NAME
SSL_session_reused – query whether a reused session was negotiated during handshake
SYNOPSIS
SSL Library (libssl, -lssl) libcrypto
#include <openssl/ssl.h>
int
SSL_session_reused(SSL *ssl);
DESCRIPTION
Query whether a reused session was negotiated during the handshake.
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 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.
SEE ALSO
ssl(3), SSL_ctrl(3), SSL_CTX_set_session_cache_mode(3), SSL_set_session(3)
HISTORY
SSL_session_reused() first appeared in SSLeay 0.8.0 and has been available since OpenBSD 2.4.