protected void Button1_Click(object sender, EventArgs e)
{
if (Context.User.Identity.Name == "")
{
Response.Redirect("~/Account/Login.aspx");
}
else
{
if (FileUpload1.HasFile)
{
FileUpload1.PostedFile.SaveAs(Server.MapPath("~/Data/") + FileUpload1.FileName); // куда грузить
////////////Writing user name into database///////////
using (site_dbDataContext contex = new site_dbDataContext()) //Создан экземпляр класса БД
{
//Создаем объекты таблиц
FileUser UserName = new FileUser();
//PublicKey
UserName.Email = Context.User.Identity.Name;
UserName.FileName = FileUpload1.FileName;
////////////////////////////////////////////////////
///////////////Добавляем Подпись///////////////////
RSA.BigInteger BI_Text = new RSA.BigInteger(ComputeMD5Checksum(Server.MapPath("~/Data/") + FileUpload1.FileName), 16);
RSA.BigInteger d = new RSA.BigInteger((from x in new site_dbDataContext().Sisurity where x.UserLogin == Context.User.Identity.Name select x.PrivatKey).First(), 10);
RSA.BigInteger n = new RSA.BigInteger((from x in new site_dbDataContext().PublicKeys where x.UserLogin == Context.User.Identity.Name select x.Mod).First(), 10);
byte[] sign = BI_Text.modPow(d, n).getBytes();
UserName.Sign = BitConverter.ToString(sign).Replace("-", string.Empty);
contex.FileUser.InsertOnSubmit(UserName);
contex.SubmitChanges();
///////////////////////////////////////////////////*/
}
}
DataTable dt = new DataTable();//создаём таблицу
dt.Columns.Add("File", typeof(string));
dt.Columns.Add("Size", typeof(string));
dt.Columns.Add("Type", typeof(string));
dt.Columns.Add("Hash", typeof(string));
dt.Columns.Add("Sign", typeof(string));
dt.Columns.Add("PublicKey", typeof(string));
dt.Columns.Add("Mod", typeof(string));
dt.Columns.Add("Login", typeof(string));
String userName, sign_out, openkey, mod = "";
using (site_dbDataContext contex = new site_dbDataContext()) //Создан экземпляр класса БД
{
//Создаем объекты таблиц
FileUser UserName = new FileUser();
foreach (string strfile in Directory.GetFiles(Server.MapPath("~/Data")))//вносим данные
{
FileInfo fi = new FileInfo(strfile);
userName = (from x in new site_dbDataContext().FileUser where x.FileName == fi.Name select x.Email).First();
sign_out = (from x in new site_dbDataContext().FileUser where x.FileName == fi.Name select x.Sign).First();
openkey = (from x in new site_dbDataContext().PublicKeys where x.UserLogin == userName select x.PublicKey).First();
mod = (from x in new site_dbDataContext().PublicKeys where x.UserLogin == userName select x.Mod).First();
dt.Rows.Add(fi.Name, fi.Length, GetFileTypeByExtension(fi.Extension), ComputeMD5Checksum(Server.MapPath("~/Data/") + fi.Name), sign_out, openkey, mod, userName);
}
}
GridView1.DataSource = dt;
GridView1.DataBind();
}
}
protected void Button2_Click(object sender, EventArgs e)
{
RSA.BigInteger mod = new RSA.BigInteger(TextBox1.Text,16).modPow(new RSA.BigInteger(TextBox2.Text,10), new RSA.BigInteger(TextBox4.Text.Trim(),10));
TextBox3.Text = mod.ToHexString();
}
protected void Button2_Click(object sender, EventArgs e)
{
RSA.BigInteger mod = new RSA.BigInteger(TextBox1.Text, 16).modPow(new RSA.BigInteger(TextBox2.Text, 10), new RSA.BigInteger(TextBox4.Text.Trim(), 10));
TextBox3.Text = mod.ToHexString();
}
protected void Button1_Click(object sender, EventArgs e)
{
if (Context.User.Identity.Name == "")
{
Response.Redirect("~/Account/Login.aspx");
}
else
{
if (FileUpload1.HasFile)
{
FileUpload1.PostedFile.SaveAs(Server.MapPath("~/Data/") + FileUpload1.FileName);// куда грузить
////////////Writing user name into database///////////
using (site_dbDataContext contex = new site_dbDataContext()) //Создан экземпляр класса БД
{
//Создаем объекты таблиц
FileUser UserName = new FileUser();
//PublicKey
UserName.Email = Context.User.Identity.Name;
UserName.FileName = FileUpload1.FileName;
////////////////////////////////////////////////////
///////////////Добавляем Подпись///////////////////
RSA.BigInteger BI_Text = new RSA.BigInteger(ComputeMD5Checksum(Server.MapPath("~/Data/") + FileUpload1.FileName), 16);
RSA.BigInteger d = new RSA.BigInteger((from x in new site_dbDataContext().Sisurity where x.UserLogin == Context.User.Identity.Name select x.PrivatKey).First(), 10);
RSA.BigInteger n = new RSA.BigInteger((from x in new site_dbDataContext().PublicKeys where x.UserLogin == Context.User.Identity.Name select x.Mod).First(), 10);
byte[] sign = BI_Text.modPow(d, n).getBytes();
UserName.Sign = BitConverter.ToString(sign).Replace("-", string.Empty);
contex.FileUser.InsertOnSubmit(UserName);
contex.SubmitChanges();
///////////////////////////////////////////////////*/
}
}
DataTable dt = new DataTable();//создаём таблицу
dt.Columns.Add("File", typeof(string));
dt.Columns.Add("Size", typeof(string));
dt.Columns.Add("Type", typeof(string));
dt.Columns.Add("Hash", typeof(string));
dt.Columns.Add("Sign", typeof(string));
dt.Columns.Add("PublicKey", typeof(string));
dt.Columns.Add("Mod", typeof(string));
dt.Columns.Add("Login", typeof(string));
String userName, sign_out, openkey, mod = "";
using (site_dbDataContext contex = new site_dbDataContext()) //Создан экземпляр класса БД
{
//Создаем объекты таблиц
FileUser UserName = new FileUser();
foreach (string strfile in Directory.GetFiles(Server.MapPath("~/Data")))//вносим данные
{
FileInfo fi = new FileInfo(strfile);
userName = (from x in new site_dbDataContext().FileUser where x.FileName == fi.Name select x.Email).First();
sign_out = (from x in new site_dbDataContext().FileUser where x.FileName == fi.Name select x.Sign).First();
openkey = (from x in new site_dbDataContext().PublicKeys where x.UserLogin == userName select x.PublicKey).First();
mod = (from x in new site_dbDataContext().PublicKeys where x.UserLogin == userName select x.Mod).First();
dt.Rows.Add(fi.Name, fi.Length, GetFileTypeByExtension(fi.Extension), ComputeMD5Checksum(Server.MapPath("~/Data/") + fi.Name), sign_out, openkey, mod, userName);
}
}
GridView1.DataSource = dt;
GridView1.DataBind();
}
}
