/** * Encodes an EncTicketPart object. * * @return byte array of encoded EncTicketPart object. * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. * @exception IOException if an I/O error occurs while reading encoded data. */ public byte[] asn1Encode() throws Asn1Exception, IOException { DerOutputStream bytes = new DerOutputStream(); DerOutputStream temp = new DerOutputStream(); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), flags.asn1Encode()); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), key.asn1Encode()); bytes.write( DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x02), cname.getRealm().asn1Encode()); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x03), cname.asn1Encode()); bytes.write( DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x04), transited.asn1Encode()); bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x05), authtime.asn1Encode()); if (starttime != null) { bytes.write( DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x06), starttime.asn1Encode()); } bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x07), endtime.asn1Encode()); if (renewTill != null) { bytes.write( DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x08), renewTill.asn1Encode()); } if (caddr != null) { bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x09), caddr.asn1Encode()); } if (authorizationData != null) { bytes.write( DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x0A), authorizationData.asn1Encode()); } temp.write(DerValue.tag_Sequence, bytes); bytes = new DerOutputStream(); bytes.write(DerValue.createTag(DerValue.TAG_APPLICATION, true, (byte) 0x03), temp); return bytes.toByteArray(); }
private void init(DerValue encoding) throws Asn1Exception, IOException, RealmException { DerValue der, subDer; renewTill = null; caddr = null; authorizationData = null; if (((encoding.getTag() & (byte) 0x1F) != (byte) 0x03) || (encoding.isApplication() != true) || (encoding.isConstructed() != true)) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } der = encoding.getData().getDerValue(); if (der.getTag() != DerValue.tag_Sequence) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } flags = TicketFlags.parse(der.getData(), (byte) 0x00, false); key = EncryptionKey.parse(der.getData(), (byte) 0x01, false); Realm crealm = Realm.parse(der.getData(), (byte) 0x02, false); cname = PrincipalName.parse(der.getData(), (byte) 0x03, false, crealm); transited = TransitedEncoding.parse(der.getData(), (byte) 0x04, false); authtime = KerberosTime.parse(der.getData(), (byte) 0x05, false); starttime = KerberosTime.parse(der.getData(), (byte) 0x06, true); endtime = KerberosTime.parse(der.getData(), (byte) 0x07, false); if (der.getData().available() > 0) { renewTill = KerberosTime.parse(der.getData(), (byte) 0x08, true); } if (der.getData().available() > 0) { caddr = HostAddresses.parse(der.getData(), (byte) 0x09, true); } if (der.getData().available() > 0) { authorizationData = AuthorizationData.parse(der.getData(), (byte) 0x0A, true); } if (der.getData().available() > 0) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } }