|gnutls_certificate_credentials_t cred||is a gnutls_certificate_credentials_t type.|
|gnutls_certificate_verify_function * func||is the callback function|
This function sets a callback to be called when peers certificate has been received in order to verify it on receipt rather than doing after the handshake is completed.
The callbacks function prototype is: int (*callback)(gnutls_session_t);
If the callback function is provided then gnutls will call it, in the handshake, just after the certificate message has been received. To verify or obtain the certificate the gnutls_certificate_verify_peers2(), gnutls_certificate_type_get(), gnutls_certificate_get_peers() functions can be used.
The callback function should return 0 for the handshake to continue or non-zero to terminate.
Report bugs to <firstname.lastname@example.org>.
Home page: http://www.gnutls.org
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