EVP_SealInit.3: fix RETURN VALUES section

While normal calls return 0 for error and npubk for success, there is a
case where it returns the usual 1/0 thing. Make that explicit.

Prompted by a report by Niels Dossche

ok jsing kenjiro

1 files changed, 12 insertions, 2 deletions

diff --git a/src/lib/libcrypto/man/EVP_SealInit.3 b/src/lib/libcrypto/man/EVP_SealInit.3
index f211702ba6..cae0a55ec2 100644
--- a/src/lib/libcrypto/man/EVP_SealInit.3
+++ b/src/lib/libcrypto/man/EVP_SealInit.3
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: EVP_SealInit.3,v 1.10 2025/06/08 22:40:29 schwarze Exp $
+.\"     $OpenBSD: EVP_SealInit.3,v 1.11 2026/01/30 14:33:33 tb Exp $
 .\"     OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100
 .\"
 .\" This file was written by Dr. Stephen Henson <steve@openssl.org>.
@@ -49,7 +49,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 8 2025 $
+.Dd $Mdocdate: January 30 2026 $
 .Dt EVP_SEALINIT 3
 .Os
 .Sh NAME
@@ -168,9 +168,19 @@ set to NULL.
 is implemented as a macro.
 .Sh RETURN VALUES
 .Fn EVP_SealInit
+usually
 returns 0 on error or
 .Fa npubk
 if successful.
+If
+.Fn EVP_SealInit
+is called with
+.Fa npubk
+set to 0 or with
+.Fa pubk
+set to
+.Dv NULL ,
+it returns 1 for success and 0 for failure.
 .Pp
 .Fn EVP_SealUpdate
 and