1*b077aed3SPierre Pronchery=pod 2*b077aed3SPierre Pronchery 3*b077aed3SPierre Pronchery=head1 NAME 4*b077aed3SPierre Pronchery 5*b077aed3SPierre ProncherySSL_CTX_set_tmp_ecdh, SSL_set_tmp_ecdh, SSL_CTX_set_ecdh_auto, SSL_set_ecdh_auto 6*b077aed3SPierre Pronchery- handle ECDH keys for ephemeral key exchange 7*b077aed3SPierre Pronchery 8*b077aed3SPierre Pronchery=head1 SYNOPSIS 9*b077aed3SPierre Pronchery 10*b077aed3SPierre Pronchery #include <openssl/ssl.h> 11*b077aed3SPierre Pronchery 12*b077aed3SPierre Pronchery long SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ecdh); 13*b077aed3SPierre Pronchery long SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ecdh); 14*b077aed3SPierre Pronchery 15*b077aed3SPierre Pronchery long SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state); 16*b077aed3SPierre Pronchery long SSL_set_ecdh_auto(SSL *ssl, int state); 17*b077aed3SPierre Pronchery 18*b077aed3SPierre Pronchery=head1 DESCRIPTION 19*b077aed3SPierre Pronchery 20*b077aed3SPierre ProncherySSL_CTX_set_tmp_ecdh() sets ECDH parameters to be used to be B<ecdh>. 21*b077aed3SPierre ProncheryThe key is inherited by all B<ssl> objects created from B<ctx>. 22*b077aed3SPierre ProncheryThis macro is deprecated in favor of L<SSL_CTX_set1_groups(3)>. 23*b077aed3SPierre Pronchery 24*b077aed3SPierre ProncherySSL_set_tmp_ecdh() sets the parameters only for B<ssl>. 25*b077aed3SPierre ProncheryThis macro is deprecated in favor of L<SSL_set1_groups(3)>. 26*b077aed3SPierre Pronchery 27*b077aed3SPierre ProncherySSL_CTX_set_ecdh_auto() and SSL_set_ecdh_auto() are deprecated and 28*b077aed3SPierre Proncheryhave no effect. 29*b077aed3SPierre Pronchery 30*b077aed3SPierre Pronchery=head1 RETURN VALUES 31*b077aed3SPierre Pronchery 32*b077aed3SPierre ProncherySSL_CTX_set_tmp_ecdh() and SSL_set_tmp_ecdh() return 1 on success and 0 33*b077aed3SPierre Proncheryon failure. 34*b077aed3SPierre Pronchery 35*b077aed3SPierre Pronchery=head1 SEE ALSO 36*b077aed3SPierre Pronchery 37*b077aed3SPierre ProncheryL<ssl(7)>, L<SSL_CTX_set1_curves(3)>, L<SSL_CTX_set_cipher_list(3)>, 38*b077aed3SPierre ProncheryL<SSL_CTX_set_options(3)>, L<SSL_CTX_set_tmp_dh_callback(3)>, 39*b077aed3SPierre ProncheryL<openssl-ciphers(1)>, L<openssl-ecparam(1)> 40*b077aed3SPierre Pronchery 41*b077aed3SPierre Pronchery=head1 COPYRIGHT 42*b077aed3SPierre Pronchery 43*b077aed3SPierre ProncheryCopyright 2018 The OpenSSL Project Authors. All Rights Reserved. 44*b077aed3SPierre Pronchery 45*b077aed3SPierre ProncheryLicensed under the Apache License 2.0 (the "License"). You may not use 46*b077aed3SPierre Proncherythis file except in compliance with the License. You can obtain a copy 47*b077aed3SPierre Proncheryin the file LICENSE in the source distribution or at 48*b077aed3SPierre ProncheryL<https://www.openssl.org/source/license.html>. 49*b077aed3SPierre Pronchery 50*b077aed3SPierre Pronchery=cut 51