#ifndef GNUTLS_SIG_H
# define GNUTLS_SIG_H
# include <auth_cert.h>

gnutls_certificate_status gnutls_x509_verify_signature(gnutls_cert* cert, gnutls_cert* issuer);
int _gnutls_tls_sign_hdata( gnutls_session session, gnutls_cert* cert, gnutls_privkey *pkey, gnutls_datum *signature);
int _gnutls_tls_sign_params( gnutls_session session, gnutls_cert* cert, gnutls_privkey *pkey, gnutls_datum* params, gnutls_datum *signature);
int _gnutls_verify_sig_hdata( gnutls_session session, gnutls_cert *cert, gnutls_datum* signature);
int _gnutls_verify_sig_params( gnutls_session session, gnutls_cert *cert, const gnutls_datum* params, gnutls_datum* signature);
int _gnutls_sign( gnutls_pk_algorithm algo, GNUTLS_MPI* params, int params_size, 
	const gnutls_datum* data, gnutls_datum *signature);

#endif