[8] | 1 | /*
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| 2 | atr.c
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| 3 | ISO 7816 ICC's answer to reset abstract data type implementation
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| 4 |
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| 5 | This file is part of the Unix driver for Towitoko smartcard readers
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| 6 | Copyright (C) 2000 Carlos Prados <cprados@yahoo.com>
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| 7 |
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| 8 | This version is modified by doz21 to work in a special manner ;)
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| 9 |
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| 10 | This library is free software; you can redistribute it and/or
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| 11 | modify it under the terms of the GNU Lesser General Public
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| 12 | License as published by the Free Software Foundation; either
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| 13 | version 2 of the License, or (at your option) any later version.
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| 14 |
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| 15 | This library is distributed in the hope that it will be useful,
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 18 | Lesser General Public License for more details.
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| 19 |
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| 20 | You should have received a copy of the GNU Lesser General Public
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| 21 | License along with this library; if not, write to the Free Software
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| 22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 23 | */
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| 24 |
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| 25 | #include "defines.h"
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| 26 | #include "atr.h"
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| 27 | #include <stdlib.h>
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| 28 | #include <string.h>
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| 29 |
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| 30 | /*
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| 31 | * Not exported variables definition
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| 32 | */
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| 33 |
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[1122] | 34 | unsigned long atr_fs_table[16] = {4000000L, 5000000L, 6000000L, 8000000L, 12000000L, 16000000L, 20000000L, 0, 0, 5000000L, 7500000L, 10000000L, 15000000L, 20000000L, 0, 0};
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[8] | 35 |
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| 36 | static unsigned atr_num_ib_table[16] = {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4};
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| 37 |
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| 38 | /*
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| 39 | * Exported variables definition
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| 40 | */
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| 41 |
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[1122] | 42 | unsigned atr_f_table[16] = {372, 372, 558, 744, 1116, 1488, 1860, 0, 0, 512, 768, 1024, 1536, 2048, 0, 0};
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[8] | 43 |
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[1122] | 44 | double atr_d_table[16] = {0, 1, 2, 4, 8, 16, 32, 64, 12, 20, 0.5, 0.25, 0.125, 0.0625, 0.03125, 0.015625};
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[746] | 45 | //old table has 0 for RFU:
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| 46 | //double atr_d_table[16] = {0, 1, 2, 4, 8, 16, 0, 0, 0, 0, 0.5, 0.25, 125, 0.0625, 0.03125, 0.015625};
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[8] | 47 |
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| 48 | unsigned atr_i_table[4] = {25, 50, 100, 0};
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| 49 |
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| 50 | /*
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| 51 | * Not exported functions declaration
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| 52 | */
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| 53 |
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| 54 | static bool ATR_GetNextByte (IO_Serial * io, unsigned timeout, BYTE * b, bool invert);
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| 55 |
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| 56 | /*
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| 57 | * Exported funcions definition
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| 58 | */
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| 59 |
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| 60 | ATR * ATR_New (void)
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| 61 | {
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| 62 | ATR *atr;
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| 63 |
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| 64 | /* Allocate memory */
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| 65 | atr = (ATR *) malloc (sizeof (ATR));
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| 66 |
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| 67 | return atr;
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| 68 | }
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| 69 |
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| 70 | int ATR_InitFromArray (ATR * atr, BYTE atr_buffer[ATR_MAX_SIZE], unsigned length)
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| 71 | {
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| 72 | BYTE TDi;
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| 73 | BYTE buffer[ATR_MAX_SIZE];
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| 74 | unsigned pointer = 0, pn = 0;
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| 75 |
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| 76 | /* Check size of buffer */
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| 77 | if (length < 2)
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| 78 | return (ATR_MALFORMED);
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| 79 |
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| 80 | /* Check if ATR is from a inverse convention card */
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| 81 | if (atr_buffer[0] == 0x03)
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| 82 | {
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| 83 | for (pointer = 0; pointer < length; pointer++)
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| 84 | buffer[pointer] = ~(INVERT_BYTE (atr_buffer[pointer]));
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| 85 | }
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| 86 | else
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| 87 | {
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| 88 | memcpy (buffer, atr_buffer, length);
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| 89 | }
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| 90 |
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| 91 | /* Store T0 and TS */
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| 92 | atr->TS = buffer[0];
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| 93 |
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| 94 | atr->T0 = TDi = buffer[1];
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| 95 | pointer = 1;
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| 96 |
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| 97 | /* Store number of historical bytes */
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| 98 | atr->hbn = TDi & 0x0F;
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| 99 |
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| 100 | /* TCK is not present by default */
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| 101 | (atr->TCK).present = FALSE;
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| 102 |
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| 103 | /* Extract interface bytes */
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| 104 | while (pointer < length)
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| 105 | {
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| 106 | /* Check buffer is long enought */
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| 107 | if (pointer + atr_num_ib_table[(0xF0 & TDi) >> 4] >= length)
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| 108 | {
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| 109 | return (ATR_MALFORMED);
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| 110 | }
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| 111 |
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| 112 | /* Check TAi is present */
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| 113 | if ((TDi | 0xEF) == 0xFF)
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| 114 | {
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| 115 | pointer++;
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| 116 | atr->ib[pn][ATR_INTERFACE_BYTE_TA].value = buffer[pointer];
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| 117 | atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = TRUE;
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| 118 | }
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| 119 | else
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| 120 | {
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| 121 | atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = FALSE;
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| 122 | }
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| 123 |
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| 124 | /* Check TBi is present */
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| 125 | if ((TDi | 0xDF) == 0xFF)
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| 126 | {
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| 127 | pointer++;
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| 128 | atr->ib[pn][ATR_INTERFACE_BYTE_TB].value = buffer[pointer];
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| 129 | atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = TRUE;
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| 130 | }
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| 131 | else
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| 132 | {
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| 133 | atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = FALSE;
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| 134 | }
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| 135 |
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| 136 | /* Check TCi is present */
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| 137 | if ((TDi | 0xBF) == 0xFF)
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| 138 | {
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| 139 | pointer++;
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| 140 | atr->ib[pn][ATR_INTERFACE_BYTE_TC].value = buffer[pointer];
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| 141 | atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = TRUE;
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| 142 | }
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| 143 | else
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| 144 | {
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| 145 | atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = FALSE;
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| 146 | }
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| 147 |
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| 148 | /* Read TDi if present */
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| 149 | if ((TDi | 0x7F) == 0xFF)
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| 150 | {
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| 151 | pointer++;
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| 152 | TDi = atr->ib[pn][ATR_INTERFACE_BYTE_TD].value = buffer[pointer];
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| 153 | atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = TRUE;
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| 154 | (atr->TCK).present = ((TDi & 0x0F) != ATR_PROTOCOL_TYPE_T0);
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[868] | 155 | if ((TDi & 0xF0) == 0) //last TDi byte
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| 156 | break;
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[8] | 157 | if (pn >= ATR_MAX_PROTOCOLS)
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| 158 | return (ATR_MALFORMED);
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| 159 | pn++;
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| 160 | }
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| 161 | else
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| 162 | {
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| 163 | atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = FALSE;
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| 164 | break;
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| 165 | }
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| 166 | }
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| 167 |
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| 168 | /* Store number of protocols */
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| 169 | atr->pn = pn + 1;
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| 170 |
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| 171 | /* Store historical bytes */
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[833] | 172 | if (pointer + atr->hbn >= length) {
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| 173 | cs_log("ATR is malformed, it reports %i historical bytes but there are only %i",atr->hbn, length-pointer-2);
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[1137] | 174 | if (length-pointer >= 2)
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[833] | 175 | atr->hbn = length-pointer-2;
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| 176 | else {
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| 177 | atr->hbn = 0;
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| 178 | atr->length = pointer + 1;
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| 179 | return (ATR_MALFORMED);
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| 180 | }
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| 181 |
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| 182 | }
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[8] | 183 |
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| 184 | memcpy (atr->hb, buffer + pointer + 1, atr->hbn);
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| 185 | pointer += (atr->hbn);
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| 186 |
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| 187 | /* Store TCK */
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| 188 | if ((atr->TCK).present)
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| 189 | {
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| 190 | if (pointer + 1 >= length)
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| 191 | return (ATR_MALFORMED);
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| 192 |
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| 193 | pointer++;
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| 194 |
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| 195 | (atr->TCK).value = buffer[pointer];
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| 196 | }
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| 197 |
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| 198 | atr->length = pointer + 1;
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| 199 | return (ATR_OK);
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| 200 | }
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| 201 |
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| 202 | int ATR_InitFromStream (ATR * atr, IO_Serial * io, unsigned timeout)
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| 203 | {
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| 204 | BYTE TDi;
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| 205 | unsigned pointer = 0, pn = 0, i;
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| 206 | bool invert;
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| 207 |
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| 208 | invert = FALSE;
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| 209 |
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| 210 | /* Store T0 and TS */
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| 211 | if (!ATR_GetNextByte (io, timeout, &(atr->TS), invert))
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| 212 | return ATR_IO_ERROR;
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| 213 |
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| 214 | if (atr->TS == 0x03)
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| 215 | {
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| 216 | atr->TS = 0x3F;
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| 217 | invert = TRUE;
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| 218 | }
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| 219 |
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| 220 | if ((atr->TS != 0x3B) && (atr->TS != 0x3F))
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| 221 | return ATR_MALFORMED;
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| 222 |
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| 223 | if (!ATR_GetNextByte (io, timeout, &(atr->T0), invert))
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| 224 | return ATR_MALFORMED;
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| 225 |
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| 226 | TDi = atr->T0;
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| 227 | pointer = 1;
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| 228 |
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| 229 | /* Store number of historical bytes */
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| 230 | atr->hbn = TDi & 0x0F;
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| 231 |
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| 232 | /* TCK is not present by default */
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| 233 | (atr->TCK).present = FALSE;
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| 234 |
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| 235 | /* Extract interface bytes */
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| 236 | while (TRUE)
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| 237 | {
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| 238 | /* Check TAi is present */
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| 239 | if ((TDi | 0xEF) == 0xFF)
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| 240 | {
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| 241 | pointer++;
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| 242 | if (!ATR_GetNextByte(io, timeout, &(atr->ib[pn][ATR_INTERFACE_BYTE_TA].value),invert))
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| 243 | return ATR_MALFORMED;
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| 244 | atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = TRUE;
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| 245 | }
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| 246 | else
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| 247 | {
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| 248 | atr->ib[pn][ATR_INTERFACE_BYTE_TA].present = FALSE;
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| 249 | }
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| 250 |
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| 251 | /* Check TBi is present */
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| 252 | if ((TDi | 0xDF) == 0xFF)
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| 253 | {
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| 254 | pointer++;
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| 255 | if (!ATR_GetNextByte(io, timeout, &(atr->ib[pn][ATR_INTERFACE_BYTE_TB].value),invert))
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| 256 | return ATR_MALFORMED;
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| 257 | atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = TRUE;
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| 258 | }
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| 259 | else
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| 260 | {
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| 261 | atr->ib[pn][ATR_INTERFACE_BYTE_TB].present = FALSE;
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| 262 | }
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| 263 |
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| 264 | /* Check TCi is present */
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| 265 | if ((TDi | 0xBF) == 0xFF)
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| 266 | {
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| 267 | pointer++;
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| 268 | if (!ATR_GetNextByte(io, timeout, &(atr->ib[pn][ATR_INTERFACE_BYTE_TC].value), invert))
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| 269 | return ATR_MALFORMED;
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| 270 | atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = TRUE;
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| 271 | }
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| 272 | else
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| 273 | {
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| 274 | atr->ib[pn][ATR_INTERFACE_BYTE_TC].present = FALSE;
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| 275 | }
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| 276 |
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| 277 | /* Read TDi if present */
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| 278 | if ((TDi | 0x7F) == 0xFF)
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| 279 | {
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| 280 | pointer++;
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| 281 | if (!ATR_GetNextByte(io, timeout, &(atr->ib[pn][ATR_INTERFACE_BYTE_TD].value), invert))
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| 282 | return ATR_MALFORMED;
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| 283 | TDi = atr->ib[pn][ATR_INTERFACE_BYTE_TD].value;
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| 284 | atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = TRUE;
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| 285 | (atr->TCK).present = ((TDi & 0x0F) != ATR_PROTOCOL_TYPE_T0);
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[868] | 286 | if ((TDi & 0xF0) == 0) //last TDi byte
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| 287 | break;
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[8] | 288 | if (pn >= ATR_MAX_PROTOCOLS)
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| 289 | return (ATR_MALFORMED);
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| 290 | pn++;
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| 291 | }
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| 292 | else
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| 293 | {
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| 294 | atr->ib[pn][ATR_INTERFACE_BYTE_TD].present = FALSE;
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| 295 | break;
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| 296 | }
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| 297 | }
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| 298 |
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| 299 | /* Store number of protocols */
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| 300 | atr->pn = pn + 1;
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| 301 |
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| 302 | /* Store historical bytes */
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| 303 | for (i = 0; i < (atr->hbn); i++)
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| 304 | {
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| 305 | if (!ATR_GetNextByte (io, timeout, &(atr->hb[i]), invert))
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| 306 | return ATR_MALFORMED;
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| 307 | }
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| 308 |
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| 309 | pointer += (atr->hbn);
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| 310 |
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| 311 | /* Store TCK */
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| 312 | if ((atr->TCK).present)
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| 313 | {
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| 314 | pointer++;
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| 315 |
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| 316 | if (!ATR_GetNextByte (io, timeout, (&((atr->TCK).value)), invert))
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| 317 | return ATR_MALFORMED;
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| 318 | }
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| 319 |
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| 320 | atr->length = pointer + 1;
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| 321 | return (ATR_OK);
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| 322 |
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| 323 | }
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| 324 |
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| 325 | void ATR_Delete (ATR * atr)
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| 326 | {
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| 327 | free (atr);
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| 328 | }
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| 329 |
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| 330 | int ATR_GetConvention (ATR * atr, int *convention)
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| 331 | {
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| 332 | if (atr->TS == 0x3B)
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| 333 | (*convention) = ATR_CONVENTION_DIRECT;
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| 334 | else if (atr->TS == 0x3F)
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| 335 | (*convention) = ATR_CONVENTION_INVERSE;
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| 336 | else
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| 337 | return (ATR_MALFORMED);
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| 338 |
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| 339 | return (ATR_OK);
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| 340 | }
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| 341 |
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| 342 | int ATR_GetSize (ATR * atr, unsigned *size)
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| 343 | {
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| 344 | (*size) = atr->length;
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| 345 | return (ATR_OK);
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| 346 | }
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| 347 |
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| 348 | int ATR_GetNumberOfProtocols (ATR * atr, unsigned *number_protocols)
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| 349 | {
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| 350 | (*number_protocols) = atr->pn;
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| 351 | return (ATR_OK);
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| 352 | }
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| 353 |
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| 354 | int ATR_GetProtocolType (ATR * atr, unsigned number_protocol, BYTE *protocol_type)
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| 355 | {
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[908] | 356 | if ((number_protocol > atr->pn) || number_protocol < 1)
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[8] | 357 | return ATR_NOT_FOUND;
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| 358 |
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[908] | 359 | if (atr->ib[number_protocol - 1][ATR_INTERFACE_BYTE_TD].present)
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| 360 | (*protocol_type) = (atr->ib[number_protocol - 1][ATR_INTERFACE_BYTE_TD].value & 0x0F);
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[8] | 361 | else
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| 362 | (*protocol_type) = ATR_PROTOCOL_TYPE_T0;
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| 363 |
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| 364 | return (ATR_OK);
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| 365 | }
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| 366 |
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| 367 | int ATR_GetInterfaceByte (ATR * atr, unsigned number, int character, BYTE * value)
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| 368 | {
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| 369 | if (number > atr->pn || number < 1)
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| 370 | return (ATR_NOT_FOUND);
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| 371 |
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| 372 | 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))
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| 373 | (*value) = atr->ib[number - 1][character].value;
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| 374 | else
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| 375 | return (ATR_NOT_FOUND);
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| 376 |
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| 377 | return (ATR_OK);
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| 378 | }
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| 379 |
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| 380 | int ATR_GetIntegerValue (ATR * atr, int name, BYTE * value)
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| 381 | {
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| 382 | int ret;
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| 383 |
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| 384 | if (name == ATR_INTEGER_VALUE_FI)
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| 385 | {
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| 386 | if (atr->ib[0][ATR_INTERFACE_BYTE_TA].present)
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| 387 | {
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| 388 | (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TA].value & 0xF0) >> 4;
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| 389 | ret = ATR_OK;
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| 390 | }
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| 391 | else
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| 392 | {
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| 393 | ret = ATR_NOT_FOUND;
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| 394 | }
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| 395 | }
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| 396 | else if (name == ATR_INTEGER_VALUE_DI)
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| 397 | {
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| 398 | if (atr->ib[0][ATR_INTERFACE_BYTE_TA].present)
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| 399 | {
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| 400 | (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TA].value & 0x0F);
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| 401 | ret = ATR_OK;
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| 402 | }
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| 403 | else
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| 404 | {
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| 405 | ret = ATR_NOT_FOUND;
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| 406 | }
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| 407 | }
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| 408 | else if (name == ATR_INTEGER_VALUE_II)
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| 409 | {
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| 410 | if (atr->ib[0][ATR_INTERFACE_BYTE_TB].present)
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| 411 | {
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| 412 | (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TB].value & 0x60) >> 5;
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| 413 | ret = ATR_OK;
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| 414 | }
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| 415 | else
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| 416 | {
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| 417 | ret = ATR_NOT_FOUND;
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| 418 | }
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| 419 | }
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| 420 | else if (name == ATR_INTEGER_VALUE_PI1)
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| 421 | {
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| 422 | if (atr->ib[0][ATR_INTERFACE_BYTE_TB].present)
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| 423 | {
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| 424 | (*value) = (atr->ib[0][ATR_INTERFACE_BYTE_TB].value & 0x1F);
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| 425 | ret = ATR_OK;
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| 426 | }
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| 427 | else
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| 428 | {
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| 429 | ret = ATR_NOT_FOUND;
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| 430 | }
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| 431 | }
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| 432 | else if (name == ATR_INTEGER_VALUE_PI2)
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| 433 | {
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| 434 | if (atr->ib[1][ATR_INTERFACE_BYTE_TB].present)
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| 435 | {
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| 436 | (*value) = atr->ib[1][ATR_INTERFACE_BYTE_TB].value;
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| 437 | ret = ATR_OK;
|
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| 438 | }
|
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| 439 | else
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| 440 | {
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| 441 | ret = ATR_NOT_FOUND;
|
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| 442 | }
|
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| 443 | }
|
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| 444 | else if (name == ATR_INTEGER_VALUE_N)
|
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| 445 | {
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| 446 | if (atr->ib[0][ATR_INTERFACE_BYTE_TC].present)
|
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| 447 | {
|
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| 448 | (*value) = atr->ib[0][ATR_INTERFACE_BYTE_TC].value;
|
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| 449 | ret = ATR_OK;
|
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| 450 | }
|
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| 451 | else
|
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| 452 | {
|
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| 453 | ret = ATR_NOT_FOUND;
|
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| 454 | }
|
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| 455 | }
|
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| 456 | else
|
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| 457 | {
|
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| 458 | ret = ATR_NOT_FOUND;
|
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| 459 | }
|
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| 460 |
|
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| 461 | return ret;
|
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| 462 | }
|
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| 463 |
|
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| 464 | int ATR_GetParameter (ATR * atr, int name, double *parameter)
|
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| 465 | {
|
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| 466 | BYTE FI, DI, II, PI1, PI2, N;
|
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| 467 |
|
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| 468 | if (name == ATR_PARAMETER_F)
|
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| 469 | {
|
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[833] | 470 | if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_FI, &FI) != ATR_OK)
|
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| 471 | FI = ATR_DEFAULT_FI;
|
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| 472 | (*parameter) = (double) (atr_f_table[FI]);
|
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[8] | 473 | return (ATR_OK);
|
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| 474 | }
|
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| 475 | else if (name == ATR_PARAMETER_D)
|
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| 476 | {
|
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| 477 | if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_DI, &DI) == ATR_OK)
|
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| 478 | (*parameter) = (double) (atr_d_table[DI]);
|
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| 479 | else
|
---|
| 480 | (*parameter) = (double) ATR_DEFAULT_D;
|
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| 481 | return (ATR_OK);
|
---|
| 482 | }
|
---|
| 483 | else if (name == ATR_PARAMETER_I)
|
---|
| 484 | {
|
---|
| 485 | if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_II, &II) == ATR_OK)
|
---|
| 486 | (*parameter) = (double) (atr_i_table[II]);
|
---|
| 487 | else
|
---|
| 488 | (*parameter) = ATR_DEFAULT_I;
|
---|
| 489 | return (ATR_OK);
|
---|
| 490 | }
|
---|
| 491 | else if (name == ATR_PARAMETER_P)
|
---|
| 492 | {
|
---|
| 493 | if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_PI2, &PI2) == ATR_OK)
|
---|
| 494 | (*parameter) = (double) PI2;
|
---|
| 495 | else if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_PI1, &PI1) == ATR_OK)
|
---|
| 496 | (*parameter) = (double) PI1;
|
---|
| 497 | else
|
---|
| 498 | (*parameter) = (double) ATR_DEFAULT_P;
|
---|
| 499 | return (ATR_OK);
|
---|
| 500 | }
|
---|
| 501 | else if (name == ATR_PARAMETER_N)
|
---|
| 502 | {
|
---|
| 503 | if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_N, &N) == ATR_OK)
|
---|
| 504 | (*parameter) = (double) N;
|
---|
| 505 | else
|
---|
| 506 | (*parameter) = (double) ATR_DEFAULT_N;
|
---|
| 507 | return (ATR_OK);
|
---|
| 508 | }
|
---|
| 509 |
|
---|
| 510 | return (ATR_NOT_FOUND);
|
---|
| 511 | }
|
---|
| 512 |
|
---|
| 513 | int ATR_GetHistoricalBytes (ATR * atr, BYTE hist[ATR_MAX_HISTORICAL], unsigned *length)
|
---|
| 514 | {
|
---|
| 515 | if (atr->hbn == 0)
|
---|
| 516 | return (ATR_NOT_FOUND);
|
---|
| 517 |
|
---|
| 518 | (*length) = atr->hbn;
|
---|
| 519 | memcpy (hist, atr->hb, atr->hbn);
|
---|
| 520 | return (ATR_OK);
|
---|
| 521 | }
|
---|
| 522 |
|
---|
| 523 | int ATR_GetRaw (ATR * atr, BYTE buffer[ATR_MAX_SIZE], unsigned *length)
|
---|
| 524 | {
|
---|
| 525 | unsigned i, j;
|
---|
| 526 |
|
---|
| 527 | buffer[0] = atr->TS;
|
---|
| 528 | buffer[1] = atr->T0;
|
---|
| 529 |
|
---|
| 530 | j = 2;
|
---|
| 531 |
|
---|
| 532 | for (i = 0; i < atr->pn; i++)
|
---|
| 533 | {
|
---|
| 534 | if (atr->ib[i][ATR_INTERFACE_BYTE_TA].present)
|
---|
| 535 | buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TA].value;
|
---|
| 536 |
|
---|
| 537 | if (atr->ib[i][ATR_INTERFACE_BYTE_TB].present)
|
---|
| 538 | buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TB].value;
|
---|
| 539 |
|
---|
| 540 | if (atr->ib[i][ATR_INTERFACE_BYTE_TC].present)
|
---|
| 541 | buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TC].value;
|
---|
| 542 |
|
---|
| 543 | if (atr->ib[i][ATR_INTERFACE_BYTE_TD].present)
|
---|
| 544 | buffer[j++] = atr->ib[i][ATR_INTERFACE_BYTE_TD].value;
|
---|
| 545 | }
|
---|
| 546 |
|
---|
| 547 | if (atr->hbn > 0)
|
---|
| 548 | {
|
---|
| 549 | memcpy (&(buffer[j]), atr->hb, atr->hbn);
|
---|
| 550 | j += atr->hbn;
|
---|
| 551 | }
|
---|
| 552 |
|
---|
| 553 | if ((atr->TCK).present)
|
---|
| 554 | buffer[j++] = (atr->TCK).value;
|
---|
| 555 |
|
---|
| 556 | (*length) = j;
|
---|
| 557 |
|
---|
| 558 | return ATR_OK;
|
---|
| 559 | }
|
---|
| 560 |
|
---|
| 561 | int ATR_GetCheckByte (ATR * atr, BYTE * check_byte)
|
---|
| 562 | {
|
---|
| 563 | if (!((atr->TCK).present))
|
---|
| 564 | return (ATR_NOT_FOUND);
|
---|
| 565 |
|
---|
| 566 | (*check_byte) = (atr->TCK).value;
|
---|
| 567 | return (ATR_OK);
|
---|
| 568 | }
|
---|
| 569 |
|
---|
| 570 | int ATR_GetFsMax (ATR * atr, unsigned long *fsmax)
|
---|
| 571 | {
|
---|
| 572 | BYTE FI;
|
---|
| 573 |
|
---|
| 574 | if (ATR_GetIntegerValue (atr, ATR_INTEGER_VALUE_FI, &FI) == ATR_OK)
|
---|
| 575 | (*fsmax) = atr_fs_table[FI];
|
---|
| 576 | else
|
---|
| 577 | (*fsmax) = atr_fs_table[1];
|
---|
| 578 |
|
---|
| 579 | return (ATR_OK);
|
---|
| 580 | }
|
---|
| 581 |
|
---|
| 582 | /*
|
---|
| 583 | * Not exported functions definition
|
---|
| 584 | */
|
---|
| 585 |
|
---|
| 586 | static bool ATR_GetNextByte (IO_Serial * io, unsigned timeout, BYTE * byte, bool invert)
|
---|
| 587 | {
|
---|
| 588 | bool ret;
|
---|
| 589 | ret = IO_Serial_Read (io, timeout, 1, byte);
|
---|
| 590 | /* Para tarjetas inversas quiza */
|
---|
| 591 | if (invert)
|
---|
| 592 | (*byte) = ~(INVERT_BYTE (*byte));
|
---|
| 593 |
|
---|
| 594 | return ret;
|
---|
| 595 | }
|
---|