jwa - npm Package Compare versions

Comparing version 2.0.0 to 2.0.1

index.js

@@ -1,2 +0,1 @@
-var bufferEqual = require('buffer-equal-constant-time');
 var Buffer = require('safe-buffer').Buffer;
@@ -138,6 +137,21 @@ var crypto = require('crypto');
 
+var bufferEqual;
+var timingSafeEqual = 'timingSafeEqual' in crypto ? function timingSafeEqual(a, b) {
+  if (a.byteLength !== b.byteLength) {
+    return false;
+  }
+
+  return crypto.timingSafeEqual(a, b)
+} : function timingSafeEqual(a, b) {
+  if (!bufferEqual) {
+    bufferEqual = require('buffer-equal-constant-time');
+  }
+
+  return bufferEqual(a, b)
+}
+
 function createHmacVerifier(bits) {
   return function verify(thing, signature, secret) {
     var computedSig = createHmacSigner(bits)(thing, secret);
-    return bufferEqual(Buffer.from(signature), Buffer.from(computedSig));
+    return timingSafeEqual(Buffer.from(signature), Buffer.from(computedSig));
   }
@@ -144,0 +158,0 @@ }

package.json

 {
   "name": "jwa",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "JWA implementation (supports all JWS algorithms)",
@@ -10,3 +10,3 @@ "main": "index.js",
   "dependencies": {
-    "buffer-equal-constant-time": "1.0.1",
+    "buffer-equal-constant-time": "^1.0.1",
     "ecdsa-sig-formatter": "1.0.11",
@@ -13,0 +13,0 @@ "safe-buffer": "^5.0.1"

New alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

14052

2.68%

Number of package files

5

25%

Lines of code

225

5.14%

Worsened metrics

Number of medium supply chain risk alerts

1

Infinity%

Dependency changes

• Updated

  buffer-equal-constant-time@^1.0.1