SSL_get0_group_name - get name of the group that was used for the key agreement of the current TLS session establishment
#include <openssl/ssl.h>
const char *SSL_get0_group_name(SSL *s);SSL_get0_group_name() returns the name of the group that was used for the key agreement of the current TLS session establishment.
If non-NULL, SSL_get0_group_name() returns the name of the group that was used for the key agreement of the current TLS session establishment. If SSL_get0_group_name() returns NULL, an error occurred; possibly no TLS session has been established.
Note that the return value is valid only during the lifetime of the SSL object ssl.
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Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at https://www.openssl.org/source/license.html.