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add library providing ISO 7816-3 utilities

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this will become part of libosmocore since it it common to smart
card related projects (such as osmo-ccid-firmware)

Change-Id: I3d4c65d137fc4555fcb256443feadd1c695de73d
This commit is contained in:
Kévin Redon
2019-05-14 21:50:39 +02:00
committed by Harald Welte
parent debbf3c6fa
commit 4a29f64cbe
2 changed files with 229 additions and 0 deletions
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70
firmware/libcommon/include/iso7816_3.h Normal file
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/*
* Copyright (C) 2019 sysmocom -s.f.m.c. GmbH, Author: Kevin Redon <kredon@sysmocom.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* this library provides utilities to handle the ISO-7816 part 3 communication aspects (e.g. related
* to F and D) */
#pragma once
#include <stdint.h>
#include <stdbool.h>
/*! default clock rate conversion integer Fd.
* ISO/IEC 7816-3:2006(E) section 8.1 */
#define ISO7816_3_DEFAULT_FD 372
/*! default baud rate adjustment factor Dd.
* ISO/IEC 7816-3:2006(E) section 8.1 */
#define ISO7816_3_DEFAULT_DD 1
/*! default clock rate conversion integer Fi.
* ISO/IEC 7816-3:2006(E) section 8.3
* \note non-default value is optionally specified in TA1 */
#define ISO7816_3_DEFAULT_FI 372
/*! default baud rate adjustment factor Di.
* ISO/IEC 7816-3:2006(E) section 8.3
* \note non-default value is optionally specified in TA1 */
#define ISO7816_3_DEFAULT_DI 1
/*! default maximum clock frequency, in Hz.
* ISO/IEC 7816-3:2006(E) section 8.3
* \note non-default value is optionally specified in TA1 */
#define ISO7816_3_DEFAULT_FMAX 5000000UL
/*! default Waiting Integer (WI) value for T=0.
* ISO/IEC 7816-3:2006(E) section 10.2
* \note non-default value is optionally specified in TC2 */
#define ISO7816_3_DEFAULT_WI 10
/*! default Waiting Time (WT) value, in ETU.
* ISO/IEC 7816-3:2006(E) section 8.1
* \note depends on Fi, Di, and WI if protocol T=0 is selected */
#define ISO7816_3_DEFAULT_WT 9600
extern const uint16_t iso7816_3_fi_table[];
extern const uint32_t iso7816_3_fmax_table[];
extern const uint8_t iso7816_3_di_table[];
bool iso7816_3_valid_f(uint16_t f);
bool iso7816_3_valid_d(uint8_t d);
int32_t iso7816_3_calculate_wt(uint8_t wi, uint16_t fi, uint8_t di, uint16_t f, uint8_t d);