static public void SaveBlindParticipant(APIServer server, GroupRepository groupRepository)
{
Console.WriteLine("Enter the group for which you want to register participants:");
var groupName = Console.ReadLine();
Console.WriteLine("Enter participant email address that you want to be saved as blind participant:");
var participantEmail = Console.ReadLine();
var group = server.GetGroupByName(groupName);
var factor = File.ReadAllText("BlindFactor.txt");
BigInteger blindFactor = new BigInteger(factor);
var fileToRead = (participantEmail.Substring(0, participantEmail.IndexOf("@")) + "PublicKey.txt").ToString();
RsaKeyParameters participantPublicKey = (RsaKeyParameters)RsaKeyUtils.GetDeserializedKPublicKey(File.ReadAllText(fileToRead));
GroupRegistration groupRegistration = new GroupRegistration(group, new ContentBlinder(group.RsaPublicKey, blindFactor), participantPublicKey);
ClientParticipant clientParticipant = new ClientParticipant(server, groupRepository);
VerifiedParticipant verifiedParticipant = clientParticipant.CheckVerifiedEntity(group, participantEmail, groupRegistration);
clientParticipant.AddClientCertificate(verifiedParticipant, group, participantEmail);
Console.WriteLine("Enter nickname:");
var nickname = Console.ReadLine();
clientParticipant.AddBlindParticipant(group.Id, verifiedParticipant, nickname);
Console.WriteLine();
Console.WriteLine("Participant was saved as a blind participant to the group");
}
public static void SendMessageOnGroup(APIServer server, GroupRepository groupRepository)
{
Console.WriteLine("Enter the group on which you want to send messages:");
var groupName = Console.ReadLine();
string pubKeyFile = groupName + "PublicKey.txt";
string privKeyFile = groupName + "PrivateKey.txt";
Group group = server.GetGroupByName(groupName);
if (pubKeyFile != null && privKeyFile != null)
{
var groupCreator = GetGroupCreator(server, pubKeyFile, privKeyFile);
ParticipantMessage message = new ParticipantMessage();
Console.WriteLine("Enter the message you want to send:");
message.Message = Console.ReadLine();
Console.WriteLine("Enter your nickname:");
var nickname = Console.ReadLine();
ClientParticipant clientParticipant = new ClientParticipant(server, groupRepository);
var blindparticipant = groupCreator.GetBlindParticipantByNickname(group.Id, nickname);
VerifiedParticipant verifiedParticipant = new VerifiedParticipant
{
PublicKey = blindparticipant.PublicKey,
Signature = blindparticipant.Signature
};
message.BlindParticipant = blindparticipant.Id.ToString();
clientParticipant.AddMessage(group.Id, message, verifiedParticipant);
Console.WriteLine("Participant verified");
Console.WriteLine("Message sent");
}
else
{
Console.WriteLine("Group creator Keys were not saved to file, please go to step 1");
}
}
static public void SignCertificate(APIServer server)
{
Console.WriteLine("Enter the group for which you want to register participants:");
string groupName = Console.ReadLine();
string pubKeyFile = groupName + "PublicKey.txt";
string privKeyFile = groupName + "PrivateKey.txt";
var groupCreator = GetGroupCreator(server, pubKeyFile, privKeyFile);
var group = server.GetGroupByName(groupName);
groupCreator.SignMessages(group);
Console.WriteLine("Blind message was signed");
}