public EditViewFileViewModel(FileEntrySecret current, byte[] derivedPassword, int zeroBasedIndexNumber, List <string> keyIds, Action positiveAction, Action negativeAction, Action <int /* zeroBasedIndexNumber */, bool /* isNowSecure */, bool /* Was Security Modified */, string /* Key identifier */> edit) { this.KeyIdentifiers = new ObservableCollection <string>(); foreach (string keyIdentifier in keyIds) { this.KeyIdentifiers.Add(keyIdentifier); } if (keyIds.Count > 0) { this.SelectedKeyIdentifier = keyIds[0]; } this.onPositiveClose = positiveAction; this.onNegativeClose = negativeAction; this.editFile = edit; this.currentFileEntrySecret = current; this.derivedPassword = derivedPassword; this.zeroBasedIndexNumber = zeroBasedIndexNumber; this.wasOriginallySecret = true; this.IsSecret = true; this.Filename = currentFileEntrySecret.GetFilename(this.derivedPassword); }
public void DeepCopyTest() { // Arrange byte[] derivedKey = new byte[16] { 111, 222, 31, 4, 5, 6, 1, 82, 93, 102, 112, 120, 103, 104, 15, 16 }; byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xfb, 0x13, 0xaa, 0xf5, 0x36, 0xbb, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR); string filename = "nic2e.pdf"; byte[] fileContent = new byte[] { 1, 2, 3, 1, 2, byte.MaxValue, 0, 0, 0, 0, 0, 0, 23, 34, 33, 22, 222, 111 }; FileEntry fe = new FileEntry(filename, fileContent); FileEntrySecret fes = new FileEntrySecret(fe, "does not matter", skaAES_CTR, derivedKey); // Act FileEntrySecret fesCopy = new FileEntrySecret(fes); string filenameInCopy = fesCopy.GetFilename(derivedKey); // Assert Assert.IsFalse(string.IsNullOrEmpty(filenameInCopy)); Assert.AreEqual(filename, filenameInCopy); Assert.AreNotSame(fes.audalfData, fesCopy.audalfData, "AUDALF byte arrays should be in different memory locations"); CollectionAssert.AreEqual(fes.keyIdentifier, fesCopy.keyIdentifier); Assert.AreNotSame(fes.keyIdentifier, fesCopy.keyIdentifier, "Key identifier byte arrays should be in different memory locations"); Assert.AreEqual(fes.checksum, fesCopy.checksum); }
public void GetFileEntryTest() { // Arrange byte[] derivedKey = new byte[16] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }; byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR); string filename = "ni12ce.pdf"; byte[] fileContent = new byte[] { 1, 2, 32, 11, 2, byte.MaxValue, 0, 0, 2, 34, 45, 0, 0, 0, 0 }; FileEntry fe = new FileEntry(filename, fileContent); FileEntrySecret fes = new FileEntrySecret(fe, "does not matter", skaAES_CTR, derivedKey); // Act FileEntry feCopy = fes.GetFileEntry(derivedKey); // Assert Assert.IsTrue(ComparisonHelper.AreFileEntriesEqual(fe, feCopy)); Assert.AreEqual(fe.creationTime, feCopy.creationTime); Assert.AreEqual(fe.modificationTime, feCopy.modificationTime); }
public void SetFileContentTest() { // Arrange byte[] derivedKey = new byte[16] { 111, 222, 31, 4, 5, 6, 7, 8, 98, 10, 11, 12, 131, 104, 15, 16 }; SymmetricKeyAlgorithm ska = SymmetricKeyAlgorithm.GenerateNew(SymmetricEncryptionAlgorithm.AES_CTR); string filename = "backup.zip"; byte[] fileContent = Encoding.UTF8.GetBytes("peace, happiness, freedom and something..."); FileEntry fileEntry = new FileEntry(filename, fileContent); FileEntrySecret fes = new FileEntrySecret(fileEntry, "does not matter", ska, derivedKey); byte[] fileContent1 = Encoding.UTF8.GetBytes("this is a wrong backup for this situation"); // Act bool shouldBeTrue = fes.SetFileContent(fileContent1, derivedKey); byte[] fileContent2 = fes.GetFileContent(derivedKey); bool shouldBeFalse = fes.SetFileContent(fileContent1, new byte[] { 1, 2, 3 }); // Assert Assert.IsTrue(shouldBeTrue); Assert.IsFalse(shouldBeFalse); CollectionAssert.AreEqual(fileContent1, fileContent2); }
public void ChecksumSurvivesRoundtrip() { // Arrange byte[] derivedKey = new byte[16] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 255 }; byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR); string filename = "nice.pdf"; byte[] fileContent = new byte[] { 1, 2, 3, 1, 2, byte.MaxValue, 0, 0, 0, 0, 0, 0 }; FileEntry fe = new FileEntry(filename, fileContent); FileEntrySecret fes1 = new FileEntrySecret(fe, "does not matter", skaAES_CTR, derivedKey); // Act string checksum1 = fes1.GetChecksumAsHex(); string json = JsonConvert.SerializeObject(fes1, Formatting.Indented); FileEntrySecret fes2 = JsonConvert.DeserializeObject <FileEntrySecret>(json); // Assert Assert.AreEqual(64, checksum1.Length); Assert.AreEqual(checksum1, fes2.GetChecksumAsHex()); }
public void GetKeyIdentifierTest() { // Arrange byte[] derivedKey = new byte[16] { 111, 222, 31, 47, 25, 138, 78, 83, 111, 110, 221, 18, 213, 104, 15, 16 }; byte[] initialCounter = new byte[] { 0xa0, 0xb1, 0xcb, 0xcd, 0xaa, 0xc5, 0x13, 0xb5, 0x58, 0x59, 0x13, 0x2b, 0x33, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 256, settingsAES_CTR); string keyIdentifier = "primary"; string filename = "nice.pdf"; byte[] fileContent = new byte[] { 1, 2, 3, 1, 2, byte.MaxValue, 0, 0, 0, 0, 0, 0 }; FileEntry fe = new FileEntry(filename, fileContent); // Act FileEntrySecret fes = new FileEntrySecret(fe, keyIdentifier, skaAES_CTR, derivedKey); // Assert Assert.AreEqual(keyIdentifier, fes.GetKeyIdentifier()); }
public void CanBeDecryptedWithDerivedPassword() { byte[] derivedKey1 = new byte[16] { 111, 222, 36, 47, 75, 168, 78, 13, 61, 118, 221, 18, 213, 104, 15, 16 }; byte[] derivedKey2 = new byte[16] { 111, 222, 36, 47, 75, 168, 78, 13, 61, 118, 221, 18, 213, 104, 15, 15 }; byte[] initialCounter = new byte[] { 0xa7, 0xb1, 0xcb, 0xcd, 0xaa, 0xc5, 0xd3, 0xb5, 0x58, 0x51, 0x95, 0x2b, 0x33, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 256, settingsAES_CTR); string keyIdentifier = "primary"; string filename = "nice.pdf"; byte[] fileContent = new byte[] { 1, 2, 3, 100, 222, 1, 2, byte.MaxValue, 0, 0, 0, 0, 0, 0 }; FileEntry fe = new FileEntry(filename, fileContent); // Act FileEntrySecret fes = new FileEntrySecret(fe, keyIdentifier, skaAES_CTR, derivedKey1); // Assert Assert.IsTrue(fes.CanBeDecryptedWithDerivedPassword(derivedKey1)); Assert.IsFalse(fes.CanBeDecryptedWithDerivedPassword(null)); Assert.IsFalse(fes.CanBeDecryptedWithDerivedPassword(new byte[] {})); Assert.IsFalse(fes.CanBeDecryptedWithDerivedPassword(derivedKey2)); }
public void ConstructorTest() { // Arrange byte[] derivedKey = new byte[16] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }; byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR); Dictionary <string, object> testDictionary = new Dictionary <string, object>() { { FileEntry.filenameKey, "filename.txt" } }; FileEntrySecret fes = new FileEntrySecret(testDictionary, "does not matter", skaAES_CTR, derivedKey); // Act // Assert Assert.IsNotNull(fes); Assert.IsNotNull(fes.audalfData); }
public void GetModificationTimeTest() { // Arrange byte[] derivedKey = new byte[16] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 255 }; byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR); string filename = "nice.pdf"; byte[] fileContent = new byte[] { 1, 2, 3, 1, 2, byte.MaxValue, 0, 0, 0, 0, 0, 0 }; FileEntry fe = new FileEntry(filename, fileContent); FileEntrySecret fes = new FileEntrySecret(fe, "does not matter", skaAES_CTR, derivedKey); // Act DateTimeOffset fileEntryModificationTime1 = fes.GetModificationTime(derivedKey); Thread.Sleep(1100); fes.SetFilename("much_nicer.pdf", derivedKey); DateTimeOffset fileEntryModificationTime2 = fes.GetModificationTime(derivedKey); // Assert Assert.Greater(fileEntryModificationTime2, fileEntryModificationTime1); }
public void GetFileContentLengthInBytes() { // Arrange byte[] derivedKey = new byte[16] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 255 }; byte[] initialCounter = new byte[] { 0x40, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0x38, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR); string filename = "nice232fwf.pdf"; byte[] fileContent = new byte[] { 1, 2, 3, 1, 2, byte.MaxValue, 0, 0, 0, 0, 0, 0, 4, 5, 6, 7, 8, 9, 33, 44, 55, 66, 77 }; FileEntry fe = new FileEntry(filename, fileContent); FileEntrySecret fes = new FileEntrySecret(fe, "does not matter", skaAES_CTR, derivedKey); // Act long fileContentLength = fes.GetFileContentLengthInBytes(derivedKey); // Assert Assert.AreEqual(fileContent.LongLength, fileContentLength); }
public void GetFileContentTest() { // Arrange byte[] derivedKey = new byte[16] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 255 }; byte[] initialCounter = new byte[] { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; SettingsAES_CTR settingsAES_CTR = new SettingsAES_CTR(initialCounter); SymmetricKeyAlgorithm skaAES_CTR = new SymmetricKeyAlgorithm(SymmetricEncryptionAlgorithm.AES_CTR, 128, settingsAES_CTR); string filename = "nice.pdf"; byte[] fileContent = new byte[] { 1, 2, 3, 1, 2, byte.MaxValue, 0, 0, 0, 0, 0, 0 }; FileEntry fe = new FileEntry(filename, fileContent); FileEntrySecret fes = new FileEntrySecret(fe, "does not matter", skaAES_CTR, derivedKey); // Act byte[] rtFileContent = fes.GetFileContent(derivedKey); // Assert CollectionAssert.AreEqual(fileContent, rtFileContent); }
private void EditFileInCollection(int zeroBasedIndexNumber, bool isNowSecure, bool wasSecurityModified, string keyIdentifier) { if (wasSecurityModified) { // If file jumps from secure <-> unsecure if (isNowSecure) { this.csc.AddFileEntrySecret(this.derivedPasswords[keyIdentifier], this.csc.files[zeroBasedIndexNumber], keyIdentifier); this.csc.files.RemoveAt(zeroBasedIndexNumber); } else { FileEntrySecret fes = this.csc.fileSecrets[zeroBasedIndexNumber]; byte[] derivedPassword = derivedPasswords[fes.GetKeyIdentifier()]; FileEntry tempFileEntry = new FileEntry(fes.GetFilename(derivedPassword), fes.GetFileContent(derivedPassword)); this.csc.fileSecrets.RemoveAt(zeroBasedIndexNumber); this.csc.files.Add(tempFileEntry); } } else { if (isNowSecure) { // TODO: support key change } } // Editing a file modifies the structure this.isModified = true; this.UpdateMainTitle(this.filePath != null ? this.filePath : untitledTempName); this.GenerateFileSimplifiedsFromCommonSecrets(); }
public EditViewFileWindow(FileEntrySecret current, byte[] derivedPassword, int zeroBasedIndexNumber, List <string> keyIdentifiers, Action <int /* zeroBasedIndexNumber */, bool /* isNowSecure */, bool /* Was Security Modified */, string /* Key identifier */> editFile) { InitializeComponent(); DataContext = new EditViewFileViewModel(current, derivedPassword, zeroBasedIndexNumber, keyIdentifiers, EditClose, CancelClose, editFile); }
public static bool AreFileEntrySecretsEqual(FileEntrySecret fileEntrySecret1, FileEntrySecret fileEntrySecret2) { return(StructuralComparisons.StructuralEqualityComparer.Equals(fileEntrySecret1.audalfData, fileEntrySecret2.audalfData) && AreSymmetricKeyAlgorithmsEqual(fileEntrySecret1.algorithm, fileEntrySecret2.algorithm)); }