diff --git a/backend/src/lib/crypto/index.ts b/backend/src/lib/crypto/index.ts
index 62278de1d..be896a8bc 100644
--- a/backend/src/lib/crypto/index.ts
+++ b/backend/src/lib/crypto/index.ts
@@ -10,3 +10,4 @@ export {
   generateAsymmetricKeyPair
 } from "./encryption";
 export { generateSrpServerKey, srpCheckClientProof } from "./srp";
+export { decodeBase64, encodeBase64 } from "tweetnacl-util";