diff --git a/src/platform/types/Platform.d.ts b/src/platform/types/Platform.d.ts
index cdc0da84..47aa20bd 100644
--- a/src/platform/types/Platform.d.ts
+++ b/src/platform/types/Platform.d.ts
@@ -25,3 +25,7 @@ export interface IPlatformConfig {
         wasmBundle: string;
     }
 }
+
+export interface CryptoExtras {
+    aesjs?: any;
+}