protected Aes()
{
LegalBlockSizesValue = s_legalBlockSizes.CloneKeySizesArray();
LegalKeySizesValue = s_legalKeySizes.CloneKeySizesArray();
BlockSizeValue = 128;
FeedbackSizeValue = 8;
KeySizeValue = 256;
ModeValue = CipherMode.CBC;
}