public PBES2Parameters(ASN1Sequence obj) {
Enumeration e = obj.getObjects();
ASN1Sequence funcSeq = (ASN1Sequence) e.nextElement();
if (funcSeq.getObjectAt(0).equals(id_PBKDF2)) {
func = new KeyDerivationFunc(id_PBKDF2, PBKDF2Params.getInstance(funcSeq.getObjectAt(1)));
} else {
func = new KeyDerivationFunc(funcSeq);
}
scheme = new EncryptionScheme((ASN1Sequence) e.nextElement());
}
/**
* Constructor from ASN1Sequence.
*
* <p>the extensions are a list of constructed sequences, either with (OID, OctetString) or (OID,
* Boolean, OctetString)
*/
public X509Extensions(ASN1Sequence seq) {
Enumeration e = seq.getObjects();
while (e.hasMoreElements()) {
ASN1Sequence s = ASN1Sequence.getInstance(e.nextElement());
if (s.size() == 3) {
extensions.put(
s.getObjectAt(0),
new X509Extension(
DERBoolean.getInstance(s.getObjectAt(1)),
ASN1OctetString.getInstance(s.getObjectAt(2))));
} else if (s.size() == 2) {
extensions.put(
s.getObjectAt(0),
new X509Extension(false, ASN1OctetString.getInstance(s.getObjectAt(1))));
} else {
throw new IllegalArgumentException("Bad sequence size: " + s.size());
}
ordering.addElement(s.getObjectAt(0));
}
}