authorgravatar for iodizon@163.comHydroH <iodizon@163.com> 2025-05-06 02:50:25+08:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-05-06 18:03:03+02:00
logb21fa8e2cd98d487d50755416c7ab90ebd6e620e
treecacf22997d5aa2cd75c07d2d026abe2c7ba70a2e
parent5cfd47660cc0422f92c5c2d029d6dbad3f213e52
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

std: fix compile errors in `std.crypto.ecc` (#23797)

Implemented `neg()` method for `AffineCoordinates` struct of p256, p384 and secp256k1 curves. Resolves: #20505 (partially)

3 files changed, 12 insertions(+), 0 deletions(-)

lib/std/crypto/pcurves/p256.zig+4
...@@ -471,6 +471,10 @@ pub const AffineCoordinates = struct {...@@ -471,6 +471,10 @@ pub const AffineCoordinates = struct {
471 /// Identity element in affine coordinates.471 /// Identity element in affine coordinates.
472 pub const identityElement = AffineCoordinates{ .x = P256.identityElement.x, .y = P256.identityElement.y };472 pub const identityElement = AffineCoordinates{ .x = P256.identityElement.x, .y = P256.identityElement.y };
473473
474 pub fn neg(p: AffineCoordinates) AffineCoordinates {
475 return .{ .x = p.x, .y = p.y.neg() };
476 }
477
474 fn cMov(p: *AffineCoordinates, a: AffineCoordinates, c: u1) void {478 fn cMov(p: *AffineCoordinates, a: AffineCoordinates, c: u1) void {
475 p.x.cMov(a.x, c);479 p.x.cMov(a.x, c);
476 p.y.cMov(a.y, c);480 p.y.cMov(a.y, c);
lib/std/crypto/pcurves/p384.zig+4
...@@ -471,6 +471,10 @@ pub const AffineCoordinates = struct {...@@ -471,6 +471,10 @@ pub const AffineCoordinates = struct {
471 /// Identity element in affine coordinates.471 /// Identity element in affine coordinates.
472 pub const identityElement = AffineCoordinates{ .x = P384.identityElement.x, .y = P384.identityElement.y };472 pub const identityElement = AffineCoordinates{ .x = P384.identityElement.x, .y = P384.identityElement.y };
473473
474 pub fn neg(p: AffineCoordinates) AffineCoordinates {
475 return .{ .x = p.x, .y = p.y.neg() };
476 }
477
474 fn cMov(p: *AffineCoordinates, a: AffineCoordinates, c: u1) void {478 fn cMov(p: *AffineCoordinates, a: AffineCoordinates, c: u1) void {
475 p.x.cMov(a.x, c);479 p.x.cMov(a.x, c);
476 p.y.cMov(a.y, c);480 p.y.cMov(a.y, c);
lib/std/crypto/pcurves/secp256k1.zig+4
...@@ -549,6 +549,10 @@ pub const AffineCoordinates = struct {...@@ -549,6 +549,10 @@ pub const AffineCoordinates = struct {
549 /// Identity element in affine coordinates.549 /// Identity element in affine coordinates.
550 pub const identityElement = AffineCoordinates{ .x = Secp256k1.identityElement.x, .y = Secp256k1.identityElement.y };550 pub const identityElement = AffineCoordinates{ .x = Secp256k1.identityElement.x, .y = Secp256k1.identityElement.y };
551551
552 pub fn neg(p: AffineCoordinates) AffineCoordinates {
553 return .{ .x = p.x, .y = p.y.neg() };
554 }
555
552 fn cMov(p: *AffineCoordinates, a: AffineCoordinates, c: u1) void {556 fn cMov(p: *AffineCoordinates, a: AffineCoordinates, c: u1) void {
553 p.x.cMov(a.x, c);557 p.x.cMov(a.x, c);
554 p.y.cMov(a.y, c);558 p.y.cMov(a.y, c);