C# [Source] AES Encryption [C#]

Code
using System;

using System.IO;

using System.Text;

using System.Security.Cryptography;



namespace Encryption

{

    public class AES

    {

        public static string Encrypt(string plainText,

                                string passPhrase,

                                string saltValue,

                                string hashAlgorithm,

                                int passwordIterations,

                                string initVector,

                                int keySize)

        {



            byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);

            byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);

            byte[] plainTextBytes = Encoding.UTF8.GetBytes(plainText);

        

            PasswordDeriveBytes password = new PasswordDeriveBytes(

                                                            passPhrase,

                                                            saltValueBytes,

                                                            hashAlgorithm,

                                                            passwordIterations);





            byte[] keyBytes = password.GetBytes(keySize / 8);



            RijndaelManaged symmetricKey = new RijndaelManaged();

            symmetricKey.Mode = CipherMode.CBC;

            ICryptoTransform encryptor = symmetricKey.CreateEncryptor(

                                                             keyBytes,

                                                             initVectorBytes);

            MemoryStream memoryStream = new MemoryStream();

      

            CryptoStream cryptoStream = new CryptoStream(memoryStream,

                                                         encryptor,

                                                         CryptoStreamMode.Write);



            cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);

            cryptoStream.FlushFinalBlock();



            byte[] cipherTextBytes = memoryStream.ToArray();



            memoryStream.Close();

            cryptoStream.Close();



            string cipherText = Convert.ToBase64String(cipherTextBytes);



            return cipherText;

        }



        public static string Decrypt(string cipherText,

                                     string passPhrase,

                                     string saltValue,

                                     string hashAlgorithm,

                                     int passwordIterations,

                                     string initVector,

                                     int keySize)

        {

            byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);

            byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);



            byte[] cipherTextBytes = Convert.FromBase64String(cipherText);



            PasswordDeriveBytes password = new PasswordDeriveBytes(

                                                            passPhrase,

                                                            saltValueBytes,

                                                            hashAlgorithm,

                                                            passwordIterations);



            byte[] keyBytes = password.GetBytes(keySize / 8);



         

            RijndaelManaged symmetricKey = new RijndaelManaged();



            symmetricKey.Mode = CipherMode.CBC;



            ICryptoTransform decryptor = symmetricKey.CreateDecryptor(

                                                             keyBytes,

                                                             initVectorBytes);



          

            MemoryStream memoryStream = new MemoryStream(cipherTextBytes);



            CryptoStream cryptoStream = new CryptoStream(memoryStream,

                                                          decryptor,

                                                          CryptoStreamMode.Read);



            byte[] plainTextBytes = new byte[cipherTextBytes.Length];



            int decryptedByteCount = cryptoStream.Read(plainTextBytes,

                                                       0,

                                                       plainTextBytes.Length);



            memoryStream.Close();

            cryptoStream.Close();



            string plainText = Encoding.UTF8.GetString(plainTextBytes,

                                                       0,

                                                       decryptedByteCount);

            return plainText;

        }



    }

}