1=pod 2 3=head1 NAME 4 5SSL_get0_group_name - get name of the group that was used for the key 6agreement of the current TLS session establishment 7 8=head1 SYNOPSIS 9 10 #include <openssl/ssl.h> 11 12 const char *SSL_get0_group_name(SSL *s); 13 14=head1 DESCRIPTION 15 16SSL_get0_group_name() returns the name of the group that was used for 17the key agreement of the current TLS session establishment. 18 19 20=head1 RETURN VALUES 21 22If non-NULL, SSL_get0_group_name() returns the name of the group that was used for 23the key agreement of the current TLS session establishment. 24If SSL_get0_group_name() returns NULL, an error occurred; possibly no TLS session 25has been established. 26 27Note that the return value is valid only during the lifetime of the 28SSL object I<ssl>. 29 30=head1 SEE ALSO 31 32L<ssl(7)> 33 34=head1 COPYRIGHT 35 36Copyright 2023 The OpenSSL Project Authors. All Rights Reserved. 37 38Licensed under the Apache License 2.0 (the "License"). You may not use 39this file except in compliance with the License. You can obtain a copy 40in the file LICENSE in the source distribution or at 41L<https://www.openssl.org/source/license.html>. 42 43=cut 44