mirror of
https://github.com/saymrwulf/pasta_curves-source.git
synced 2026-09-04 20:03:39 +00:00
40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
//! The Vesta and iso-Vesta elliptic curve groups.
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use super::{Eq, EqAffine, Fp, Fq, IsoEq, IsoEqAffine};
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/// The base field of the Vesta and iso-Vesta curves.
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pub type Base = Fq;
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/// The scalar field of the Vesta and iso-Vesta curves.
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pub type Scalar = Fp;
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/// A Vesta point in the projective coordinate space.
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pub type Point = Eq;
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/// A Vesta point in the affine coordinate space (or the point at infinity).
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pub type Affine = EqAffine;
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/// An iso-Vesta point in the projective coordinate space.
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pub type IsoPoint = IsoEq;
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/// A iso-Vesta point in the affine coordinate space (or the point at infinity).
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pub type IsoAffine = IsoEqAffine;
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#[test]
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fn test_map_to_curve_vesta() {
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use crate::arithmetic::Curve;
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let hash = Point::hasher("z.cash:test");
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let p: Point = hash(b"hello");
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let (x, y, z) = p.jacobian_coordinates();
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println!("{:?}", p);
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assert!(
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format!("{:?}", x) == "0x3984612258b3b43b4f6e046f7f796bbd35ffd8908804bcf47b9537d3ec7645c9"
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);
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assert!(
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format!("{:?}", y) == "0x2573c035293d745a288a65a7a37709ef99bcf31b77cfb3a1126a61e3adeebc4b"
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);
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assert!(
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format!("{:?}", z) == "0x1cb99da94a634842b09a3ee1e5b462233e1fc23d0b357ec7fb0d1c409be30720"
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);
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}
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