Allow building on !linux

PiperOrigin-RevId: 209819644
Change-Id: I329d054bf8f4999e7db0dcd95b13f7793c65d4e2

1 files changed, 6 insertions, 16 deletions

diff --git a/pkg/rand/rand.go b/pkg/rand/rand.go
index 37ac07620..e81f0f5db 100644
--- a/pkg/rand/rand.go
+++ b/pkg/rand/rand.go
@@ -12,28 +12,18 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !linux
+
 // Package rand implements a cryptographically secure pseudorandom number
 // generator.
 package rand
 
-import (
-	"io"
-
-	"golang.org/x/sys/unix"
-)
-
-// reader implements an io.Reader that returns pseudorandom bytes.
-type reader struct{}
-
-// Read implements io.Reader.Read.
-func (reader) Read(p []byte) (int, error) {
-	return unix.Getrandom(p, 0)
-}
+import "crypto/rand"
 
 // Reader is the default reader.
-var Reader io.Reader = reader{}
+var Reader = rand.Reader
 
-// Read reads from the default reader.
+// Read implements io.Reader.Read.
 func Read(b []byte) (int, error) {
-	return io.ReadFull(Reader, b)
+	return rand.Read(b)
 }