public static void Write_Signature(string file, string signature, int RSAKeyLength, HashingMode mode)
{
var streamWriter = new StreamWriter(Program.Direktorij + file);
streamWriter.WriteLine("---BEGIN OS 2 CRYPTO DATA---");
streamWriter.WriteLine();
streamWriter.WriteLine("Description");
streamWriter.WriteLine(" Singature");
streamWriter.WriteLine();
streamWriter.WriteLine("File name:");
var breadCrumbs = file.Split('\\');
streamWriter.WriteLine(" " + breadCrumbs[breadCrumbs.Length - 1]);
streamWriter.WriteLine();
streamWriter.WriteLine("Method:");
int hashLenght;
if (mode == HashingMode.SHA_1)
{
streamWriter.WriteLine(" SHA-1");
hashLenght = 160;
}
else if (mode == HashingMode.SHA_2_256)
{
streamWriter.WriteLine(" SHA-2 (256)");
hashLenght = 256;
}
else
{
streamWriter.WriteLine(" SHA-2 (512)");
hashLenght = 512;
}
streamWriter.WriteLine(" RSA");
streamWriter.WriteLine();
streamWriter.WriteLine("Key length:");
streamWriter.WriteLine(" " + HelperFunctions.FromIntToHex(hashLenght));
streamWriter.WriteLine(" " + HelperFunctions.FromIntToHex(RSAKeyLength));
streamWriter.WriteLine();
streamWriter.WriteLine("Signature:");
var NumLines = (double)signature.Length / 60;
if (Math.Truncate(NumLines) < NumLines)
{
NumLines++;
}
for (var i = 0; i < Math.Truncate(NumLines); i++)
{
if (signature.Length - i * 60 < 60)
{
streamWriter.WriteLine(" " + signature.Substring(i * 60, signature.Length - i * 60));
}
else
{
streamWriter.WriteLine(" " + signature.Substring(i * 60, 60));
}
}
streamWriter.WriteLine();
streamWriter.WriteLine("---END OS2 CRYPTO DATA---");
streamWriter.Close();
}
public static void Write_Envelope(string file, HelperClasses.Envelope envelope, int symetricAlgorithmKeyLenght, int RSAKeyLength, SymetricAlgorithm algorithm)
{
var streamWriter = new StreamWriter(Program.Direktorij + file);
streamWriter.WriteLine("---BEGIN OS 2 CRYPTO DATA---");
streamWriter.WriteLine();
streamWriter.WriteLine("Description");
streamWriter.WriteLine(" Envelope");
streamWriter.WriteLine();
streamWriter.WriteLine("File name:");
var breadCrumbs = file.Split('\\');
streamWriter.WriteLine(" " + breadCrumbs[breadCrumbs.Length - 1]);
streamWriter.WriteLine();
streamWriter.WriteLine("Method:");
streamWriter.WriteLine(algorithm == SymetricAlgorithm.AES ? " AES" : " 3DES");
streamWriter.WriteLine(" RSA");
streamWriter.WriteLine();
streamWriter.WriteLine("Key length:");
streamWriter.WriteLine(" " + HelperFunctions.FromIntToHex(symetricAlgorithmKeyLenght));
streamWriter.WriteLine(" " + HelperFunctions.FromIntToHex(RSAKeyLength));
streamWriter.WriteLine();
streamWriter.WriteLine("Envelope data:");
var NumLines = (double)envelope.Data.Length / 60;
if (Math.Truncate(NumLines) < NumLines)
{
NumLines++;
}
for (var i = 0; i < Math.Truncate(NumLines); i++)
{
if (envelope.Data.Length - i * 60 < 60)
{
streamWriter.WriteLine(" " + envelope.Data.Substring(i * 60, envelope.Data.Length - i * 60));
}
else
{
streamWriter.WriteLine(" " + envelope.Data.Substring(i * 60, 60));
}
}
streamWriter.WriteLine();
streamWriter.WriteLine("Envelope crypt key:");
NumLines = (double)envelope.Key.Length / 60;
if (Math.Truncate(NumLines) < NumLines)
{
NumLines++;
}
for (var i = 0; i < Math.Truncate(NumLines); i++)
{
if (envelope.Key.Length - i * 60 < 60)
{
streamWriter.WriteLine(" " + envelope.Key.Substring(i * 60, envelope.Key.Length - i * 60));
}
else
{
streamWriter.WriteLine(" " + envelope.Key.Substring(i * 60, 60));
}
}
streamWriter.WriteLine();
streamWriter.WriteLine("---END OS2 CRYPTO DATA---");
streamWriter.Close();
}
