apewer-dotnet/Apewer/Externals/System/Security/Cryptography/Aes.cs

// System.Security.Cryptography.Aes

#if NET20

using System;
using System.Runtime.CompilerServices;
using System.Security.Cryptography;

namespace System.Security.Cryptography
{

    internal abstract class Aes : SymmetricAlgorithm
    {

        private static KeySizes[] s_legalBlockSizes = new KeySizes[1] { new KeySizes(128, 128, 0) };

        private static KeySizes[] s_legalKeySizes = new KeySizes[1] { new KeySizes(128, 256, 64) };

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

        public new static Aes Create()
        {
            return Create("AES");
        }

        public new static Aes Create(string algorithmName)
        {
            if (algorithmName == null)
            {
                throw new ArgumentNullException("algorithmName");
            }
            return CryptoConfig.CreateFromName(algorithmName) as Aes;
        }
    }

}

#endif