From 754a18853e7d817eff396c65146e325ae5e25247 Mon Sep 17 00:00:00 2001
From: Sun Yimin <emmansun@users.noreply.github.com>
Date: Tue, 23 Aug 2022 13:07:33 +0800
Subject: [PATCH] Updated is my code constant time? (markdown)

---
 is-my-code-constant-time?.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/is-my-code-constant-time?.md b/is-my-code-constant-time?.md
index bad98e7..8ebd0c4 100644
--- a/is-my-code-constant-time?.md
+++ b/is-my-code-constant-time?.md
@@ -101,4 +101,6 @@ type Curve interface {
 	// methods in the future without breaking backwards compatibility.
 	privateKeyToPublicKey(*PrivateKey) *PublicKey
 }
-```
\ No newline at end of file
+```
+
+其实，sm2 key exchange和[SEC 1, Version 2.0](https://www.secg.org/sec1-v2.pdf), Section 3.4 Elliptic Curve MQV Primitive 描述的方法一样，只是最后求取shared secret方法不同。