diff --git a/squarenotsquare/src/libs/Random.js b/squarenotsquare/src/libs/Random.js
index ceec7c6..9da374b 100644
--- a/squarenotsquare/src/libs/Random.js
+++ b/squarenotsquare/src/libs/Random.js
@@ -19,4 +19,17 @@ export function generateKey() {
   }
   
   return result.join('');
+}
+
+export function generateSquareChallenge(){
+  let result = [];
+  let uintArray = new Uint8Array(20);
+  let newChallenge = crypto.getRandomValues(uintArray);
+
+  for(let i = 0; i < 20; ++i){
+    let position = newChallenge[i] % 2;
+    result.push(position);
+  }
+
+  return result;
 }
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