public void GenerationTest()
{
var hash = RawInput.ComputeHash();
var dateString = DateNow.ToString("ddMMyyyy");
var hashAndProductAndDate = InsertProductAndDate(NUnit3Product + dateString, Nunit3PosArray, hash);
var guidSalt = FileHelper.GetGuid();
var elb = ReversibleEncryption.Encrypt(PublicKey, hashAndProductAndDate + guidSalt);
var writableLicence = elb.AsHex();
//Start undoing what we did
var elbAfterAsHexAsBytes = writableLicence.AsBytes();
Assert.That(StructuralComparisons.StructuralEqualityComparer.Equals(elb, elbAfterAsHexAsBytes));
var decryptedLicenceBytes = ReversibleEncryption.Decrypt(PublicKey, elbAfterAsHexAsBytes);
Assert.That(decryptedLicenceBytes.Equals(hashAndProductAndDate + guidSalt));
var restoredHashAndProductAndDate = decryptedLicenceBytes.Remove(decryptedLicenceBytes.Length - 36);
Assert.That(restoredHashAndProductAndDate.Equals(hashAndProductAndDate));
var restoredHash = ExtractProductAndDate(Nunit3PosArray, restoredHashAndProductAndDate);
Assert.That(restoredHash[1].Equals(hash));
Assert.That(restoredHash[0].Equals(NUnit3Product + dateString));
}
/// <summary>
/// Gets the password associated with the PDFDocument. Returns null if there is no associated password.
/// </summary>
/// <param name="pdf_document"></param>
/// <returns></returns>
public string GetPassword(PDFDocument pdf_document)
{
if (Passwords.ContainsKey(pdf_document.Fingerprint))
{
ReversibleEncryption re = new ReversibleEncryption();
return(re.DecryptString(Passwords[pdf_document.Fingerprint]));
}
else
{
return(null);
}
}
public void LicenceStringIsValidContent()
{
const string licence = "0C01614ADE00BC13BEFF530C5D93E1B10CD917B35FE98A94BA7738159BEC679ACF0C5C68D5C7F1AB91AA85D5E8CA37345B291547E76A5147D615EF23C25422D269F8A202F7EBE394D83292F764CFA83C7D994D02DA6A278BE7F2A7A869947D99F2B32A6E4FC3A8713E755339E8DE357FB86E6883645BA37DB8E16170B4B24308";
var writtenActivationKeyGS = ReversibleEncryption.Decrypt(PublicKey, licence.AsSauceryBytes());
var writtenGS = writtenActivationKeyGS.ExtractGuidSalt();
const string expectedGuidSalt = "d010fe00-bd6a-4c94-85ff-da9ba45b769d";
var sauceryActivationKey = writtenActivationKeyGS.Remove(writtenActivationKeyGS.Length - 36);
Assert.That(Hasher.ProductAndDateIsValid(sauceryActivationKey) &&
StringComparer.OrdinalIgnoreCase.Compare(expectedGuidSalt, writtenGS) == 0);
}
/// <summary>
/// Gets the password associated with the PDFDocument. Returns null if there is no associated password.
/// </summary>
/// <param name="pdf_document"></param>
/// <returns></returns>
public string GetPassword(PDFDocument_ThreadUnsafe pdf_document)
{
string fingerprint = pdf_document.Fingerprint;
if (Passwords.ContainsKey(fingerprint))
{
ReversibleEncryption re = new ReversibleEncryption();
return(re.DecryptString(Passwords[fingerprint]));
}
else
{
return(null);
}
}
public void AcceptanceTest()
{
const string rawInput = Name + Company + Email;
var dateNowString = DateTime.Now.ToString("ddMMyyyy");
var productAndDate = NUnit3Product + dateNowString;
var activationKey = InsertProductAndDate(productAndDate, Nunit3PosArray, rawInput.ComputeHash());
const string myGuid = "d010fe00-bd6a-4c94-85ff-da9ba45b769d";
Assert.That(Hasher.VerifyIdentity(rawInput, activationKey));
var encryptedLicenceBytes = ReversibleEncryption.Encrypt(PublicKey, activationKey + myGuid);
var writableLicence = encryptedLicenceBytes.AsHex();
Assert.That(FileHelper.LicenceStringIsValidContent(writableLicence));
}
// ------------------------------------------------------------------------------------------------------------
/// <summary>
/// Associates a password with the PDFDocument.
/// Pass in numm or empty string to clear the password.
/// </summary>
/// <param name="pdf_document"></param>
/// <param name="password"></param>
public void AddPassword(PDFDocument pdf_document, string password)
{
if (null == pdf_document)
{
Logging.Warn("Can't associate a password with a null PDFDocument.");
}
if (String.IsNullOrEmpty(password))
{
RemovePassword(pdf_document);
}
else
{
ReversibleEncryption re = new ReversibleEncryption();
Passwords[pdf_document.Fingerprint] = re.EncryptString(password);
WritePasswordFile(Filename_Store, Passwords);
}
}
