Package javax.crypto

Examples of javax.crypto.SecretKeyFactory.generateSecret()

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      throws Exception
   {
      PBEParameterSpec cipherSpec = new PBEParameterSpec(salt, count);
      PBEKeySpec keySpec = new PBEKeySpec("78aac249a60a13d5e882927928043ebb".toCharArray());
      SecretKeyFactory factory = SecretKeyFactory.getInstance("PBEwithMD5andDES");
      SecretKey cipherKey = factory.generateSecret(keySpec);
      Cipher cipher = Cipher.getInstance("PBEwithMD5andDES");
      cipher.init(Cipher.ENCRYPT_MODE, cipherKey, cipherSpec);
      byte[] encode = cipher.doFinal(secret);
      passwordFile.write(salt);
      passwordFile.writeInt(count);
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  public String encryptPassword(final String password, final String key)
      throws GeneralSecurityException, UnsupportedEncodingException
  {
    final SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    final KeySpec spec = new PBEKeySpec(key.toCharArray(), SALT, 1024, 128);
    final SecretKey tmp = factory.generateSecret(spec);
    final SecretKey secret = new SecretKeySpec(tmp.getEncoded(), "AES");
    return encryptPassword(password, secret, "AES/CBC/PKCS5PADDING");
  }

  public String encryptPassword(final String password, final SecretKey key, final String algorithm)
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  public String decryptPassword(final String password,
                                final String key) throws UnsupportedEncodingException, GeneralSecurityException
  {
    final SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    final KeySpec spec = new PBEKeySpec(key.toCharArray(), SALT, 1024, 128);
    final SecretKey tmp = factory.generateSecret(spec);
    final SecretKey secret = new SecretKeySpec(tmp.getEncoded(), "AES");
    return decryptPassword(password, secret, "AES/CBC/PKCS5PADDING");
  }

  public String decryptPassword(final String password, final SecretKey key, final String algorithm)
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        } catch (InvalidKeyException e) {
            Debug.logError(e, module);
        }
        if (skf1 != null && desedeSpec2 != null) {
            try {
                mwk = skf1.generateSecret(desedeSpec2);
            } catch (InvalidKeySpecException e) {
                Debug.logError(e, module);
            }
        }
        if (mwk != null) {
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            }

            // create the SecretKey Object
            SecretKey key = null;
            try {
                key = skf.generateSecret(desedeSpec1);
            } catch (InvalidKeySpecException e) {
                Debug.logError(e, module);
            }
            return key;
        } else {
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   {
      if (hashAlgorithm != null)
      {
         PBEKeySpec passwordKeySpec = new PBEKeySpec(password, salt, iterations, 256);
         SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance(hashAlgorithm);
         SecretKey passwordKey = secretKeyFactory.generateSecret(passwordKeySpec);
         passwordKeySpec.clearPassword();
         return BinTools.bin2hex(passwordKey.getEncoded());
      }
      else
      {
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      final String algorithm = "PBEWithSHA256And192BitAES-CBC-BC";
        final Cipher c = Cipher.getInstance(algorithm, "BC");
        final PBEKeySpec          keySpec = new PBEKeySpec(p, getSalt(), iCount);
        final SecretKeyFactory    fact = SecretKeyFactory.getInstance(algorithm, "BC");
       
        c.init(Cipher.DECRYPT_MODE, fact.generateSecret(keySpec));
       
        final byte[] dec = c.doFinal(Hex.decode(in.getBytes("UTF-8")));
        return new String(dec);
    }
   
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            key[i] = flipByte(key[i]);
        }

        KeySpec desKeySpec = new DESKeySpec(key);
        SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("DES");
        SecretKey secretKey = secretKeyFactory.generateSecret(desKeySpec);
        Cipher cipher = Cipher.getInstance("DES/ECB/NoPadding");
        cipher.init(Cipher.ENCRYPT_MODE, secretKey);

        byte[] response = cipher.doFinal(challenge);
        return response;
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    private static SecretKey getSecretKey(String hmacSha1) throws Exception {

        DESedeKeySpec keyspec = new DESedeKeySpec(hmacSha1.getBytes("UTF-8"));
        SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("DESede");
        SecretKey key = keyfactory.generateSecret(keyspec);

        return key;
    }

    private static String decrypt(SecretKey key, String base64) throws Exception {
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            // Create the PBEKeySpec with the given password
            PBEKeySpec keySpec = new PBEKeySpec(passwordChar);

            // Get a SecretFactory for PBEWithSHAAndTwofish
            SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(this.algorithm);
            skey = keyFactory.generateSecret(keySpec);

            // Now create a parameter spec for our salt and iterations
            PBEParameterSpec paramSpec = new PBEParameterSpec(saltArray, ITERATION);
            cipher.init(Cipher.DECRYPT_MODE, skey, paramSpec);
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