From fb02e93ff66ecd7bc7257d8f76e6cdf88b54bfa9 Mon Sep 17 00:00:00 2001
From: Paul Miller <paul@paulmillr.com>
Date: Wed, 1 Nov 2023 16:09:37 +0000
Subject: [PATCH] ECDH tests: comment

---
 test/nist.test.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/nist.test.js b/test/nist.test.js
index 9d584d4..8d9ec0e 100644
--- a/test/nist.test.js
+++ b/test/nist.test.js
@@ -95,8 +95,9 @@ should('fields', () => {
   for (const n in vectors) deepStrictEqual(NIST[n].CURVE.Fp.ORDER, vectors[n]);
 });
 
-// 1. We don't support ASN.1 encoding of points, so we ignore these vectors
-// 2. Overall our parser is very strict, so we ignore padded (invalid) private keys, etc.
+// We don't support ASN.1 encoding of points. For tests we've implemented quick
+// and dirty parser: take X last bytes of ASN.1 encoded sequence.
+// If that doesn't work, we ignore such vector.
 function verifyECDHVector(test, curve) {
   if (test.flags.includes('InvalidAsn')) return; // Ignore invalid ASN
   if (test.result === 'valid' || test.result === 'acceptable') {