From 78508c496c70c77068cd9647804f7a51da7ecf63 Mon Sep 17 00:00:00 2001
From: Dave Rodgman <dave.rodgman@arm.com>
Date: Wed, 10 Aug 2022 13:41:11 +0100
Subject: [PATCH] Changelog for ECDSA verify fix

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
---
 ChangeLog.d/ecdsa-verify-fixes.txt | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 ChangeLog.d/ecdsa-verify-fixes.txt

diff --git a/ChangeLog.d/ecdsa-verify-fixes.txt b/ChangeLog.d/ecdsa-verify-fixes.txt
new file mode 100644
index 000000000..6dbd4702e
--- /dev/null
+++ b/ChangeLog.d/ecdsa-verify-fixes.txt
@@ -0,0 +1,5 @@
+Bugfix
+   * Fix ECDSA verification, where it was failing to validate the public key
+     for signatures where R == 1 and S == 1. This bug meant that it was
+     possible to verify such signatures with an invalid public key, in some
+     cases.