Package javax.crypto

Examples of javax.crypto.KeyAgreement.generateSecret()

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    try {
      KeyAgreement keyAgreement = KeyAgreement.getInstance(KEY_AGREEMENT_INSTANCE);
      keyAgreement.init(privateKey);
      keyAgreement.doPhase(peerPublicKey, true);
     
      secretKey = keyAgreement.generateSecret("TlsPremasterSecret");
    } catch (Exception e) {
      LOGGER.severe("Could not generate the premaster secret.");
      e.printStackTrace();
    }
    return secretKey;
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    throws NoSuchAlgorithmException,
           InvalidKeyException {
    KeyAgreement ka = KeyAgreement.getInstance("DH");
    ka.init(keyPair.getPrivate());
    ka.doPhase(publicKey, true);
    return ka.generateSecret("DESede");
  }
 
  public EncryptionOptions getEncryptionOptions(
    Encryption enc)
      throws InvalidKeyException,
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        //
        aKeyAgree.doPhase(bKeyPair.getPublic(), true);
        bKeyAgree.doPhase(aKeyPair.getPublic(), true);

        BigInteger  k1 = new BigInteger(aKeyAgree.generateSecret());
        BigInteger  k2 = new BigInteger(bKeyAgree.generateSecret());

        if (!k1.equals(k2))
        {
            fail(size + " bit 2-way test failed");
        }
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        cKeyAgree.doPhase(ba, true);

        BigInteger aShared = new BigInteger(aKeyAgree.generateSecret());
        BigInteger bShared = new BigInteger(bKeyAgree.generateSecret());
        BigInteger cShared = new BigInteger(cKeyAgree.generateSecret());

        if (!aShared.equals(bShared))
        {
            fail(size + " bit 3-way test failed (a and b differ)");
        }
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        //
        aKeyAgree.doPhase(bKeyPair.getPublic(), true);
        bKeyAgree.doPhase(aKeyPair.getPublic(), true);

        BigInteger  k1 = new BigInteger(aKeyAgree.generateSecret());
        BigInteger  k2 = new BigInteger(bKeyAgree.generateSecret());

        if (!k1.equals(k2))
        {
            fail(algorithm + " 2-way test failed");
        }
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    {
        try
        {
            KeyAgreement aKeyAgree = KeyAgreement.getInstance("DH", "BC");

            aKeyAgree.generateSecret("DES");
        }
        catch (IllegalStateException e)
        {
            // okay
        }
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        //
        aKeyAgree.doPhase(bKeyPair.getPublic(), true);
        bKeyAgree.doPhase(aKeyPair.getPublic(), true);

        BigInteger  k1 = new BigInteger(aKeyAgree.generateSecret());
        BigInteger  k2 = new BigInteger(bKeyAgree.generateSecret());

        if (!k1.equals(k2))
        {
            fail("2-way test failed");
        }
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            agreement.doPhase(fact.generatePublic(pubSpec), true);

            String wrapAlg = DERObjectIdentifier.getInstance(
                                   ASN1Sequence.getInstance(_keyEncAlg.getParameters()).getObjectAt(0)).getId();

            Key wKey = agreement.generateSecret(wrapAlg);

            Cipher keyCipher = Cipher.getInstance(wrapAlg, prov);

            keyCipher.init(Cipher.UNWRAP_MODE, wKey);
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            OriginatorIdentifierOrKey originator = new OriginatorIdentifierOrKey(
                                                       new OriginatorPublicKey(
                                                            new AlgorithmIdentifier(oPubKeyInfo.getAlgorithmId().getObjectId(), new DERNull()),
                                                            oPubKeyInfo.getPublicKeyData().getBytes()));

            recipientInfs.add(new RecipientInf(agreement.generateSecret(cekWrapAlgorithm), agreementAlgorithm, cekWrapAlgorithm, originator, recipientCert));
        }
        catch (IOException e)
        {
            throw new InvalidKeyException("cannot extract originator public key: " + e);
        }
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    public Key generateSecret() throws NoSuchAlgorithmException, InvalidKeyException {
        KeyAgreement ka = KeyAgreement.getInstance("DH");
        ka.init(keyPair.getPrivate());
        ka.doPhase(publicKey, true);
        return ka.generateSecret("DESede");
    }

    public EncryptionOptions getEncryptionOptions(Encryption enc) throws InvalidKeyException, NoSuchAlgorithmException {
        EncryptionOptions options = enc.getDefaultEncryptionOptions();
        options.setDataEncryptionKey(generateSecret());
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