/// <summary>编码用户和有效期得到令牌</summary>
/// <param name="user">用户</param>
/// <param name="expire">有效期</param>
/// <returns></returns>
public String Encode(String user, DateTime expire)
{
if (user.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(user));
}
if (expire.Year < 2000)
{
throw new ArgumentOutOfRangeException(nameof(expire));
}
if (Key.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(Key));
}
var dt = new DateTime(1970, 1, 1);
var secs = (Int32)(expire - dt).TotalSeconds;
// 拼接数据并签名
var data = (user + "," + secs).GetBytes();
var sig = DSAHelper.Sign(data, Key);
// Base64拼接数据和签名
return(data.ToUrlBase64() + "." + sig.ToUrlBase64());
}
private void btnDSA_Click(Object sender, EventArgs e)
{
var buf = GetBytes();
var key = rtPass.Text;
if (key.Length < 100)
{
key = DSAHelper.GenerateKey().First();
rtPass.Text = key;
}
buf = DSAHelper.Sign(buf, key);
SetResult(buf);
}
private void btnDSA_Click(Object sender, EventArgs e)
{
var buf = GetBytes();
var key = rtPass.Text;
if (key.Length < 100)
{
key = DSAHelper.GenerateKey().First();
rtPass.Text = key;
}
buf = DSAHelper.Sign(buf, key);
rtResult.Text = buf.ToHex() + Environment.NewLine + Environment.NewLine + buf.ToBase64();
}