idVendor: 0x09C3 iManufacturer: HID Global idProduct: 0x0028 iProduct: Crescendo Key bcdDevice: 1.0 (firmware release?) bLength: 9 bDescriptorType: 4 bInterfaceNumber: 2 bAlternateSetting: 0 bNumEndpoints: 3 bulk-IN, bulk-OUT and Interrupt-IN bInterfaceClass: 0x0B [Chip Card Interface Device Class (CCID)] bInterfaceSubClass: 0 bInterfaceProtocol: 0 bulk transfer, optional interrupt-IN (CCID) Can't get iInterface string CCID Class Descriptor bLength: 0x36 bDescriptorType: 0x21 bcdCCID: 1.00 bMaxSlotIndex: 0x00 bVoltageSupport: 0x02 3.0V dwProtocols: 0x0000 0x0002 T=1 dwDefaultClock: 4.000 MHz dwMaximumClock: 4.000 MHz bNumClockSupported: 0 (will use whatever is returned) IFD does not support GET CLOCK FREQUENCIES request: Resource temporarily unavailable dwDataRate: 10753 bps dwMaxDataRate: 250000 bps bNumDataRatesSupported: 0 (will use whatever is returned) IFD does not support GET_DATA_RATES request: Resource temporarily unavailable dwMaxIFSD: 254 dwSynchProtocols: 0x00000000 dwMechanical: 0x00000000 No special characteristics dwFeatures: 0x000104F2 ....02 Automatic parameter configuration based on ATR data ....10 Automatic ICC clock frequency change according to parameters ....20 Automatic baud rate change according to frequency and Fi, Di params ....40 Automatic parameters negotiation made by the CCID ....80 Automatic PPS made by the CCID ..04.. Automatic IFSD exchange as first exchange (T=1) 01.... TPDU level exchange dwMaxCCIDMessageLength: 271 bytes bClassGetResponse: 0x00 bClassEnvelope: 0x00 wLcdLayout: 0x0000 bPINSupport: 0x00 bMaxCCIDBusySlots: 1