/** Get the encoding of the key. */
public synchronized byte[] getEncoded() {
if (this.encodedKey == null) {
try {
DerOutputStream algid = new DerOutputStream();
// store oid in algid
algid.putOID(new ObjectIdentifier(DH_data));
// encode parameters
DerOutputStream params = new DerOutputStream();
params.putInteger(this.p);
params.putInteger(this.g);
if (this.l != 0) params.putInteger(this.l);
// wrap parameters into SEQUENCE
DerValue paramSequence = new DerValue(DerValue.tag_Sequence, params.toByteArray());
// store parameter SEQUENCE in algid
algid.putDerValue(paramSequence);
// wrap algid into SEQUENCE, and store it in key encoding
DerOutputStream tmpDerKey = new DerOutputStream();
tmpDerKey.write(DerValue.tag_Sequence, algid);
// store key data
tmpDerKey.putBitString(this.key);
// wrap algid and key into SEQUENCE
DerOutputStream derKey = new DerOutputStream();
derKey.write(DerValue.tag_Sequence, tmpDerKey);
this.encodedKey = derKey.toByteArray();
} catch (IOException e) {
return null;
}
}
return (byte[]) this.encodedKey.clone();
}
/**
* Returns the encoded SPNEGO token Note: inserts the required CHOICE tags
*
* @return the encoded token
* @exception GSSException
*/
byte[] getEncoded() throws IOException, GSSException {
// get the token encoded value
DerOutputStream token = new DerOutputStream();
token.write(encode());
// now insert the CHOICE
switch (tokenType) {
case NEG_TOKEN_INIT_ID:
// Insert CHOICE of Negotiation Token
DerOutputStream initToken = new DerOutputStream();
initToken.write(
DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) NEG_TOKEN_INIT_ID), token);
return initToken.toByteArray();
case NEG_TOKEN_TARG_ID:
// Insert CHOICE of Negotiation Token
DerOutputStream targToken = new DerOutputStream();
targToken.write(
DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) NEG_TOKEN_TARG_ID), token);
return targToken.toByteArray();
default:
return token.toByteArray();
}
}
/**
* 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();
}