Package 

Class AESEncryptionHelper

  • All Implemented Interfaces:

    
    public final class AESEncryptionHelper
    
                        

    MIT License

    Copyright (c) 2021 Raphael Ebner

    Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

    • Field Summary

      Fields 
      Modifier and Type Field Description
    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description
    • Constructor Detail

      • AESEncryptionHelper

        AESEncryptionHelper()
    • Method Detail

      • readFile

         final ByteArray readFile(File file)

        This method will convert a file to ByteArray

        Parameters:
        file - : the Path where the file is located
      • saveFile

         final Unit saveFile(ByteArray fileData, File file)

        This method will convert a ByteArray to a file, and saves it to the path

        Parameters:
        fileData - : the ByteArray
        file - : the path where the ByteArray should be saved
      • getSecretKey

         final SecretKey getSecretKey(SharedPreferences sharedPref, ByteArray iv)

        This method will convert a random password, saved in sharedPreferences to a SecretKey

        Parameters:
        sharedPref - : the sharedPref, to fetch / save the key
        iv - : the encryption nonce
      • getSecretKeyWithCustomPw

         final SecretKey getSecretKeyWithCustomPw(String encryptPassword, ByteArray iv)

        This method will convert a custom password to a SecretKey

        Parameters:
        encryptPassword - : the custom user password as String
        iv - : the encryption nonce