From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 May 2017 15:35:00 +0200
Subject: node_modules

---
 node_modules/pbkdf2/precondition.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 node_modules/pbkdf2/precondition.js

(limited to 'node_modules/pbkdf2/precondition.js')

diff --git a/node_modules/pbkdf2/precondition.js b/node_modules/pbkdf2/precondition.js
new file mode 100644
index 000000000..1519b0092
--- /dev/null
+++ b/node_modules/pbkdf2/precondition.js
@@ -0,0 +1,18 @@
+var MAX_ALLOC = Math.pow(2, 30) - 1 // default in iojs
+module.exports = function (iterations, keylen) {
+  if (typeof iterations !== 'number') {
+    throw new TypeError('Iterations not a number')
+  }
+
+  if (iterations < 0) {
+    throw new TypeError('Bad iterations')
+  }
+
+  if (typeof keylen !== 'number') {
+    throw new TypeError('Key length not a number')
+  }
+
+  if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */
+    throw new TypeError('Bad key length')
+  }
+}
-- 
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