public static void GenerateKeys()
{
int keySize = 4096;
var keys = EncryptorRSA.GenerateKeys(keySize);
StreamWriter publicKey = new StreamWriter("publickey");
publicKey.Write(keys.PublicKey);
StreamWriter privateKey = new StreamWriter("privatekey");
privateKey.Write(keys.PrivateKey);
publicKey.Close();
privateKey.Close();
}
public async Task RequestPublicKey()
{
var keyPair = EncryptorRSA.GenerateKeys(KeySize);
if (KeyPairs.TryAdd(Context.ConnectionId, keyPair))
{
Console.WriteLine($"Generated new key pair for client with ConnectionId '{Context.ConnectionId}:" +
$"\n\tPublic key: {keyPair.PublicKey}" +
$"\n\tPrivate key: {keyPair.PrivateKey}");
await Clients.Caller.SendAsync("PublicKey", keyPair.PublicKey);
}
}
static void Main(string[] args)
{
EncryptorRSAKeys key = EncryptorRSA.GenerateKeys(2048);
string input = "";
input = Console.ReadLine();
string str = EncryptorRSA.EncryptText(input, key.PublicKey);
Console.WriteLine("encrypt: " + str);
Console.WriteLine("decrypt: " + EncryptorRSA.DecryptText(str, key.PrivateKey));
Console.WriteLine(EncryptorRSA.GetMaxDataLength(16384));
Console.ReadKey();
}
private static async Task RegenerateKeys()
{
while (true)
{
await Task.Delay(TimeSpan.FromMinutes(30));
foreach (var keyValue in KeyPairs)
{
var newPair = EncryptorRSA.GenerateKeys(KeySize);
keyValue.Value.PublicKey = newPair.PublicKey;
keyValue.Value.PrivateKey = newPair.PrivateKey;
Console.WriteLine($"Generated new key pair for client with ConnectionId '{keyValue.Key}:" +
$"\n\tPublic key: {keyValue.Value.PublicKey}" +
$"\n\tPrivate key: {keyValue.Value.PrivateKey}");
await CallerClients.Caller.SendAsync("PublicKey", keyValue.Value.PublicKey);
}
}
}
