static void Main(string[] args)
{
try
{
Logger.Initialize();
byte[] data = "Hello world".GetBytes();
SignKeys signKeys = DataSigner.GenerateSignKeyPair();
byte[] signature = DataSigner.Sign(data, signKeys.PublicAndPrivate);
bool valid = DataSigner.IsSignatureValid(data, signature, signKeys.PublicOnly);
Console.WriteLine(valid ? "Valid" : "NOT Valid");
data[0] = 41;
valid = DataSigner.IsSignatureValid(data, signature, signKeys.PublicOnly);
Console.WriteLine(valid ? "Valid" : "NOT Valid");
data[0] = "H".GetBytes()[0];
valid = DataSigner.IsSignatureValid(data, signature, signKeys.PublicOnly);
Console.WriteLine(valid ? "Valid" : "NOT Valid");
}
catch (Exception e)
{
Logger.LogError("Unhandled exception", e);
Console.WriteLine("Error: " + e.Message);
}
Console.WriteLine("Press a key to exit");
Console.ReadKey();
}
private void buttonUploadNow_Click(object sender, EventArgs e)
{
try
{
if (this.listBoxUploadKeywords.Items.Count == 0)
{
MessageBox.Show("At least one keyword must be associated with the data before it is uploaded");
return;
}
if (this.keyPair == null)
{
MessageBox.Show("You must load user keys first");
return;
}
if (this.rolesUserControlUploadData.SelectedRoles.Count == 0)
{
MessageBox.Show("You must select at least one role which should have access to the uploaded data");
return;
}
byte[] fileContent = File.ReadAllBytes(this.labelUploadData.Text);
AesEncryptionInfo encryptionInfo = SymmetricEncryptor.GenerateSymmetricKeyInfo();
byte[] fileCiphertext = SymmetricEncryptor.Encrypt(fileContent, encryptionInfo);
IPreService preProxy = CreatePreProxy();
byte[] encSymIv = preProxy.Encrypt(this.keyPair.Public, encryptionInfo.IV);
preProxy = CreatePreProxy();
byte[] encSymKey = preProxy.Encrypt(this.keyPair.Public, encryptionInfo.Key);
byte[] name = SymmetricEncryptor.Encrypt(Path.GetFileName(this.labelUploadData.Text).GetBytes(), encryptionInfo);
DataEntity entity = new DataEntity();
entity.Attributes = CollectAndEncryptAttributes(encryptionInfo);
entity.Payload = new FilePayload(name, fileCiphertext);
entity.AesInfo = new AesEncryptionInfo(encSymKey, encSymIv);
entity.Id = Guid.NewGuid();
entity.Signature = DataSigner.Sign(entity, this.signingKeys);
IGatewayService proxy = CreateServiceProxy();
proxy.CreateDataEntities(this.myId, this.rolesUserControlUploadData.SelectedRoles, new[] { entity });
MessageBox.Show("Done uploading");
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
Logger.LogError("Error preparing and uploading data to server", ex);
}
}
private void buttonUploadNow_Click(object sender, EventArgs e)
{
try
{
if (this.listBoxUploadKeywords.Items.Count == 0)
{
MessageBox.Show("At least one keyword must be associated with the data before it is uploaded");
return;
}
if (!this.userkeysLoaded)
{
MessageBox.Show("You must load user keys first");
return;
}
byte[] fileContent = File.ReadAllBytes(this.labelUploadData.Text);
AesEncryptionInfo encryptionInfo = SymmetricEncryptor.GenerateSymmetricKeyInfo();
byte[] fileCiphertext = SymmetricEncryptor.Encrypt(fileContent, encryptionInfo);
IPreService preProxy = CreatePreProxy();
byte[] encSymIv = preProxy.Encrypt(this.masterPublicKey, encryptionInfo.IV);
preProxy = CreatePreProxy();
byte[] encSymKey = preProxy.Encrypt(this.masterPublicKey, encryptionInfo.Key);
byte[] name = SymmetricEncryptor.Encrypt(Path.GetFileName(this.labelUploadData.Text).GetBytes(), encryptionInfo);
DataEntity entity = new DataEntity();
entity.Attributes = CollectAndEncryptAttributes(encryptionInfo);
entity.Payload = new FilePayload(name, fileCiphertext);
entity.AesInfo = new AesEncryptionInfo(encSymKey, encSymIv);
entity.Id = Guid.NewGuid(); // perhaps base guid on the file path??
entity.Signature = DataSigner.Sign(entity, this.userSignKeys);
IGatewayService proxy = CreateServiceProxy();
proxy.InsertData(GetUserIdentity(), entity);
MessageBox.Show("Done uploading");
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
Logger.LogError("Error preparing and uploading data to server", ex);
}
}