&self) -> Public<S>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<S: Debug + Suite> Debug for Public<S>

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

Formats the value using the given formatter.

impl<S: PartialEq + Suite> PartialEq for Public<S>

fn eq(&self, other: &Public<S>) -> 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<S: Suite> Valid for Public<S>

fn check(&self) -> Result<(), SerializationError>

fn batch_check<'a>( batch: impl Iterator<Item = &'a Self> + Send, ) -> Result<(), SerializationError>

where Self: 'a,

impl<S: IetfSuite> Verifier<S> for Public<S>

fn verify( &self, input: Input<S>, output: Output<S>, aux: impl AsRef<[u8]>, proof: &Proof<S>, ) -> Result<(), Error>

Implements the IETF VRF verification algorithm.

This follows the procedure specified in RFC-9381 section 5.3, with extensions to support verifying additional data bound to the proof:

1. Compute u = s*G - c*Y where G is the generator and Y is the public key
2. Compute v = s*H - c*O where H is the input point and O is the output point
3. Recompute the expected challenge c_exp using all public values, u, v and the additional data
4. Verify that c_exp == c from the proof

impl<S: PedersenSuite> Verifier<S> for Public<S>

fn verify( input: Input<S>, output: Output<S>, ad: impl AsRef<[u8]>, proof: &Proof<S>, ) -> Result<(), Error>

Verify a proof for the given input/output and additional data.

impl<S: RingSuite> Verifier<S> for Public<S>

fn verify( input: Input<S>, output: Output<S>, ad: impl AsRef<[u8]>, sig: &Proof<S>, verifier: &RingVerifier<S>, ) -> Result<(), Error>

Verify a proof for the given input/output and additional data.

impl<S: Copy + Suite> Copy for Public<S>

impl<S: Suite> StructuralPartialEq for Public<S>