1 files changed, 28 insertions, 0 deletions
diff --git a/internal/stupidgcm/without_aegis.go b/internal/stupidgcm/without_aegis.go
new file mode 100644
index 0000000..efd665c
--- /dev/null
+++ b/internal/stupidgcm/without_aegis.go
@@ -0,0 +1,28 @@
+//go:build without_aegis || !cgo
+// +build without_aegis !cgo
+
+package stupidgcm
+
+import (
+	"fmt"
+	"os"
+
+	"crypto/cipher"
+
+	"github.com/rfjakob/gocryptfs/v2/internal/exitcodes"
+)
+
+const (
+	// BuiltWithoutAegis indicates if openssl been disabled at compile-time
+	BuiltWithoutAegis = true
+)
+
+type stupidAegis struct {
+	aead cipher.AEAD
+}
+
+func NewAegis(_ []byte) cipher.AEAD {
+	fmt.Fprintln(os.Stderr, "I have been compiled without aegis support but you are still trying to use aegis")
+	os.Exit(exitcodes.Aegis)
+	return nil
+}