On Thu, Jul 20, 2017 at 11:09 AM Stefan Fritsch <s...@sfritsch.de> wrote:
> From: Stefan Fritsch <stefan_frit...@genua.de>
>
> - We want to support both T=0 and T=1. Additionally, note that all
> fields in USB descriptors are little endian and the supported
> protocols are in the lowest byte the of the 32-Bit dwProtocols field.
> - We want APDU level exchanges. This saves us from PPS exchanges and from
> APDU reassembly from T=1 packets.
>
>
Did you test this with various versions of Windows?
> Signed-off-by: Stefan Fritsch <stefan_frit...@genua.de>
> Signed-off-by: Christian Ehrhardt <christian_ehrha...@genua.de>
> ---
> hw/usb/dev-smartcard-reader.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
> index 769949144b..bc4dc35d3f 100644
> --- a/hw/usb/dev-smartcard-reader.c
> +++ b/hw/usb/dev-smartcard-reader.c
> @@ -353,8 +353,8 @@ static const uint8_t qemu_ccid_descriptor[] = {
> */
> 0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 -
> 1.8 */
>
> - 0x00, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
> - 0x01, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
> + 0x03, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
> + 0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
> /* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */
> 0xa0, 0x0f, 0x00, 0x00,
> /* u32 dwMaximumClock; */
> @@ -397,7 +397,7 @@ static const uint8_t qemu_ccid_descriptor[] = {
> * insertion and removal. Must set bit 5 in
> bmAttributes
> * in Configuration descriptor if 100000 is set.
> */
> - 0xfe, 0x04, 0x01, 0x00,
> + 0xfe, 0x04, 0x04, 0x00,
> /*
> * u32 dwMaxCCIDMessageLength; For extended APDU in
> * [261 + 10 , 65544 + 10]. Otherwise the minimum is
> --
> 2.11.0
>
>
> --
Marc-André Lureau
