/** 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 ASN.1 encoding of this object.
*
* @return the ASN.1 encoding.
* @exception IOException if error occurs when constructing its ASN.1 encoding.
*/
public byte[] getEncoded() throws NoSuchAlgorithmException, IOException {
if (this.encoded != null) return this.encoded.clone();
DerOutputStream out = new DerOutputStream();
DerOutputStream tmp = new DerOutputStream();
DerOutputStream tmp2 = new DerOutputStream();
// encode encryption algorithm
AlgorithmId algid = AlgorithmId.get(digestAlgorithmName);
algid.encode(tmp2);
// encode digest data
tmp2.putOctetString(digest);
tmp.write(DerValue.tag_Sequence, tmp2);
// encode salt
tmp.putOctetString(macSalt);
// encode iterations
tmp.putInteger(iterations);
// wrap everything into a SEQUENCE
out.write(DerValue.tag_Sequence, tmp);
this.encoded = out.toByteArray();
return this.encoded.clone();
}
// Encode this extension value
private void encodeThis() throws IOException {
if (crlNumber == null) {
this.extensionValue = null;
return;
}
DerOutputStream os = new DerOutputStream();
os.putInteger(this.crlNumber);
this.extensionValue = os.toByteArray();
}
/** Construct a key from its components. Used by the RSAKeyFactory and the RSAKeyPairGenerator. */
RSAPrivateCrtKeyImpl(
BigInteger n,
BigInteger e,
BigInteger d,
BigInteger p,
BigInteger q,
BigInteger pe,
BigInteger qe,
BigInteger coeff)
throws InvalidKeyException {
this.n = n;
this.e = e;
this.d = d;
this.p = p;
this.q = q;
this.pe = pe;
this.qe = qe;
this.coeff = coeff;
RSAKeyFactory.checkRSAProviderKeyLengths(n.bitLength(), e);
// generate the encoding
algid = rsaId;
try {
DerOutputStream out = new DerOutputStream();
out.putInteger(0); // version must be 0
out.putInteger(n);
out.putInteger(e);
out.putInteger(d);
out.putInteger(p);
out.putInteger(q);
out.putInteger(pe);
out.putInteger(qe);
out.putInteger(coeff);
DerValue val = new DerValue(DerValue.tag_Sequence, out.toByteArray());
key = val.toByteArray();
} catch (IOException exc) {
// should never occur
throw new InvalidKeyException(exc);
}
}
/**
* Encodes an MethodData object.
*
* @return the byte array of encoded MethodData 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();
temp.putInteger(BigInteger.valueOf(methodType));
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp);
if (methodData != null) {
temp = new DerOutputStream();
temp.putOctetString(methodData);
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp);
}
temp = new DerOutputStream();
temp.write(DerValue.tag_Sequence, bytes);
return temp.toByteArray();
}
/* */ public byte[] asn1Encode() /* */ throws Asn1Exception, IOException /* */ {
/* 104 */ DerOutputStream localDerOutputStream1 = new DerOutputStream();
/* 105 */ DerOutputStream localDerOutputStream2 = new DerOutputStream();
/* 106 */ localDerOutputStream1.write(
DerValue.createTag((byte) -128, true, (byte) 0), this.pATimeStamp.asn1Encode());
/* 107 */ if (this.pAUSec != null) {
/* 108 */ localDerOutputStream2 = new DerOutputStream();
/* 109 */ localDerOutputStream2.putInteger(BigInteger.valueOf(this.pAUSec.intValue()));
/* 110 */ localDerOutputStream1.write(
DerValue.createTag((byte) -128, true, (byte) 1), localDerOutputStream2);
/* */ }
/* 112 */ localDerOutputStream2 = new DerOutputStream();
/* 113 */ localDerOutputStream2.write((byte) 48, localDerOutputStream1);
/* 114 */ return localDerOutputStream2.toByteArray();
/* */ }
/**
* Encodes a <code>PrincipalName</code> object. Note that only the type and names are encoded. To
* encode the realm, call getRealm().asn1Encode().
*
* @return the byte array of the encoded PrncipalName 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();
BigInteger bint = BigInteger.valueOf(this.nameType);
temp.putInteger(bint);
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x00), temp);
temp = new DerOutputStream();
DerValue der[] = new DerValue[nameStrings.length];
for (int i = 0; i < nameStrings.length; i++) {
der[i] = new KerberosString(nameStrings[i]).toDerValue();
}
temp.putSequence(der);
bytes.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte) 0x01), temp);
temp = new DerOutputStream();
temp.write(DerValue.tag_Sequence, bytes);
return temp.toByteArray();
}
/* */ public void putInteger(Integer paramInteger) /* */ throws IOException /* */ {
/* 175 */ putInteger(paramInteger.intValue());
/* */ }
