/**
* return a bits field coded on one byte. For signification of the several bit see
* Iso7816CertificateHolderAuthorization
*
* @return role and access rigth
* @throws IOException
* @see CertificateHolderAuthorization
*/
public int getRole() throws IOException {
CertificateHolderAuthorization cha = certificateBody.getCertificateHolderAuthorization();
return cha.getAccessRights();
}
