introduce crypt.open

bootstrapconfig/config.go

@@ -18,7 +18,22 @@ type Config struct {
 		Script string
 	}
 
-	LVM       []LvmVG
+	SSH struct {
+		Listen string
+		Keys   struct {
+			DSA     string
+			RSA     string
+			ECDSA   string
+			ED25519 string
+		}
+	}
+
+	LVM []LvmVG
+
+	Crypt struct {
+		Open []string
+	}
+
 	Bootstrap Bootstrap
 }