SHA256 alternative

NOTICE.txt

@@ -618,6 +618,13 @@ https://github.com/yonik/noggit
 This product includes the Angular UI UI Grid JavaScript library.
 Copyright (c) 2015 the AngularUI Team, http://angular-ui.github.com
 
+=========================================================================
+==         jsSHA notice                                                ==
+=========================================================================
+
+This product includes the jsSHA library.
+Copyright (c) 2008-2023 Brian Turek, 1998-2009 Paul Johnston & Contributors
+https://github.com/Caligatio/jsSHA
 
 =========================================================================
 ==         grpc notice                                                 ==

solr/webapp/web/index.html

@@ -70,6 +70,7 @@
   <script src="libs/ui-grid.min.js?_=${version}"></script>
   <script src="libs/jquery-ui.min.js?_=${version}"></script>
   <script src="libs/angular-utf8-base64.min.js?_=${version}"></script>
+  <script src="libs/sha256-3.3.1.min.js?_=${version}"></script>
   <script src="js/angular/app.js?_=${version}"></script>
   <script src="js/angular/services.js?_=${version}"></script>
   <script src="js/angular/permissions.js?_=${version}"></script>

solr/webapp/web/js/angular/services.js

@@ -328,8 +328,8 @@ solrAdminServices.factory('System',
       }
 
       function sha256(str) {
-        const encoder = new TextEncoder();
-        return window.crypto.subtle.digest("SHA-256", encoder.encode(str));
+        const shaObj = new jsSHA("SHA-256", "TEXT", { encoding: "UTF8" });
+        return shaObj.update(str).getHash("ARRAYBUFFER");
       }
 
       function base64urlencode(a) {