From 002cce0874201fd6fc05a69532caeb1db0b8aeb0 Mon Sep 17 00:00:00 2001
From: floweeb <floydqaranja@gmail.com>
Date: Sun, 22 Dec 2024 18:26:00 +0300
Subject: [PATCH 1/2] feat: changing hashing from MD5 to SHA256

---
 packages/react-server/src/ReactServerStreamConfigNode.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/react-server/src/ReactServerStreamConfigNode.js b/packages/react-server/src/ReactServerStreamConfigNode.js
index fe03332618140..0e5e7bf17004f 100644
--- a/packages/react-server/src/ReactServerStreamConfigNode.js
+++ b/packages/react-server/src/ReactServerStreamConfigNode.js
@@ -232,7 +232,7 @@ export function closeWithError(destination: Destination, error: mixed): void {
 }
 
 export function createFastHash(input: string): string | number {
-  const hash = createHash('md5');
+  const hash = createHash('sha256');
   hash.update(input);
   return hash.digest('hex');
 }

From bbd3194bba6580e12f56376b8bd29965d8644b8f Mon Sep 17 00:00:00 2001
From: floweeb <floydqaranja@gmail.com>
Date: Wed, 25 Dec 2024 17:54:41 +0300
Subject: [PATCH 2/2] [tests] Added tests for the createFastHash function that
 uses sha256 now. Merry christmas :)

---
 packages/react-server/src/__tests__/ReactServer-test.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/react-server/src/__tests__/ReactServer-test.js b/packages/react-server/src/__tests__/ReactServer-test.js
index d827e82de0cac..cc32b5ca90b97 100644
--- a/packages/react-server/src/__tests__/ReactServer-test.js
+++ b/packages/react-server/src/__tests__/ReactServer-test.js
@@ -12,6 +12,7 @@
 
 let React;
 let ReactNoopServer;
+let sha256;
 
 describe('ReactServer', () => {
   beforeEach(() => {
@@ -19,6 +20,7 @@ describe('ReactServer', () => {
 
     React = require('react');
     ReactNoopServer = require('react-noop-renderer/server');
+    sha256 = require('../ReactServerStreamConfigNode.js')
   });
 
   function div(...children) {
@@ -32,4 +34,10 @@ describe('ReactServer', () => {
     const result = ReactNoopServer.render(<div>hello world</div>);
     expect(result.root).toEqual(div('hello world'));
   });
+
+  it('correctly computes sha256', () =>{
+    const expectedOutput = 'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9';
+    const hash = sha256.createFastHash('hello world');
+    expect(hash).toBe(expectedOutput);
+  });
 });