Method setKey

examples/dbcrypt/DbCrypt.cpp:188–246

}

void DbCrypt::setKey(CheckStatusWrapper* status, unsigned int length, IKeyHolderPlugin** sources,
	const char* keyName)
{
	status->init();

	if (key != 0)
		return;

	strncpy(savedKeyName, (keyName ? keyName : ""), sizeof(savedKeyName));
	savedKeyName[sizeof(savedKeyName) - 1] = 0;

	IConfig* def = config->getDefaultConfig(status);
	if (status->getState() & Firebird::IStatus::STATE_ERRORS)
		return;

	IConfigEntry* confEntry = def->find(status, "Auto");
	if (status->getState() & Firebird::IStatus::STATE_ERRORS)
	{
		def->release();
		return;
	}

	if (confEntry)
	{
		char v = *(confEntry->getValue());
		confEntry->release();
		if (v == '1' || v == 'y' || v == 'Y' || v == 't' || v == 'T')
		{
			confEntry = def->find(status, "Value");
			def->release();
			if (confEntry)
			{
				v = confEntry->getIntValue();
				confEntry->release();
				if (v)
				{
					key = v;
					return;
				}
			}
			key = 0x5a;
			return;
		}
		def->release();
	}

	for (unsigned n = 0; n < length; ++n)
	{
		ICryptKeyCallback* callback = sources[n]->keyHandle(status, savedKeyName);
		if (status->getState() & Firebird::IStatus::STATE_ERRORS)
			return;

		if (callback && callback->callback(0, NULL, 1, &key) == 1)
			return;
	}

	key = 0;
	noKeyError(status);