class PdfPKCS7 {
private void findOcsp(ASN1Sequence seq) throws IOException {
basicResp = null;
boolean ret = false;
while (true) {
if (seq.getObjectAt(0) instanceof DERObjectIdentifier
&& ((DERObjectIdentifier)seq.getObjectAt(0)).getId().equals(OCSPObjectIdentifiers.id_pkix_ocsp_basic.getId())) {
break;
}
ret = true;
for (int k = 0; k < seq.size(); ++k) {
if (seq.getObjectAt(k) instanceof ASN1Sequence) {
seq = (ASN1Sequence)seq.getObjectAt(0);
ret = false;
break;
}
if (seq.getObjectAt(k) instanceof ASN1TaggedObject) {
ASN1TaggedObject tag = (ASN1TaggedObject)seq.getObjectAt(k);
if (tag.getObject() instanceof ASN1Sequence) {
seq = (ASN1Sequence)tag.getObject();
ret = false;
break;
}
else
return;
}
}
if (ret)
return;
}
DEROctetString os = (DEROctetString)seq.getObjectAt(1);
ASN1InputStream inp = new ASN1InputStream(os.getOctets());
BasicOCSPResponse resp = BasicOCSPResponse.getInstance(inp.readObject());
basicResp = new BasicOCSPResp(resp);
}
}
class PdfPKCS7 {
private static DERObject getExtensionValue(X509Certificate cert, String oid) throws IOException {
byte[] bytes = cert.getExtensionValue(oid);
if (bytes == null) {
return null;
}
ASN1InputStream aIn = new ASN1InputStream(new ByteArrayInputStream(bytes));
ASN1OctetString octs = (ASN1OctetString) aIn.readObject();
aIn = new ASN1InputStream(new ByteArrayInputStream(octs.getOctets()));
return aIn.readObject();
}
}
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