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June 2024 nightly update

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Replaces #571.
This commit is contained in:
Luke Parker
2024-06-01 21:46:47 -04:00
parent f4147c39b2
commit 2a05cf3225
19 changed files with 63 additions and 40 deletions
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26
crypto/ed448/src/backend.rs
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@@ -34,7 +34,7 @@ macro_rules! math_op {
impl $Op<$Other> for $Value {
type Output = $Value;
fn $op_fn(self, other: $Other) -> Self::Output {
Self($function(self.0, other.0))
$Value($function(self.0, other.0))
}
}
impl $Assign<$Other> for $Value {
@@ -45,7 +45,7 @@ macro_rules! math_op {
impl<'a> $Op<&'a $Other> for $Value {
type Output = $Value;
fn $op_fn(self, other: &'a $Other) -> Self::Output {
Self($function(self.0, other.0))
$Value($function(self.0, other.0))
}
}
impl<'a> $Assign<&'a $Other> for $Value {
@@ -60,7 +60,7 @@ macro_rules! from_wrapper {
($wrapper: ident, $inner: ident, $uint: ident) => {
impl From<$uint> for $wrapper {
fn from(a: $uint) -> $wrapper {
Self(Residue::new(&$inner::from(a)))
$wrapper(Residue::new(&$inner::from(a)))
}
}
};
@@ -127,7 +127,7 @@ macro_rules! field {
impl Neg for $FieldName {
type Output = $FieldName;
fn neg(self) -> $FieldName {
Self(self.0.neg())
$FieldName(self.0.neg())
}
}
@@ -141,13 +141,13 @@ macro_rules! field {
impl $FieldName {
/// Perform an exponentiation.
pub fn pow(&self, other: $FieldName) -> $FieldName {
let mut table = [Self(Residue::ONE); 16];
let mut table = [$FieldName(Residue::ONE); 16];
table[1] = *self;
for i in 2 .. 16 {
table[i] = table[i - 1] * self;
}
let mut res = Self(Residue::ONE);
let mut res = $FieldName(Residue::ONE);
let mut bits = 0;
for (i, mut bit) in other.to_le_bits().iter_mut().rev().enumerate() {
bits <<= 1;
@@ -170,8 +170,8 @@ macro_rules! field {
}
impl Field for $FieldName {
const ZERO: Self = Self(Residue::ZERO);
const ONE: Self = Self(Residue::ONE);
const ZERO: Self = $FieldName(Residue::ZERO);
const ONE: Self = $FieldName(Residue::ONE);
fn random(mut rng: impl RngCore) -> Self {
let mut bytes = [0; 112];
@@ -188,12 +188,12 @@ macro_rules! field {
fn invert(&self) -> CtOption<Self> {
const NEG_2: $FieldName =
Self($ResidueType::sub(&$ResidueType::ZERO, &$ResidueType::new(&U448::from_u8(2))));
$FieldName($ResidueType::sub(&$ResidueType::ZERO, &$ResidueType::new(&U448::from_u8(2))));
CtOption::new(self.pow(NEG_2), !self.is_zero())
}
fn sqrt(&self) -> CtOption<Self> {
const MOD_1_4: $FieldName = Self($ResidueType::new(
const MOD_1_4: $FieldName = $FieldName($ResidueType::new(
&$MODULUS.saturating_add(&U448::ONE).wrapping_div(&U448::from_u8(4)),
));
@@ -217,14 +217,14 @@ macro_rules! field {
const TWO_INV: Self = $FieldName($ResidueType::new(&U448::from_u8(2)).invert().0);
const MULTIPLICATIVE_GENERATOR: Self =
Self(Residue::new(&U448::from_u8($MULTIPLICATIVE_GENERATOR)));
$FieldName(Residue::new(&U448::from_u8($MULTIPLICATIVE_GENERATOR)));
// True for both the Ed448 Scalar field and FieldElement field
const S: u32 = 1;
// Both fields have their root of unity as -1
const ROOT_OF_UNITY: Self =
Self($ResidueType::sub(&$ResidueType::ZERO, &$ResidueType::new(&U448::ONE)));
const ROOT_OF_UNITY_INV: Self = Self(Self::ROOT_OF_UNITY.0.invert().0);
$FieldName($ResidueType::sub(&$ResidueType::ZERO, &$ResidueType::new(&U448::ONE)));
const ROOT_OF_UNITY_INV: Self = $FieldName(Self::ROOT_OF_UNITY.0.invert().0);
const DELTA: Self = $FieldName(Residue::new(&U448::from_le_hex($DELTA)));