public static void CryptoAPI(int keySize, int quantity, int timeout, bool onlyExtractPQ)
{
string filename = FileDialogs.SaveDialog();
if (filename == null)
{
return;
}
if (keySize % 8 != 0)
{
MessageBox.Show("The key size must be a multiple of 8.", "Key size error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
StringBuilder fileBuilder = new StringBuilder();
bool onlyPrimes = onlyExtractPQ;
try
{
if (!onlyPrimes)
{
File.AppendAllText(filename, $"<{ElementKeys}>");
}
// Timeout
DateTime quitTime = DateTime.Now.Add(TimeSpan.FromSeconds(timeout));
int counter = 0;
int writeSize = 409600;
while (counter++ < quantity)
{
if (DateTime.Now > quitTime)
{
break;
}
fileBuilder.AppendLine(onlyPrimes ? string.Join(Environment.NewLine, PrivateKeySerializer.GetPrivateKeyPQ(keySize)) : PrivateKeySerializer.GetPrivateKey(keySize));
if (fileBuilder.Length > writeSize)
{
File.AppendAllText(filename, fileBuilder.ToString());
fileBuilder.Clear();
}
}
}
finally
{
if (fileBuilder != null && fileBuilder.Length > 0)
{
File.AppendAllText(filename, fileBuilder.ToString());
}
if (!onlyPrimes)
{
File.AppendAllText(filename, $"</{ElementKeys}>");
}
}
}
public void Begin()
{
if (CancelToken.IsCancellationRequested)
{
return;
}
FilePaths = SearchExtensions.SelectMany(searchPattern => Directory.EnumerateFiles(SearchDirectory, searchPattern, SearchOption.TopDirectoryOnly));
//FilePaths = Directory.EnumerateFiles(SearchDirectory, SearchExtension, SearchOption.TopDirectoryOnly);
if (FilePaths == null)
{
throw new Exception("No files to process!");
}
byte[] bytes = new byte[] { };
ANS1PrivateKey ans1Key = null;
StringBuilder output = new StringBuilder();
List <string> filesToDelete = new List <string>();
IEnumerable <string> pathBatch = FilePaths.Take(BatchSize);
while (pathBatch.Any() && !CancelToken.IsCancellationRequested)
{
foreach (string file in pathBatch)
{
bytes = GetEncodedBytes(file);
if (bytes == null)
{
continue;
}
else if (bytes == EmptyByteArray)
{
if (DeleteFiles)
{
filesToDelete.Add(file);
}
}
using (ans1Key = new ANS1PrivateKey(bytes))
{
ans1Key.ParseBuffer();
EncodingUtility.AssertValidRSAPrivateKey(ans1Key);
if (ExportOnlyPQ)
{
PrivateKeySerializer.WritePQDocument(output, ans1Key);
}
else
{
PrivateKeySerializer.WriteXMLDocument(output, ans1Key);
}
bytes = null;
if (DeleteFiles)
{
filesToDelete.Add(file);
}
}
}
File.AppendAllText(OutputFilename, output.ToString());
output.Clear();
bytes = null;
if (DeleteFiles && filesToDelete.Any())
{
foreach (string file in filesToDelete)
{
File.Delete(file);
}
filesToDelete.Clear();
}
FilePaths = FilePaths.Skip(BatchSize);
pathBatch = FilePaths.Take(BatchSize);
}
}