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#include "cryptengine.h"
CryptEngine::CryptEngine(QObject *parent)
: QObject(parent)
{
m_algorithm = 0; //Initialize NullCipher
m_cryptClass = new CryptClassNullCipher;
}
CryptEngine::~CryptEngine()
{
delete m_cryptClass;
}
void CryptEngine::generateRandomKey()
{
m_cryptClass->generateRandomKey();
}
void CryptEngine::setKey(QString value)
{
m_cryptClass->setKey( value.toLatin1() );
}
void CryptEngine::setKey(QByteArray value)
{
m_cryptClass->setKey( value );
}
void CryptEngine::setKey(const uchar *value, int keyLength )
{
m_cryptClass->setKey( value, keyLength );
}
QByteArray &CryptEngine::getKey()
{
return m_cryptClass->getKey();
}
void CryptEngine::setCryptText(QByteArray value)
{
m_cryptClass->setCryptText(value);
}
void CryptEngine::setCryptText(const uchar *value, int dataLength )
{
m_cryptClass->setCryptText(value, dataLength);
}
void CryptEngine::setClearText(QByteArray value)
{
m_cryptClass->setClearText(value);
}
void CryptEngine::setClearText(const uchar *value, int dataLength )
{
m_cryptClass->setClearText(value, dataLength);
}
void CryptEngine::encrypt()
{
//If cleartext present, set in CryptClass, encrypt, and fetch encrypted data
if( m_cryptClass->getClearText().length() > 0 )
{
m_cryptClass->encrypt();
}
}
void CryptEngine::decrypt()
{
//If crypttext present, set in CryptClass, decrypt, and fetch decrypted data
if( m_cryptClass->getCryptText().length() > 0 )
{
m_cryptClass->decrypt();
}
}
void CryptEngine::oncipherSelected_triggered(int cipher)
{
m_algorithm = cipher;
//Get Instance of Singleton mapping Integers to String for Cipher description
CiphersSingleton ciphers = CiphersSingleton::getInstance();
//Algorithm contains cipher as text.
QString algorithm = ciphers.textFromValue(m_algorithm);
//delete old CryptClass and create new one according to selected algorithm
if( algorithm == "NullCipher" )
{
delete m_cryptClass;
m_cryptClass = new CryptClassNullCipher;
qDebug("CryptEngine::oncipherSelected_triggered - NullCipher");
}
else if( algorithm == "Caesar" )
{
delete m_cryptClass;
m_cryptClass = new CryptClassCaesar;
qDebug("CryptEngine::oncipherSelected_triggered - Caesar");
}
else if( algorithm == "RC4" )
{
delete m_cryptClass;
m_cryptClass = new CryptClassRc4;
qDebug("CryptEngine::oncipherSelected_triggered - RC4");
}
else if( algorithm == "Cube" )
{
// delete m_cryptClass;
// m_cryptClass = new CryptClassCube;
qDebug("CryptEngine::oncipherSelected_triggered - Cube");
}
else if( algorithm == "AES" )
{
delete m_cryptClass;
m_cryptClass = new CryptAes;
qDebug("CryptEngine::oncipherSelected_triggered - AES");
}
else if( algorithm == "RSA" )
{
// delete m_cryptClass;
// m_cryptClass = new CryptClassRSA;
qDebug("CryptEngine::oncipherSelected_triggered - RSA");
}
else if( algorithm == "ECC" )
{
// delete m_cryptClass;
// m_cryptClass = new CryptClassECC;
qDebug("CryptEngine::oncipherSelected_triggered - ECC");
}
//Send Signal confirming if data is binary or not
emit binaryData( m_cryptClass->getBinaryData() );
}
void CryptEngine::onkeylengthChanged(int value, bool symmetric)
{
qDebug("CrptEngine::onkeylengthChanged - new Keylength: %d", value);
m_cryptClass->setKeyLength(value);
}
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