C++ (Cpp) keySubst Examples

Example #1

File: CryptoManager.cpp Project: BackupTheBerlios/linuxdcpp

string CryptoManager::makeKey(const string& aLock) {
	if(aLock.size() < 3)
		return Util::emptyString;

    u_int8_t* temp = new u_int8_t[aLock.length()];
	u_int8_t v1;
	size_t extra=0;
	
	v1 = (u_int8_t)(aLock[0]^5);
	v1 = (u_int8_t)(((v1 >> 4) | (v1 << 4)) & 0xff);
	temp[0] = v1;
	
	string::size_type i;

	for(i = 1; i<aLock.length(); i++) {
		v1 = (u_int8_t)(aLock[i]^aLock[i-1]);
		v1 = (u_int8_t)(((v1 >> 4) | (v1 << 4))&0xff);
		temp[i] = v1;
		if(isExtra(temp[i]))
			extra++;
	}
	
	temp[0] = (u_int8_t)(temp[0] ^ temp[aLock.length()-1]);
	
	if(isExtra(temp[0])) {
		extra++;
	}
	
	string tmp = keySubst(temp, aLock.length(), extra);
	delete[] temp;
	return tmp;
}

Example #2

File: CryptoManager.cpp Project: pavel-pimenov/airdcnano

string CryptoManager::makeKey(const string& aLock) {
	if(aLock.size() < 3)
		return Util::emptyString;

	boost::scoped_array<uint8_t> temp(new uint8_t[aLock.length()]);
	uint8_t v1;
	size_t extra=0;

	v1 = (uint8_t)(aLock[0]^5);
	v1 = (uint8_t)(((v1 >> 4) | (v1 << 4)) & 0xff);
	temp[0] = v1;

	string::size_type i;

	for(i = 1; i<aLock.length(); i++) {
		v1 = (uint8_t)(aLock[i]^aLock[i-1]);
		v1 = (uint8_t)(((v1 >> 4) | (v1 << 4))&0xff);
		temp[i] = v1;
		if(isExtra(temp[i]))
			extra++;
	}

	temp[0] = (uint8_t)(temp[0] ^ temp[aLock.length()-1]);

	if(isExtra(temp[0])) {
		extra++;
	}

	return keySubst(&temp[0], aLock.length(), extra);
}