atrhandler.c File Reference

This keeps track of smartcard protocols, timing issues and ATR (Answer-to-Reset) handling. More...

#include "config.h"
#include <string.h>
#include "misc.h"
#include "pcsclite.h"
#include "debuglog.h"
#include "atrhandler.h"

Include dependency graph for atrhandler.c:

Go to the source code of this file.

Functions
short	ATRDecodeAtr (PSMARTCARD_EXTENSION psExtension, PUCHAR pucAtr, DWORD dwLength)
	Uncomment the following for ATR debugging or use .

---

Detailed Description

This keeps track of smartcard protocols, timing issues and ATR (Answer-to-Reset) handling.

Note:

use ./configure --enable-debugatr to enable debug messages to be logged.

Definition in file atrhandler.c.

---

Function Documentation

short ATRDecodeAtr	(	PSMARTCARD_EXTENSION	psExtension,
		PUCHAR	pucAtr,
		DWORD	dwLength
	)

Uncomment the following for ATR debugging or use .

/configure --enable-debugatr parse an ATR

Parameters:

[out]	psExtension
[in]	pucAtr	ATR
[in]	dwLength	ATR length

Returns:

Return values:

	0	Atr must have TS and T0
	0	Unable to decode TS byte
	0	Unable to decode LNS
	0	Unable do decode T protocol
	0	Maximum attribute size
	0	Maximum attribute size
	1	Success

Definition at line 43 of file atrhandler.c.

References MAX_ATR_SIZE, SCARD_PROTOCOL_T0, SCARD_PROTOCOL_T1, SCARD_PROTOCOL_T15, and SCARD_PROTOCOL_UNDEFINED.

Referenced by IFDPowerICC(), IFDStatusICC(), PHGetAvailableProtocols(), and PHGetDefaultProtocol().