OpenSSL session reuse does not work with TLS_client_method()
Jaya Muthiah
jeevhi at gmail.com
Wed Sep 15 11:56:51 UTC 2021
I am trying to reuse SSL_SESSION as below, it works fine when I use
TLSv1_2_client_method() to create context. However, it does not work when I
use TLS_client_method().
if (!SSL_set_session(ssl, ssl_session)) {
//code never reaches here so SSL_set_session is successful
}
if (SSL_connect(ssl) != 1) {
return -1;
}
int reused = SSL_session_reused(ssl); <-- always returns zero for
TLS_client_method().
ssl_session = SSL_get1_session(ssl); // for future connections
Above code works fine with TLSv1_2_client_method() and SSL_session_reused()
returns 1, handshake time is also reduced considerably. However, if I use
TLS_client_method(), reuse does not work and SSL_session_reused() returns
zero.
Any idea what is wrong? OpenSSL version is 1.1.1.g
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