Package javax.crypto

Examples of javax.crypto.KeyAgreement.generateSecret()

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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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        // generate shared secret key
        KeyAgreement ka = KeyAgreement.getInstance("DH");
        ka.init(privateKey);
        ka.doPhase(vlPublic, true);
        byte[] secretKey = ka.generateSecret();

        if (debug) {
            Debug.log("Secret Key : " + StringUtil.toHexString(secretKey) + " / " + secretKey.length,  module);
        }
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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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    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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            KeyAgreement keyAgreement = KeyAgreement.getInstance("DH");
            keyAgreement.init(privateKey_a);
            keyAgreement.doPhase(publicKey_B, true);

            return keyAgreement.generateSecret();
        } catch (GeneralSecurityException e) {
            throw new CreatingDHAgreementException("Failed to generate secret.", e);
        }
    }
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        // generate shared secret key
        KeyAgreement ka = KeyAgreement.getInstance("DH");
        ka.init(privateKey);
        ka.doPhase(vlPublic, true);
        byte[] secretKey = ka.generateSecret();

        if (debug) {
            Debug.log("Secret Key : " + StringUtil.toHexString(secretKey) + " / " + secretKey.length,  module);
        }
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            e.printStackTrace();
        } catch (InvalidKeyException e) {
            throw new RuntimeException("Fail: ", e);
        }

        return hash.digest(keyAgree.generateSecret());
    }

    /**
     * Given the IV, encrypt the provided data
     *
 
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            e.printStackTrace();
        } catch (InvalidKeyException e) {
            throw new RuntimeException("Fail: ", e);
        }

        return hash.digest(keyAgree.generateSecret());
    }

    /**
     * Given the IV, encrypt the provided data
     * @param IV initialization vector
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                                                        clientKeyExchange.exchange_keys),
                                                serverKeyExchange.par1,
                                                serverKeyExchange.par2));
                                agreement.init(privKey);
                                agreement.doPhase(clientPublic, true);
                                preMasterSecret = agreement.generateSecret();
                            } catch (Exception e) {
                                fatalAlert(AlertProtocol.INTERNAL_ERROR,
                                        "INTERNAL ERROR", e);
                                return;
                            }
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