public static string printBytes(BytesBuilder bb, bool masked)
{
var sb = new StringBuilder();
var bytes = bb.getBytes();
if (masked)
{
for (int i = 0; i < bytes.LongLength; i += 2)
{
if (bytes[i] != 13 && bytes[i] != 10)
#if forLinux
{ sb.Append("*"); }
#else
{ sb.Append(/*"•"*//*"®"*/ "●"); }
#endif
else
if (bytes[i] == 10)
{
sb.Append("\r");
}
/*else
* sb.Append("\n");*/
}
private static void GetKeyByPassword(int regime, byte[] bytes, out byte[] key)
{
SHA3 sha = new SHA3(bytes.Length);
if (regime < 10)
{
sha.useOldDuplex = true;
}
int pc = 4;
var oiv = regime >= 20 ?
Convert.FromBase64String("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")
: new UTF8Encoding().GetBytes("passwordJjVjRyjcWwo7761qPBQUb3Sx8DACNpassword");
var dk = 1024;
if (regime >= 20)
{
dk = regime >= 30 ? 16 : 24;
if (regime >= 34)
{
dk = 8;
}
}
key = sha.getDerivatoKey(bytes, oiv, dk, ref pc, regime >= 20 ? bytes.Length << 1 : bytes.Length, regime / 10);
sha.Clear(true);
sha = null;
BytesBuilder.ToNull(bytes);
}
/// <summary>
/// Очень плохая гамма!
/// </summary>
/// <param name="key"></param>
/// <param name="len"></param>
/// <param name="stateLen"></param>
/// <param name="notCopy"></param>
/// <returns></returns>
public static byte[] getGamma(byte[] key, int len, out int stateLen, bool notCopy = false)
{
if (key.Length > 65536)
{
throw new ArgumentOutOfRangeException();
}
var result = new byte[len];
var kl = key.Length;
var sl = 256;
stateLen = sl;
var k = key;
var s = new byte[sl];
var t = new byte[sl > kl ? sl : kl];
if (!notCopy)
{
k = BytesBuilder.CloneBytes(key, 0, kl);
}
int C = kl >> 10;
if (C < 2)
{
C = 2;
}
int kbit = 0;
fixed(byte *kp = k, sp = s, tp = t, r = result)
{
for (int i = 0; i < sl; i++)
{
sp[i] = (byte)i;
}
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < C; j++)
{
kbit = step(kl, sl, kbit, kp, sp, tp);
}
}
for (int i = 0; i < result.Length; i++)
{
for (int j = 0; j < C; j++)
{
kbit = step(kl, sl, kbit, kp, sp, tp);
}
r[i] = getMask(sp, sl, sp[0]);
}
}
return(result);
}
private static void fillKey(int CK, int i, ref byte[] key)
{
for (int j = 0; j < key.Length - 4; j += 2)
{
BytesBuilder.UIntToBytes((uint)i, ref key, j);
}
}
public static int permutationMergeBytes(byte *key, int keyLen, byte *target, byte *tmp, int len, ref int kl, bool repeatKey = false)
{
if (len <= 1)
{
throw new ArgumentOutOfRangeException("len", "len <= 1");
}
byte *a1 = tmp, a2 = target;
int ended = 0;
int counter = 0;
for (int i = 1; i < len; i <<= 1)
{
counter += permutationMergeBytes_Iteration(i, a2, a1, len, key, keyLen, ref kl, ref ended, repeatKey);
ended = 0;
byte *a = a1;
a1 = a2;
a2 = a;
}
if (a2 != target)
{
BytesBuilder.CopyTo(len, len, a2, a1);
}
return(counter);
}
public static byte[] getHash(byte[] value, int count)
{
var result = new byte[count];
var kl = value.Length;
var sl = 256;
var s = new byte[sl];
var t = new byte[sl];
var n = new byte[0];
int kbit = 0, kn = 0;
fixed(byte *kp = value, sp = s, tp = t, np = n)
{
for (int i = 0; i < sl; i++)
{
sp[i] = (byte)i;
}
for (int i = 0; i < count; i++)
{
permutationMergeBytes(kp, kl, sp, tp, sl, ref kbit, true);
permutationMergeBytes(kp, kl, sp, tp, sl, ref kbit, true);
permutationMergeBytes(kp, kl, sp, tp, sl, ref kbit, true);
permutationMergeBytes(kp, kl, sp, tp, sl, ref kbit, true);
permutationMergeBytes(np, 0, sp, tp, sl, ref kn);
result[i] = sp[0];
}
BytesBuilder.ToNull(sl, tp);
BytesBuilder.ToNull(sl, sp);
}
return(result);
}
public void recordsToFile()
{
StringBuilder sb = new StringBuilder();
foreach (var record in records)
{
sb.AppendLine(record.Value.mainTag);
sb.AppendLine(record.Value.crypt);
sb.AppendLine(record.Value.pwd);
foreach (var tag in record.Value.tags)
{
sb.AppendLine(tag);
}
sb.AppendLine();
}
var content = sb.ToString();
sb.Clear();
var curKey = key.getObjectValue();
var sha = new SHA3(content.Length);
var bytes = sha.multiCryptLZMA(new UTF32Encoding().GetBytes(content), curKey, null, 22, false, 0, SHA3.getHashCountForMultiHash() - 8);
File.WriteAllBytes(fileName, bytes);
BytesBuilder.ClearString(content);
BytesBuilder.ToNull(curKey);
BytesBuilder.ToNull(bytes);
}
public void clearResultText()
{
if (String.IsNullOrEmpty(resultText))
{
BytesBuilder.ClearString(resultText);
}
}
static public byte[] getNewNodeID()
{
var result = new byte[20 + 12];
uint cn;
lock (syncObject)
{
cyclicNumber++;
if (cyclicNumber == 0 || cyclicNumber == unchecked ((uint)-1)) // для повышения надёжности двойная проверка на смену сессии
{
newSessionGuid();
cyclicNumber++;
}
cn = unchecked (cyclicNumber + cyclicBase);
BytesBuilder.CopyTo(sessionGuid, result);
}
byte[] target = null;
BytesBuilder.ULongToBytes((ulong)DateTime.Now.Ticks, ref target);
BytesBuilder.CopyTo(target, result, 20);
target = null;
BytesBuilder.UIntToBytes(cn, ref target);
BytesBuilder.CopyTo(target, result, 28);
return(result);
}
public static IEnumerable <SourceTask> GetIterator()
{
ulong size = 2048;
for (ulong val = 0; val < (ulong)(size << 3); val++)
{
var b1 = new byte[size];
BytesBuilder.ToNull(b1, 0xFFFF_FFFF__FFFF_FFFF);
BitToBytes.resetBit(b1, val);
var b2 = new byte[size];
BytesBuilder.ToNull(b2);
BitToBytes.setBit(b2, val);
yield return(new SourceTask()
{
Key = "Setted bits with val = " + val, Value = b1
});
yield return(new SourceTask()
{
Key = "Resetted bits with set bit #" + val, Value = b2
});
}
yield break;
}
private static bool checkDuplexModByHash(SHA3 sha3)
{
byte[] m1 = new byte[72 * 8 - 1];
byte[] m2 = new byte[72 * 8 - 1];
byte[] m = new byte[m1.Length + m2.Length + 1];
var rnd = new Random(98732796);
for (int i = 0; i < m.Length; i++)
{
if (m.Length - i == 72)
{
m[i] = 0x81;
}
else
{
m[i] = (byte)rnd.Next(0, 255);
}
}
rnd = new Random(98732796);
for (int i = 0, j = 0, k = 0; i < m.Length - 1; i++)
{
if (i % 144 >= 72 || k >= m2.Length)
{
m1[j++] = (byte)rnd.Next(0, 255);
}
else
{
m2[k++] = (byte)rnd.Next(0, 255);
}
}
byte[] hash = sha3.getHash512(m);
byte[] gamma = sha3.getDuplexMod(m1, m2);
byte[] tmp = new byte[64];
BytesBuilder.CopyTo(gamma, tmp, 0, -1, 72 * 7);
bool errorFlag = false;
for (int i = 0; i < hash.Length; i++)
{
if (hash[i] != tmp[i])
{
errorFlag = true;
}
}
if (errorFlag)
{
Console.WriteLine("DuplexMod and hash unequal, duplexMod is incorrect");
}
else
{
Console.WriteLine("Well. DuplexMod and hash equal, duplexMod is correct.");
}
return(!errorFlag);
}
private static bool checkInitDuplex(SHA3 sha3)
{
byte[] keyAndMessage = new byte[72 * 8 - 1];
var rnd = new Random(98732796);
for (int i = 0; i < 64; i++)
{
keyAndMessage[i] = (byte)rnd.Next(0, 255);
}
keyAndMessage[64] = 0x01;
keyAndMessage[71] = 0x80;
for (int i = 72; i < keyAndMessage.Length; i++)
{
keyAndMessage[i] = (byte)rnd.Next(0, 255);
}
var kam1 = new byte[64];
var kam2 = new byte[keyAndMessage.Length - 72];
BytesBuilder.CopyTo(keyAndMessage, kam1);
BytesBuilder.CopyTo(keyAndMessage, kam2, 0, -1, 72);
byte[] dupi1 = sha3.getDuplex(kam1);
byte[] dupi2 = sha3.getDuplex(kam2, true);
byte[] dupe = sha3.getDuplex(keyAndMessage);
bool errorFlag = false;
int k;
for (k = 0; k < dupi1.Length; k++)
{
if (dupi1[k] != dupe[k])
{
errorFlag = true;
}
}
for (int j = 0; j < dupi2.Length /* && k < dupe.Length*/; k++, j++)
{
if (dupi2[j] != dupe[k])
{
errorFlag = true;
}
}
if (errorFlag)
{
Console.WriteLine("Duplex and init duplex unequal, duplex is incorrect");
}
else
{
Console.WriteLine("Well. Duplex and init duplex equal, duplex is correct.");
}
return(!errorFlag);
}
/// <summary>
/// Подготовить вызов функции getGamma
/// </summary>
/// <param name="key"></param>
/// <param name="syncro"></param>
/// <param name="SBox"></param>
/// <param name="SBox2"></param>
/// <param name="errorCipher">Этот параметр всегда должен быть false. Требуется для совместимости со старыми версиями шифра. GOST5 в getGamma должен быть установлен в false</param>
public void prepareGamma(byte[] key, byte[] syncro, byte[] SBox, byte[] SBox2, byte[] SBox3 = null, byte[] SBox4 = null, byte[] SBox5 = null, byte[] SBox6 = null, bool errorCipher = false)
{
int k = SBox6 == null ? 4 : 5;
if (key.Length < 256 * k / 8)
{
throw new ArgumentException("key must be 256*" + k + " bits size (or greater, but will use 256*k bits)");
}
workingKey = new int[k][];
if (errorCipher && SBox6 == null)
{
for (int i = 0; i < k; i++)
{
workingKey[i] = generateWorkingKey(key, i << 3);
}
}
else
{
for (int i = 0; i < k; i++)
{
workingKey[i] = generateWorkingKey(key, i << 5);
}
workingKeyA = new byte[32 * 5];
BytesBuilder.CopyTo(key, workingKeyA);
}
BytesBuilder.CopyTo(syncro, N1, 0, 4);
BytesBuilder.CopyTo(syncro, N2, 0, 4, 4);
snc = syncro;
currentSBox = SBox;
currentSBox2 = SBox2;
currentSBox3 = SBox3;
currentSBox4 = SBox4;
currentSBox5 = SBox5;
currentSBox6 = SBox6;
if (currentSBox3 == null)
{
currentSBox3 = Sbox_Default;
}
if (currentSBox4 == null)
{
currentSBox4 = ESbox_D;
}
if (currentSBox5 == null)
{
currentSBox5 = ESbox_B;
}
if (currentSBox6 == null)
{
currentSBox6 = ESbox_C;
}
}
/// <summary>
/// Метод получения данных от клиента.
/// </summary>
/// <exception cref="SocketException"></exception>
/// <exception cref="ObjectDisposedException"></exception>
/// <exception cref="InvalidOperationException"></exception>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="SecurityException"></exception>
private void Listener()
{
while (true)
{
try
{
// Получение клиентского сокета
Socket Client = _server.Accept();
#region Получение входящих данных (Способ №1)
//// Получение входящих данных
//BytesBuilder Bytes = new BytesBuilder();
//while (Client.Available > 0)
//{
// Byte[] Buffer = new Byte[50000];
// Int32 Length = Client.Receive(Buffer);
// Bytes.Append(Buffer, Length, false);
//}
#endregion
#region Получение входящих данных (Способ №2)
// Получение входящих данных
BytesBuilder Bytes = new BytesBuilder();
Byte[] Buffer = new Byte[1024];
Int32 Length = 0;
while ((Length = Client.Receive(Buffer)) > 0)
{
Bytes.Append(Buffer, Length, false);
}
#endregion
// Обработка события при получении данных
Receiver?.Invoke(this, new TcpReceiverEventArgs(Client, Bytes.ToArray(), Bytes.ToArray().Length));
Bytes.Dispose();
if (_data != null)
{
// Отправка данных клиенту
Client.Send(_data);
}
// Закрытие клиентского сокета
Client.Shutdown(SocketShutdown.Both);
Client.Close();
}
catch (Exception Exception)
{
// Обработка события при возникновении ошибок в работе сервера
Error?.Invoke(this, new TcpErrorEventArgs(Exception));
}
}
}
private static void DoPermutation(byte *msg, ushort[] table, byte *buff)
{
for (int i = 0; i < 2048; i++)
{
buff[i] = msg[table[i]];
}
BytesBuilder.CopyTo(2048, 2048, buff, msg);
}
public override byte[] prepareKey(long variant)
{
var k = base.prepareKey(variant);
var key = new byte[256 * 5];
BytesBuilder.ToNull(key);
BytesBuilder.CopyTo(k, key);
return(key);
}
private static byte[] GostGammaMod(int len, byte[] inData)
{
byte[] result;
var dt = new byte[64 * 5];
BytesBuilder.CopyTo(inData, dt);
var g = new Gost28147Modified();
g.prepareGamma(dt, new byte[160], Gost28147Modified.CryptoProA, Gost28147Modified.CryptoProC, Gost28147Modified.Sbox_Default, Gost28147Modified.ESbox_A, Gost28147Modified.ESbox_B, Gost28147Modified.ESbox_C);
result = g.getGamma(len, 40);
return(result);
}
private void button2_Click(object sender, EventArgs e)
{
P_CMD_Request req = new P_CMD_Request();
OnlineUsersQueryRequest info = new OnlineUsersQueryRequest();
var data = ESHelper.Pack(ref req, 1);
BytesBuilder bb = new BytesBuilder();
bb.Append(data
).Append(ESHelper.Pack(ref info));
this.SendMessage(bb.ToBytes());
}
public override byte[] prepareOIV(long variant)
{
lock (sync)
{
if (nullBytes == null)
{
nullBytes = new byte[1];
BytesBuilder.ToNull(nullBytes);
}
}
return(nullBytes);
}
public virtual byte[] prepareOIV(long variant)
{
lock (sync)
{
if (nullBytes == null)
{
nullBytes = new byte[64];
BytesBuilder.ToNull(nullBytes);
}
}
return(nullBytes);
}
public unsafe void StartTests()
{
GenerateTables();
var failTestCount = 0;
var fail5TestCount = 0;
Parallel.ForEach
(
sources,
delegate(SourceTask task)
{
var S = BytesBuilder.CloneBytes(task.Value);
fixed(byte *s = S)
{
Permutation(s, S.LongLength);
for (int i = 0; i < S.LongLength - 2; i++)
{
if (/*s[i] == 0 && */ s[i] == s[i + 1] && s[i] == s[i + 2] /* && s[i] == s[i + 3] && s[i] == s[i + 4]*/)
{
Interlocked.Increment(ref failTestCount);
if (i + 4 < S.LongLength)
{
if (/*s[i] == 0 && */ s[i] == s[i + 1] && s[i] == s[i + 2] && s[i] == s[i + 3] && s[i] == s[i + 4])
{
Interlocked.Increment(ref fail5TestCount);
i += 2;
}
}
i += 2;
}
}
}
}
);
// Совпадений по три должно быть примерно
// Т.к. для любого встреченного n, вероятность того, что следующие два за ним тоже будут n равна 256*256
// Всего встречено будет (2048-2) байтов на 32768 тестов, то есть (2048-2)*32768//65536=1024
// Учитывая SkippedBlock всё ещё нужно домножить на 11
if (failTestCount > 0)
{
this.task.error.Add(new Error()
{
Message = TableName + " test 3: " + failTestCount + " [right 11253], test 5: " + fail5TestCount + " [right 0]"
});
}
}
public override byte[] prepareKey(long variant)
{
var k = new byte[2];
k[0] = (byte)variant;
k[1] = (byte)(variant >> 8);
var key = new byte[64];
BytesBuilder.ToNull(key);
BytesBuilder.CopyTo(k, key);
return(key);
}
public static int permutationMergeBytes(byte[] key, byte[] target, bool repeatKey = false)
{
int result;
var tmp = new byte[target.Length];
int kl = 0;
fixed(byte *k = key, t = target, _tmp = tmp)
{
result = permutationMergeBytes(k, key.Length, t, _tmp, target.Length, ref kl, repeatKey);
BytesBuilder.ToNull(tmp.Length, _tmp);
}
return(result);
}
protected static void newSessionGuid()
{
lock (syncObject)
{
var bb = new BytesBuilder();
byte[] target = null;
BytesBuilder.ULongToBytes((ulong)DateTime.Now.Ticks, ref target);
bb.add(target);
bb.add(staticBytes);
sessionGuid = SHA3.generateRandomPwd(bb.getBytes(), 20);
}
}
public void clear(bool notTagsClear = false)
{
BytesBuilder.ClearString(mainTag);
BytesBuilder.ClearString(pwd);
BytesBuilder.ClearString(crypt);
if (!notTagsClear)
{
foreach (var tag in tags)
{
BytesBuilder.ClearString(tag);
}
tags.Clear();
}
}
private static void UdpClientSendAndClose(IPEndPoint source, IPEndPoint target, string UTF8String)
{
using (var client = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp))
{
// client.Ttl = 128;
client.DontFragment = true;
client.ExclusiveAddressUse = true;
client.Bind(source);
var bb = new BytesBuilder();
bb.add(UTF8String);
client.SendTo(bb.getBytes(), target);
}
}
private static bool testForBits_getMultiHash40(ref int pc, int hc, SHA3 sha)
{
var size = 32;
var sizeb = size << 3;
byte[] result = null;
byte[] inData = new byte[size];
int[,] counts = new int[sizeb, sizeb];
BytesBuilder.ToNull(inData);
for (int i = 0; i < sizeb; i++)
{
setBitInArray(inData, i);
for (int j = 0; j < sizeb; j++)
{
if (i == j)
{
continue;
}
setBitInArray(inData, j);
SHA3.getMultiHash40(inData, out result, ref pc, hc, sha, size);
//SHA3.getMultiHash20(inData, out result, ref pc, hc, sha, size);
//result = sha.getHash512(inData);
//result = new testCiphers.RC4(inData).getGamma(size);
toResult(sizeb, i, j, result, counts);
setBitInArray(inData, j, false);
}
setBitInArray(inData, i, false);
}
double суммарнаяВероятность, минимальнаяВероятность, множительВероятностей, отклонениеОтЭталона, отклонениеОтЭталонаВниз, отклонениеОтЭталонаВверх;
double[,] вероятность;
getCountsResult(sizeb, counts, out вероятность, out минимальнаяВероятность, out множительВероятностей, out суммарнаяВероятность, out отклонениеОтЭталона, out отклонениеОтЭталонаВниз, out отклонениеОтЭталонаВверх);
if (множительВероятностей > 1.01 || суммарнаяВероятность < 0.01 || отклонениеОтЭталонаВниз > 0.10 || отклонениеОтЭталонаВверх > 0.10 || минимальнаяВероятность < 0.001)
{
return(false);
}
return(true);
}
public static byte[] getHash(byte[] data, bool is512bit = true)
{
byte[] m;
byte[] N0 = new byte[64];
byte[] N512 = new byte[64];
byte[] N = new byte[64];
byte[] h = new byte[64];
byte[] Sigma = new byte[64];
if (!is512bit)
{
for (int i = 0; i < h.Length; i++)
{
h[i] = 1;
}
}
LongToBytes(N512, 64 - 8, 512);
var D = data;
var L = data.LongLength;
while (L >= 64)
{
m = new byte[64];
BytesBuilder.CopyTo(data, m, 0, -1, L - 64);
h = g(h, m, N);
add(N, N512);
add(Sigma, m);
L -= 64;
}
m = new byte[64];
var NM = new byte[64];
BytesBuilder.CopyTo(data, m, 64 - L, L, 0);
LongToBytes(NM, 64 - 8, (ulong)L * 8);
m[64 - L - 1] = 1;
h = g(h, m, N);
add(N, NM);
add(Sigma, m);
h = g(h, N, N0);
return(g(h, Sigma, N0));
}
private static void GetPasswordAndDecryptFile(FileInfo fi, out byte[] bt, DoublePasswordForm pwdForm1)
{
byte[] key;
int regime;
using (var file = new FileStream(fi.FullName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
file.Position = 1;
regime = file.ReadByte();
}
GetKeyByPassword(pwdForm1, out key, regime);
/*
#warning INSECURE
* File.AppendAllText("unsecure.log", "key: " + BitConverter.ToString(key).Replace("-", "") + "\r\n");
*/
pwdForm1.clearResultText();
var sha = new SHA3(fi.Length);
if (regime < 10)
{
sha.useOldDuplex = true;
}
var cbt = File.ReadAllBytes(fi.FullName);
try
{
bt = sha.multiDecryptLZMA(cbt, key);
}
catch (Exception e)
{
MessageBox.Show("Расшифрование не удалось, возможно файл не является файлом программы rtbd. " + e.Message, "Расшифрование не удалось", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
bt = null;
return;
}
finally
{
sha.Clear(true);
BytesBuilder.ToNull(key);
BytesBuilder.ToNull(cbt);
cbt = null;
key = null;
}
}
public string decrypt(string base64str, PasswordSecure pwd = null)
{
if (pwd == null)
{
pwd = key;
}
var sha = new SHA3(base64str.Length);
var openKey = pwd.getObjectValue();
var crypted = sha.multiDecryptLZMA(Convert.FromBase64String(base64str), openKey);
BytesBuilder.BytesToNull(openKey);
var result = new UTF32Encoding().GetString(crypted); //Convert.ToBase64String(crypted);
BytesBuilder.ToNull(crypted);
return(result);
}
