void assign_values(int month, int day, int *number_direct_coefficients)
{
int hour1;
double st; /* solar time */
double sd;
double alt2_rise, alt2_set;
sd = sdec(jdate(month, day));
alt2_rise = f_salt(sd, radians(2.0));
alt2_set = 24 - f_salt(sd, radians(2.0));
for (hour1 = 0; hour1< 24; hour1++){
st = hour1;
if (((hour1 - 0.5)<alt2_rise) && ((hour1 + 0.5) > alt2_rise)){ st = alt2_rise; }
if (((hour1 - 0.5)<alt2_set) && ((hour1 + 0.5) > alt2_set)){ st = alt2_set; }
if (degrees(salt(sd, st)) > 1.999){
direct_pts[*number_direct_coefficients][0] = (float)st;
direct_pts[*number_direct_coefficients][1] = (float)degrees(salt(sd, st));
if (direct_pts[*number_direct_coefficients][1] <2.001){ direct_pts[*number_direct_coefficients][1] = 2; }
direct_pts[*number_direct_coefficients][2] = (float)degrees(sazi(sd, st));
direct_calendar[month][hour1][0] = direct_pts[*number_direct_coefficients][0];
direct_calendar[month][hour1][1] = direct_pts[*number_direct_coefficients][1];
direct_calendar[month][hour1][2] = direct_pts[*number_direct_coefficients][2];
*number_direct_coefficients = *number_direct_coefficients + 1;
}
else{
direct_calendar[month][hour1][0] = (float)st;
direct_calendar[month][hour1][1] = (float)degrees(salt(sd, st));
direct_calendar[month][hour1][2] = (float)degrees(sazi(sd, st));
}
}
}
void test4saltImage(int argc,char** argv){
srand( cv::getTickCount() );
cv::Mat image=cv::imread( inputImagePath );
salt(&image,3000);
IplImage temp4image=image;
alert_win( &temp4image );
}
/**
* A fully parametrized symmetric string encryption function
* Encrypts using the specified algorithm and CBC+PKCS7.
* Format as follows (//TODO ASN.1 Notation required):
* Base64
* {
* n bytes salt (parameter)
* 32 bytes IV
* message
* }
*/
string cryptTextUnauthenticated(string& plaintext, string& password, bool decrypt = false, string& algorithm = "Twofish", uint saltSize = 24)
{
AutoSeeded_RNG rng;
string fullAlgorithmName = algorithm + "/CBC/PKCS7";
//Generate a random salt
SecureVector<byte> salt(rng, saltSize);
//Check whether whe have to decrypt
Cipher_Dir direction = ENCRYPTION;
if(decrypt) {direction = DECRYPTION;}
SymmetricKey key = OctetString(hashRaw("SHA-256", password, salt));
InitializationVector iv(rng, 32);
Pipe encryptionPipe(new Chain(get_cipher(fullAlgorithmName, key, iv, direction)));
encryptionPipe.start_msg();
encryptionPipe.write(plaintext);
encryptionPipe.end_msg();
SecureVector<byte> encryptedData = encryptionPipe.read_all(0);
Pipe base64Pipe(new Base64_Encoder);
base64Pipe.start_msg ();
base64Pipe.write(salt);
base64Pipe.write(iv);
base64Pipe.write(encryptedData);
base64Pipe.end_msg();
return base64Pipe.read_all_as_string (0);
}
std::string generate_passhash9(const std::string& pass,
RandomNumberGenerator& rng,
uint16_t work_factor,
uint8_t alg_id)
{
BOTAN_ARG_CHECK(work_factor > 0 && work_factor < 512, "Invalid Passhash9 work factor");
std::unique_ptr<MessageAuthenticationCode> prf = get_pbkdf_prf(alg_id);
if(!prf)
throw Invalid_Argument("Passhash9: Algorithm id " +
std::to_string(alg_id) +
" is not defined");
PKCS5_PBKDF2 kdf(prf.release()); // takes ownership of pointer
secure_vector<uint8_t> salt(SALT_BYTES);
rng.randomize(salt.data(), salt.size());
const size_t kdf_iterations = WORK_FACTOR_SCALE * work_factor;
secure_vector<uint8_t> blob;
blob.push_back(alg_id);
blob.push_back(get_byte(0, work_factor));
blob.push_back(get_byte(1, work_factor));
blob += salt;
blob += kdf.derive_key(PASSHASH9_PBKDF_OUTPUT_LEN,
pass,
salt.data(), salt.size(),
kdf_iterations).bits_of();
return MAGIC_PREFIX + base64_encode(blob);
}
int main()
{
// open the image
cv::Mat image= cv::imread("boldt.jpg",1);
// image is resized for book printing
cv::resize(image, image, cv::Size(), 0.6, 0.6);
// call function to add noise
salt(image,3000);
// display result
cv::namedWindow("Image");
cv::imshow("Image",image);
// write on disk
cv::imwrite("salted.bmp",image);
cv::waitKey();
// test second version
image= cv::imread("boldt.jpg",0);
// image is resized for book printing
cv::resize(image, image, cv::Size(), 0.6, 0.6);
salt2(image, 500);
cv::namedWindow("Image");
cv::imshow("Image",image);
cv::waitKey();
return 0;
}
bool PasswordModule::GeneratePassHash(const wchar_t *userName, const wchar_t *passWord, std::string &passWordHash)
{
if (wcsnlen(userName, 51) > 50 || wcsnlen(passWord, 51) > 50) {
sLog.Error("PasswordModule", "username or password is simply to long");
return false;
}
std::wstring salt(userName);
Utils::Strings::trim(salt, true, true); // comparable to the ".strip" function in python.
Utils::Strings::toLowerCase(salt);
int saltLen = (int)salt.size() * 2;
uint8 * saltChar = (uint8*)&salt[0];
std::wstring init(passWord);
init += salt;
int saltInitLen = (int)init.size() * 2;
uint8 * saltInitChar = (uint8*)&init[0];
#ifndef WIN32
saltChar = wchar_tToUtf16(saltChar, salt.size());
saltInitChar = wchar_tToUtf16(saltInitChar, init.size());
#endif
ShaModule::SHAobject shaObj;
ShaModule::sha_init(&shaObj);
ShaModule::sha_update(&shaObj, saltInitChar, saltInitLen);
int daylySaltLen = SHA_DIGEST_SIZE + saltLen;
// allocate buffer for the hashing, this way its only allocated once.
uint8 * uDaylySalt = (uint8 *)malloc(daylySaltLen); // first part of the data string
uint8 * uDaylySaltPart = &uDaylySalt[SHA_DIGEST_SIZE]; // second part of the data string
for (int i = 0; i < 1000; i++)
{
ShaModule::sha_digest(&shaObj, uDaylySalt);
memcpy(uDaylySaltPart, saltChar, saltLen);
ShaModule::sha_init(&shaObj);
ShaModule::sha_update(&shaObj, uDaylySalt, daylySaltLen);
}
free(uDaylySalt);
ShaModule::sha_final(mDigest, &shaObj);
if (passWordHash.size() != 0)
passWordHash = "";
passWordHash.append((char*)mDigest, SHA_DIGEST_SIZE);
return true;
}
void CImageAnalysis::OnBnClickedsaltshow()
{
Mat image;
image= imread("F:\\Lena.bmp",1);
salt(image, 10000);
namedWindow("image");
imshow("image",image);
waitKey(0);
}
bool MaItem::load(const QString& filename)
{
bool res = false;
if (!filename.isEmpty())
mFilename = filename;
mRelPath.clear();
mRelPath = relPath();
#ifdef _DEBUG
// qDebug() << absPath();
#endif // _DEBUG
QFile file(absPath());
if (file.open(QIODevice::ReadOnly))
{
QTextStream in(&file);
in.setCodec("UTF-8");
parseConfigLine(in.readLine());
if (mIsEncrypted)
{
QByteArray s = in.readAll().toAscii();
_engine->encrypt(s);
QString s2(s);
int i = s2.indexOf("\n");
if (i > -1)
{
mCaption = s2.left(i);
mNotes = s2.right(s2.length() - i - 1);
}
}
else
{
mCaption = in.readLine();
mNotes = in.readAll();
}
file.close();
res = true;
}
// Loading the password from the password file:
QFile file2(absPathToFilename(kPathwordFilename));
if (file.exists() && file2.open(QIODevice::ReadOnly))
{
QTextStream in(&file2);
in.setCodec("UTF-8");
QByteArray ba = in.readAll().toAscii();
QByteArray salt(QString(_engine->passwordEncryptionSalt()).toAscii());
_engine->encrypt(ba, _engine->passwordEncryptionKey().toAscii(), salt);
mPassword = ba;
mPasswordDirty = false;
}
return res;
}
int main(int argc, char ** argv) {
cv::Mat img = cv::imread(argv[1]);
if(!img.data) return -1;
salt(img, 3000);
cv::namedWindow("Salted Image");
cv::imshow("Salted Image", img);
cv::waitKey(0);
return 0;
}
int main() {
std::string
str_winName = "Image";
cv::Mat img = cv::imread("Images/boldt.jpg");
cv::Mat result_img;
salt(img, result_img, 3000);
cv::namedWindow(str_winName);
cv::imshow(str_winName, result_img);
cv::waitKey(0);
return 1;
}
std::string rpc::genSalt()
{
int size = 32;
std::ostringstream ss;
std::vector<unsigned char> salt(size, 0);
urand.generate(&salt[0], size);
for (int i = 0; i < size; i++)
ss << std::hex << std::setw(2) << std::setfill('0') << (int)salt[i];
return ss.str();
}
QByteArray Crypto::generateSalt()
{
const int salt_bytes_count = 5;
#ifndef NO_QCA
return QCA::Random::randomArray(salt_bytes_count).toByteArray();
#else
QByteArray salt("");
for(int i = 0; i < salt_bytes_count; i++)
salt.append(char(randInt(0, 255)));
return salt;
#endif
}
void MaItem::save(bool onlyWhenDirty)
{
if (!onlyWhenDirty || mDirty)
{
bool encrypt = isListEncrypted();
if (mFilename.isEmpty())
mFilename = mParentItem->nextChildFilename();
QFile file(absPath());
if (file.open(QIODevice::WriteOnly))
{
QTextStream out(&file);
out.setCodec("UTF-8");
out << configLine(encrypt);
out << "\n";
if (encrypt)
{
QByteArray s(mCaption.toAscii());
s.append("\n");
s.append(mNotes.toAscii());
_engine->encrypt(s);
out << s;
}
else
{
out << mCaption;
out << "\n";
out << mNotes;
}
file.close();
mDirty = false;
}
}
// Saving the password:
if ((!onlyWhenDirty || mPasswordDirty) && !mPassword.isEmpty())
{
QFile pwdFile(absPathToFilename(kPathwordFilename));
if (pwdFile.open(QIODevice::WriteOnly))
{
QTextStream out(&pwdFile);
out.setCodec("UTF-8");
QByteArray ba(mPassword.toAscii());
QByteArray salt(QString(_engine->passwordEncryptionSalt()).toAscii());
_engine->encrypt(ba, _engine->passwordEncryptionKey().toAscii(), salt);
out << ba;
pwdFile.close();
mPasswordDirty = false;
}
}
}
QString ClientConfiguration::toBackup(QString const& password) const {
QByteArray encryptionKey(BACKUP_ENCRYPTION_KEY_BYTES, 0x00);
// Generate a Salt
QByteArray salt(BACKUP_SALT_BYTES, 0x00);
randombytes_buf(salt.data(), BACKUP_SALT_BYTES);
// Convert the password into bytes
QByteArray password8Bit = password.toUtf8();
// Generate the encryption key for the Backup from the Salt and the Password
PKCS5_PBKDF2_HMAC(reinterpret_cast<unsigned char*>(password8Bit.data()), password8Bit.size(), reinterpret_cast<unsigned char*>(salt.data()), BACKUP_SALT_BYTES, BACKUP_KEY_PBKDF_ITERATIONS, BACKUP_ENCRYPTION_KEY_BYTES, reinterpret_cast<unsigned char*>(encryptionKey.data()));
QByteArray nonceBytes(crypto_stream_NONCEBYTES, 0x00);
// The backup content
QByteArray clientId(IdentityHelper::uint64ToIdentityString(getClientIdentity().getContactId()).toLatin1());
if (clientId.size() != BACKUP_IDENTITY_BYTES) {
throw InternalErrorException() << QString("Could not build backup - invalid client identity length (%1 vs. %2 Bytes).").arg(clientId.size()).arg(BACKUP_IDENTITY_BYTES).toStdString();
}
QByteArray clientSecKey(getClientLongTermKeyPair().getPrivateKey());
if (clientSecKey.size() != PROTO_KEY_LENGTH_BYTES) {
throw InternalErrorException() << QString("Could not build backup - invalid client secret key length (%1 vs. %2 Bytes).").arg(clientSecKey.size()).arg(PROTO_KEY_LENGTH_BYTES).toStdString();
}
QByteArray backup(salt);
backup.append(clientId);
backup.append(clientSecKey);
// Compute Hash
QByteArray controlHash(crypto_hash_sha256_BYTES, 0x00);
crypto_hash_sha256(reinterpret_cast<unsigned char*>(controlHash.data()), reinterpret_cast<unsigned char*>(backup.data() + BACKUP_SALT_BYTES), BACKUP_IDENTITY_BYTES + PROTO_KEY_LENGTH_BYTES);
backup.append(controlHash.left(BACKUP_HASH_BYTES));
if (backup.size() != (BACKUP_SALT_BYTES + BACKUP_IDENTITY_BYTES + PROTO_KEY_LENGTH_BYTES + BACKUP_HASH_BYTES)) {
throw InternalErrorException() << QString("Could not build backup - invalid packet length (%1 vs. %2 Bytes).").arg(clientSecKey.size()).arg(BACKUP_SALT_BYTES + BACKUP_IDENTITY_BYTES + PROTO_KEY_LENGTH_BYTES + BACKUP_HASH_BYTES).toStdString();
}
// The Backup is build from SALT + IDENTITY + KEY + HASH
crypto_stream_xor(reinterpret_cast<unsigned char*>(backup.data() + BACKUP_SALT_BYTES), reinterpret_cast<unsigned char*>(backup.data() + BACKUP_SALT_BYTES), BACKUP_IDENTITY_BYTES + PROTO_KEY_LENGTH_BYTES + BACKUP_HASH_BYTES, reinterpret_cast<unsigned char*>(nonceBytes.data()), reinterpret_cast<unsigned char*>(encryptionKey.data()));
// Encode in Base32
return Base32::encodeBase32Sequence(backup);
}
void UserDialog::addUser()
{
QSqlRecord record;
QSqlField id("id", QVariant::Int);
QSqlField username("username", QVariant::String);
QSqlField email("email", QVariant::String);
QSqlField hashedPassword("hashed_password", QVariant::String);
QSqlField salt("salt", QVariant::String);
QSqlField roleId("role_id", QVariant::Int);
id.setAutoValue(true);
username.setValue(QVariant(usernameLineEdit->text()));
email.setValue(QVariant(emailLineEdit->text()));
QString generatedSalt = QUuid::createUuid().toString();
QString generatedHashedPassword = QCryptographicHash::hash(passwordLineEdit->text().toAscii()
+ generatedSalt.toAscii(),
QCryptographicHash::Sha1);
hashedPassword.setValue(QVariant(generatedHashedPassword));
salt.setValue(QVariant(generatedSalt));
roleId.setValue(QVariant(getRoleId()));
record.append(id);
record.append(username);
record.append(email);
record.append(hashedPassword);
record.append(salt);
record.append(roleId);
if(isFieldInputValid()
&& !isPasswordEmpty()
&& !userExists()
&& userModel->insertRecord(-1, record))
{
accept();
}
else
{
userModel->revertAll();
}
}
void CEncrypt::CreateOwnerKey()
{
CryptoPP::RandomPool prng;
CryptoPP::SecByteBlock salt(16);
CryptoPP::OS_GenerateRandomBlock(false, salt, salt.size());
prng.IncorporateEntropy(salt, salt.size());
memcpy(m_anOwnerKey + 32, salt.data(), salt.size());
CryptoPP::SHA256 hash;
hash.Update( (unsigned char*) impl->m_sOwnerPassword.c_str(), impl->m_sOwnerPassword.length());
hash.Update( m_anOwnerKey + 32, 8);
hash.Update( m_anUserKey, 48);
CryptoPP::SecByteBlock pHashData(hash.DigestSize());
hash.Final(pHashData);
if (MakeFileKey3(impl->m_sOwnerPassword, pHashData.data(), pHashData.size(), m_anUserKey, 48))
{
memcpy(m_anOwnerKey, pHashData.data(), pHashData.size());
hash.Update( (unsigned char*) impl->m_sOwnerPassword.c_str(), impl->m_sOwnerPassword.length());
hash.Update( m_anOwnerKey + 40, 8);
hash.Update( m_anUserKey, 48);
CryptoPP::SecByteBlock pHashKeyData(hash.DigestSize());
hash.Final(pHashKeyData);
MakeFileKey3(impl->m_sOwnerPassword, pHashKeyData.data(), pHashKeyData.size(), m_anUserKey, 48);
unsigned char empty[16] = {};
CryptoPP::AES::Encryption aesEncryption(pHashKeyData.data(), pHashKeyData.size());
CryptoPP::CBC_Mode_ExternalCipher::Encryption cbcEncryption( aesEncryption, empty);
CryptoPP::StreamTransformationFilter stfEncryption(cbcEncryption, new CryptoPP::ArraySink( m_anOwnerEncryptKey, 32), CryptoPP::StreamTransformationFilter::NO_PADDING );
stfEncryption.Put2(impl->m_anEncryptionKey, 32, 1, true);
stfEncryption.MessageEnd();
}
}
SqlConnection::ContainedData SqlConnection::getUserByName(const std::string &username)
{
sqlite3_stmt * stat;
prepareStatement(&stat, PREPARE_SELECT_USER_STATEMENT);
sqlite3_bind_text(stat, 1, username.c_str(), username.length() +1, NULL);
QMutexLocker l(&mutex);
if(sqlite3_step(stat) !=SQLITE_ROW)
{
sqlite3_finalize(stat);
throw SqlException("The user is not in the db");
}
ContainedData t;
t.id = sqlite3_column_int(stat, 0);
char * t1, *t2, *t3;
t1 = (char*)sqlite3_column_text(stat,1);
t2 = (char*)sqlite3_column_text(stat,2);
t3 = (char*)sqlite3_column_text(stat,3);
QString name(t1), pass(t2), salt(t3);
t.name = name;
t.password = pass;
t.salt = salt;
//free(t1);
//free(t2);
//free(t3);
sqlite3_finalize(stat);
return t;
}
void PSSR_MEM_Base::ComputeMessageRepresentative(RandomNumberGenerator &rng,
const byte *recoverableMessage, size_t recoverableMessageLength,
HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
byte *representative, size_t representativeBitLength) const
{
assert(representativeBitLength >= MinRepresentativeBitLength(hashIdentifier.second, hash.DigestSize()));
const size_t u = hashIdentifier.second + 1;
const size_t representativeByteLength = BitsToBytes(representativeBitLength);
const size_t digestSize = hash.DigestSize();
const size_t saltSize = SaltLen(digestSize);
byte *const h = representative + representativeByteLength - u - digestSize;
SecByteBlock digest(digestSize), salt(saltSize);
hash.Final(digest);
rng.GenerateBlock(salt, saltSize);
// compute H = hash of M'
byte c[8];
PutWord(false, BIG_ENDIAN_ORDER, c, (word32)SafeRightShift<29>(recoverableMessageLength));
PutWord(false, BIG_ENDIAN_ORDER, c+4, word32(recoverableMessageLength << 3));
hash.Update(c, 8);
hash.Update(recoverableMessage, recoverableMessageLength);
hash.Update(digest, digestSize);
hash.Update(salt, saltSize);
hash.Final(h);
// compute representative
GetMGF().GenerateAndMask(hash, representative, representativeByteLength - u - digestSize, h, digestSize, false);
byte *xorStart = representative + representativeByteLength - u - digestSize - salt.size() - recoverableMessageLength - 1;
xorStart[0] ^= 1;
xorbuf(xorStart + 1, recoverableMessage, recoverableMessageLength);
xorbuf(xorStart + 1 + recoverableMessageLength, salt, salt.size());
memcpy(representative + representativeByteLength - u, hashIdentifier.first, hashIdentifier.second);
representative[representativeByteLength - 1] = hashIdentifier.second ? 0xcc : 0xbc;
if (representativeBitLength % 8 != 0)
representative[0] = (byte)Crop(representative[0], representativeBitLength % 8);
}
int main(int argc, char *argv[])
{
QByteArray key("k04LbM3wLGa97rVm30Kyhas");
QByteArray salt("013oPQLbplrz39g2oJElNyPQ20ms7H5v");
QApplication app(argc, argv);
QApplication::setStyle("plastique");
Q_INIT_RESOURCE(marbles);
_engine = new MaEngine();
_engine->setEncryptKey(key);
_engine->setEncryptSalt(salt);
QString applicationDirPath(QCoreApplication::applicationDirPath());
QFileInfo appFileInfo(QCoreApplication::applicationFilePath());
const QString appFileName(appFileInfo.fileName());
QString configPath;
#if defined(Q_WS_MAC)
int pos = applicationDirPath.indexOf(QObject::tr("/%1.app/Contents/MacOS").arg(appFileName));
if (pos > 0)
{
applicationDirPath.append("/../Resources");
}
#endif // defined(Q_WS_MAC)
configPath = QObject::tr("%1/%2.xml").arg(applicationDirPath).arg(appFileName);
QFileInfo fi(configPath);
if (fi.exists())
_engine->loadConfig(fi.absoluteFilePath());
_mainWindow = new MaMainWindow();
QObject::connect(_engine, SIGNAL(openedStore()),
_mainWindow, SLOT(onOpenedStore()));
_mainWindow->show();
if (!_engine->lastOpenedStoreLocation().isEmpty())
_engine->openStore(_engine->lastOpenedStoreLocation());
else
_mainWindow->onOpenStore();
// _engine->store()->setPassword("skyout");
/*
QString text("this is a test string.");
QByteArray btext(text.toAscii());
QByteArray key("THIS IS THE KEY");
QByteArray salt;
MaStore::encrypt(btext, key, salt);
qDebug() << "text (encrypted)" << btext << ", salt=" << salt;
MaStore::encrypt(btext, key, salt);
qDebug() << "text (clear)" << btext << ", salt=" << salt;
return 0;
*/
int res = app.exec();
_engine->onShuttingDown();
delete _engine;
return res;
}
//-----------------------------------【main( )函数】------------------------------------------------------------------------------
// 描述：控制台应用程序的入口函数，我们的程序从这里开始
//--------------------------------------------------------------------------------------------------------------------------------
int main(int agrc, char** agrv)
{
initMain();//初始化
//载入原图
g_srcImage = imread(".\\sourcePicture\\3.bmp");
//添加噪音
if (noice)
{
salt(g_srcImage);
imwrite("./output/noice.bmp", g_gradBmp);
}
//定义一个Mat类型并给其设定ROI区域
//g_srcImage = g_srcImage(Rect(0, 0, 250, 250));
//判断是否读取成功
if (!g_srcImage.data)
{
cout << "读取图片srcImage时出错！\n";
return false;
}
//将原图转换为灰度图
cvtColor(g_srcImage, g_srcGrayImage, CV_BGR2GRAY);
ShowHelpText(g_srcGrayImage);
//histGram(g_srcGrayImage);
Edge edge1;
Edge edge(g_srcGrayImage);//传值初始化
edge.Init();//深入初始化
//edge.edgeDection(1,NULL);
//创建Canny检测的tracebar
namedWindow("Canny检测");
//namedWindow("listk1"); namedWindow("listk1&&listk2");
createTrackbar("参数值：", "Canny检测", &g_cannyLowThreshold, 160, edge.on_Canny);
namedWindow("g_mergImg");//, CV_WINDOW_NORMAL
//createTrackbar("梯度：", "g_mergImg", &TH, 80, edge.edgeDection);
//createTrackbar("相似度：", "g_mergImg", &TH1, 40, edge.edgeDection);
//createTrackbar("相似度：", "g_edge[1]", &g_di, 80, edge.listK);
edge.edgeDection();
//edge.edgeDection1();
g_srcGrayImage.convertTo(g_srcGrayImage, CV_32F);
if (xls)
{
edge.outXls(g_srcGrayImage, "./output/gray.xls");
//outxlsInt(g_biGrad, "./output/bigrad.xls");
}
//cout << g_ltedge << endl;
//将原图转换为灰度图
//g_dstImage.convertTo(g_dstImage, CV_8UC1);
//namedWindow("dst");
//imshow("dst", g_dstImage);
//显示梯度图片
g_srcGrad.convertTo(g_gradBmp, CV_8UC1);
imshow("梯度图", g_gradBmp);
imwrite("./output/grad.bmp", g_gradBmp);
//轮询获取按键信息，若按下Q，程序退出
while ((char(waitKey(1)) != 'q')) {}
return 0;
}
bool BotanWrapper::EncryptFile(QString Source, QString Destination)
{
QFileInfo name = Source;
QString base = name.baseName();
QString encrypted1 = eoutput + base + ".gg";
QString encrypted2 = toutput + base + ".twofish";
QFile e(encrypted1);
QFile t(encrypted2);
try
{
//Setup the key derive functions
PKCS5_PBKDF2 pbkdf2(new HMAC(new Keccak_1600));
const u32bit PBKDF2_ITERATIONS = 700000;
qDebug() << "create keys";
//Create the KEY and IV
KDF* kdf = get_kdf("KDF2(SHA-512)");
AutoSeeded_RNG rng;
qDebug() << "create salt";
SecureVector<byte> salt(256);
rng.randomize(&salt[0], salt.size());
mSalt = salt;
qDebug() << "create master key";
//Create the master key
SecureVector<byte> mMaster = pbkdf2.derive_key(128, mPassword.toStdString(), &mSalt[0], mSalt.size(),PBKDF2_ITERATIONS).bits_of();
SymmetricKey mKey = kdf->derive_key(32, mMaster, "salt1");
InitializationVector mIV = kdf->derive_key(16, mMaster, "salt2");
qDebug() << "start encryption";
string inFilename = Source.toStdString();
string outFilename = encrypted1.toStdString();
std::ifstream inFile(inFilename.c_str());
std::ofstream outFile(outFilename.c_str());
Pipe pipe(get_cipher("AES-256/EAX", mKey, mIV,ENCRYPTION),new DataSink_Stream(outFile));
outFile.write((const char*)mSalt.begin(), mSalt.size());
pipe.start_msg();
inFile >> pipe;
pipe.end_msg();
outFile.flush();
outFile.close();
inFile.close();
QMessageBox msgBox;
/*****************TWOFISH ENCRYPTION********************/
qDebug() << "Twofish";
//Setup the key derive functions
PKCS5_PBKDF2 pbkdf3(new HMAC(new Skein_512));
//Create the KEY and IV
KDF* kdf2 = get_kdf("KDF2(Whirlpool)");
SecureVector<byte> salt2(256);
rng.randomize(&salt2[0], salt2.size());
mSalt2 = salt2;
//Create the master key
SecureVector<byte> mMaster2 = pbkdf3.derive_key(128, mPassword2.toStdString(), &mSalt2[0], mSalt2.size(),PBKDF2_ITERATIONS).bits_of();
SymmetricKey mKey2 = kdf2->derive_key(32, mMaster2, "salt1");
InitializationVector mIV2 = kdf2->derive_key(16, mMaster2, "salt2");
string inFilename2 = encrypted1.toStdString();
string outFilename2 = encrypted2.toStdString();
std::ifstream inFile2(inFilename2.c_str());
std::ofstream outFile2(outFilename2.c_str());
Pipe pipe2(get_cipher("Twofish/CFB", mKey2, mIV2,ENCRYPTION),new DataSink_Stream(outFile2));
outFile2.write((const char*)mSalt2.begin(), mSalt2.size());
pipe2.start_msg();
inFile2 >> pipe2;
pipe2.end_msg();
outFile2.flush();
outFile2.close();
inFile2.close();
/**************************SERPENT ENCRYPTION*****************/
//Create the KEY and IV
KDF* kdf3 = get_kdf("KDF2(Tiger)");
SecureVector<byte> salt3(256);
rng.randomize(&salt3[0], salt3.size());
mSalt3 = salt3;
//Create the master key
SecureVector<byte> mMaster3 = pbkdf2.derive_key(128, mPassword3.toStdString(), &mSalt3[0], mSalt3.size(),PBKDF2_ITERATIONS).bits_of();
SymmetricKey mKey3 = kdf3->derive_key(32, mMaster3, "salt1");
InitializationVector mIV3 = kdf3->derive_key(16, mMaster3, "salt2");
string inFilename3 = encrypted2.toStdString();
string outFilename3 = Destination.toStdString();
std::ifstream inFile3(inFilename3.c_str());
std::ofstream outFile3(outFilename3.c_str());
qDebug() << "serpent";
Pipe pipe3(get_cipher("Serpent/CBC/PKCS7", mKey3, mIV3,ENCRYPTION),new DataSink_Stream(outFile3));
outFile3.write((const char*)mSalt3.begin(), mSalt3.size());
pipe3.start_msg();
inFile3 >> pipe3;
pipe3.end_msg();
outFile3.flush();
outFile3.close();
inFile3.close();
msgBox.setText("Success!");
msgBox.setInformativeText("File successfully encrypted!");
msgBox.setStandardButtons(QMessageBox::Ok);
msgBox.setDefaultButton(QMessageBox::Ok);
msgBox.exec();
e.remove(); t.remove();
return true;
}
catch(...)
{
return false;
}
}