1=pod 2 3=head1 NAME 4 5SSL_CTX_set_tmp_ecdh, SSL_set_tmp_ecdh, SSL_CTX_set_ecdh_auto, SSL_set_ecdh_auto 6- handle ECDH keys for ephemeral key exchange 7 8=head1 SYNOPSIS 9 10 #include <openssl/ssl.h> 11 12 long SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ecdh); 13 long SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ecdh); 14 15 long SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state); 16 long SSL_set_ecdh_auto(SSL *ssl, int state); 17 18=head1 DESCRIPTION 19 20SSL_CTX_set_tmp_ecdh() sets ECDH parameters to be used to be B<ecdh>. 21The key is inherited by all B<ssl> objects created from B<ctx>. 22This macro is deprecated in favor of L<SSL_CTX_set1_groups(3)>. 23 24SSL_set_tmp_ecdh() sets the parameters only for B<ssl>. 25This macro is deprecated in favor of L<SSL_set1_groups(3)>. 26 27SSL_CTX_set_ecdh_auto() and SSL_set_ecdh_auto() are deprecated and 28have no effect. 29 30=head1 RETURN VALUES 31 32SSL_CTX_set_tmp_ecdh() and SSL_set_tmp_ecdh() return 1 on success and 0 33on failure. 34 35=head1 SEE ALSO 36 37L<ssl(7)>, L<SSL_CTX_set1_curves(3)>, L<SSL_CTX_set_cipher_list(3)>, 38L<SSL_CTX_set_options(3)>, L<SSL_CTX_set_tmp_dh_callback(3)>, 39L<openssl-ciphers(1)>, L<openssl-ecparam(1)> 40 41=head1 COPYRIGHT 42 43Copyright 2018 The OpenSSL Project Authors. All Rights Reserved. 44 45Licensed under the Apache License 2.0 (the "License"). You may not use 46this file except in compliance with the License. You can obtain a copy 47in the file LICENSE in the source distribution or at 48L<https://www.openssl.org/source/license.html>. 49 50=cut 51