-.\" $OpenBSD: X509_VERIFY_PARAM_set_flags.3,v 1.26 2022/07/13 21:17:03 schwarze Exp $
+.\" $OpenBSD: X509_VERIFY_PARAM_set_flags.3,v 1.27 2022/12/01 05:33:55 tb Exp $
.\" full merge up to: OpenSSL d33def66 Feb 9 14:17:13 2016 -0500
.\" selective merge up to: OpenSSL 24a535ea Sep 22 13:14:20 2020 +0100
.\"
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
.\" OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: July 13 2022 $
+.Dd $Mdocdate: December 1 2022 $
.Dt X509_VERIFY_PARAM_SET_FLAGS 3
.Os
.Sh NAME
unsupported message digests on the root CA are not treated as fatal
errors.
.Pp
-The
+The deprecated
.Dv X509_V_FLAG_CB_ISSUER_CHECK
-flag enables debugging of certificate issuer checks.
-It is
-.Sy not
-needed unless you are logging certificate verification.
-If this flag is set then additional status codes will be sent to the
-verification callback and it
-.Sy must
-be prepared to handle such cases without assuming they are hard errors.
+flag used to enable debugging of certificate issuer checks.
+It is provided for binary backwards compatibility and has no effect.
.Pp
When
.Dv X509_V_FLAG_TRUSTED_FIRST