Microsoft Usbccid Smartcard Reader -umdf 2- Driver May 2026

// CCID Commands NTSTATUS PowerOn(_Out_ PBYTE Atr, _Out_ PDWORD AtrLength); NTSTATUS PowerOff(); NTSTATUS Transmit(_In_ PBYTE Command, _In_ DWORD CommandLen, _Out_ PBYTE Response, _Inout_ PDWORD ResponseLen); NTSTATUS GetSlotStatus(_Out_ PDWORD Status);

BYTE apdu[] = 0x00, 0xA4, 0x04, 0x00, 0x08, 0xA0, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00; BYTE response[260]; DWORD responseLen = sizeof(response);

bp UsbCcidDevice::EvtIoDeviceControl bp UsbCcidDevice::Transmit // Test application SCARDCONTEXT hContext; SCARDHANDLE hCard; DWORD dwProtocol; SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext); SCardConnect(hContext, "Reader Name", SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, &hCard, &dwProtocol); microsoft usbccid smartcard reader -umdf 2- driver

[UsbCcidReader_Install] UmdfLibraryVersion=2.0 UmdfKernelModeClientPolicy=AllowKernelModeClients

return SendCcidCommandWithData(&transmitCmd, sizeof(transmitCmd), Command, CommandLen, Response, ResponseLen); // CCID Commands NTSTATUS PowerOn(_Out_ PBYTE Atr, _Out_

[UsbCcidReader_Install.NT] CopyFiles=UMDFDriverCopyFiles

NTSTATUS UsbCcidDevice::Transmit(PBYTE Command, DWORD CommandLen, PBYTE Response, PDWORD ResponseLen) CCID_TRANSMIT transmitCmd = 0; transmitCmd.bMessageType = PC_to_RDR_XfrBlock; transmitCmd.dwLength = CommandLen; transmitCmd.bSlot = 0; transmitCmd.bSeq = 0; transmitCmd.bBWI = 0; transmitCmd.wLevelParameter = 0; _Out_ PDWORD AtrLength)

UsbCcidDevice* context = GetDeviceContext(device); context->m_Device = device;