@Override public List<OCSPRef> getOCSPRefs() { final List<OCSPRef> list = new ArrayList<OCSPRef>(); final Attribute attribute = getUnsignedAttribute(PKCSObjectIdentifiers.id_aa_ets_revocationRefs); if (attribute == null) { return list; } final ASN1Set attrValues = attribute.getAttrValues(); if (attrValues.size() <= 0) { return list; } final ASN1Encodable attrValue = attrValues.getObjectAt(0); final ASN1Sequence completeRevocationRefs = (ASN1Sequence) attrValue; for (int i = 0; i < completeRevocationRefs.size(); i++) { final CrlOcspRef otherCertId = CrlOcspRef.getInstance(completeRevocationRefs.getObjectAt(i)); final OcspListID ocspListID = otherCertId.getOcspids(); if (ocspListID != null) { for (final OcspResponsesID ocspResponsesID : ocspListID.getOcspResponses()) { final OtherHash otherHash = ocspResponsesID.getOcspRepHash(); final OCSPRef ocspRef = new OCSPRef(otherHash, true); list.add(ocspRef); } } } return list; }