From 0bbb50e072fb8fe5402be3961486fbdef0f78282 Mon Sep 17 00:00:00 2001
From: AdrianT <cptpackrat@dfghj.net>
Date: Thu, 13 Apr 2023 18:16:56 +1000
Subject: [PATCH] Fix `EncryptPKCS8PrivateKey` output incompatibility with
 OpenSSL

---
 pemutil/pkcs8.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pemutil/pkcs8.go b/pemutil/pkcs8.go
index 62af8f93..13d6e8a2 100644
--- a/pemutil/pkcs8.go
+++ b/pemutil/pkcs8.go
@@ -324,7 +324,8 @@ func EncryptPKCS8PrivateKey(rand io.Reader, data, password []byte, alg x509.PEMC
 						Salt:           salt,
 						IterationCount: PBKDF2Iterations,
 						PrfParam: prfParam{
-							Algo: oidHMACWithSHA256,
+							Algo:      oidHMACWithSHA256,
+							NullParam: asn1.NullRawValue,
 						},
 					},
 				},