Document the RETURN VALUES of BIO_method_type(3) and BIO_method_name(3)

for the various BIO types.

1 files changed, 12 insertions, 2 deletions

diff --git a/src/lib/libcrypto/man/BIO_f_cipher.3 b/src/lib/libcrypto/man/BIO_f_cipher.3
index 794166687a..56bd27c0d9 100644
--- a/src/lib/libcrypto/man/BIO_f_cipher.3
+++ b/src/lib/libcrypto/man/BIO_f_cipher.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: BIO_f_cipher.3,v 1.13 2022/12/18 19:35:36 schwarze Exp $
+.\" $OpenBSD: BIO_f_cipher.3,v 1.14 2023/04/11 16:58:43 schwarze Exp $
 .\" full merge up to: OpenSSL e9b77246 Jan 20 19:58:49 2017 +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: December 18 2022 $
+.Dd $Mdocdate: April 11 2023 $
 .Dt BIO_F_CIPHER 3
 .Os
 .Sh NAME
@@ -161,6 +161,16 @@ by preceding the cipher BIO with a buffering BIO.
 .Sh RETURN VALUES
 .Fn BIO_f_cipher
 returns the cipher BIO method.
+.Pp
+When called on a cipher BIO object,
+.Xr BIO_method_type 3
+returns the constant
+.Dv BIO_TYPE_CIPHER
+and
+.Xr BIO_method_name 3
+returns a pointer to the static string
+.Qq cipher .
+.Pp
 .Fn BIO_set_cipher
 returns 1 on success and 0 on error.
 .Pp