public void RSATests_String_EncryptDecrypt(string text)
{
using (var cryptor = new RSACrypt())
{
var cryptBuffer = Encoding.UTF8.GetBytes(text);
var encryptBuffer = cryptor.Encrypt(cryptBuffer);
var decryptBuffer = cryptor.Decrypt(encryptBuffer);
var resultString = Encoding.UTF8.GetString(decryptBuffer);
Assert.AreEqual(resultString, text);
}
}
public void RSATests_BigString_EncryptDecrypt(string fileName)
{
using (var cryptor = new RSACrypt())
{
var text = File.ReadAllText(fileName);
var cryptBuffer = Encoding.UTF8.GetBytes(text);
var encryptBuffer = cryptor.Encrypt(cryptBuffer);
var decryptBuffer = cryptor.Decrypt(encryptBuffer);
var resultString = Encoding.UTF8.GetString(decryptBuffer);
Assert.AreEqual(resultString, text);
}
}
private void button1_Click(object sender, EventArgs e)
{
if (listBox1.SelectedIndex >= 0)
{
int index = listBox1.SelectedIndex;
//kendi arkadaslarına eklemesi
char[] charsToTrim = { ' ', '"' };
string friendPublic = friendRequests[index, 1].Trim(charsToTrim);
string friendMail = friendRequests[index, 0].Trim(charsToTrim);
string friendUsername = friendRequests[index, 2].Trim(charsToTrim);
//Creating AES KEY
int length = 32;
// creating a StringBuilder object()
StringBuilder str_build = new StringBuilder();
Random random = new Random();
char letter;
for (int i = 0; i < length; i++)
{
double flt = random.NextDouble();
int shift = Convert.ToInt32(Math.Floor(25 * flt));
letter = Convert.ToChar(shift + 65);
str_build.Append(letter);
}
string aesKey = str_build.ToString();
//ENCRYPT AES KEY WITH MY PUBLIC TO STORE IN DB
string encrtyptedAes = RSAobj.Encrypt(aesKey);
var friend = new
{
friendUsername = friendUsername,
mail = friendMail,
publicKey = friendPublic,
aes = encrtyptedAes
};
try {
FriendReqClient.Set(EncryptedMailApp.LoginForm.user + "/friends/" + friendUsername, friend);
FriendReqClient.Delete(EncryptedMailApp.LoginForm.user + "/friendRequests/" + friendUsername);
}
catch
{
MessageBox.Show("There is an error occured!");
}
//karşı tarafa ekleme
encrtyptedAes = RSAobj.EncryptFriend(aesKey, friend.publicKey);
friend = new
{
friendUsername = EncryptedMailApp.LoginForm.user,
mail = EncryptedMailApp.LoginForm.mail,
publicKey = EncryptedMailApp.LoginForm.userpublicKey.Replace("\r", "").Replace("\n", ""),
aes = encrtyptedAes
};
try
{
FriendReqClient.Set(friendUsername + "/friends/" + EncryptedMailApp.LoginForm.user, friend);
}
catch
{
MessageBox.Show("There is an error occured!");
}
}
else
{
MessageBox.Show("There is no selected request!");
}
}
private void testbtn_Click(object sender, EventArgs e)//encrypt
{
string encrtypted = RSAobj.Encrypt(testbox.Text);
testtextbox.Text = encrtypted;
}