identity_jose/jwk/curve/
bls.rs

1// Copyright 2020-2024 IOTA Stiftung, Fondazione Links
2// SPDX-License-Identifier: Apache-2.0
3
4use core::fmt::Display;
5use core::fmt::Formatter;
6use core::fmt::Result;
7
8/// Supported BLS Curves.
9///
10/// [More Info](https://datatracker.ietf.org/doc/html/draft-ietf-cose-bls-key-representations-05#name-curve-parameter-registratio)
11#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
12pub enum BlsCurve {
13  /// A cryptographic key on the Barreto-Lynn-Scott (BLS) curve featuring an embedding degree 12 with 381-bit p in the
14  /// subgroup of G1.
15  BLS12381G1,
16  /// A cryptographic key on the Barreto-Lynn-Scott (BLS) curve featuring an embedding degree 12 with 381-bit p in the
17  /// subgroup of G2.
18  BLS12381G2,
19  /// A cryptographic key on the Barreto-Lynn-Scott (BLS) curve featuring an embedding degree 48 with 581-bit p in the
20  /// subgroup of G1.
21  BLS48581G1,
22  /// A cryptographic key on the Barreto-Lynn-Scott (BLS) curve featuring an embedding degree 48 with 581-bit p in the
23  /// subgroup of G2.
24  BLS48581G2,
25}
26
27impl BlsCurve {
28  /// Returns the name of the curve as a string slice.
29  pub const fn name(self) -> &'static str {
30    match self {
31      Self::BLS12381G1 => "BLS12381G1",
32      Self::BLS12381G2 => "BLS12381G2",
33      Self::BLS48581G1 => "BLS48581G1",
34      Self::BLS48581G2 => "BLS48581G2",
35    }
36  }
37}
38
39impl Display for BlsCurve {
40  fn fmt(&self, f: &mut Formatter<'_>) -> Result {
41    f.write_str(self.name())
42  }
43}
identity_jose/jwk/curve/bls.rs

identity_jose/jwk/curve/
bls.rs
