| public Encrypt ( byte rgb, bool fOAEP ) : byte[] | ||
| rgb | byte | raw data to encrypt |
| fOAEP | bool | true to use OAEP padding (PKCS #1 v2), false to use PKCS #1 type 2 padding |
| Résultat | byte[] | |
public byte[] Encrypt(byte[] rgb, bool fOAEP)
{
if (rgb == null)
{
throw new ArgumentNullException(nameof(rgb));
}
byte[] encryptedKey = null;
CapiHelper.EncryptKey(SafeKeyHandle, rgb, rgb.Length, fOAEP, ref encryptedKey);
return encryptedKey;
}
| RSACryptoServiceProvider::Encrypt ( byte data, RSAEncryptionPadding padding ) : byte[] |
public static void EncryptionKeyRequest(MinecraftClient client, IPacket _packet)
{
var packet = (EncryptionKeyRequestPacket)_packet;
var random = RandomNumberGenerator.Create();
client.SharedSecret = new byte[16];
random.GetBytes(client.SharedSecret); // Generate a secure AES key
if (packet.ServerId != "-") // Online mode
{
// Authenticate with minecraft.net
var data = Encoding.ASCII.GetBytes(packet.ServerId)
.Concat(client.SharedSecret)
.Concat(packet.PublicKey).ToArray();
var hash = Cryptography.JavaHexDigest(data);
var webClient = new WebClient();
string result = webClient.DownloadString("http://session.minecraft.net/game/joinserver.jsp?user="******"&sessionId=" + Uri.EscapeUriString(client.Session.SessionId) +
"&serverId=" + Uri.EscapeUriString(hash));
if (result != "OK")
LogProvider.Log("Unable to verify session: " + result);
}
var parser = new AsnKeyParser(packet.PublicKey);
var key = parser.ParseRSAPublicKey();
// Encrypt shared secret and verification token
var crypto = new RSACryptoServiceProvider();
crypto.ImportParameters(key);
var encryptedSharedSecret = crypto.Encrypt(client.SharedSecret, false);
var encryptedVerification = crypto.Encrypt(packet.VerificationToken, false);
var response = new EncryptionKeyResponsePacket(encryptedSharedSecret, encryptedVerification);
client.SendPacket(response);
}