Struct ark_ec::hashing::map_to_curve_hasher::MapToCurveBasedHasher

pub struct MapToCurveBasedHasher<T, H2F, M2C>where
    T: CurveGroup,
    H2F: HashToField<T::BaseField>,
    M2C: MapToCurve<T>,{ /* private fields */ }

Helper struct that can be used to construct elements on the elliptic curve from arbitrary messages, by first hashing the message onto a field element and then mapping it to the elliptic curve defined over that field.

Trait Implementations

impl<T, H2F, M2C> HashToCurve<T> for MapToCurveBasedHasher<T, H2F, M2C>where
    T: CurveGroup,
    H2F: HashToField<T::BaseField>,
    M2C: MapToCurve<T>,

fn new(domain: &[u8]) -> Result<Self, HashToCurveError>

Create a new hash to curve instance, with a given domain.

fn hash(&self, msg: &[u8]) -> Result<T::Affine, HashToCurveError>

Produce a hash of the message, which also depends on the domain. The output of the hash is a curve point in the prime order subgroup of the given elliptic curve.