public static IEncryptor GetEncryptor(DisplayMonkeyEntities _db) // 1.4.0
{
EncryptionMethods encryptionMethod = EncryptionMethods.RsaContainer;
IEncryptor encryptor = null;
Setting s = Setting.GetSetting(_db, Keys.EncryptionMethod);
if (s != null)
{
encryptionMethod = (EncryptionMethods)s.IntValuePositive;
}
switch (encryptionMethod)
{
case EncryptionMethods.RsaContainer:
encryptor = new RsaEncryptor();
break;
case EncryptionMethods.Aes:
encryptor = new AesEncryptor();
s = Setting.GetSetting(_db, Keys.EncryptionIV);
if (s != null && s.RawValue != null)
{
(encryptor as AesEncryptor).IV = s.RawValue;
}
else
{
Setting.SaveSetting(_db, Keys.EncryptionIV, (encryptor as AesEncryptor).IV);
}
s = Setting.GetSetting(_db, Keys.EncryptionKey);
if (s != null && s.RawValue != null)
{
(encryptor as AesEncryptor).Key = s.RawValue;
}
else
{
Setting.SaveSetting(_db, Keys.EncryptionKey, (encryptor as AesEncryptor).Key);
}
break;
}
return(encryptor);
}
