From 7f45bb8f5b369ae6d952a0f959321af2a57c03fe Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 11 Jun 2026 15:46:23 +0200
Subject: [PATCH] http_digest: return better error

It is not a content encoding error.

Found by the GitHub AI thing.

Closes #21969
---
 lib/http_digest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/http_digest.c b/lib/http_digest.c
index 0e10700407..640553867f 100644
--- a/lib/http_digest.c
+++ b/lib/http_digest.c
@@ -54,7 +54,7 @@ CURLcode Curl_input_digest(struct Curl_easy *data,
   }
 
   if(!checkprefix("Digest", header) || !ISBLANK(header[6]))
-    return CURLE_BAD_CONTENT_ENCODING;
+    return CURLE_AUTH_ERROR;
 
   header += strlen("Digest");
   curlx_str_passblanks(&header);