test: check ecdsa psychic signature

PR-URL: #42863
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
Reviewed-By: Akhil Marsonya <[email protected]>

test/parallel/test-crypto-psychic-signatures.js

@@ -0,0 +1,100 @@
+'use strict';
+const common = require('../common');
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
+const assert = require('assert');
+
+const crypto = require('crypto');
+
+// Tests for CVE-2022-21449
+// https://neilmadden.blog/2022/04/19/psychic-signatures-in-java/
+// Dubbed "Psychic Signatures", these signatures bypassed the ECDSA signature
+// verification implementation in Java in 15, 16, 17, and 18. OpenSSL is not
+// (and was not) vulnerable so these are a precaution.
+
+const vectors = {
+  'ieee-p1363': [
+    Buffer.from('0000000000000000000000000000000000000000000000000000000000000000' +
+      '0000000000000000000000000000000000000000000000000000000000000000', 'hex'),
+    Buffer.from('ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551' +
+      'ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551', 'hex'),
+  ],
+  'der': [
+    Buffer.from('3046022100' +
+      '0000000000000000000000000000000000000000000000000000000000000000' +
+      '022100' +
+      '0000000000000000000000000000000000000000000000000000000000000000', 'hex'),
+    Buffer.from('3046022100' +
+      'ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551' +
+      '022100' +
+      'ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551', 'hex'),
+  ],
+};
+
+const keyPair = crypto.generateKeyPairSync('ec', {
+  namedCurve: 'P-256',
+  publicKeyEncoding: {
+    format: 'der',
+    type: 'spki'
+  },
+});
+
+const data = Buffer.from('Hello!');
+
+for (const [encoding, signatures] of Object.entries(vectors)) {
+  for (const signature of signatures) {
+    const key = {
+      key: keyPair.publicKey,
+      format: 'der',
+      type: 'spki',
+      dsaEncoding: encoding,
+    };
+
+    // one-shot sync
+    assert.strictEqual(
+      crypto.verify(
+        'sha256',
+        data,
+        key,
+        signature,
+      ),
+      false,
+    );
+
+    // one-shot async
+    crypto.verify(
+      'sha256',
+      data,
+      key,
+      signature,
+      common.mustSucceed((verified) => assert.strictEqual(verified, false)),
+    );
+
+    // stream
+    assert.strictEqual(
+      crypto.createVerify('sha256')
+        .update(data)
+        .verify(key, signature),
+      false,
+    );
+
+    // webcrypto
+    crypto.webcrypto.subtle.importKey(
+      'spki',
+      keyPair.publicKey,
+      { name: 'ECDSA', namedCurve: 'P-256' },
+      false,
+      ['verify'],
+    ).then((publicKey) => {
+      return crypto.webcrypto.subtle.verify(
+        { name: 'ECDSA', hash: 'SHA-256' },
+        publicKey,
+        signature,
+        data,
+      );
+    }).then(common.mustCall((verified) => {
+      assert.strictEqual(verified, false);
+    }));
+  }
+}