From fe9c3982a1ee0d2d676260b9178c448acea0b374 Mon Sep 17 00:00:00 2001
From: Chris Eager <chris@signal.org>
Date: Tue, 21 Mar 2023 17:16:39 -0500
Subject: [PATCH] Remove prepended username from `/v2/backup/auth` response

---
 .../controllers/SecureValueRecovery2Controller.java              | 1 +
 1 file changed, 1 insertion(+)

diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/controllers/SecureValueRecovery2Controller.java b/service/src/main/java/org/whispersystems/textsecuregcm/controllers/SecureValueRecovery2Controller.java
index be4a163ab..2160a87c4 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/controllers/SecureValueRecovery2Controller.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/controllers/SecureValueRecovery2Controller.java
@@ -27,6 +27,7 @@ public class SecureValueRecovery2Controller {
     return ExternalServiceCredentialsGenerator
         .builder(cfg.userAuthenticationTokenSharedSecret())
         .withUserDerivationKey(cfg.userIdTokenSharedSecret())
+        .prependUsername(false)
         .build();
   }