/// <summary>
/// Generate a response packet.
/// </summary>
/// <param name="request">The string representation of the request.</param>
/// <returns></returns>
public byte[] GenerateResponse(byte[] request)
{
var currentPlatform = OSCheck.RunningPlatform();
if (currentPlatform == OSCheck.Platform.Mac)
{
throw new PlatformNotSupportedException("Mac OSX is not a supported operating system for this.");
}
var instream = new MemoryStream(request);
var gData = DataUtility.ReadBytesFromStream(instream);
var pData = DataUtility.ReadBytesFromStream(instream);
var AData = DataUtility.ReadBytesFromStream(instream);
byte[] BData = null;
if (currentPlatform == OSCheck.Platform.Windows)
{
g = new mpz_t(gData, 1);
p = new mpz_t(pData, 1);
var A = new mpz_t(AData, 1);
// Generate the parameters.
a = RandomGenerator.Next(bytes);
var B = g.Power(a);
B = B.Mod(p);
// Get Raw IntX Data
BData = B.ToByteArray(1);
// Got the key!!! HOORAY!
S = A.Power(a);
S = S.Mod(p);
W_GetKeyData();
}
else if (currentPlatform == OSCheck.Platform.Linux)
{
g = new Integer();
g.FromBytes(gData);
p = new Integer();
p.FromBytes(pData);
var A = new Integer(AData);
// Generate the parameters.
a = RandomGenerator.Next(bytes);
var B = g.Pow(a);
B %= p;
// Get Raw IntX Data
BData = B.ToBytes();
// Got the key!!! HOORAY!
S = A.Pow(a);
S %= p;
L_GetKeyData();
}
return(BData);
}
/// <summary>
/// Generates a request packet.
/// </summary>
/// <returns></returns>
public byte[] GenerateRequest()
{
var currentPlatform = OSCheck.RunningPlatform();
if (currentPlatform == OSCheck.Platform.Mac)
{
throw new PlatformNotSupportedException("Mac OSX is not a supported operating system for this.");
}
// Generate the parameters.
var raw = new byte[bytes];
var memStream = new MemoryStream();
RandomGenerator.NextBytes(raw);
a = RandomGenerator.Next((bytes) / 4 * 3, bytes);
if (currentPlatform == OSCheck.Platform.Windows)
{
p = W_GeneratePrime();
g = new mpz_t(raw, 1);
var A = g.Power(a);
A = A.Mod(p);
// Get Raw Integer Data
var gData = (g as mpz_t).ToByteArray(1);
var pData = (p as mpz_t).ToByteArray(1);
var AData = A.ToByteArray(1);
// Write Length to Stream
DataUtility.WriteBytesToStream(gData, memStream);
DataUtility.WriteBytesToStream(pData, memStream);
DataUtility.WriteBytesToStream(AData, memStream);
}
else if (currentPlatform == OSCheck.Platform.Linux)
{
p = L_GeneratePrime();
g = new Integer();
g.FromBytes(raw);
var A = g.Pow(a);
A %= p;
// Get Raw Integer Data
var gData = g.ToBytes();
var pData = p.ToBytes();
var AData = A.ToBytes();
// Write Length to Stream
DataUtility.WriteBytesToStream(gData, memStream);
DataUtility.WriteBytesToStream(pData, memStream);
DataUtility.WriteBytesToStream(AData, memStream);
}
var finalDataSend = memStream.ToArray();
memStream.Dispose();
return(finalDataSend);
}
/// <summary>
/// Generates the key after a response is received.
/// </summary>
/// <param name="response">The string representation of the response.</param>
public void HandleResponse(byte[] response)
{
var currentPlatform = OSCheck.RunningPlatform();
if (currentPlatform == OSCheck.Platform.Mac)
{
throw new PlatformNotSupportedException("Mac OSX is not a supported operating system for this.");
}
if (currentPlatform == OSCheck.Platform.Windows)
{
var B = new mpz_t(response, 1);
S = B.Power(a);
S = (S as mpz_t).Mod((p as mpz_t));
W_GetKeyData();
}
else if (currentPlatform == OSCheck.Platform.Linux)
{
var B = new Integer(response);
S = B.Pow(a);
S %= p;
L_GetKeyData();
}
}