private BasicConstraints(ASN1Sequence seq) {
if (seq.size() == 0) {
this.cA = null;
this.pathLenConstraint = null;
} else {
if (seq.getObjectAt(0) instanceof ASN1Boolean) {
this.cA = ASN1Boolean.getInstance(seq.getObjectAt(0));
} else {
this.cA = null;
this.pathLenConstraint = ASN1Integer.getInstance(seq.getObjectAt(0));
}
if (seq.size() > 1) {
if (this.cA != null) {
this.pathLenConstraint = ASN1Integer.getInstance(seq.getObjectAt(1));
} else {
throw new IllegalArgumentException("wrong sequence in constructor");
}
}
}
}
private Certificate readDERCertificate(InputStream in)
throws IOException, CertificateParsingException {
ASN1InputStream dIn = new ASN1InputStream(in);
ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
if (seq.size() > 1 && seq.getObjectAt(0) instanceof DERObjectIdentifier) {
if (seq.getObjectAt(0).equals(PKCSObjectIdentifiers.signedData)) {
sData =
new SignedData(ASN1Sequence.getInstance((ASN1TaggedObject) seq.getObjectAt(1), true))
.getCertificates();
return getCertificate();
}
}
return new X509CertificateObject(
org.ripple.bouncycastle.asn1.x509.Certificate.getInstance(seq));
}
public List getExtendedKeyUsage() throws CertificateParsingException {
byte[] bytes = this.getExtensionBytes("2.5.29.37");
if (bytes != null) {
try {
ASN1InputStream dIn = new ASN1InputStream(bytes);
ASN1Sequence seq = (ASN1Sequence) dIn.readObject();
List list = new ArrayList();
for (int i = 0; i != seq.size(); i++) {
list.add(((ASN1ObjectIdentifier) seq.getObjectAt(i)).getId());
}
return Collections.unmodifiableList(list);
} catch (Exception e) {
throw new CertificateParsingException("error processing extended key usage extension");
}
}
return null;
}