public static SignKeys GenerateSignKeyPair()
{
SignKeys keys = new SignKeys();
using (DSACryptoServiceProvider dsa = new DSACryptoServiceProvider())
{
keys.PublicAndPrivate = dsa.ExportCspBlob(true);
keys.PublicOnly = dsa.ExportCspBlob(false);
}
return keys;
}
private void buttonGenerateKeypairsForUser_Click(object sender, EventArgs e)
{
try
{
if (string.IsNullOrEmpty(this.textBoxNewUserId.Text))
{
MessageBox.Show("You must enter a username");
return;
}
this.newUserId = GuidCreator.CreateGuidFromString(this.textBoxNewUserId.Text);
if (this.masterKeypair == null)
{
MessageBox.Show("You must load master key pair first");
return;
}
string filename = FileDialogs.AskUserForFileNameToSaveIn();
if (!string.IsNullOrEmpty(filename))
{
if (!Path.HasExtension(filename))
{
filename = filename + ".xml";
}
this.signKeyPair = DataSigner.GenerateSignKeyPair();
IPreService proxy = GetPreProxy();
this.userKeypair = proxy.GenerateKeyPair();
proxy = GetPreProxy();
this.delegationToken.ToUser = proxy.GenerateDelegationKey(this.masterKeypair.Private, this.userKeypair.Public);
IGatewayService gateWayproxy = GetServiceProxy();
gateWayproxy.RegisterUser(this.myId, this.newUserId, this.delegationToken, this.signKeyPair.PublicOnly);
UserKeys uk = new UserKeys();
uk.MasterKeyPublicKey = Convert.ToBase64String(this.masterKeypair.Public);
uk.UserPrivateKey = Convert.ToBase64String(this.userKeypair.Private);
uk.UserSignKeys = Convert.ToBase64String(this.signKeyPair.PublicAndPrivate);
XmlFile.WriteFile(uk, filename);
MessageBox.Show("Done");
}
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
Logger.LogError("Error generating user keypair", ex);
}
}