api kicking my ass :( I tried 3 different attempts for authorization but no luck

lib/twitter_assets/twitterFeed.dart

@@ -4,6 +4,7 @@ import 'package:capstone_hungry_hippos/screens/twitter_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:http/http.dart' as http;
 import 'package:twitter_api/twitter_api.dart';
+import'package:crypto/crypto.dart';
 
 import 'dart:convert';
 
@@ -15,7 +16,7 @@ final twitterBase = 'https://api.twitter.com/1.1/search';
 
 final _twitterOauth = new twitterApi(
     consumerKey: "gsa3eHPVGK90dt6fgUC2ZSbTE",
-    consumerSecret: "rwEjykGOfapPLTVkWgedSCU8Eld130EEHFyu3W0Ye3fDcKj5Vf",
+    consumerSecret: "rwEjykGOfapPLTVkWgedSCU8Eld130EEHFyu3W0Ye3fDcKj5V",
     token: "910563313108574211-WynoAeUKJrnE6uXPv8vJGx4ITGS1ggG",
     tokenSecret: "dWFYYbn6J1QTyV86femOdriX7MfMSANSjH3m48ZtEZUNW",
 );
@@ -27,6 +28,7 @@ class TwitterFeedCreation {
 
   Future<List<Tweet>> getPage() async {
 
+
     var response = await _twitterOauth.getTwitterRequest(
         "GET",
         "/statuses/user_timeline.json",
@@ -41,9 +43,29 @@ class TwitterFeedCreation {
     Iterable tweets = json.decode(response.body);
     print(tweets);
     return tweets.map((e) => Tweet.fromJson(e)).toList();
+
   }
 }
 
+String _getSig(String method, String base, List<String> sortedItems){
+  String param = ''; 
+  
+  for (int i = 0; i < sortedItems.length; i++) {
+    if (i == 0) {
+      param = sortedItems[i];
+    } else {
+      param += '%${sortedItems[i]}';
+    }
+  }
+  String sig = '$method&${Uri.encodeComponent(base)}&${Uri.encodeComponent(param)}';
+  String key = '${Uri.encodeComponent("gsa3eHPVGK90dt6fgUC2ZSbTE")}&${Uri.encodeComponent("rwEjykGOfapPLTVkWgedSCU8Eld130EEHFyu3W0Ye3fDcKj5V")}';
+
+  var digest = Hmac(sha1, utf8.encode(key)).convert(utf8.encode(sig));
+  return base64.encode(digest.bytes);
+}
+
+
+
 
 class VerticalTwitterFeed extends StatelessWidget{
 

pubspec.lock

@@ -58,7 +58,7 @@ packages:
     source: hosted
     version: "2.1.1"
   crypto:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: crypto
       url: "https://pub.dartlang.org"

pubspec.yaml

@@ -25,6 +25,7 @@ dependencies:
   http: ^0.12.0+4
   shared_preferences: ^0.5.6+3
   twitter_api: ^0.1.2
+  crypto:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.