src/towitoko/atr.c

/*
    atr.c
    ISO 7816 ICC's answer to reset abstract data type implementation

    This file is part of the Unix driver for Towitoko smartcard readers
    Copyright (C) 2000 Carlos Prados <cprados@yahoo.com>

    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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "atr.h"
#include <stdlib.h>
#include <string.h>

/* 
 * Not exported variables definition
 */

static unsigned long 
atr_fs_table[16] =
{ 
  0, 5000000L, 6000000L, 8000000L, 12000000L, 16000000L, 20000000L, 
  0, 0, 5000000L, 7500000L, 10000000L, 15000000L, 20000000L, 0, 0 
};

static unsigned
atr_num_ib_table[16] = 
{ 
  0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 
};

/*
 * Exported variables definition
 */

unsigned
atr_f_table[16] = 
{ 
  0, 372, 558, 744, 1116, 1488, 1860, 0, 0, 512, 768, 1024, 1536, 2048, 0, 0 
};

double 
atr_d_table[16] = 
{ 
  0, 1, 2, 4, 8, 16, 0, 0, 0, 0, 0.5, 0.25, 0.125, 0.0625, 0.03125, 0.015625 
};

unsigned 
atr_i_table[4] = 
{ 
  25, 50, 100, 0 
};

/* 
 * Exported funcions definition
 */

ATR *
ATR_New (void)
{
  ATR *atr;

  /* Allocate memory */
  atr = (ATR *) malloc (sizeof (ATR));

  return atr;
}

int
ATR_InitFromArray (ATR * atr, BYTE atr_buffer[ATR_MAX_SIZE], unsigned length)
{
  BYTE TDi;
  BYTE buffer[ATR_MAX_SIZE];
  unsigned pointer = 0, pn = 0;

  /* Check size of buffer */
  if (length < 2)
    return (ATR_MALFORMED);

  /* Check if ATR is from a inverse convention card */
  if (atr_buffer[0] == 0x03)
    {
      for (pointer = 0; pointer < length; pointer++)
        buffer[pointer] = ~(INVERT_BYTE (atr_buffer[pointer]));
    }
  else
    memcpy (buffer, atr_buffer, length);

  /* Store T0 and TS */
  atr->TS = buffer[0];

  atr->T0 = TDi = buffer[1];
  pointer = 1;

  /* Store number of historical bytes */
  atr->hbn = TDi & 0x0F;

  /* TCK is not present by default */
  (atr->TCK).present = FALSE;

  /* Extract interface bytes */
  while (pointer < length)
    {
      /* Check buffer is long enought */
      if (pointer + atr_num_ib_table[(0xF0 & TDi) >> 4] >= length)
        {
          return (ATR_MALFORMED);
        }
      /* Check TAi is present */
      if ((TDi | 0xEF) == 0xFF)
        {
          pointer++;
          atr->ib[pn][ATR_INTERFACE_BYTE_TA].value = buffer[pointer];
          atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = TRUE;
        }
      else
        atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = FALSE;
      /* Check TBi is present */
      if ((TDi | 0xDF) == 0xFF)
        {
          pointer++;
          atr->ib[pn][ATR_INTERFACE_BYTE_TB].value = buffer[pointer];
          atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = TRUE;
        }
      else
        atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = FALSE;

      /* Check TCi is present */
      if ((TDi | 0xBF) == 0xFF)
        {
          pointer++;
          atr->ib[pn][ATR_INTERFACE_BYTE_TC].value = buffer[pointer];
          atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = TRUE;
        }
      else
        atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = FALSE;

      /* Read TDi if present */
      if ((TDi | 0x7F) == 0xFF)
        {
          pointer++;
          TDi = atr->ib[pn][ATR_INTERFACE_BYTE_TD].value = buffer[pointer];
          atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = TRUE;
          (atr->TCK).present = ((TDi & 0x0F) != ATR_PROTOCOL_TYPE_T0);
          if (pn >= ATR_MAX_PROTOCOLS)
            return (ATR_MALFORMED);
          pn++;
        }
      else
        {
          atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = FALSE;
          break;
        }
    }

  /* Store number of protocols */
  atr->pn = pn + 1;

  /* Store historical bytes */
  if (pointer + atr->hbn >= length)
    return (ATR_MALFORMED);

  memcpy (atr->hb, buffer + pointer + 1, atr->hbn);
  pointer += (atr->hbn);

  /* Store TCK  */
  if ((atr->TCK).present)
    {

      if (pointer + 1 >= length)
        return (ATR_MALFORMED);

      pointer++;

      (atr->TCK).value = buffer[pointer];
    }

  atr->length = pointer + 1;
  return (ATR_OK);
}


void
ATR_Delete (ATR * atr)
{
  free (atr);
}

int
ATR_GetConvention (ATR * atr, int *convention)
{
  if (atr->TS == 0x3B)
    (*convention) = ATR_CONVENTION_DIRECT;
  else if (atr->TS == 0x3F)
    (*convention) = ATR_CONVENTION_INVERSE;
  else
    return (ATR_MALFORMED);
  return (ATR_OK);
}

int
ATR_GetSize (ATR * atr, unsigned *size)
{
  (*size) = atr->length;
  return (ATR_OK);
}

int
ATR_GetNumberOfProtocols (ATR * atr, unsigned *number_protocols)
{
  (*number_protocols) = atr->pn;
  return (ATR_OK);
}

int
ATR_GetProtocolType (ATR * atr, unsigned number_protocol, BYTE *protocol_type)
{
  if ((number_protocol > atr->pn) || number_protocol < 2)
    return ATR_NOT_FOUND;

  if (atr->ib[number_protocol - 2][ATR_INTERFACE_BYTE_TD].present)
    (*protocol_type) =
      (atr->ib[number_protocol - 2][ATR_INTERFACE_BYTE_TD].value & 0x0F);
  else
    (*protocol_type) = ATR_PROTOCOL_TYPE_T0;

  return (ATR_OK);
}

int
ATR_GetInterfaceByte (ATR * atr, unsigned number, int character, BYTE * value)
{
  if (number > atr->pn || number < 1)
    return (ATR_NOT_FOUND);

  if (atr->ib[number - 1][character].present &&
      (character == ATR_INTERFACE_BYTE_TA ||
       character == ATR_INTERFACE_BYTE_TB ||
       character == ATR_INTERFACE_BYTE_TC ||
       character == ATR_INTERFACE_BYTE_TD))
    (*value) = atr->ib[number - 1][character].value;
  else
    return (ATR_NOT_FOUND);

  return (ATR_OK);
}

int
ATR_GetIntegerValue (ATR * atr, int name, BYTE * value)
{
  int ret;

  if (name == ATR_INTEGER_VALUE_FI)
    {
      if (atr->ib[0][ATR_INTERFACE_BYTE_TA].present)
        {
          (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TA].value & 0xF0) >> 4;
          ret = ATR_OK;
        }
      else
        ret = ATR_NOT_FOUND;
    }

  else if (name == ATR_INTEGER_VALUE_DI)
    {
      if (atr->ib[0][ATR_INTERFACE_BYTE_TA].present)
        {
          (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TA].value & 0x0F);
          ret = ATR_OK;
        }
      else
        ret = ATR_NOT_FOUND;
    }

  else if (name == ATR_INTEGER_VALUE_II)
    {
      if (atr->ib[0][ATR_INTERFACE_BYTE_TB].present)
        {
          (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TB].value & 0x60) >> 5;
          ret = ATR_OK;
        }
      else
        ret = ATR_NOT_FOUND;
    }

  else if (name == ATR_INTEGER_VALUE_PI1)
    {
      if (atr->ib[0][ATR_INTERFACE_BYTE_TB].present)
        {
          (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TB].value & 0x1F);
          ret = ATR_OK;
        }
      else
        ret = ATR_NOT_FOUND;
    }

  else if (name == ATR_INTEGER_VALUE_PI2)
    {
      if (atr->ib[1][ATR_INTERFACE_BYTE_TB].present)
        {
          (*value) = atr->ib[1][ATR_INTERFACE_BYTE_TB].value;
          ret = ATR_OK;
        }
      else
        ret = ATR_NOT_FOUND;
    }

  else if (name == ATR_INTEGER_VALUE_N)
    {
      if (atr->ib[0][ATR_INTERFACE_BYTE_TC].present)
        {
          (*value) = atr->ib[0][ATR_INTERFACE_BYTE_TC].value;
          ret = ATR_OK;
        }
      else
        ret = ATR_NOT_FOUND;
    }
  else
    ret = ATR_NOT_FOUND;

  return ret;
}

int
ATR_GetParameter (ATR * atr, int name, double *parameter)
{
  BYTE FI, DI, II, PI1, PI2, N;

  if (name == ATR_PARAMETER_F)
    {
      if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_FI, &FI) == ATR_OK)
        (*parameter) = (double) (atr_f_table[FI]);
      else
        (*parameter) = (double) ATR_DEFAULT_F;
      return (ATR_OK);
    }

  else if (name == ATR_PARAMETER_D)
    {
      if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_DI, &DI) == ATR_OK)
        (*parameter) = (double) (atr_d_table[DI]);
      else
        (*parameter) = (double) ATR_DEFAULT_D;
      return (ATR_OK);
    }

  else if (name == ATR_PARAMETER_I)
    {
      if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_II, &II) == ATR_OK)
        (*parameter) = (double) (atr_i_table[II]);
      else
        (*parameter) = ATR_DEFAULT_I;
      return (ATR_OK);
    }

  else if (name == ATR_PARAMETER_P)
    {
      if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_PI2, &PI2) == ATR_OK)
        (*parameter) = (double) PI2;
      else if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_PI1, &PI1) == ATR_OK)
        (*parameter) = (double) PI1;
      else
        (*parameter) = (double) ATR_DEFAULT_P;
      return (ATR_OK);
    }

  else if (name == ATR_PARAMETER_N)
    {
      if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_N, &N) == ATR_OK)
        (*parameter) = (double) N;
      else
        (*parameter) = (double) ATR_DEFAULT_N;
      return (ATR_OK);
    }

  return (ATR_NOT_FOUND);
}

int
ATR_GetHistoricalBytes (ATR * atr, BYTE hist[ATR_MAX_HISTORICAL], unsigned *length)
{
  if (atr->hbn == 0)
    return (ATR_NOT_FOUND);

  (*length) = atr->hbn;
  memcpy (hist, atr->hb, atr->hbn);
  return (ATR_OK);
}

int
ATR_GetRaw (ATR * atr, BYTE buffer[ATR_MAX_SIZE], unsigned *length)
{
  unsigned i, j;

  buffer[0] = atr->TS;
  buffer[1] = atr->T0;

  j = 2;

  for (i = 0; i < atr->pn; i++)
    {
      if (atr->ib[i][ATR_INTERFACE_BYTE_TA].present)
        buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TA].value;

      if (atr->ib[i][ATR_INTERFACE_BYTE_TB].present)
        buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TB].value;

      if (atr->ib[i][ATR_INTERFACE_BYTE_TC].present)
        buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TC].value;

      if (atr->ib[i][ATR_INTERFACE_BYTE_TD].present)
        buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TD].value;
    }

  if (atr->hbn > 0)
    {
      memcpy (&(buffer[j]), atr->hb, atr->hbn);
      j += atr->hbn;
    }

  if ((atr->TCK).present)
    buffer[j++] = (atr->TCK).value;

  (*length) = j;

  return ATR_OK;
}

int
ATR_GetCheckByte (ATR * atr, BYTE * check_byte)
{
  if (!((atr->TCK).present))
    return (ATR_NOT_FOUND);

  (*check_byte) = (atr->TCK).value;
  return (ATR_OK);
}

int
ATR_GetFsMax (ATR * atr, unsigned long *fsmax)
{
  BYTE FI;

  if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_FI, &FI) == ATR_OK)
    (*fsmax) = atr_fs_table[FI];
  else
    (*fsmax) = atr_fs_table[1];

  return (ATR_OK);
}

1	/*
2	atr.c
3	ISO 7816 ICC's answer to reset abstract data type implementation
4
5	This file is part of the Unix driver for Towitoko smartcard readers
6	Copyright (C) 2000 Carlos Prados <cprados@yahoo.com>
7
8	This library is free software; you can redistribute it and/or
9	modify it under the terms of the GNU Lesser General Public
10	License as published by the Free Software Foundation; either
11	version 2 of the License, or (at your option) any later version.
12
13	This library is distributed in the hope that it will be useful,
14	but WITHOUT ANY WARRANTY; without even the implied warranty of
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16	Lesser General Public License for more details.
17
18	You should have received a copy of the GNU Lesser General Public
19	License along with this library; if not, write to the Free Software
20	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21	*/
22
23	#include "atr.h"
24	#include <stdlib.h>
25	#include <string.h>
26
27	/*
28	* Not exported variables definition
29	*/
30
31	static unsigned long
32	atr_fs_table[16] =
33	{
34	0, 5000000L, 6000000L, 8000000L, 12000000L, 16000000L, 20000000L,
35	0, 0, 5000000L, 7500000L, 10000000L, 15000000L, 20000000L, 0, 0
36	};
37
38	static unsigned
39	atr_num_ib_table[16] =
40	{
41	0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4
42	};
43
44	/*
45	* Exported variables definition
46	*/
47
48	unsigned
49	atr_f_table[16] =
50	{
51	0, 372, 558, 744, 1116, 1488, 1860, 0, 0, 512, 768, 1024, 1536, 2048, 0, 0
52	};
53
54	double
55	atr_d_table[16] =
56	{
57	0, 1, 2, 4, 8, 16, 0, 0, 0, 0, 0.5, 0.25, 0.125, 0.0625, 0.03125, 0.015625
58	};
59
60	unsigned
61	atr_i_table[4] =
62	{
63	25, 50, 100, 0
64	};
65
66	/*
67	* Exported funcions definition
68	*/
69
70	ATR *
71	ATR_New (void)
72	{
73	ATR *atr;
74
75	/* Allocate memory */
76	atr = (ATR *) malloc (sizeof (ATR));
77
78	return atr;
79	}
80
81	int
82	ATR_InitFromArray (ATR * atr, BYTE atr_buffer[ATR_MAX_SIZE], unsigned length)
83	{
84	BYTE TDi;
85	BYTE buffer[ATR_MAX_SIZE];
86	unsigned pointer = 0, pn = 0;
87
88	/* Check size of buffer */
89	if (length < 2)
90	return (ATR_MALFORMED);
91
92	/* Check if ATR is from a inverse convention card */
93	if (atr_buffer[0] == 0x03)
94	{
95	for (pointer = 0; pointer < length; pointer++)
96	buffer[pointer] = ~(INVERT_BYTE (atr_buffer[pointer]));
97	}
98	else
99	memcpy (buffer, atr_buffer, length);
100
101	/* Store T0 and TS */
102	atr->TS = buffer[0];
103
104	atr->T0 = TDi = buffer[1];
105	pointer = 1;
106
107	/* Store number of historical bytes */
108	atr->hbn = TDi & 0x0F;
109
110	/* TCK is not present by default */
111	(atr->TCK).present = FALSE;
112
113	/* Extract interface bytes */
114	while (pointer < length)
115	{
116	/* Check buffer is long enought */
117	if (pointer + atr_num_ib_table[(0xF0 & TDi) >> 4] >= length)
118	{
119	return (ATR_MALFORMED);
120	}
121	/* Check TAi is present */
122	if ((TDi \| 0xEF) == 0xFF)
123	{
124	pointer++;
125	atr->ib[pn][ATR_INTERFACE_BYTE_TA].value = buffer[pointer];
126	atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = TRUE;
127	}
128	else
129	atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = FALSE;
130	/* Check TBi is present */
131	if ((TDi \| 0xDF) == 0xFF)
132	{
133	pointer++;
134	atr->ib[pn][ATR_INTERFACE_BYTE_TB].value = buffer[pointer];
135	atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = TRUE;
136	}
137	else
138	atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = FALSE;
139
140	/* Check TCi is present */
141	if ((TDi \| 0xBF) == 0xFF)
142	{
143	pointer++;
144	atr->ib[pn][ATR_INTERFACE_BYTE_TC].value = buffer[pointer];
145	atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = TRUE;
146	}
147	else
148	atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = FALSE;
149
150	/* Read TDi if present */
151	if ((TDi \| 0x7F) == 0xFF)
152	{
153	pointer++;
154	TDi = atr->ib[pn][ATR_INTERFACE_BYTE_TD].value = buffer[pointer];
155	atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = TRUE;
156	(atr->TCK).present = ((TDi & 0x0F) != ATR_PROTOCOL_TYPE_T0);
157	if (pn >= ATR_MAX_PROTOCOLS)
158	return (ATR_MALFORMED);
159	pn++;
160	}
161	else
162	{
163	atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = FALSE;
164	break;
165	}
166	}
167
168	/* Store number of protocols */
169	atr->pn = pn + 1;
170
171	/* Store historical bytes */
172	if (pointer + atr->hbn >= length)
173	return (ATR_MALFORMED);
174
175	memcpy (atr->hb, buffer + pointer + 1, atr->hbn);
176	pointer += (atr->hbn);
177
178	/* Store TCK */
179	if ((atr->TCK).present)
180	{
181
182	if (pointer + 1 >= length)
183	return (ATR_MALFORMED);
184
185	pointer++;
186
187	(atr->TCK).value = buffer[pointer];
188	}
189
190	atr->length = pointer + 1;
191	return (ATR_OK);
192	}
193
194
195	void
196	ATR_Delete (ATR * atr)
197	{
198	free (atr);
199	}
200
201	int
202	ATR_GetConvention (ATR * atr, int *convention)
203	{
204	if (atr->TS == 0x3B)
205	(*convention) = ATR_CONVENTION_DIRECT;
206	else if (atr->TS == 0x3F)
207	(*convention) = ATR_CONVENTION_INVERSE;
208	else
209	return (ATR_MALFORMED);
210	return (ATR_OK);
211	}
212
213	int
214	ATR_GetSize (ATR * atr, unsigned *size)
215	{
216	(*size) = atr->length;
217	return (ATR_OK);
218	}
219
220	int
221	ATR_GetNumberOfProtocols (ATR * atr, unsigned *number_protocols)
222	{
223	(*number_protocols) = atr->pn;
224	return (ATR_OK);
225	}
226
227	int
228	ATR_GetProtocolType (ATR * atr, unsigned number_protocol, BYTE *protocol_type)
229	{
230	if ((number_protocol > atr->pn) \|\| number_protocol < 2)
231	return ATR_NOT_FOUND;
232
233	if (atr->ib[number_protocol - 2][ATR_INTERFACE_BYTE_TD].present)
234	(*protocol_type) =
235	(atr->ib[number_protocol - 2][ATR_INTERFACE_BYTE_TD].value & 0x0F);
236	else
237	(*protocol_type) = ATR_PROTOCOL_TYPE_T0;
238
239	return (ATR_OK);
240	}
241
242	int
243	ATR_GetInterfaceByte (ATR * atr, unsigned number, int character, BYTE * value)
244	{
245	if (number > atr->pn \|\| number < 1)
246	return (ATR_NOT_FOUND);
247
248	if (atr->ib[number - 1][character].present &&
249	(character == ATR_INTERFACE_BYTE_TA \|\|
250	character == ATR_INTERFACE_BYTE_TB \|\|
251	character == ATR_INTERFACE_BYTE_TC \|\|
252	character == ATR_INTERFACE_BYTE_TD))
253	(*value) = atr->ib[number - 1][character].value;
254	else
255	return (ATR_NOT_FOUND);
256
257	return (ATR_OK);
258	}
259
260	int
261	ATR_GetIntegerValue (ATR * atr, int name, BYTE * value)
262	{
263	int ret;
264
265	if (name == ATR_INTEGER_VALUE_FI)
266	{
267	if (atr->ib[0][ATR_INTERFACE_BYTE_TA].present)
268	{
269	(*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TA].value & 0xF0) >> 4;
270	ret = ATR_OK;
271	}
272	else
273	ret = ATR_NOT_FOUND;
274	}
275
276	else if (name == ATR_INTEGER_VALUE_DI)
277	{
278	if (atr->ib[0][ATR_INTERFACE_BYTE_TA].present)
279	{
280	(*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TA].value & 0x0F);
281	ret = ATR_OK;
282	}
283	else
284	ret = ATR_NOT_FOUND;
285	}
286
287	else if (name == ATR_INTEGER_VALUE_II)
288	{
289	if (atr->ib[0][ATR_INTERFACE_BYTE_TB].present)
290	{
291	(*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TB].value & 0x60) >> 5;
292	ret = ATR_OK;
293	}
294	else
295	ret = ATR_NOT_FOUND;
296	}
297
298	else if (name == ATR_INTEGER_VALUE_PI1)
299	{
300	if (atr->ib[0][ATR_INTERFACE_BYTE_TB].present)
301	{
302	(*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TB].value & 0x1F);
303	ret = ATR_OK;
304	}
305	else
306	ret = ATR_NOT_FOUND;
307	}
308
309	else if (name == ATR_INTEGER_VALUE_PI2)
310	{
311	if (atr->ib[1][ATR_INTERFACE_BYTE_TB].present)
312	{
313	(*value) = atr->ib[1][ATR_INTERFACE_BYTE_TB].value;
314	ret = ATR_OK;
315	}
316	else
317	ret = ATR_NOT_FOUND;
318	}
319
320	else if (name == ATR_INTEGER_VALUE_N)
321	{
322	if (atr->ib[0][ATR_INTERFACE_BYTE_TC].present)
323	{
324	(*value) = atr->ib[0][ATR_INTERFACE_BYTE_TC].value;
325	ret = ATR_OK;
326	}
327	else
328	ret = ATR_NOT_FOUND;
329	}
330	else
331	ret = ATR_NOT_FOUND;
332
333	return ret;
334	}
335
336	int
337	ATR_GetParameter (ATR * atr, int name, double *parameter)
338	{
339	BYTE FI, DI, II, PI1, PI2, N;
340
341	if (name == ATR_PARAMETER_F)
342	{
343	if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_FI, &FI) == ATR_OK)
344	(*parameter) = (double) (atr_f_table[FI]);
345	else
346	(*parameter) = (double) ATR_DEFAULT_F;
347	return (ATR_OK);
348	}
349
350	else if (name == ATR_PARAMETER_D)
351	{
352	if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_DI, &DI) == ATR_OK)
353	(*parameter) = (double) (atr_d_table[DI]);
354	else
355	(*parameter) = (double) ATR_DEFAULT_D;
356	return (ATR_OK);
357	}
358
359	else if (name == ATR_PARAMETER_I)
360	{
361	if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_II, &II) == ATR_OK)
362	(*parameter) = (double) (atr_i_table[II]);
363	else
364	(*parameter) = ATR_DEFAULT_I;
365	return (ATR_OK);
366	}
367
368	else if (name == ATR_PARAMETER_P)
369	{
370	if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_PI2, &PI2) == ATR_OK)
371	(*parameter) = (double) PI2;
372	else if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_PI1, &PI1) == ATR_OK)
373	(*parameter) = (double) PI1;
374	else
375	(*parameter) = (double) ATR_DEFAULT_P;
376	return (ATR_OK);
377	}
378
379	else if (name == ATR_PARAMETER_N)
380	{
381	if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_N, &N) == ATR_OK)
382	(*parameter) = (double) N;
383	else
384	(*parameter) = (double) ATR_DEFAULT_N;
385	return (ATR_OK);
386	}
387
388	return (ATR_NOT_FOUND);
389	}
390
391	int
392	ATR_GetHistoricalBytes (ATR * atr, BYTE hist[ATR_MAX_HISTORICAL], unsigned *length)
393	{
394	if (atr->hbn == 0)
395	return (ATR_NOT_FOUND);
396
397	(*length) = atr->hbn;
398	memcpy (hist, atr->hb, atr->hbn);
399	return (ATR_OK);
400	}
401
402	int
403	ATR_GetRaw (ATR * atr, BYTE buffer[ATR_MAX_SIZE], unsigned *length)
404	{
405	unsigned i, j;
406
407	buffer[0] = atr->TS;
408	buffer[1] = atr->T0;
409
410	j = 2;
411
412	for (i = 0; i < atr->pn; i++)
413	{
414	if (atr->ib[i][ATR_INTERFACE_BYTE_TA].present)
415	buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TA].value;
416
417	if (atr->ib[i][ATR_INTERFACE_BYTE_TB].present)
418	buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TB].value;
419
420	if (atr->ib[i][ATR_INTERFACE_BYTE_TC].present)
421	buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TC].value;
422
423	if (atr->ib[i][ATR_INTERFACE_BYTE_TD].present)
424	buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TD].value;
425	}
426
427	if (atr->hbn > 0)
428	{
429	memcpy (&(buffer[j]), atr->hb, atr->hbn);
430	j += atr->hbn;
431	}
432
433	if ((atr->TCK).present)
434	buffer[j++] = (atr->TCK).value;
435
436	(*length) = j;
437
438	return ATR_OK;
439	}
440
441	int
442	ATR_GetCheckByte (ATR * atr, BYTE * check_byte)
443	{
444	if (!((atr->TCK).present))
445	return (ATR_NOT_FOUND);
446
447	(*check_byte) = (atr->TCK).value;
448	return (ATR_OK);
449	}
450
451	int
452	ATR_GetFsMax (ATR * atr, unsigned long *fsmax)
453	{
454	BYTE FI;
455
456	if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_FI, &FI) == ATR_OK)
457	(*fsmax) = atr_fs_table[FI];
458	else
459	(*fsmax) = atr_fs_table[1];
460
461	return (ATR_OK);
462	}
463
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