/** 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(); }
/* Translate to encoded bytes */ private void emit(DerOutputStream out) throws IOException, CertificateEncodingException { DerOutputStream tagged = new DerOutputStream(); if (forward != null) { DerOutputStream tmp = new DerOutputStream(); tmp.putDerValue(new DerValue(forward.getEncoded())); tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_FORWARD), tmp); } if (reverse != null) { DerOutputStream tmp = new DerOutputStream(); tmp.putDerValue(new DerValue(reverse.getEncoded())); tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, TAG_REVERSE), tmp); } out.write(DerValue.tag_Sequence, tagged); }
/** * Encodes a Realm object. * * @return the byte array of encoded KrbCredInfo 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 out = new DerOutputStream(); out.putDerValue(new KerberosString(this.realm).toDerValue()); return out.toByteArray(); }