-.\" $OpenBSD: EVP_PKEY_CTX_set_hkdf_md.3,v 1.3 2023/09/13 13:46:52 schwarze Exp $
+.\" $OpenBSD: EVP_PKEY_CTX_set_hkdf_md.3,v 1.4 2024/07/10 07:57:37 tb Exp $
.\" full merge up to: OpenSSL 1cb7eff4 Sep 10 13:56:40 2019 +0100
.\"
.\" This file was written by Alessandro Ghedini <alessandro@ghedini.me>,
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
.\" OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: September 13 2023 $
+.Dd $Mdocdate: July 10 2024 $
.Dt EVP_PKEY_CTX_SET_HKDF_MD 3
.Os
.Sh NAME
.Nm EVP_PKEY_CTX_hkdf_mode
.Nd HMAC-based Extract-and-Expand key derivation algorithm
.Sh SYNOPSIS
+.In openssl/evp.h
.In openssl/kdf.h
.Ft int
.Fo EVP_PKEY_CTX_hkdf_mode