// recupera il signing time di un firmatario
private static Date getSigningTime(SignerInformation signer) throws FirmapiuException {
AttributeTable signedAttr = signer.getSignedAttributes();
Attribute signingTimeAttr = signedAttr.get(CMSAttributes.signingTime);
if (signingTimeAttr != null) {
Enumeration<?> en = signingTimeAttr.getAttrValues().getObjects();
Date signingTime = null;
Object obj = en.nextElement();
try {
if (obj instanceof ASN1UTCTime) {
ASN1UTCTime asn1Time = (ASN1UTCTime) obj;
signingTime = asn1Time.getDate();
} else if (obj instanceof DERUTCTime) {
DERUTCTime derTime = (DERUTCTime) obj;
signingTime = derTime.getDate();
}
return signingTime;
} catch (ParseException e) {
// TODO eccezioni ammodo
throw new FirmapiuException();
}
} else {
// non ha trovato il signing time come attributo
// TODO eccezioni ammodo
throw new FirmapiuException();
}
} // fine metodo
public static Date toDate(final ASN1UTCTime attrValue) throws DSSException {
try {
return attrValue.getDate();
} catch (ParseException e) {
throw new DSSException(e);
}
}