コード例 #1
0
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;
}
コード例 #2
0
ファイル: botanwrapper.cpp プロジェクト: m1r4g3/krypta
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;
    }
}