SSL_get_version.3ssl man page

SSL_get_version — get the protocol version of a connection.

Synopsis

#include <openssl/ssl.h>
const char *SSL_get_version(const SSL *ssl);

Description

SSL_get_version() returns the name of the protocol used for the connection ssl.

Return Values

The following strings can be returned:

SSLv2
The connection uses the SSLv2 protocol.
SSLv3
The connection uses the SSLv3 protocol.
TLSv1
The connection uses the TLSv1.0 protocol.
TLSv1.1
The connection uses the TLSv1.1 protocol.
TLSv1.2
The connection uses the TLSv1.2 protocol.
unknown
This indicates that no version has been set (no connection established).

See Also

ssl(3)

Info

2016-09-26 1.0.2j OpenSSL