CK_MECHANISM_TYPE decrypt_mechanism;
	CK_VOID_PTR decrypt_mech_parm;
	CK_ULONG decrypt_mech_parmlen;
	struct cackey_identity *decrypt_identity;
};

struct cackey_slot {
	unsigned int id;

	int active;
	int internal;

	char *pcsc_reader;

	int pcsc_card_connected;
	SCARDHANDLE pcsc_card;
	DWORD pcsc_state;

	int transaction_depth;
	int transaction_need_hw_lock;

	int slot_reset;

	CK_FLAGS token_flags;

	if (slot->pcsc_card_connected) {
		SCardDisconnect(slot->pcsc_card, SCARD_LEAVE_CARD);
	}

	slot->slot_reset = 1;
	slot->pcsc_card_connected = 0;
	slot->token_flags = CKF_LOGIN_REQUIRED;
	slot->pcsc_state = SCARD_STATE_UNAWARE;

	CACKEY_DEBUG_PRINTF("Returning.");

	return;
}

/*

	}

	for (idx = 0; idx < (sizeof(cackey_sessions) / sizeof(cackey_sessions[0])); idx++) {
		cackey_sessions[idx].active = 0;
	}

	for (idx = 0; idx < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); idx++) {
		cackey_slots[idx].id = idx;
		cackey_slots[idx].active = 0;
		cackey_slots[idx].pcsc_reader = NULL;
		cackey_slots[idx].pcsc_state = SCARD_STATE_UNAWARE;
		cackey_slots[idx].transaction_depth = 0;
		cackey_slots[idx].transaction_need_hw_lock = 0;
		cackey_slots[idx].slot_reset = 0;
		cackey_slots[idx].token_flags = 0;
		cackey_slots[idx].label = NULL;
		cackey_slots[idx].internal = 0;
	}

	CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i)", CKR_OK);

	return(CKR_OK);
}

CK_DEFINE_FUNCTION(CK_RV, C_WaitForSlotEvent)(CK_FLAGS flags, CK_SLOT_ID_PTR pSlotID, CK_VOID_PTR pReserved) {
	SCARD_READERSTATE reader_states[(sizeof(cackey_slots) / sizeof(cackey_slots[0])) + 1];
	SCARDCONTEXT pcsc_handle;
	LONG scard_getstatchng_ret;
	LONG scard_est_context_ret;
	struct cackey_slot *cackey_slot;
	unsigned int currslot, reader_state_slot;
	int pcsc_connect_ret;

	CACKEY_DEBUG_PRINTF("Called.");

	if (pReserved != NULL) {
		CACKEY_DEBUG_PRINTF("Error. pReserved is not NULL.");

		return(CKR_ARGUMENTS_BAD);
	}

	if (pSlotID == NULL) {
		CACKEY_DEBUG_PRINTF("Error. pSlotID is NULL.");

		return(CKR_ARGUMENTS_BAD);
	}

	if (!cackey_initialized) {
		CACKEY_DEBUG_PRINTF("Error.  Not initialized.");

		return(CKR_CRYPTOKI_NOT_INITIALIZED);
	}

	pcsc_connect_ret = cackey_pcsc_connect();
	if (pcsc_connect_ret != CACKEY_PCSC_S_OK) {
		CACKEY_DEBUG_PRINTF("Connection to PC/SC failed, returning in failure");

		return(CKR_GENERAL_ERROR);
	}

	if ((flags & CKF_DONT_BLOCK) == CKF_DONT_BLOCK) {
		/* XXX TODO */
		CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because we were asked to not block", CKR_GENERAL_ERROR);

		return(CKR_GENERAL_ERROR);
	} else {
		for (reader_state_slot = currslot = 0; currslot < (sizeof(cackey_slots) / sizeof(cackey_slots[0])); currslot++) {
			if (cackey_slots[currslot].internal) {
				continue;
			}

			if (cackey_slots[currslot].active == 0) {
				continue;
			}

			reader_states[reader_state_slot].szReader = cackey_slots[currslot].pcsc_reader;
			reader_states[reader_state_slot].pvUserData = &cackey_slots[currslot];

			reader_states[reader_state_slot].dwCurrentState = cackey_slots[currslot].pcsc_state;

			reader_state_slot++;
		}

		reader_states[reader_state_slot].szReader = "\\\\?PnP?\\Notification";
		reader_states[reader_state_slot].pvUserData = NULL;
		reader_states[reader_state_slot].dwCurrentState = SCARD_STATE_UNAWARE;
		reader_state_slot++;

		scard_est_context_ret = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &pcsc_handle);
		if (scard_est_context_ret != SCARD_S_SUCCESS) {
			CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because SCardEstablishContext failed: %lx", CKR_GENERAL_ERROR, scard_est_context_ret);

			return(CKR_GENERAL_ERROR);
		}

		scard_getstatchng_ret = SCardGetStatusChange(pcsc_handle, INFINITE, reader_states, reader_state_slot);

		SCardReleaseContext(pcsc_handle);

		if (scard_getstatchng_ret != SCARD_S_SUCCESS) {
			CACKEY_DEBUG_PRINTF("Returning CKR_GENERAL_ERROR (%i) because SCardGetStatusChange failed: %lx", CKR_GENERAL_ERROR, scard_getstatchng_ret);

			return(CKR_GENERAL_ERROR);
		}

		for (currslot = 0; currslot < reader_state_slot; currslot++) {
			CACKEY_DEBUG_PRINTF("[slot = %u] CurrentState = %lx, EventState = %lx",
			    currslot,
			    reader_states[currslot].dwCurrentState & 0xffff,
			    reader_states[currslot].dwEventState & 0xffff
			);

			if (reader_states[currslot].dwCurrentState != reader_states[currslot].dwEventState) {
				cackey_slot = (struct cackey_slot *) reader_states[currslot].pvUserData;

				if (cackey_slot == NULL) {
					/* XXX: TODO: Someone plugged in a new slot */
					continue;
				}

				CACKEY_DEBUG_PRINTF("Returning slot changed: %u", (unsigned int) cackey_slot->id);

				cackey_slot->pcsc_state = reader_states[currslot].dwEventState;
				*pSlotID = (CK_SLOT_ID) cackey_slot->id;

				CACKEY_DEBUG_PRINTF("Returning CKR_OK (%i)", CKR_OK);

				return(CKR_OK);
			}
		}
	}

	CACKEY_DEBUG_PRINTF("Returning CKR_FUNCTION_NOT_SUPPORTED (%i)", CKR_FUNCTION_NOT_SUPPORTED);

	return(CKR_FUNCTION_NOT_SUPPORTED);
}

CK_DEFINE_FUNCTION(CK_RV, C_GetMechanismList)(CK_SLOT_ID slotID, CK_MECHANISM_TYPE_PTR pMechanismList, CK_ULONG_PTR pulCount) {
	CACKEY_DEBUG_PRINTF("Called.");

	slots = malloc(sizeof(*slots) * numSlots);

	chk_rv = C_GetSlotList(FALSE, slots, &numSlots);
	if (chk_rv != CKR_OK) {
		return(1);
	}

	currSlot = 0;
	printf("Please insert a card now.\n");
	chk_rv = C_WaitForSlotEvent(0, &currSlot, NULL);
	if (chk_rv != CKR_OK) {
		printf("Failed to wait for slot event.\n");
	}

	for (currSlot = 0; currSlot < numSlots; currSlot++) {
		printf("  Slot %lu:\n", currSlot);

		chk_rv = C_GetSlotInfo(slots[currSlot], &slotInfo);
		if (chk_rv != CKR_OK) {
			return(1);