-.\" $OpenBSD: EVP_PKEY_CTX_set_tls1_prf_md.3,v 1.1 2024/07/10 08:49:48 tb Exp $
+.\" $OpenBSD: EVP_PKEY_CTX_set_tls1_prf_md.3,v 1.2 2024/07/10 10:22:03 tb Exp $
.\" full merge up to: OpenSSL 1cb7eff4 Sep 10 13:56:40 2019 +0100
.\"
.\" This file was written by Dr Stephen Henson <steve@openssl.org>,
.Xr EVP_PKEY_CTX_ctrl_str 3 ,
.Xr EVP_PKEY_CTX_new 3 ,
.Xr EVP_PKEY_derive 3
+.Sh HISTORY
+These functions first appeared in OpenSSL 1.1.0 and have been available since
+.Ox 7.6 .