/// <summary>
/// 创建密钥对。
/// </summary>
/// <param name="n">N值</param>
/// <param name="e">公钥</param>
/// <param name="d">密钥</param>
public static void Create(out byte[] n, out byte[] e, out byte[] d)
{
RSACryption r = new RSACryption();
var rand = new Random((int)DateTime.Now.ToFileTime());
BigInteger p = PrimeFunctions.BigPrimeGroups[rand.Next(0, PrimeFunctions.BigPrimeGroups.Length)];
BigInteger q = PrimeFunctions.BigPrimeGroups[rand.Next(0, PrimeFunctions.BigPrimeGroups.Length)];
while (q == p)
{
q = PrimeFunctions.BigPrimeGroups[rand.Next(0, PrimeFunctions.BigPrimeGroups.Length)];
}
BigInteger phi = (p - 1) * (q - 1);
BigInteger nv = p * q;
BigInteger k = rand.Next(10, 20);
BigInteger ev = 1;
BigInteger dv = -1;
while (dv == -1)
{
ev = PrimeFunctions.MiddlePrimeGroups[rand.Next(0, PrimeFunctions.MiddlePrimeGroups.Length)];
dv = ExtendedEuclideanalgorithm.GetMultiplicativeInverseModule(ev, 0 - phi);
}
n = nv.ToByteArray();
e = ev.ToByteArray();
d = dv.ToByteArray();
}
public static RSACryption Create()
{
RSACryption r = new RSACryption();
var rand = new Random((int)DateTime.Now.ToFileTime());
BigInteger p = PrimeFunctions.BigPrimeGroups[rand.Next(0, PrimeFunctions.BigPrimeGroups.Length)];
BigInteger q = PrimeFunctions.BigPrimeGroups[rand.Next(0, PrimeFunctions.BigPrimeGroups.Length)];
while (q == p)
{
q = PrimeFunctions.BigPrimeGroups[rand.Next(0, PrimeFunctions.BigPrimeGroups.Length)];
}
BigInteger phi = (p - 1) * (q - 1);
BigInteger n = p * q;
BigInteger k = rand.Next(10, 20);
BigInteger e = 1;
BigInteger d = -1;
while (d == -1)
{
e = PrimeFunctions.MiddlePrimeGroups[rand.Next(0, PrimeFunctions.MiddlePrimeGroups.Length)];
d = ExtendedEuclideanalgorithm.GetMultiplicativeInverseModule(e, 0 - phi);
}
r.LoadPublicKey(Convert.ToBase64String(e.ToByteArray()), Convert.ToBase64String(n.ToByteArray()));
r.LoadPrivateKey(Convert.ToBase64String(d.ToByteArray()), Convert.ToBase64String(n.ToByteArray()));
return(r);
}
static void Main()
{
RSACryption rs = RSACryption.Create();
string toDisplay = "Company Name: 123\n" +
"Start Time: 2021/01/02\n" +
"Start Time: 2021/01/02\n" +
"Start Time: 2021/01/02\n" +
"Start Time: 2021/01/02\n" +
"Start Time: 2021/01/02\n";
var bs = Encoding.UTF8.GetBytes(toDisplay);
var oo = rs.SignData(bs);
var va = Convert.ToBase64String(oo);
Console.WriteLine(va);
var da = rs.EncryptData(Convert.FromBase64String(va));
var re = Encoding.UTF8.GetString(da);
Console.WriteLine(re);
}
