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.\" ========================================================================
.\"
.IX Title "SSL_CTX_SET_TMP_ECDH 3ossl"
.TH SSL_CTX_SET_TMP_ECDH 3ossl "2024-09-03" "3.1.7+quic" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
SSL_CTX_set_tmp_ecdh, SSL_set_tmp_ecdh, SSL_CTX_set_ecdh_auto, SSL_set_ecdh_auto
\&\- handle ECDH keys for ephemeral key exchange
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ssl.h>
\&
\& long SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ecdh);
\& long SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ecdh);
\&
\& long SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state);
\& long SSL_set_ecdh_auto(SSL *ssl, int state);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBSSL_CTX_set_tmp_ecdh()\fR sets \s-1ECDH\s0 parameters to be used to be \fBecdh\fR.
The key is inherited by all \fBssl\fR objects created from \fBctx\fR.
This macro is deprecated in favor of \fBSSL_CTX_set1_groups\fR\|(3).
.PP
\&\fBSSL_set_tmp_ecdh()\fR sets the parameters only for \fBssl\fR.
This macro is deprecated in favor of \fBSSL_set1_groups\fR\|(3).
.PP
\&\fBSSL_CTX_set_ecdh_auto()\fR and \fBSSL_set_ecdh_auto()\fR are deprecated and
have no effect.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBSSL_CTX_set_tmp_ecdh()\fR and \fBSSL_set_tmp_ecdh()\fR return 1 on success and 0
on failure.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBssl\fR\|(7), \fBSSL_CTX_set1_curves\fR\|(3), \fBSSL_CTX_set_cipher_list\fR\|(3),
\&\fBSSL_CTX_set_options\fR\|(3), \fBSSL_CTX_set_tmp_dh_callback\fR\|(3),
\&\fBopenssl\-ciphers\fR\|(1), \fBopenssl\-ecparam\fR\|(1)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the \*(L"License\*(R").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.