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Update to draft 19 (#101)

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daxpedda
2023-02-08 00:18:04 -08:00
committed by GitHub
parent 40d81294db
commit 5badeff8d2
15 changed files with 1022 additions and 984 deletions
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src/group/mod.rs
+5 -5
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@@ -14,7 +14,7 @@ mod ristretto;
use core::ops::{Add, Mul, Sub};
use digest::core_api::BlockSizeUser;
use digest::Digest;
use digest::{FixedOutput, HashMarker};
use generic_array::typenum::{IsLess, IsLessOrEqual, U256};
use generic_array::{ArrayLength, GenericArray};
use rand_core::{CryptoRng, RngCore};
@@ -54,9 +54,9 @@ pub trait Group {
/// # Errors
/// [`Error::Input`](crate::Error::Input) if the `input` is empty or longer
/// then [`u16::MAX`].
fn hash_to_curve<H>(input: &[&[u8]], dst: &[u8]) -> Result<Self::Elem, InternalError>
fn hash_to_curve<H>(input: &[&[u8]], dst: &[&[u8]]) -> Result<Self::Elem, InternalError>
where
H: Digest + BlockSizeUser,
H: BlockSizeUser + Default + FixedOutput + HashMarker,
H::OutputSize: IsLess<U256> + IsLessOrEqual<H::BlockSize>;
/// Hashes a slice of pseudo-random bytes to a scalar
@@ -64,9 +64,9 @@ pub trait Group {
/// # Errors
/// [`Error::Input`](crate::Error::Input) if the `input` is empty or longer
/// then [`u16::MAX`].
fn hash_to_scalar<H>(input: &[&[u8]], dst: &[u8]) -> Result<Self::Scalar, InternalError>
fn hash_to_scalar<H>(input: &[&[u8]], dst: &[&[u8]]) -> Result<Self::Scalar, InternalError>
where
H: Digest + BlockSizeUser,
H: BlockSizeUser + Default + FixedOutput + HashMarker,
H::OutputSize: IsLess<U256> + IsLessOrEqual<H::BlockSize>;
/// Get the base point for the group