+krb5_error_code kssl_build_principal_2(krb5_context context,
+ krb5_principal *princ, int rlen, const char *realm,
+ int slen, const char *svc, int hlen, const char *host);
+krb5_error_code kssl_validate_times(krb5_timestamp atime,
+ krb5_ticket_times *ttimes);
+krb5_error_code kssl_check_authent(KSSL_CTX *kssl_ctx, krb5_data *authentp,
+ krb5_timestamp *atimep, KSSL_ERR *kssl_err);
+unsigned char *kssl_skip_confound(krb5_enctype enctype, unsigned char *authn);