From b893ceef2feb6b64504446f984ee5a57d2b69d1f Mon Sep 17 00:00:00 2001
From: "Dr. David von Oheimb" <dev@ddvo.net>
Date: Mon, 11 Mar 2024 12:48:26 +0100
Subject: [PATCH] OSSL_CMP_validate_msg(): fix check such that
 OSSL_CMP_OPT_PERMIT_TA_IN_EXTRACERTS_FOR_IR becomes usable again

Fixes #23706

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23814)
---
 crypto/cmp/cmp_vfy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/cmp/cmp_vfy.c b/crypto/cmp/cmp_vfy.c
index ec99ab7fe5..47bf38b2af 100644
--- a/crypto/cmp/cmp_vfy.c
+++ b/crypto/cmp/cmp_vfy.c
@@ -632,7 +632,7 @@ int OSSL_CMP_validate_msg(OSSL_CMP_CTX *ctx, const OSSL_CMP_MSG *msg)
     default:
         scrt = ctx->srvCert;
         if (scrt == NULL) {
-            if (ctx->trusted == NULL) {
+            if (ctx->trusted == NULL && ctx->secretValue != NULL) {
                 ossl_cmp_info(ctx, "no trust store nor pinned server cert available for verifying signature-based CMP message protection");
                 ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_TRUST_ANCHOR);
                 return 0;