logos-storage/plonky2
1
0
Fork 0
mirror of https://github.com/logos-storage/plonky2.git synced 2026-01-06 15:53:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

fixes

Browse Source
This commit is contained in:
Nicholas Ward 2022-02-14 14:05:21 -08:00
parent e88564ce5e
commit 0140f7a3cf
2 changed files with 15 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
plonky2/src/gadgets/curve_windowed_mul.rs
View File

@ -23,16 +23,20 @@ impl<F: RichField + Extendable<D>, const D: usize> CircuitBuilder<F, D> {
&mut self,
p: &AffinePointTarget<C>,
) -> Vec<AffinePointTarget<C>> {
let mut multiples = vec![self.constant_affine_point(C::GENERATOR_AFFINE)];
let mut cur = p.clone();
for _pow in 0..WINDOW_SIZE {
for existing in multiples.clone() {
multiples.push(self.curve_add(&cur, &existing));
}
cur = self.curve_double(&cur);
}
let neg = {
let mut g = C::GENERATOR_AFFINE;
g.y = -g.y;
self.constant_affine_point(g)
};
multiples
let mut multiples = vec![self.constant_affine_point(C::GENERATOR_AFFINE)];
for i in 1..1 << WINDOW_SIZE {
multiples.push(self.curve_add(p, &multiples[i - 1]));
}
for i in 1..1 << WINDOW_SIZE {
multiples[i] = self.curve_add(&neg, &multiples[i]);
}
multiples
}
pub fn random_access_curve_points<C: Curve>(
@ -107,8 +111,7 @@ impl<F: RichField + Extendable<D>, const D: usize> CircuitBuilder<F, D> {
let zero = self.zero();
let windows = self.split_nonnative_to_4_bit_limbs(n);
let m = C::ScalarField::BITS / WINDOW_SIZE;
for i in (0..m).rev() {
for i in (0..windows.len()).rev() {
result = self.curve_repeated_double(&result, WINDOW_SIZE);
let window = windows[i];

1
plonky2/src/plonk/circuit_builder.rs
View File

@ -150,6 +150,7 @@ impl<F: RichField + Extendable<D>, const D: usize> CircuitBuilder<F, D> {
/// generate the final witness (a grid of wire values), these virtual targets will go away.
pub fn add_virtual_target(&mut self) -> Target {
let index = self.virtual_target_index;
self.virtual_target_index += 1;
Target::VirtualTarget { index }
}