public void Workflow() { #region Arrange var testData = new { Iv = Random.CreateData(RawFileAccessor.Positions[RawFileAccessor.Field.InitializationVector].length), Hmac = Random.CreateData(RawFileAccessor.Positions[RawFileAccessor.Field.Hmac].length), Version = Random.CreateData(RawFileAccessor.Positions[RawFileAccessor.Field.Version].length), Data = Random.CreateData(1024), MetaInformation = new MetaInformation { PasswordDerivationSettings = PasswordDerivationSettings.Create(), EllipticCurveEncryptionInformation = null, SecretInformationEncrypted = Random.CreateData(8) } }; using (var stream = File.Open(this.OutputFile, FileMode.OpenOrCreate)) { RawFileAccessor.Init(stream); RawFileAccessor.WriteMeta(stream, testData.MetaInformation); RawFileAccessor.SeekToMainData(stream); new MemoryStream(testData.Data).CopyTo(stream); RawFileAccessor.Write(stream, testData.Iv, RawFileAccessor.Field.InitializationVector); RawFileAccessor.Write(stream, testData.Hmac, RawFileAccessor.Field.Hmac); } #endregion #region Act byte[] iv; byte[] hmac; byte[] data; MetaInformation metaInformation; using (var stream = File.Open(this.OutputFile, FileMode.OpenOrCreate)) { metaInformation = RawFileAccessor.ReadMeta(stream); iv = RawFileAccessor.Read(stream, RawFileAccessor.Field.InitializationVector); hmac = RawFileAccessor.Read(stream, RawFileAccessor.Field.Hmac); RawFileAccessor.SeekToMainData(stream); var ms = new MemoryStream(); stream.CopyTo(ms); ; data = ms.ToArray(); } #endregion #region Assert Assert.That(iv, Is.EquivalentTo(testData.Iv)); Assert.That(hmac, Is.EquivalentTo(testData.Hmac)); Assert.That(data, Is.EquivalentTo(testData.Data)); Assert.That(JsonConvert.SerializeObject(metaInformation), Is.EquivalentTo(JsonConvert.SerializeObject(testData.MetaInformation))); #endregion }
public void FileformatHelper_MemoryStream() { #region Arrange var secret = Encryption.Random.CreateData(512 / 8); var data = Guid.NewGuid().ToByteArray(); #endregion #region Act byte[] encryptedData = null; using (var input = new MemoryStream(data)) using (var output = new MemoryStream()) { SymmetricEncryption.EncryptInternal(input, output, secret); encryptedData = output.ToArray(); } Console.Out.WriteLine("Encrypted content: " + Convert.ToBase64String(File.ReadAllBytes(this.OutputFile))); byte[] iv; byte[] hmac; using (var input = new MemoryStream(encryptedData)) { iv = RawFileAccessor.Read(input, RawFileAccessor.Field.InitializationVector); hmac = RawFileAccessor.Read(input, RawFileAccessor.Field.Hmac); } #endregion #region Assert Assert.That(iv, Is.Not.Null); Assert.That(hmac, Is.Not.Null); Assert.That(iv, Has.Length.EqualTo(128 / 8)); Assert.That(hmac, Has.Length.EqualTo(512 / 8)); Assert.That(iv, Has.Some.Not.EqualTo(0)); Assert.That(hmac, Has.Some.Not.EqualTo(0)); #endregion }
public void SeekToMainDataWithData() { using (var stream = File.OpenWrite(this.OutputFile)) { foreach (var value in RawFileAccessor.Positions.Keys) { var inputData = Random.CreateData(RawFileAccessor.Positions[value].length); RawFileAccessor.Write(stream, inputData, value); } } var metaInformation = new MetaInformation { PasswordDerivationSettings = PasswordDerivationSettings.Create(), EllipticCurveEncryptionInformation = null, SecretInformationEncrypted = Random.CreateData(1024) }; using (var output = File.OpenWrite(this.OutputFile)) { RawFileAccessor.WriteMeta(output, metaInformation); } int metaPosition = 0; using (var output = File.OpenRead(this.OutputFile)) { var data = RawFileAccessor.Read(output, RawFileAccessor.Field.MetaLength); metaPosition = BitConverter.ToInt32(data, 0); } long position = 0; using (var stream = File.OpenRead(this.OutputFile)) { RawFileAccessor.SeekToMainData(stream); position = stream.Position; } var sum = RawFileAccessor.Positions.Sum(pair => pair.Value.length); Assert.That(position, Is.EqualTo(sum + metaPosition)); }
public void Read_FileStream(string name) { var field = (RawFileAccessor.Field)Enum.Parse(typeof(RawFileAccessor.Field), name); var inputData = Random.CreateData(RawFileAccessor.Positions[field].length); using (var stream = File.OpenWrite(this.OutputFile)) { RawFileAccessor.Write(stream, inputData, field); } byte[] readData; using (var stream = File.OpenRead(this.OutputFile)) { readData = RawFileAccessor.Read(stream, field); } Assert.That(inputData, Is.EquivalentTo(readData)); }
public void FileformatHelper_FileStream() { #region Arrange var secret = Encryption.Random.CreateData(512 / 8); #endregion #region Act using (var input = File.OpenRead(this.InputFile)) using (var output = File.Open(this.OutputFile, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)) { SymmetricEncryption.EncryptInternal(input, output, secret); } Console.Out.WriteLine("Encrypted content: " + Convert.ToBase64String(File.ReadAllBytes(this.OutputFile))); byte[] iv; byte[] hmac; using (var input = File.OpenRead(this.OutputFile)) { iv = RawFileAccessor.Read(input, RawFileAccessor.Field.InitializationVector); hmac = RawFileAccessor.Read(input, RawFileAccessor.Field.Hmac); } #endregion #region Assert Assert.That(iv, Is.Not.Null); Assert.That(hmac, Is.Not.Null); Assert.That(iv, Has.Length.EqualTo(128 / 8)); Assert.That(hmac, Has.Length.EqualTo(512 / 8)); Assert.That(iv, Has.Some.Not.EqualTo(0)); Assert.That(hmac, Has.Some.Not.EqualTo(0)); #endregion }
public void Read_MemoryStream(string name) { var field = (RawFileAccessor.Field)Enum.Parse(typeof(RawFileAccessor.Field), name); var inputData = Random.CreateData(RawFileAccessor.Positions[field].length); MemoryStream inputStream; using (inputStream = new MemoryStream()) { RawFileAccessor.Write(inputStream, inputData, field); } byte[] readData; using (var stream = new MemoryStream(inputStream.ToArray())) { readData = RawFileAccessor.Read(stream, field); } Assert.That(inputData, Is.EquivalentTo(readData)); }
public void EncryptInternal_FileStream() { var data = Guid.NewGuid().ToByteArray(); var secret = Random.CreateData(512 / 8); using (var output = File.Open(this.OutputFile, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)) { SymmetricEncryption.EncryptInternal(new MemoryStream(data), output, secret); } var newStream = File.OpenRead(this.OutputFile); Assert.That(RawFileAccessor.Verify(newStream)); var iv = RawFileAccessor.Read(newStream, RawFileAccessor.Field.InitializationVector); Assert.That(iv, Has.Some.Not.EqualTo(0), "InitializationVector"); var hmac = RawFileAccessor.Read(newStream, RawFileAccessor.Field.Hmac); Assert.That(hmac, Has.Some.Not.EqualTo(0), "Hmac"); }
public void EncryptInternal_MemoryStream() { var data = Guid.NewGuid().ToByteArray(); var secret = Random.CreateData(512 / 8); MemoryStream newStream; using (var encrypted = new MemoryStream()) { SymmetricEncryption.EncryptInternal(new MemoryStream(data), encrypted, secret); newStream = new MemoryStream(encrypted.ToArray()); } Assert.That(RawFileAccessor.Verify(newStream), "verify file signature"); var iv = RawFileAccessor.Read(newStream, RawFileAccessor.Field.InitializationVector); Assert.That(iv, Has.Some.Not.EqualTo(0), "InitializationVector"); var hmac = RawFileAccessor.Read(newStream, RawFileAccessor.Field.Hmac); Assert.That(hmac, Has.Some.Not.EqualTo(0), "Hmac"); }