/// <summary>
/// Compute rest of encryption of the partially encrypted data
/// </summary>
/// <param name="encryptionService">Encryption service to use for encryption</param>
/// <param name="keyPassword">Hash of main password</param>
public void ComputeRestOfEncryption(EncryptionService encryptionService, byte[] keyPassword)
{
Encrypted = encryptionService.Encrypt(keyPassword, EncryptedPart);
var check = encryptionService.Decrypt(keyPassword, Encrypted);
if (check != EncryptedPart)
{
throw new Exception("Can not be decrypted, step 2.");
}
}
/// <summary>
/// Compute partial encryption of the original data based on individual key derived from hash of main password and <see cref="Salt"/>
/// </summary>
/// <param name="encryptionService">Encryption service to use for encryption</param>
/// <param name="keyPassword">Hash of main password</param>
public void ComputePartEncryption(EncryptionService encryptionService, byte[] keyPassword)
{
if (Original != null)
{
if (Salt == null)
{
Salt = encryptionService.GenerateRandomCryptographicKey(32);
}
var newKeyPassword = encryptionService.GetIndividualKeyInBytes(keyPassword, Salt);
EncryptedPart = encryptionService.Encrypt(newKeyPassword, Original.ToString());
var check = encryptionService.Decrypt(newKeyPassword, EncryptedPart);
if (check != Original.ToString())
{
throw new Exception("Can not be decrypted.");
}
Original = null;
}
}