Api function
#include <gnutls/compat.h>
gnutls_sign_func gnutls_sign_callback_get(gnutls_session_t session, void ** userdata);
is a gnutls session
if non-NULL, will be set to abstract callback pointer.
Retrieve the callback function, and its userdata pointer.
The function pointer set by gnutls_sign_callback_set(), or if not set, NULL.
Use the PKCS 11 interfaces instead.
Report bugs to <[email protected]>.
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