private void SaveHandler(NhanVien item)
{
if (String.IsNullOrWhiteSpace(item.Luong) || String.IsNullOrWhiteSpace(item.MatKhau))
{
MessageBox.Show("Vui lòng nhập đầy đủ thông tin cho nhân viên " + item.MaNV);
return;
}
var existItem = DbLib.GetOne <NhanVien>("SP_GETBYMANV_PUBLIC_ENCRYPT_NHANVIEN", new List <SqlParameter> {
new SqlParameter {
ParameterName = "MaNV", Value = item.MaNV
}
});
if (existItem != null)
{
//ko duoc cap nhat
}
//Insert
else
{
item.PubKey = item.MaNV;
var keyPairs = rsaCryptoService.GenerateKeys();
KeyRepository.StoreKeyPairs(item.PubKey, keyPairs, item.MatKhau);
item.MatKhau = item.MatKhau.GetSHA1Hash();
item.Luong = rsaCryptoService.Encrypt(keyPairs.publicKey, item.Luong);
DbLib.ExecuteNonQuery("SP_INS_PUBLIC_ENCRYPT_NHANVIEN", item.ToSqlParameter());
}
}
private void Btn_GenerateKeys_Click(object sender, EventArgs e)
{
Rsa = new RSACryptography(Enums.RSAKeySize.Key2048);
var keys = Rsa.GenerateKeys();
Txt_PublicKey.Text = keys.PublicKey;
Txt_PrivateKey.Text = keys.PrivateKey;
}
private void button1_Click(object sender, EventArgs e)
{
RSACryptography rsa = new RSACryptography();
var rsaKey = rsa.GenerateKeys();
KeyRepository.StorePublicKey(textBox1.Text, rsaKey.publicKey);
//KeyRepository.StorePrivateKey(textBox1.Text, rsaKey.privateKey);
}
public string GenerateKeys()
{
RSACryptography RSA = new RSACryptography();
string publicKey, privateKey;
// Generate RSA key pair
RSA.GenerateKeys(out publicKey, out privateKey);
string plainText = "93f99709-ce56-42a9-af7e-1d72c011c2dd";// Guid.NewGuid().ToString();
// Encrypt
string encryptedText = RSA.Encrypt(publicKey, plainText);
// Decrypt
string decryptedText = RSA.Decrypt(privateKey, encryptedText);
return(plainText + publicKey + privateKey + encryptedText + decryptedText);
// return "<b>Token:</b> " + Server.HtmlEncode(plainText) + "<br />" + "<b>Public key:</b> " + Server.HtmlEncode(publicKey) + "<br />" + "<b>Private key:</b> " + Server.HtmlEncode(privateKey) + "<br />" + "<b>Encrypted text:</b> " + Server.HtmlEncode(encryptedText) + "<br />" + "<b>Decrypted text:</b> " + Server.HtmlEncode(decryptedText);
}