From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- src/crypto/elliptic/fuzz_test.go | 53 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 src/crypto/elliptic/fuzz_test.go (limited to 'src/crypto/elliptic/fuzz_test.go') diff --git a/src/crypto/elliptic/fuzz_test.go b/src/crypto/elliptic/fuzz_test.go new file mode 100644 index 0000000..2b5ddae --- /dev/null +++ b/src/crypto/elliptic/fuzz_test.go @@ -0,0 +1,53 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build amd64 || arm64 || ppc64le + +package elliptic + +import ( + "crypto/rand" + "testing" + "time" +) + +func TestFuzz(t *testing.T) { + p256 := P256() + p256Generic := p256.Params() + + var scalar1 [32]byte + var scalar2 [32]byte + var timeout *time.Timer + + if testing.Short() { + timeout = time.NewTimer(10 * time.Millisecond) + } else { + timeout = time.NewTimer(2 * time.Second) + } + + for { + select { + case <-timeout.C: + return + default: + } + + rand.Read(scalar1[:]) + rand.Read(scalar2[:]) + + x, y := p256.ScalarBaseMult(scalar1[:]) + x2, y2 := p256Generic.ScalarBaseMult(scalar1[:]) + + xx, yy := p256.ScalarMult(x, y, scalar2[:]) + xx2, yy2 := p256Generic.ScalarMult(x2, y2, scalar2[:]) + + if x.Cmp(x2) != 0 || y.Cmp(y2) != 0 { + t.Fatalf("ScalarBaseMult does not match reference result with scalar: %x, please report this error to security@golang.org", scalar1) + } + + if xx.Cmp(xx2) != 0 || yy.Cmp(yy2) != 0 { + t.Fatalf("ScalarMult does not match reference result with scalars: %x and %x, please report this error to security@golang.org", scalar1, scalar2) + } + } +} -- cgit v1.2.3