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());
}
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();
}