Adding upstream version 1.20.14.upstream/1.20.14upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 57 insertions, 0 deletions

diff --git a/src/crypto/boring/boring.go b/src/crypto/boring/boring.go
new file mode 100644
index 0000000..097c37e
--- /dev/null
+++ b/src/crypto/boring/boring.go
@@ -0,0 +1,21 @@
+// Copyright 2020 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 boringcrypto
+
+// Package boring exposes functions that are only available when building with
+// Go+BoringCrypto. This package is available on all targets as long as the
+// Go+BoringCrypto toolchain is used. Use the Enabled function to determine
+// whether the BoringCrypto core is actually in use.
+//
+// Any time the Go+BoringCrypto toolchain is used, the "boringcrypto" build tag
+// is satisfied, so that applications can tag files that use this package.
+package boring
+
+import "crypto/internal/boring"
+
+// Enabled reports whether BoringCrypto handles supported crypto operations.
+func Enabled() bool {
+	return boring.Enabled
+}
diff --git a/src/crypto/boring/boring_test.go b/src/crypto/boring/boring_test.go
new file mode 100644
index 0000000..33e5f1b
--- /dev/null
+++ b/src/crypto/boring/boring_test.go
@@ -0,0 +1,22 @@
+// Copyright 2020 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 boringcrypto
+
+package boring_test
+
+import (
+	"crypto/boring"
+	"runtime"
+	"testing"
+)
+
+func TestEnabled(t *testing.T) {
+	supportedPlatform := runtime.GOOS == "linux" && (runtime.GOARCH == "amd64" || runtime.GOARCH == "arm64")
+	if supportedPlatform && !boring.Enabled() {
+		t.Error("Enabled returned false on a supported platform")
+	} else if !supportedPlatform && boring.Enabled() {
+		t.Error("Enabled returned true on an unsupported platform")
+	}
+}
diff --git a/src/crypto/boring/notboring_test.go b/src/crypto/boring/notboring_test.go
new file mode 100644
index 0000000..ffe18e9
--- /dev/null
+++ b/src/crypto/boring/notboring_test.go
@@ -0,0 +1,14 @@
+// Copyright 2020 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 (goexperiment.boringcrypto && !boringcrypto) || (!goexperiment.boringcrypto && boringcrypto)
+// +build goexperiment.boringcrypto,!boringcrypto !goexperiment.boringcrypto,boringcrypto
+
+package boring_test
+
+import "testing"
+
+func TestNotBoring(t *testing.T) {
+	t.Error("goexperiment.boringcrypto and boringcrypto should be equivalent build tags")
+}