private static void create_keys()
{
string idkeys = create_id();
id = idkeys;
List <string> list_keys = Generate_Keys.genertate_key(idkeys);
rsa = Generate_Keys.load_keys(idkeys);
}
internal static string decypt_text(string text, string key)
{
rsa = Generate_Keys.load_keysFile(key);
string[] text_array = text.Split('\n');
List <string> result = new List <string>();
foreach (string line in text_array)
{
try
{
if (line != " ")
{
string[] test = line.Trim().Split(' ');
int[] myInts = Array.ConvertAll(test, s => int.Parse(s));
byte[] bytes = new byte[myInts.Length];
for (int i = 0; i < myInts.Length; i++)
{
bytes[i] = (byte)myInts[i];
}
byte[] decryptMsg = rsa.PublicDecryption(bytes);
string de_string = Encoding.UTF8.GetString(decryptMsg);
if (de_string.StartsWith("k@"))
{
de_string = de_string.Substring(2, de_string.Length - 2);
}
result.Add(de_string);
//rsa = Generate_Keys.load_keys1(id);
//byte[] decryptMsg = rsa.PublicDecryption(test1);
//string de_string = Encoding.UTF8.GetString(decryptMsg);
}
}
catch
{
Console.WriteLine(1);
}
}
string[] test1 = result.ToArray();
string enc_result = String.Join("", test1);
return(enc_result);
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
string text = e_text;
create_keys();
int j = 0;
int i = 0;
List <string> get_list_text = new List <string>();
while (i < text.Length)
{
if (j == 50)
{
get_list_text.Add(text.Substring(i - 50, 50));
j = 0;
}
else
{
j += 1;
i += 1;
}
}
int r = text.Length - get_list_text.Count * 50;
get_list_text.Add(text.Substring(text.Length - r, r));
string[] line_text = get_list_text.ToArray();
int i1 = 0;
List <string> k = new List <string>();
foreach (string line in line_text)
{
i1 += 1;
byte[] message = Encoding.UTF8.GetBytes(line);
rsa = Generate_Keys.load_keys(id);
byte[] new_enc_byte = rsa.PrivateEncryption(message);
byte[] decryptMsg = rsa.PublicDecryption(new_enc_byte);
string de_string = Encoding.UTF8.GetString(decryptMsg);
string test_string = line;
while (de_string != test_string)
{
string a = "";
test_string = "k@" + line;
message = Encoding.UTF8.GetBytes(test_string);
new_enc_byte = rsa.PrivateEncryption(message);
decryptMsg = rsa.PublicDecryption(new_enc_byte);
de_string = Encoding.UTF8.GetString(decryptMsg);
}
int[] bytesAsInts = new_enc_byte.Select(x => (int)x).ToArray();
List <string> new_lne = new List <string>();
foreach (int a in bytesAsInts)
{
new_lne.Add(a.ToString());
}
k.Add(String.Join(" ", new_lne));
double rep = Convert.ToDouble(i1) / Convert.ToDouble(line_text.Length);
int rport = Convert.ToInt32(rep * 100);
backgroundWorker1.ReportProgress(rport);
}
string[] test = k.ToArray();
string[] check1 = { String.Join("\n", test), id };
result1 = check1;
}
