SSL_session_reused(3) query whether a reused session was negotiated during handshake

SYNOPSIS


#include <openssl/ssl.h>
int SSL_session_reused(SSL *ssl);

DESCRIPTION

Query, whether a reused session was negotiated during the handshake.

NOTES

During the negotiation, a client can propose to reuse a session. The server then looks up the session in its cache. If both client and server agree on the session, it will be reused and a flag is being set that can be queried by the application.

RETURN VALUES

The following return values can occur:
0
A new session was negotiated.
1
A session was reused.