From c1f97056f42d20158d469d023652f3b338411007 Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Fri, 13 Aug 2021 14:57:56 +0530
Subject: fix(ext/crypto): take a copy of keyData bytes (#11666)

---
 ext/crypto/00_crypto.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'ext')

diff --git a/ext/crypto/00_crypto.js b/ext/crypto/00_crypto.js
index 449946295..4319f09ba 100644
--- a/ext/crypto/00_crypto.js
+++ b/ext/crypto/00_crypto.js
@@ -463,6 +463,18 @@
         context: "Argument 5",
       });
 
+      // 2.
+      if (ArrayBufferIsView(keyData)) {
+        keyData = new Uint8Array(
+          keyData.buffer,
+          keyData.byteOffset,
+          keyData.byteLength,
+        );
+      } else {
+        keyData = new Uint8Array(keyData);
+      }
+      keyData = TypedArrayPrototypeSlice(keyData);
+
       const normalizedAlgorithm = normalizeAlgorithm(algorithm, "importKey");
 
       if (
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