package com.jc.jcfw.security;

import javax.crypto.Cipher;

public interface CryptographyManager {
  /**
   * This method first gets or generates an instance of SecretKey and then initializes the Cipher
   * with the key. The secret key uses [ENCRYPT_MODE][Cipher.ENCRYPT_MODE] is used.
   */
  Cipher getInitializedCipherForEncryption(String keyName);

  /**
   * This method first gets or generates an instance of SecretKey and then initializes the Cipher
   * with the key. The secret key uses [DECRYPT_MODE][Cipher.DECRYPT_MODE] is used.
   */
  Cipher getInitializedCipherForDecryption(String keyName, byte[] initializationVector);

  /**
   * The Cipher created with [getInitializedCipherForEncryption] is used here
   */
  EncryptedData encryptData(String plaintext, Cipher cipher);

  /**
   * The Cipher created with [getInitializedCipherForDecryption] is used here
   */
  String decryptData(byte[] ciphertext, Cipher cipher);
}