> -----Original Message----- > From: Richard Könning > > Am 03.11.2012 15:26, schrieb Frediano Ziglio: > > Hi, > > I'm searching for a way to pass a TLS session between two programs > > under Unix. I can use unix sockets to send the file descriptor but I > > don't know how to request to OpenSSL crypto information (like > > algorithm used and key) in order to pass to the other process. > > > > Is there a way to do it ? > > Use http://www.openssl.org/docs/ssl/SSL_get_session.html as a starting > point for reading.
Once you have the SSL_SESSION, convert it to ASN1 (via i2d_SSL_SESSION) and dump it to a file. Read that file in with your second program and convert it back from ASN1 to SSL_SESSION(via d2i_SSL_SESSION) and add it to the SSL_SESSION cache of the SSL_CTX (via SSL_CTX_add_session). HTH, Patrick Eisenacher
