SSL_GET_SERVER_TMP_KEY(3) Library Functions Manual SSL_GET_SERVER_TMP_KEY(3)
NAME
SSL_get_server_tmp_key — temporary server key during a handshake
SYNOPSIS
#include <openssl/ssl.h>
long
SSL_get_server_tmp_key(SSL *ssl, EVP_PKEY **key);
DESCRIPTION
SSL_get_server_tmp_key() retrieves the temporary key provided by the server and used during key exchange. For example, if ECDHE is in use, this represents the server’s public ECDHE key.
In case of success, a copy of the key is stored in *key. It is the caller’s responsibility to free this key after use using EVP_PKEY_free(3).
This function may only be called by the client.
This function is implemented as a macro.
RETURN VALUES
SSL_get_server_tmp_key() returns 1 on success or 0 on failure.
SEE ALSO
EVP_PKEY_free(3), ssl(3), SSL_ctrl(3)
HISTORY
SSL_get_server_tmp_key() first appeared in OpenSSL 1.0.2 and has been available since OpenBSD 6.1. GNU June 12, 2019 SSL_GET_SERVER_TMP_KEY(3)