/**
* constructor from asn1sequence.
*
* <p>the sequence is of type certhash:
*
* <p>
*
* <pre>
* certhash ::= sequence {
* hashalgorithm algorithmidentifier,
* certificatehash octet string
* }
* </pre>
*
* @param seq the asn.1 sequence.
*/
private certhash(asn1sequence seq) {
if (seq.size() != 2) {
throw new illegalargumentexception("bad sequence size: " + seq.size());
}
hashalgorithm = algorithmidentifier.getinstance(seq.getobjectat(0));
certificatehash = deroctetstring.getinstance(seq.getobjectat(1)).getoctets();
}
private attribute(asn1sequence seq) {
if (seq.size() != 2) {
throw new illegalargumentexception("bad sequence size: " + seq.size());
}
attrtype = asn1objectidentifier.getinstance(seq.getobjectat(0));
attrvalues = asn1set.getinstance(seq.getobjectat(1));
}
private signature(asn1sequence seq) {
signaturealgorithm = algorithmidentifier.getinstance(seq.getobjectat(0));
signature = (derbitstring) seq.getobjectat(1);
if (seq.size() == 3) {
certs = asn1sequence.getinstance((asn1taggedobject) seq.getobjectat(2), true);
}
}
private signingcertificatev2(asn1sequence seq) {
if (seq.size() < 1 || seq.size() > 2) {
throw new illegalargumentexception("bad sequence size: " + seq.size());
}
this.certs = asn1sequence.getinstance(seq.getobjectat(0));
if (seq.size() > 1) {
this.policies = asn1sequence.getinstance(seq.getobjectat(1));
}
}
public esscertidv2[] getcerts() {
esscertidv2[] certids = new esscertidv2[certs.size()];
for (int i = 0; i != certs.size(); i++) {
certids[i] = esscertidv2.getinstance(certs.getobjectat(i));
}
return certids;
}
public policyinformation[] getpolicies() {
if (policies == null) {
return null;
}
policyinformation[] policyinformations = new policyinformation[policies.size()];
for (int i = 0; i != policies.size(); i++) {
policyinformations[i] = policyinformation.getinstance(policies.getobjectat(i));
}
return policyinformations;
}
public singlepubinfo[] getpubinfos() {
if (pubinfos == null) {
return null;
}
singlepubinfo[] results = new singlepubinfo[pubinfos.size()];
for (int i = 0; i != results.length; i++) {
results[i] = singlepubinfo.getinstance(pubinfos.getobjectat(i));
}
return results;
}
public attributetypeandvalue[] getreginfo() {
if (reginfo == null) {
return null;
}
attributetypeandvalue[] results = new attributetypeandvalue[reginfo.size()];
for (int i = 0; i != results.length; i++) {
results[i] = attributetypeandvalue.getinstance(reginfo.getobjectat(i));
}
return results;
}
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;
}
/**
* return the utf8string at index i.
*
* @param i index of the string of interest
* @return the string at index i.
*/
public derutf8string getstringat(int i) {
return (derutf8string) strings.getobjectat(i);
}
private pkipublicationinfo(asn1sequence seq) {
action = asn1integer.getinstance(seq.getobjectat(0));
pubinfos = asn1sequence.getinstance(seq.getobjectat(1));
}