private void TestSRP(SRPParameters srpParams)
{
var password = Password.GenerateCredentialsHash(srpParams.Hash, "TEST", "TESTPW");
var server = new SRPServer("TEST", password, srpParams);
var client = new SRPClient("TEST", password, srpParams);
// Client sends A to the server.
server.PublicEphemeralValueA = client.PublicEphemeralValueA;
// Server sends s and B to the client.
client.Salt = server.Salt;
client.PublicEphemeralValueB = server.PublicEphemeralValueB;
Assert.IsTrue(client.SessionKey == server.SessionKey);
Assert.IsTrue(server.Validator.IsClientProofValid(client.Validator.ClientSessionKeyProof));
Assert.IsTrue(client.Validator.IsServerProofValid(server.Validator.ServerSessionKeyProof));
}
/// <summary>
/// Calculates SRP information based on the username of the account used.
/// If this account does not exist in the database, return null.
/// </summary>
/// <param name="username">The account's username.</param>
/// <returns>null if no account exists, otherwise an SRPServer instance to be used for this connection.</returns>
private static SRPServer GetSRPDataForUsername(string username)
{
// TODO this needs to be fetched from the database
BigInteger credentials = null ?? new BigInteger(0);
SRPServer srpData = new SRPServer(username, credentials, new WowAuthParameters());
BigInteger g = srpData.Parameters.Generator;
BigInteger n = srpData.Parameters.Modulus;
srpData.Salt = new BigInteger(new FastRandom(), 32 * 8);
return srpData;
}
