public void SecureFile_Stream_LargeContent()
{
string privateKey = AsymmetricCrypto.CreatePrivateKey(CryptoAlgorithm.RSA, 1024);
string publicKey = AsymmetricCrypto.GetPublicKey(CryptoAlgorithm.RSA, privateKey);
EnhancedMemoryStream original = new EnhancedMemoryStream();
EnhancedMemoryStream encrypted = new EnhancedMemoryStream();
EnhancedMemoryStream decrypted = new EnhancedMemoryStream();
SecureFile secure = null;
for (int i = 0; i < 128000; i++)
{
original.WriteByte((byte)i);
}
secure = new SecureFile(original, SecureFileMode.Encrypt, publicKey);
original.Position = 0;
secure.EncryptTo(encrypted, CryptoAlgorithm.AES, 256);
secure.Close();
secure = null;
encrypted.Position = 0;
secure = new SecureFile(encrypted, SecureFileMode.Decrypt, privateKey);
secure.DecryptTo(decrypted);
secure.Close();
secure = null;
original.Position = 0;
encrypted.Position = 0;
CollectionAssert.AreNotEqual(original.ReadBytesToEnd(), encrypted.ReadBytesToEnd());
original.Position = 0;
decrypted.Position = 0;
CollectionAssert.AreEqual(original.ReadBytesToEnd(), decrypted.ReadBytesToEnd());
}
public void SecureFile_Stream_NoContent()
{
string privateKey = AsymmetricCrypto.CreatePrivateKey(CryptoAlgorithm.RSA, 1024);
string publicKey = AsymmetricCrypto.GetPublicKey(CryptoAlgorithm.RSA, privateKey);
EnhancedMemoryStream original = new EnhancedMemoryStream();
EnhancedMemoryStream encrypted = new EnhancedMemoryStream();
EnhancedMemoryStream decrypted = new EnhancedMemoryStream();
SecureFile secure = null;
secure = new SecureFile(original, SecureFileMode.Encrypt, publicKey);
original.Position = 0;
secure.EncryptTo(encrypted, CryptoAlgorithm.AES, 256);
secure.Close();
secure = null;
original.Position = 0;
encrypted.Position = 0;
Assert.AreNotEqual(original.ReadBytesToEnd(), encrypted.ReadBytesToEnd());
encrypted.Position = 0;
secure = new SecureFile(encrypted, SecureFileMode.Decrypt, privateKey);
secure.DecryptTo(decrypted);
secure.Close();
secure = null;
Assert.AreEqual(0, decrypted.Length);
}
public void SecureFile_Stream_Metadata()
{
string privateKey = AsymmetricCrypto.CreatePrivateKey(CryptoAlgorithm.RSA, 1024);
string publicKey = AsymmetricCrypto.GetPublicKey(CryptoAlgorithm.RSA, privateKey);
EnhancedMemoryStream original = new EnhancedMemoryStream();
EnhancedMemoryStream encrypted = new EnhancedMemoryStream();
EnhancedMemoryStream decrypted = new EnhancedMemoryStream();
SecureFile secure = null;
DateTime createTime = Helper.UtcNowRounded - TimeSpan.FromMinutes(1);
DateTime writeTime = Helper.UtcNowRounded;
secure = new SecureFile(original, SecureFileMode.Encrypt, publicKey);
secure.Properties["Foo"] = "Bar";
secure.Properties["Hello"] = "World";
secure.FileName = "Test.dat";
secure.FullPath = "c:\\test\\test.dat";
secure.CreateTimeUtc = createTime;
secure.WriteTimeUtc = writeTime;
original.Position = 0;
secure.EncryptTo(encrypted, CryptoAlgorithm.AES, 256);
secure.Close();
secure = null;
original.Position = 0;
encrypted.Position = 0;
Assert.AreNotEqual(original.ReadBytesToEnd(), encrypted.ReadBytesToEnd());
encrypted.Position = 0;
secure = new SecureFile(encrypted, SecureFileMode.Decrypt, privateKey);
secure.DecryptTo(decrypted);
Assert.AreEqual("Bar", secure.Properties["Foo"]);
Assert.AreEqual("World", secure.Properties["Hello"]);
Assert.AreEqual("Test.dat", secure.FileName);
Assert.AreEqual("c:\\test\\test.dat", secure.FullPath);
Assert.AreEqual(createTime, secure.CreateTimeUtc);
Assert.AreEqual(writeTime, secure.WriteTimeUtc);
secure.Close();
secure = null;
Assert.AreEqual(0, decrypted.Length);
}
