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

gnutls_certificate_status_t gnutls_x509_verify_signature(gnutls_cert * cert,
     gnutls_cert * issuer);
int _gnutls_tls_sign_hdata(gnutls_session_t session, gnutls_cert * cert,
     gnutls_privkey * pkey, gnutls_datum_t * signature);
int _gnutls_tls_sign_params(gnutls_session_t session, gnutls_cert * cert,
     gnutls_privkey * pkey, gnutls_datum_t * params, gnutls_datum_t * signature);
int _gnutls_verify_sig_hdata(gnutls_session_t session, gnutls_cert * cert,
     gnutls_datum_t * signature);
int _gnutls_verify_sig_params(gnutls_session_t session, gnutls_cert * cert,
     const gnutls_datum_t * params, gnutls_datum_t * signature);
int _gnutls_sign(gnutls_pk_algorithm_t algo, mpi_t * params, int params_size,
     const gnutls_datum_t * data, gnutls_datum_t * signature);

#endif