1 files changed, 28 insertions, 0 deletions
diff --git a/internal/stupidgcm/gcm_test.go b/internal/stupidgcm/gcm_test.go
new file mode 100644
index 0000000..5323afa
--- /dev/null
+++ b/internal/stupidgcm/gcm_test.go
@@ -0,0 +1,28 @@
+// +build !without_openssl
+
+// We compare against Go's built-in GCM implementation. Since stupidgcm only
+// supports 128-bit IVs and Go only supports that from 1.5 onward, we cannot
+// run these tests on older Go versions.
+package stupidgcm
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"testing"
+)
+
+func TestStupidGCM(t *testing.T) {
+	key := randBytes(32)
+	sGCM := New(key, false)
+
+	gAES, err := aes.NewCipher(key)
+	if err != nil {
+		t.Fatal(err)
+	}
+	gGCM, err := cipher.NewGCMWithNonceSize(gAES, 16)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	testCiphers(t, sGCM, gGCM)
+}