//method to execute from outside
public void GenerateLabirynth(int _majorDimension, int _minorDimension, float _minorSize)
{
//checking if randomNumbersGenerator exist
if (randomNumbersGenerator == null)
{
GameObject rndObject = GameObject.FindGameObjectWithTag("RandomNumbersGenerator");
if (rndObject != null)
{
randomNumbersGenerator = rndObject.GetComponent <RandomNumbersGenerator>();
if (randomNumbersGenerator == null)
{
Debug.LogWarning("there is no RandomNumbersGenerator attached to found object");
return;
}
}
else
{
Debug.LogWarning("can find RandomNumbersGenerator instance");
return;
}
}
//setting up properties
majorDimension = _majorDimension;
minorDimension = _minorDimension;
minorSize = _minorSize;
cursor = new IntVector2(1, 1);
//starting thread
generator = new Thread(Generating);
generator.Start();
}
public JsonResult GetNumbers2(int x, int y)
{
RandomNumbersGenerator numberGenerator = new RandomNumbersGenerator();
var table = numberGenerator.ReturnNumbers(x, y);
return(Json(table, JsonRequestBehavior.AllowGet));
}
public void Source_should_return_values_within_range(int minValue, int maxValue)
{
using (var generator = new RandomNumbersGenerator())
{
foreach (var value in generator.Source(minValue, maxValue).Take(1000))
{
value.Should().BeGreaterOrEqualTo(minValue).And.BeLessOrEqualTo(maxValue);
}
}
}
public JsonResult GetNumbers4(int x1, int y1, int x2, int y2)
{
RandomNumbersGenerator numberGenerator1 = new RandomNumbersGenerator();
RandomNumbersGenerator numberGenerator2 = new RandomNumbersGenerator();
var table1 = numberGenerator1.ReturnNumbers(x1, y1);
var table2 = numberGenerator2.ReturnNumbers(x2, y2);
return(Json(new { tab1 = table1, tab2 = table2 }, JsonRequestBehavior.AllowGet));
}
public void TrueOrFalse_should_work_like_Head_Or_Tails()
{
using (var generator = new RandomNumbersGenerator())
{
const int number = 10000;
var expectation = number / 2;
uint expectedDelta = number / 50; // delta = 2%
foreach (var valueCounter in Enumerable.Range(0, number)
.Select(_ => generator.TrueOrFalse())
.GroupBy(x => x)
.Select(x => x.Count()))
{
valueCounter.Should().BeCloseTo(expectation, expectedDelta);
}
}
}
public MinorGrid(IntVector2 _position, int _minorDimension, LabirynthCell.TYPE _type, RandomNumbersGenerator _randomNumbersGenerator, int _minorRepeatChance)
{
//setting up properties
position = _position;
minorDimension = _minorDimension;
type = _type;
randomNumbersGenerator = _randomNumbersGenerator;
minorRepeatChance = _minorRepeatChance;
minorGrid = new LabirynthCell[minorDimension, minorDimension];
cursor = new IntVector2(1, 1);
//filling grid with empty cells (for objects that aren`t generated - majorWalls)
for (int y = 0; y < minorDimension; y++)
{
for (int x = 0; x < minorDimension; x++)
{
minorGrid[x, y] = new LabirynthCell(new IntVector2(x, y), LabirynthCell.TYPE.EMPTY);
}
}
}
private async void WorkAsync()
{
IsNoActionRunning = false;
try
{
#region Checks
//Check whether file id is int
if (!int.TryParse(ChosenFileId, out int FileId))
{
IsCompleted = false;
StateText = "Wrong File id!";
return;
}
//Check whether file id is correct
if ((FileId >= FilesLoaded.Count()) || (FileId < 0))
{
IsCompleted = false;
StateText = "Wrong File id!";
return;
}
if (string.IsNullOrEmpty(ChosenAction))
{
return;
}
string FilePath = string.Empty;
//Load file path
foreach (var item in FilesLoaded)
{
if (item.Id == FileId)
{
FilePath = item.FileRealName;
break;
}
}
//if file id points to empty record
if (string.IsNullOrWhiteSpace(FilePath))
{
IsCompleted = false;
StateText = "File id is wrong.";
return;
}
// if file was deleted after loading
if (!File.Exists(FilePath))
{
IsCompleted = false;
StateText = "File doesnt exist.";
return;
}
#endregion
#region Rabin
//Rabin
if (ChosenCipher == CiphersList[0])
{
BigInteger p = 0;
BigInteger q = 0;
//Encrypt
if (ChosenAction == ActionsList[0])
{
//Check everything strictly because we are waiting data from user
// and not generating it
if (!IsKeysAutoGenerating)
{
#region data parsing
if (!BigInteger.TryParse(SecretKeyParam1, out p))
{
StateText = "Wrong first secret key parameter .";
IsCompleted = false;
return;
}
if (!BigInteger.TryParse(SecretKeyParam2, out q))
{
StateText = "Wrong second secret key parameter .";
IsCompleted = false;
return;
}
if ((!p.CheckIfPrime()) || (!q.CheckIfPrime()))
{
StateText = "One of two numbers was not prime";
IsCompleted = false;
return;
}
if ((p % 4 != 3) || (q % 4 != 3))
{
StateText = "p and q mod 4 must be equal to 3.";
return;
}
if (p == q)
{
StateText = "Secret key values must differ.";
IsCompleted = false;
return;
}
#endregion
}
//if user've chosen to generate keys automatically, generate them now.
if (IsKeysAutoGenerating)
{
#region Key generation
p = RandomNumbersGenerator.GenerateBlumPrime(defaultKeyLength);
q = RandomNumbersGenerator.GenerateBlumPrime(defaultKeyLength);
if (p < 0)
{
p = -p;
}
if (q < 0)
{
q = -q;
}
CredentialsText = "p : " + p.ToString()
+ Environment.NewLine + "q: " + q.ToString()
+ Environment.NewLine + "Public key is: " +
(p * q).ToString();
#endregion
}
bool result = false;
result = RabinInstance.Initialize(p, q);
if (!result)
{
StateText = "Check key and try again.";
IsCompleted = false;
return;
}
await Task.Run(() => result = RabinInstance.Encrypt(p, q, FilePath));
if (!result)
{
StateText = "Check key and try again.";
IsCompleted = false;
return;
}
}
//Decrypt
else
{
#region data parsing
if (!BigInteger.TryParse(SecretKeyParam1, out p))
{
StateText = "Wrong first secret key parameter .";
IsCompleted = false;
return;
}
if (!BigInteger.TryParse(SecretKeyParam2, out q))
{
StateText = "Wrong second secret key parameter .";
IsCompleted = false;
return;
}
if ((p % 4 != 3) || (q % 4 != 3))
{
StateText = "p and q mod 4 must be equal to 3.";
return;
}
if (p == q)
{
StateText = "Secret key values must differ.";
IsCompleted = false;
return;
}
bool result = false;
result = RabinInstance.Initialize(p, q);
if (!result)
{
StateText = "Check key and try again.";
IsCompleted = false;
return;
}
#endregion
result = false;
await Task.Run(() => result = RabinInstance.Decrypt(p, q, FilePath));
if (!result)
{
StateText = "Check data you are decrypting and try again.";
IsCompleted = false;
return;
}
}
}
#endregion
#region Yarmolik - Rabin
//Yarmolik - Rabin
else if (ChosenCipher == CiphersList[1])
{
//Encrypt
if (ChosenAction == ActionsList[0])
{
if (!short.TryParse(PublicKeyParam1, out var publicKey))
{
#region Checks
// if public key was not provided, try parse private keys
if (!short.TryParse(SecretKeyParam1, out var p))
{
StateText = "Wrong first secret param.";
IsCompleted = false;
return;
}
if (!short.TryParse(SecretKeyParam2, out var q))
{
StateText = "Wrong second secret param.";
IsCompleted = false;
return;
}
if ((!p.CheckIfPrime()) || (!q.CheckIfPrime()))
{
StateText = "One of two numbers was not prime";
IsCompleted = false;
return;
}
if ((p % 4 != 3) || (q % 4 != 3))
{
StateText = "p and q mod 4 must be equal to 3.";
IsCompleted = false;
return;
}
if (p * q < Math.Pow(2, 8))
{
StateText = "p * q must be more than 1 byte.";
IsCompleted = false;
return;
}
if (!short.TryParse(PublicKeyParam2, out var caesarCoeff))
{
StateText = "Wrong caesar coefficient.";
IsCompleted = false;
return;
}
if (caesarCoeff >= p * q)
{
StateText = "Caesar coefficient must be less than public key.";
IsCompleted = false;
return;
}
if (p == q)
{
StateText = "Secret key values must differ.";
IsCompleted = false;
return;
}
#endregion
YarmolikRabinInstance.Encrypt(p, q, caesarCoeff, FilePath);
}
else
{ // if public key was provided
#region Checks
if (!short.TryParse(PublicKeyParam2, out var caesarCoeff))
{
StateText = "Wrong caesar coefficient.";
IsCompleted = false;
return;
}
if (caesarCoeff >= publicKey)
{
StateText = "Caesar coefficient must be less than public key.";
IsCompleted = false;
return;
}
if ((IsUnicodeSupported) && (publicKey < russianMaxUnicodeIndx))
{
StateText = $"To support unicode symbols, provide a public key larger than {russianMaxUnicodeIndx}";
IsCompleted = false;
return;
}
if (publicKey < Math.Pow(2, 8))
{
StateText = $"Public key should be more than 1 byte";
IsCompleted = false;
return;
}
#endregion
YarmolikRabinInstance.Encrypt(publicKey, caesarCoeff, FilePath);
}
}
//Decrypt
else
{
#region Checks
if (!short.TryParse(SecretKeyParam1, out var p))
{
StateText = "Wrong first secret param.";
IsCompleted = false;
return;
}
if (!short.TryParse(SecretKeyParam2, out var q))
{
StateText = "Wrong second secret param.";
IsCompleted = false;
return;
}
if ((!p.CheckIfPrime()) || (!q.CheckIfPrime()))
{
StateText = "One of two numbers was not prime";
IsCompleted = false;
return;
}
if ((p % 4 != 3) || (q % 4 != 3))
{
StateText = "p and q mod 4 must be equal to 3.";
IsCompleted = false;
return;
}
if (p * q < Math.Pow(2, 8))
{
StateText = "p * q must be more than 1 byte.";
IsCompleted = false;
return;
}
if (!short.TryParse(PublicKeyParam2, out var caesarCoeff))
{
StateText = "Wrong caesar coefficient.";
IsCompleted = false;
return;
}
if (caesarCoeff >= p * q)
{
StateText = "Caesar coefficient must be less than public key.";
IsCompleted = false;
return;
}
if (p == q)
{
StateText = "Secret key values must differ.";
IsCompleted = false;
return;
}
#endregion
await Task.Run(() => YarmolikRabinInstance.Decrypt(p, q, caesarCoeff, FilePath));
}
}
#endregion
StateText = "Action completed.";
IsCompleted = true;
}
catch (ArgumentException ex)
{
StateText = ex.Message;
IsCompleted = false;
}
catch (OutOfMemoryException)
{
StateText = "Memory limit was exceeded.";
IsCompleted = false;
}
finally
{ IsNoActionRunning = true; }
}
private async void WorkAsync()
{
IsNoActionRunning = false;
try
{
#region Checks
//Check whether file id is int
if (!int.TryParse(ChosenFileId, out int FileId))
{
IsCompleted = false;
StateText = "Wrong File id!";
return;
}
//Check whether file id is correct
if ((FileId >= FilesLoaded.Count()) || (FileId < 0))
{
IsCompleted = false;
StateText = "Wrong File id!";
return;
}
string FilePath = string.Empty;
//Load file path
foreach (var item in FilesLoaded)
{
if (item.Id == FileId)
{
FilePath = item.FileRealName;
break;
}
}
//if file id points to empty record
if (string.IsNullOrWhiteSpace(FilePath))
{
IsCompleted = false;
StateText = "File id is wrong.";
return;
}
// if file was deleted after loading
if (!File.Exists(FilePath))
{
IsCompleted = false;
StateText = "File doesnt exist.";
return;
}
#endregion
Enum.TryParse <KeyGenerators>(ChosenKeyGenerator, out var chosenKeyGenerationMethod);
var keyGeneratorInstance = new KeyGeneratorsFactory().NewKeyGenerator(chosenKeyGenerationMethod);
var cipher = new StreamCipher();
cipher.Initialize(keyGeneratorInstance);
if (IsAutoGeneratingKeys)
{
var generatedKey = RandomNumbersGenerator.GenerateBinaryString(LFSR.DefaultHighestPower);
GeneratedKey = $"Your generated key is : {generatedKey}";
await cipher.Encrypt(FilePath, generatedKey, progress);
}
else
{
await cipher.Encrypt(FilePath, InitialState, progress);
}
StateText = "Action completed.";
IsCompleted = true;
}
catch (ArgumentException ex)
{
StateText = ex.Message;
IsCompleted = false;
}
catch (OutOfMemoryException ex)
{
StateText = ex.Message;
IsCompleted = false;
}
finally
{ IsNoActionRunning = true; }
}
private void Work()
{
IsNoActionRunning = false;
try
{
#region Checks for chosen file
//Check whether file id is int
if (!int.TryParse(ChosenFileId, out int FileId))
{
IsCompleted = false;
StateText = "Wrong File id!";
return;
}
//Check whether file id is correct
if ((FileId >= FilesLoaded.Count()) || (FileId < 0))
{
IsCompleted = false;
StateText = "Wrong File id!";
return;
}
if (string.IsNullOrEmpty(ChosenAction))
{
return;
}
string FilePath = string.Empty;
//Load file path
foreach (var item in FilesLoaded)
{
if (item.Id == FileId)
{
FilePath = item.FileRealName;
break;
}
}
//if file id points to empty record
if (string.IsNullOrWhiteSpace(FilePath))
{
IsCompleted = false;
StateText = "File id is wrong.";
return;
}
// if file was deleted after loading
if (!File.Exists(FilePath))
{
IsCompleted = false;
StateText = "File doesnt exist.";
return;
}
if (Path.GetExtension(FilePath) != ".txt")
{
IsCompleted = false;
StateText = "Text files should be used only...";
return;
}
#endregion
var hashFuncChosen = HashFunctionsDict[ChosenSignature];
BigInteger p = 0, q = 0, secretKey = 0;
if (!IsKeysAutoGenerating)
{
#region Checks for user input
if (!BigInteger.TryParse(PublicKeyParam1, out p))
{
IsCompleted = false;
StateText = "Wrong p value";
return;
}
if (!BigInteger.TryParse(PublicKeyParam2, out q))
{
IsCompleted = false;
StateText = "Wrong q value";
return;
}
if (!BigInteger.TryParse(SecretKey, out secretKey))
{
IsCompleted = false;
StateText = "Wrong secret key value";
return;
}
#endregion
}
else
{ //if secret key couldn't meet the requerements here, should regenerate the numbers.
p = RandomNumbersGenerator.GeneratePrime(15 * 8);
OutputText += $"P : {p.ToString()} ";
q = RandomNumbersGenerator.GeneratePrime(15 * 8);
OutputText += Environment.NewLine + $"Q : {q.ToString()} ";
secretKey = RandomNumbersGenerator.GeneratePrime(15 * 8);
OutputText += Environment.NewLine + $"Secret Key : {secretKey.ToString()} ";
}
var signatureInstance = new RsaSignature(p, q, secretKey, hashFuncChosen, IsCorrectnessChecksEnabled);
if (ChosenAction == "Sign a message")
{
var result = signatureInstance.Sign(FilePath);
OutputText += Environment.NewLine + $"Result of signing Is: {result.Item1.ToString()}"
+ Environment.NewLine + $"Hash in decimal is :{result.Item2.ToString()}"
+ Environment.NewLine + $"Hash in hex is :{result.Item2.ToString("X")}";
}
if (ChosenAction == "Signature check")
{
if (signatureInstance.CheckSignature(FilePath))
{
OutputText = "Digital signature is right!";
}
else
{
OutputText = "Digital signature is corrupted!";
}
}
StateText = "Action completed.";
IsCompleted = true;
}
catch (ArgumentException ex)
{
StateText = ex.Message;
IsCompleted = false;
}
catch (OutOfMemoryException)
{
StateText = "Memory limit was exceeded.";
IsCompleted = false;
}
catch (IOException IoExc)
{
StateText = IoExc.Message;
IsCompleted = false;
}
finally
{ IsNoActionRunning = true; }
}
