public PortableData Create()
{
// 1. Decrypt stream
ExportDataEncryptor decryptor =
new ExportDataEncryptor(dataStream);
using (MemoryStream decrypted = new MemoryStream())
{
decryptor.Decrypt(decrypted);
decrypted.Position = 0;
// 2. Decompress stream
ExportDataCompressor decompressor =
new ExportDataCompressor(decrypted);
using (MemoryStream decompressed = new MemoryStream())
{
decompressor.Decompress(decompressed);
decompressed.Position = 0;
// 3. Deserialize stream
PsaTracesSerializer deserializer =
new PsaTracesSerializer();
PortableData result = deserializer.Deserialize(decompressed);
return(result);
}
}
}
public void TestEncryptionDecryption()
{
FileStream inFile = new FileStream("Encryption/TextFile.txt",
FileMode.Open);
ExportDataEncryptor encryptor = new ExportDataEncryptor(inFile);
MemoryStream encrypted = new MemoryStream();
encryptor.Encrypt(encrypted);
encrypted.Flush();
encrypted.Position = 0;
BinaryReader rdrEncr = new BinaryReader(encrypted);
byte[] encrBytes = new byte[encrypted.Length];
for (int i = 0; i < encrypted.Length; i++)
{
encrBytes[i] = rdrEncr.ReadByte();
}
//Assert.IsFalse( == "secret service");
encrypted.Position = 0;
ExportDataEncryptor decryptor = new ExportDataEncryptor(encrypted);
MemoryStream decrypted = new MemoryStream();
decryptor.Decrypt(decrypted);
decrypted.Position = 0;
StreamReader rdrDecr = new StreamReader(decrypted);
string decrStr = rdrDecr.ReadToEnd();
Assert.IsTrue(decrStr.Contains("<tag1>vaue1</tag1>"));
}
public static PortableData Import(string vtsFilePathname)
{
if (String.IsNullOrEmpty(vtsFilePathname))
{
throw new ArgumentNullException("vtsFilePathname");
}
if (!File.Exists(vtsFilePathname))
{
throw new ArgumentException(".VTS File does not exist.");
}
PortableData result;
using (FileStream file = new FileStream(vtsFilePathname,
FileMode.Open,
FileAccess.Read,
FileShare.ReadWrite))
{
file.Position = 0;
ExportDataEncryptor decryptor = new ExportDataEncryptor(file);
using (MemoryStream decryptedFile = new MemoryStream())
{
decryptor.Decrypt(decryptedFile);
//decryptedFile.Position = 0;
ExportDataCompressor decompressor =
new ExportDataCompressor(decryptedFile);
using (MemoryStream decompressed = new MemoryStream())
{
decompressor.Decompress(decompressed);
decompressed.Position = 0;
PsaTracesSerializer deserializer = new PsaTracesSerializer();
result = deserializer.Deserialize(decompressed);
}
}
}
return(result);
}