SSL_session_reused.3ossl - Man Page

query whether a reused session was negotiated during handshake


 #include <openssl/ssl.h>

 int SSL_session_reused(const SSL *ssl);


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 being set that can be queried by the application.

Return Values

The following return values can occur:


A new session was negotiated.


A session was reused.

See Also

ssl(7), SSL_set_session(3), SSL_CTX_set_session_cache_mode(3)

Referenced By

SSL_CTX_set_ct_validation_callback.3ossl(3), SSL_CTX_set_psk_client_callback.3ossl(3), SSL_CTX_set_session_cache_mode.3ossl(3), SSL_CTX_set_tlsext_ticket_key_cb.3ossl(3), SSL_CTX_use_psk_identity_hint.3ossl(3), SSL_set_session.3ossl(3).

2021-09-09 3.0.0 OpenSSL