Functions
int	PCSCv2Part10_find_TLV_property_by_tag_from_buffer (unsigned char buffer, int length, int property, int value)
	Find an integer value by tag from TLV buffer. More...

int	PCSCv2Part10_find_TLV_property_by_tag_from_hcard (SCARDHANDLE hCard, int property, int *value)
	Find a integer value by tag from a PC/SC card handle. More...

Detailed Description

The available PC/SC v2 part 10 tags are (from pcsc-lite 1.8.5):

Example of code:

/*
    sample.c: example of use of libPCSCv2part10 helper functions
    Copyright (C) 2012   Ludovic Rousseau
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/
/*
 * $Id$
 */
#include <stdio.h>
#ifdef __APPLE__
#include <PCSC/winscard.h>
#include <PCSC/wintypes.h>
#else
#include <winscard.h>
#endif
#include "PCSCv2part10.h"
/* PCSC error */
#define PCSC_ERROR_EXIT(rv) \
if (rv != SCARD_S_SUCCESS) \
{ \
    printf("Failed at line %d with %s (0x%lX)\n", __LINE__, pcsc_stringify_error(rv), rv); \
    goto end; \
}
int main(void)
{
    LONG rv;
    SCARDCONTEXT hContext;
    SCARDHANDLE hCard;
    int value, ret = -1;
    DWORD dwReaders, dwPref;
    char *mszReaders;
    rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext);
    PCSC_ERROR_EXIT(rv)
    dwReaders = SCARD_AUTOALLOCATE;
    rv = SCardListReaders(hContext, NULL, (LPSTR)&mszReaders, &dwReaders);
    PCSC_ERROR_EXIT(rv)
    /* use first reader */
    printf("Using reader: %s\n", mszReaders);
    rv = SCardConnect(hContext, mszReaders,
        SCARD_SHARE_DIRECT, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1,
        &hCard, &dwPref);
    PCSC_ERROR_EXIT(rv)
    /* the interesting part is here */
    ret = PCSCv2Part10_find_TLV_property_by_tag_from_hcard(hCard,
        PCSCv2_PART10_PROPERTY_wIdVendor, &value);
    printf("ret: %d\n", ret);
    printf("value for PCSCv2_PART10_PROPERTY_wIdVendor: 0x%04X\n", value),
    rv = SCardDisconnect(hCard, SCARD_LEAVE_CARD);
    PCSC_ERROR_EXIT(rv)
    rv = SCardFreeMemory(hContext, mszReaders);
    PCSC_ERROR_EXIT(rv)
    rv = SCardReleaseContext(hContext);
    PCSC_ERROR_EXIT(rv)
end:
    return ret;
}

Function Documentation

int PCSCv2Part10_find_TLV_property_by_tag_from_buffer	(	unsigned char *	buffer,
		int	length,
		int	property,
		int *	value
	)

Find an integer value by tag from TLV buffer.

Parameters

	buffer	buffer received from FEATURE_GET_TLV_PROPERTIES
	length	buffer length
	property	tag searched
[out]	value	value found

Returns: Error code

Return values

0	success
-1	not found
-2	invalid length in the TLV

int PCSCv2Part10_find_TLV_property_by_tag_from_hcard	(	SCARDHANDLE	hCard,
		int	property,
		int *	value
	)

Find a integer value by tag from a PC/SC card handle.

Parameters

	hCard	card handle as returned by SCardConnect()
	property	tag searched
[out]	value	value found

Returns: Error code (see PCSCv2Part10_find_TLV_property_by_tag_from_buffer())

Functions

Detailed Description

Function Documentation