string ICrypto.Encrypt(string textToEncrypt)
{
byte[] encryptedBytes;
// Prepare an AES object.
using (Aes aes = Aes.Create())
{
aes.Key = this.key;
aes.IV = this.initializationVector;
// Create an encryptor for stream transformation.
ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, aes.IV);
// Prepare necessary streams and encrypt the given text.
using (MemoryStream memoryStream = new MemoryStream())
{
using (CryptoStream cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter streamWriter = new StreamWriter(cryptoStream))
{
// Write the given text to the stream.
streamWriter.Write(textToEncrypt);
}
// Get the encrypted data from the memory stream.
encryptedBytes = memoryStream.ToArray();
}
}
}
// Convert the byte array with the encrypted text into a string.
ConvertService convertService = new ConvertService();
string encryptedText = convertService.EncodeToString(encryptedBytes);
return(encryptedText);
}
public void GenerateAesKeyAndInitializationVector()
{
byte[] aesKey;
byte[] aesIV;
using (Aes aes = Aes.Create())
{
aesKey = aes.Key;
aesIV = aes.IV;
}
ConvertService convertService = new ConvertService();
string aesKeyEncoded = convertService.EncodeToString(aesKey);
string aesIVEncoded = convertService.EncodeToString(aesIV);
//string secretFile = @"..\..\Resources\Database\Secret.txt";
string secretFile = @"..\..\..\Resources\Database\Secret.txt";
StreamWriter sw = new StreamWriter(secretFile);
sw.WriteLine(aesKeyEncoded);
sw.WriteLine(aesIVEncoded);
sw.Close();
sw.Dispose();
}