From 252839a8e01bd5e113dd13f0c1153fc955f3903f Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Mon, 21 Nov 2022 23:09:57 +0100
Subject: [PATCH] crypto: ensure "x" is present when importing private CFRG
 webcrypto keys
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PR-URL: https://github.com/nodejs/node/pull/45569
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Backport-PR-URL: https://github.com/nodejs/node/pull/47336
---
 lib/internal/crypto/cfrg.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/internal/crypto/cfrg.js b/lib/internal/crypto/cfrg.js
index 98e236052f555e..7b825fc93e0669 100644
--- a/lib/internal/crypto/cfrg.js
+++ b/lib/internal/crypto/cfrg.js
@@ -276,6 +276,10 @@ async function cfrgImportKey(
         }
       }
 
+      if (!isPublic && typeof keyData.x !== 'string') {
+        throw lazyDOMException('Invalid JWK keyData', 'DataError');
+      }
+
       verifyAcceptableCfrgKeyUse(
         name,
         isPublic ? 'public' : 'private',