public List<TimestampToken> getSignatureTimestamps() {
if (signatureTimeStamps == null) {
try {
signatureTimeStamps =
UnsignedAttributesHelper.getSignatureTimestamps(
firstSignerInfo.getUnsignedAttributes());
} catch (Exception e) {
ExceptionHandlerTyped.<SPISignatureException>handle(SPISignatureException.class, e);
}
}
return signatureTimeStamps;
}
protected static AttributeTable appendTimestampAttribute(
byte[] timeStampTokenBytes, AttributeTable attributeTable) {
Hashtable unsignedAttributesHT;
if (attributeTable == null) {
unsignedAttributesHT = new Hashtable();
} else {
unsignedAttributesHT = attributeTable.toHashtable();
}
try {
UnsignedAttributesHelper.addTimestampAttribute(unsignedAttributesHT, timeStampTokenBytes);
} catch (Exception e) {
ExceptionHandlerTyped.<SPISignatureException>handle(SPISignatureException.class, e);
}
attributeTable = new AttributeTable(unsignedAttributesHT);
return attributeTable;
}