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Fully document crypto/

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This commit is contained in:
Luke Parker
2023-03-20 20:10:00 -04:00
parent e1bb2c191b
commit 8d4d630e0f
45 changed files with 335 additions and 208 deletions
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1
crypto/frost/src/curve/dalek.rs
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@@ -22,6 +22,7 @@ macro_rules! dalek_curve {
const CONTEXT: &'static [u8] = $CONTEXT;
}
/// The challenge function for this ciphersuite.
#[derive(Copy, Clone)]
pub struct $Hram;
impl Hram<$Curve> for $Hram {

6
crypto/frost/src/curve/ed448.rs
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@@ -11,11 +11,12 @@ impl Curve for Ed448 {
const CONTEXT: &'static [u8] = CONTEXT;
}
// The RFC-8032 Ed448 challenge function.
#[derive(Copy, Clone)]
pub struct Ietf8032Ed448Hram;
pub(crate) struct Ietf8032Ed448Hram;
impl Ietf8032Ed448Hram {
#[allow(non_snake_case)]
pub fn hram(context: &[u8], R: &Point, A: &Point, m: &[u8]) -> Scalar {
pub(crate) fn hram(context: &[u8], R: &Point, A: &Point, m: &[u8]) -> Scalar {
Scalar::wide_reduce(
Shake256_114::digest(
[
@@ -32,6 +33,7 @@ impl Ietf8032Ed448Hram {
}
}
/// The challenge function for FROST's Ed448 ciphersuite.
#[derive(Copy, Clone)]
pub struct IetfEd448Hram;
impl Hram<Ed448> for IetfEd448Hram {

1
crypto/frost/src/curve/kp256.rs
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@@ -17,6 +17,7 @@ macro_rules! kp_curve {
const CONTEXT: &'static [u8] = $CONTEXT;
}
/// The challenge function for this ciphersuite.
#[derive(Clone)]
pub struct $Hram;
impl Hram<$Curve> for $Hram {

11
crypto/frost/src/curve/mod.rs
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@@ -33,10 +33,14 @@ pub use kp256::{P256, IetfP256Hram};
#[cfg(feature = "ed448")]
mod ed448;
#[cfg(feature = "ed448")]
pub use ed448::{Ed448, Ietf8032Ed448Hram, IetfEd448Hram};
pub use ed448::{Ed448, IetfEd448Hram};
#[cfg(all(test, feature = "ed448"))]
pub(crate) use ed448::Ietf8032Ed448Hram;
/// FROST Ciphersuite, except for the signing algorithm specific H2, making this solely the curve,
/// its associated hash function, and the functions derived from it.
/// FROST Ciphersuite.
///
/// This exclude the signing algorithm specific H2, making this solely the curve, its associated
/// hash function, and the functions derived from it.
pub trait Curve: Ciphersuite {
/// Context string for this curve.
const CONTEXT: &'static [u8];
@@ -98,6 +102,7 @@ pub trait Curve: Ciphersuite {
res
}
/// Read a point from a reader, rejecting identity.
#[allow(non_snake_case)]
fn read_G<R: Read>(reader: &mut R) -> io::Result<Self::G> {
let res = <Self as Ciphersuite>::read_G(reader)?;