Encrypt Bytes C#

public byte[] AES_Encrypt(byte[] bytesToBeEncrypted, byte[] passwordBytes)
        {
            byte[] encryptedBytes = null;
            // Static salt
            byte[] saltBytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
            using (MemoryStream ms = new MemoryStream())
            {
                using (RijndaelManaged AES = new RijndaelManaged())
                {
                    AES.KeySize = 256;
                    AES.BlockSize = 128;

                    // Thousand iterations of RFC2898 on the password to derive the key
                    var key = new Rfc2898DeriveBytes(passwordBytes, saltBytes, 1000);
                    AES.Key = key.GetBytes(AES.KeySize / 8);
                    AES.IV = key.GetBytes(AES.BlockSize / 8);

                    AES.Mode = CipherMode.CBC;

                    // Write encrypted bytes to stream
                    using (var cs = new CryptoStream(ms, AES.CreateEncryptor(), CryptoStreamMode.Write))
                    {
                        cs.Write(bytesToBeEncrypted, 0, bytesToBeEncrypted.Length);
                        cs.Close();
                    }
                    encryptedBytes = ms.ToArray();
                }
            }

            return encryptedBytes;
        }

public byte[] EncryptBytes(byte[] bytesToBeEncrypted, string password)
        {

            // Get bytes from string
            byte[] passwordBytes = Encoding.UTF8.GetBytes(password);

            // Hash the password with SHA256
            passwordBytes = SHA256.Create().ComputeHash(passwordBytes);

            // AES encrypt bytes
            byte[] bytesEncrypted = AES_Encrypt(bytesToBeEncrypted, passwordBytes);

            return bytesEncrypted;

        }