private CscaMasterList(ASN1Sequence seq) {
if (seq == null || seq.size() == 0) {
throw new IllegalArgumentException("null or empty sequence passed.");
}
if (seq.size() != 2) {
throw new IllegalArgumentException("Incorrect sequence size: " + seq.size());
}
version = DERInteger.getInstance(seq.getObjectAt(0));
ASN1Set certSet = ASN1Set.getInstance(seq.getObjectAt(1));
certList = new X509CertificateStructure[certSet.size()];
for (int i = 0; i < certList.length; i++) {
certList[i] = X509CertificateStructure.getInstance(certSet.getObjectAt(i));
}
}
/**
* Parse the ServerCertificate message.
*
* @param is The stream where to parse from.
* @return A Certificate object with the certs, the server has sended.
* @throws IOException If something goes wrong during parsing.
*/
public static Certificate parse(InputStream is) throws IOException {
X509CertificateStructure[] certs;
int left = TlsUtils.readUint24(is);
Vector tmp = new Vector();
while (left > 0) {
int size = TlsUtils.readUint24(is);
left -= 3 + size;
byte[] buf = new byte[size];
TlsUtils.readFully(buf, is);
ByteArrayInputStream bis = new ByteArrayInputStream(buf);
ASN1InputStream ais = new ASN1InputStream(bis);
DERObject o = ais.readObject();
tmp.addElement(X509CertificateStructure.getInstance(o));
if (bis.available() > 0) {
throw new IllegalArgumentException(
"Sorry, there is garbage data left after the certificate");
}
}
certs = new X509CertificateStructure[tmp.size()];
for (int i = 0; i < tmp.size(); i++) {
certs[i] = (X509CertificateStructure) tmp.elementAt(i);
}
return new Certificate(certs);
}