From 68c0acc116be4eb839b00e77668f3085f7e4ff97 Mon Sep 17 00:00:00 2001
From: tb <>
Date: Thu, 13 Mar 2025 10:39:51 +0000
Subject: pkey_ec_derive: fix call to ECDH_compute_key()

The last argument is a pointer to the KDF, so use NULL, not 0.
---
 src/lib/libcrypto/ec/ec_pmeth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/lib/libcrypto/ec/ec_pmeth.c b/src/lib/libcrypto/ec/ec_pmeth.c
index e1a068d62d..85ac4822d1 100644
--- a/src/lib/libcrypto/ec/ec_pmeth.c
+++ b/src/lib/libcrypto/ec/ec_pmeth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ec_pmeth.c,v 1.25 2025/02/18 06:31:10 tb Exp $ */
+/* $OpenBSD: ec_pmeth.c,v 1.26 2025/03/13 10:39:51 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -234,7 +234,7 @@ pkey_ec_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)
 
 	outlen = *keylen;
 
-	ret = ECDH_compute_key(key, outlen, pubkey, eckey, 0);
+	ret = ECDH_compute_key(key, outlen, pubkey, eckey, NULL);
 	if (ret <= 0)
 		return 0;
 
-- 
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