/// <inheritdoc />
public Task HandleMessage(IPeerMessageContext <AuthenticationClientPayload> context, AuthLogonChallengeResponse payload)
{
AuthLogonProofRequest proof = null;
//TODO: Change this console logging
if (payload.Result != AuthenticationResult.Success)
{
Console.WriteLine($"Failed Auth: {payload.Result}");
}
using (WoWSRP6ClientCryptoServiceProvider srpProvider = new WoWSRP6ClientCryptoServiceProvider(payload.Challenge.B.ToBigInteger(), payload.Challenge.N.ToBigInteger(), payload.Challenge.g.ToBigInteger()))
{
using (WoWSRP6PublicComponentHashServiceProvider hashingService = new WoWSRP6PublicComponentHashServiceProvider())
{
//TODO: Remove hardcoded name/pass
//Set the session key in the store for usage
BigInteger unhashedKey = srpProvider.ComputeSessionKey("Glader".ToUpper(), "test", payload.Challenge.salt);
Console.WriteLine($"SessionKey: {unhashedKey} KeySize: {unhashedKey.ToCleanByteArray().Length}");
proof = new AuthLogonProofRequest(srpProvider.A.ToCleanByteArray(), hashingService.ComputeSRP6M1(srpProvider.g, srpProvider.N, "Glader".ToUpper(), payload.Challenge.salt, srpProvider.A, srpProvider.B, unhashedKey));
//Set the session key as a hashed session key
//SessionKeyStorage.SessionKey = hashingService.HashSessionKey(unhashedKey);
}
}
Console.WriteLine("Sending Proof");
return(context.PayloadSendService.SendMessage(proof));
}
/// <inheritdoc />
public async Task HandleMessage(IPeerMessageContext <AuthenticationClientPayload> context, AuthLogonChallengeResponse payload)
{
AuthLogonProofRequest proof = null;
if (payload.Result != AuthenticationResult.Success)
{
throw new InvalidOperationException($"The auth challenge failed. Returned: {payload.Result}.");
}
using (WoWSRP6CryptoServiceProvider srpProvider = new WoWSRP6CryptoServiceProvider(payload.Challenge.B.ToBigInteger(), payload.Challenge.N.ToBigInteger(), payload.Challenge.g.ToBigInteger()))
{
using (WoWSRP6PublicComponentHashServiceProvider hashingService = new WoWSRP6PublicComponentHashServiceProvider())
{
//TODO: Remove hardcoded name/pass
//Set the session key in the store for usage
BigInteger unhashedKey = srpProvider.ComputeSessionKey("Glader".ToUpper(), "test", payload.Challenge.salt);
proof = new AuthLogonProofRequest(srpProvider.A.ToCleanByteArray(), hashingService.ComputeSRP6M1(srpProvider.g, srpProvider.N, "Glader".ToUpper(), payload.Challenge.salt, srpProvider.A, srpProvider.B, unhashedKey));
//Set the session key as a hashed session key
//SessionKeyStorage.SessionKey = hashingService.HashSessionKey(unhashedKey);
}
}
await context.PayloadSendService.SendMessage(proof);
}
public static void Test_SameBytes_As_WCELL(int value)
{
//arrange
WCell.Core.Cryptography.BigInteger WcellBigInt = new WCell.Core.Cryptography.BigInteger(value);
FreecraftCore.Crypto.BigInteger FreecraftBigInt = new FreecraftCore.Crypto.BigInteger(value);
AssertBitIntEquivalence(WcellBigInt, FreecraftBigInt);
}
public static void Test_N_Bytes_Equivalent()
{
//arrange
string N = @"894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7";
WCell.Core.Cryptography.BigInteger WcellBigInt = new WCell.Core.Cryptography.BigInteger(@"894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7", 16);
FreecraftCore.Crypto.BigInteger FreecraftBigInt = @"894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7".ToBigInteger();
AssertBitIntEquivalence(WcellBigInt, FreecraftBigInt);
}
private static void AssertBitIntEquivalence(WCell.Core.Cryptography.BigInteger WcellBigInt, FreecraftCore.Crypto.BigInteger FreecraftBigInt)
{
//act
byte[] wcellbytes = WcellBigInt.GetBytes();
byte[] freecraftbytes = FreecraftBigInt.ToCleanByteArray();
//assert
Assert.AreEqual(wcellbytes.Length, freecraftbytes.Length, "BigInteger mismatched length between Wcell and FreecraftCore.");
for (int i = 0; i < wcellbytes.Length; i++)
{
Assert.AreEqual(wcellbytes[i], freecraftbytes[i], $"Byte value mismatch at index: {i} Wcell: {wcellbytes[i]} Freecraft: {freecraftbytes[i]}");
}
}
