mirror of
https://salsa.debian.org/gnuk-team/gnuk/gnuk.git
synced 2024-09-21 03:10:08 +00:00
1354 lines
31 KiB
C
1354 lines
31 KiB
C
/*
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* openpgp-do.c -- OpenPGP card Data Objects (DO) handling
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*
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* Copyright (C) 2010 Free Software Initiative of Japan
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* Author: NIIBE Yutaka <gniibe@fsij.org>
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*
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* This file is a part of Gnuk, a GnuPG USB Token implementation.
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*
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* Gnuk is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Gnuk is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdlib.h>
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#include "config.h"
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#include "ch.h"
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#include "gnuk.h"
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#include "openpgp.h"
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#include "polarssl/config.h"
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#include "polarssl/aes.h"
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#include "polarssl/sha1.h"
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static uint32_t digital_signature_counter;
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static const uint8_t *
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gpg_write_digital_signature_counter (const uint8_t *p, uint32_t dsc)
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{
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uint16_t hw0, hw1;
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if ((dsc >> 10) == 0)
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{ /* no upper bits */
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hw1 = NR_COUNTER_DS_LSB | ((dsc & 0x0300) >> 8) | ((dsc & 0x00ff) << 8);
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flash_put_data_internal (p, hw1);
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return p+2;
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}
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else
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{
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hw0 = NR_COUNTER_DS | ((dsc & 0xfc0000) >> 18) | ((dsc & 0x03fc00) >> 2);
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hw1 = NR_COUNTER_DS_LSB;
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flash_put_data_internal (p, hw0);
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flash_put_data_internal (p+2, hw1);
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return p+4;
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}
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}
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void
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gpg_increment_digital_signature_counter (void)
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{
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uint16_t hw0, hw1;
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uint32_t dsc = (digital_signature_counter + 1) & 0x00ffffff;
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if ((dsc & 0x03ff) == 0)
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{ /* carry occurs from l10 to h14 */
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hw0 = NR_COUNTER_DS | ((dsc & 0xfc0000) >> 18) | ((dsc & 0x03fc00) >> 2);
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hw1 = NR_COUNTER_DS_LSB; /* zero */
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flash_put_data (hw0);
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flash_put_data (hw1);
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}
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else
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{
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hw1 = NR_COUNTER_DS_LSB | ((dsc & 0x0300) >> 8) | ((dsc & 0x00ff) << 8);
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flash_put_data (hw1);
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}
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digital_signature_counter = dsc;
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}
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#define PASSWORD_ERRORS_MAX 3 /* >= errors, it will be locked */
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static const uint8_t *pw_err_counter_p[3];
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static int
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gpg_get_pw_err_counter (uint8_t which)
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{
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return flash_cnt123_get_value (pw_err_counter_p[which]);
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}
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int
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gpg_passwd_locked (uint8_t which)
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{
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if (gpg_get_pw_err_counter (which) >= PASSWORD_ERRORS_MAX)
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return 1;
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else
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return 0;
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}
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void
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gpg_reset_pw_err_counter (uint8_t which)
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{
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flash_cnt123_clear (&pw_err_counter_p[which]);
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if (pw_err_counter_p[which] != NULL)
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GPG_MEMORY_FAILURE ();
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}
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void
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gpg_increment_pw_err_counter (uint8_t which)
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{
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flash_cnt123_increment (which, &pw_err_counter_p[which]);
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}
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uint16_t data_objects_number_of_bytes;
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/*
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* Compile time vars:
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* AID, Historical Bytes (template), Extended Capabilities,
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* and Algorithm Attributes
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*/
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/* AID */
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const uint8_t openpgpcard_aid[17] __attribute__ ((aligned (1))) = {
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16,
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0xd2, 0x76, 0x00, 0x01, 0x24, 0x01,
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0x02, 0x00, /* Version 2.0 */
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MANUFACTURER_IN_AID,
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SERIAL_NUMBER_IN_AID,
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0x00, 0x00
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};
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/* Historical Bytes (template) */
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static const uint8_t historical_bytes[] __attribute__ ((aligned (1))) = {
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10,
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0x00,
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0x31, 0x80, /* Full DF name */
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0x73,
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0x80, 0x01, 0x40, /* Full DF name */
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/* 1-byte */
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/* No command chaining */
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/* Extended Lc and Le */
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0x00, 0x90, 0x00 /* Status info (no life cycle management) */
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};
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/* Extended Capabilities */
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static const uint8_t extended_capabilities[] __attribute__ ((aligned (1))) = {
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10,
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0x30, /*
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* No SM, No get challenge,
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* Key import supported,
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* PW status byte can be put,
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* No private_use_DO,
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* No algo change allowed
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*/
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0, /* Secure Messaging Algorithm: N/A (TDES=0, AES=1) */
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0x00, 0x00, /* Max get challenge */
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0x00, 0x00, /* max. length of cardholder certificate */
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/* Max. length of command data */
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(MAX_CMD_APDU_SIZE>>8), (MAX_CMD_APDU_SIZE&0xff),
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/* Max. length of response data */
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(MAX_RES_APDU_SIZE>>8), (MAX_RES_APDU_SIZE&0xff),
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};
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/* Algorithm Attributes */
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static const uint8_t algorithm_attr[] __attribute__ ((aligned (1))) = {
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6,
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0x01, /* RSA */
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0x08, 0x00, /* Length modulus (in bit): 2048 */
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0x00, 0x20, /* Length exponent (in bit): 32 */
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0x00 /* 0: p&q , 3: CRT with N (not yet supported) */
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};
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#define PW_LEN_MAX 127
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/*
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* Representation of PW1_LIFETIME:
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* 0: PW1_LIEFTIME_P == NULL : PW1 is valid for single PSO:CDS command
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* 1: PW1_LIEFTIME_P != NULL : PW1 is valid for several PSO:CDS commands
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*
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* The address in the variable PW1_LIEFTIME_P is used when filling zero
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* in flash memory
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*/
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static const uint8_t *pw1_lifetime_p;
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int
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gpg_get_pw1_lifetime (void)
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{
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if (pw1_lifetime_p == NULL)
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return 0;
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else
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return 1;
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}
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#define SIZE_FINGER_PRINT 20
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#define SIZE_KEYGEN_TIME 4 /* RFC4880 */
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enum do_type {
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DO_FIXED,
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DO_VAR,
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DO_CMP_READ,
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DO_PROC_READ,
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DO_PROC_WRITE,
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DO_PROC_READWRITE,
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};
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struct do_table_entry {
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uint16_t tag;
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enum do_type do_type;
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uint8_t ac_read;
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uint8_t ac_write;
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const void *obj;
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};
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static uint8_t *res_p;
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static void copy_do_1 (uint16_t tag, const uint8_t *do_data, int with_tag);
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static const struct do_table_entry *get_do_entry (uint16_t tag);
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#define GPG_DO_AID 0x004f
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#define GPG_DO_NAME 0x005b
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#define GPG_DO_LOGIN_DATA 0x005e
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#define GPG_DO_CH_DATA 0x0065
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#define GPG_DO_APP_DATA 0x006e
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/* XXX: 0x0073 ??? */
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#define GPG_DO_SS_TEMP 0x007a
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#define GPG_DO_DS_COUNT 0x0093
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#define GPG_DO_EXTCAP 0x00c0
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#define GPG_DO_ALG_SIG 0x00c1
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#define GPG_DO_ALG_DEC 0x00c2
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#define GPG_DO_ALG_AUT 0x00c3
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#define GPG_DO_PW_STATUS 0x00c4
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#define GPG_DO_FP_ALL 0x00c5
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#define GPG_DO_CAFP_ALL 0x00c6
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#define GPG_DO_FP_SIG 0x00c7
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#define GPG_DO_FP_DEC 0x00c8
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#define GPG_DO_FP_AUT 0x00c9
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#define GPG_DO_CAFP_1 0x00ca
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#define GPG_DO_CAFP_2 0x00cb
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#define GPG_DO_CAFP_3 0x00cc
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#define GPG_DO_KGTIME_ALL 0x00cd
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#define GPG_DO_KGTIME_SIG 0x00ce
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#define GPG_DO_KGTIME_DEC 0x00cf
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#define GPG_DO_KGTIME_AUT 0x00d0
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#define GPG_DO_RESETTING_CODE 0x00d3
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#define GPG_DO_KEY_IMPORT 0x3fff
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#define GPG_DO_LANGUAGE 0x5f2d
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#define GPG_DO_SEX 0x5f35
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#define GPG_DO_URL 0x5f50
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#define GPG_DO_HIST_BYTES 0x5f52
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#define GPG_DO_CH_CERTIFICATE 0x7f21
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static const uint8_t *do_ptr[NR_DO__LAST__];
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static uint8_t
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do_tag_to_nr (uint16_t tag)
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{
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switch (tag)
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{
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case GPG_DO_SEX:
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return NR_DO_SEX;
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case GPG_DO_FP_SIG:
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return NR_DO_FP_SIG;
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case GPG_DO_FP_DEC:
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return NR_DO_FP_DEC;
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case GPG_DO_FP_AUT:
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return NR_DO_FP_AUT;
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case GPG_DO_CAFP_1:
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return NR_DO_CAFP_1;
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case GPG_DO_CAFP_2:
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return NR_DO_CAFP_2;
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case GPG_DO_CAFP_3:
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return NR_DO_CAFP_3;
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case GPG_DO_KGTIME_SIG:
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return NR_DO_KGTIME_SIG;
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case GPG_DO_KGTIME_DEC:
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return NR_DO_KGTIME_DEC;
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case GPG_DO_KGTIME_AUT:
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return NR_DO_KGTIME_AUT;
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case GPG_DO_LOGIN_DATA:
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return NR_DO_LOGIN_DATA;
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case GPG_DO_URL:
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return NR_DO_URL;
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case GPG_DO_NAME:
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return NR_DO_NAME;
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case GPG_DO_LANGUAGE:
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return NR_DO_LANGUAGE;
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default:
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fatal ();
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}
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}
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static void
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copy_tag (uint16_t tag)
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{
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if (tag < 0x0100)
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*res_p++ = (tag & 0xff);
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else
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{
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*res_p++ = (tag >> 8);
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*res_p++ = (tag & 0xff);
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}
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}
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static int
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do_hist_bytes (uint16_t tag, int with_tag)
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{
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/* XXX: For now, no life cycle management, just return template as is. */
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/* XXX: Supporing TERMINATE DF / ACTIVATE FILE, we need to fix here */
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copy_do_1 (tag, historical_bytes, with_tag);
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return 1;
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}
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#define SIZE_FP 20
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#define SIZE_KGTIME 4
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static int
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do_fp_all (uint16_t tag, int with_tag)
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{
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const uint8_t *data;
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if (with_tag)
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{
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copy_tag (tag);
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*res_p++ = SIZE_FP*3;
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}
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data = gpg_do_read_simple (NR_DO_FP_SIG);
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if (data)
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memcpy (res_p, data, SIZE_FP);
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else
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memset (res_p, 0, SIZE_FP);
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res_p += SIZE_FP;
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data = gpg_do_read_simple (NR_DO_FP_DEC);
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if (data)
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memcpy (res_p, data, SIZE_FP);
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else
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memset (res_p, 0, SIZE_FP);
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res_p += SIZE_FP;
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data = gpg_do_read_simple (NR_DO_FP_AUT);
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if (data)
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memcpy (res_p, data, SIZE_FP);
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else
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memset (res_p, 0, SIZE_FP);
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res_p += SIZE_FP;
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return 1;
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}
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static int
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do_cafp_all (uint16_t tag, int with_tag)
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{
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const uint8_t *data;
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if (with_tag)
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{
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copy_tag (tag);
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*res_p++ = SIZE_FP*3;
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}
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data = gpg_do_read_simple (NR_DO_CAFP_1);
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if (data)
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memcpy (res_p, data, SIZE_FP);
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else
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memset (res_p, 0, SIZE_FP);
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res_p += SIZE_FP;
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data = gpg_do_read_simple (NR_DO_CAFP_2);
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if (data)
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memcpy (res_p, data, SIZE_FP);
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else
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memset (res_p, 0, SIZE_FP);
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res_p += SIZE_FP;
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data = gpg_do_read_simple (NR_DO_CAFP_2);
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if (data)
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memcpy (res_p, data, SIZE_FP);
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else
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memset (res_p, 0, SIZE_FP);
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res_p += SIZE_FP;
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return 1;
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}
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static int
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do_kgtime_all (uint16_t tag, int with_tag)
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{
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const uint8_t *data;
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if (with_tag)
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{
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copy_tag (tag);
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*res_p++ = SIZE_KGTIME*3;
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}
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data = gpg_do_read_simple (NR_DO_KGTIME_SIG);
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if (data)
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memcpy (res_p, data, SIZE_KGTIME);
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else
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memset (res_p, 0, SIZE_KGTIME);
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res_p += SIZE_KGTIME;
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data = gpg_do_read_simple (NR_DO_KGTIME_DEC);
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if (data)
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memcpy (res_p, data, SIZE_KGTIME);
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else
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memset (res_p, 0, SIZE_KGTIME);
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res_p += SIZE_KGTIME;
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data = gpg_do_read_simple (NR_DO_KGTIME_AUT);
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if (data)
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memcpy (res_p, data, SIZE_KGTIME);
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else
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memset (res_p, 0, SIZE_KGTIME);
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res_p += SIZE_KGTIME;
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return 1;
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}
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static int
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do_ds_count (uint16_t tag, int with_tag)
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{
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if (with_tag)
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{
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copy_tag (tag);
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*res_p++ = 3;
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}
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*res_p++ = (digital_signature_counter >> 16) & 0xff;
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*res_p++ = (digital_signature_counter >> 8) & 0xff;
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*res_p++ = digital_signature_counter & 0xff;
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return 1;
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}
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|
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static int
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rw_pw_status (uint16_t tag, int with_tag,
|
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const uint8_t *data, int len, int is_write)
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{
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if (is_write)
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{
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(void)len; /* Should be SIZE_PW_STATUS_BYTES */
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|
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/* Only the first byte of DATA is checked */
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if (data[0] == 0)
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{
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flash_bool_clear (&pw1_lifetime_p);
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if (pw1_lifetime_p == NULL)
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return 1;
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else
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return 0;
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}
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else
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{
|
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pw1_lifetime_p = flash_bool_write (NR_BOOL_PW1_LIFETIME);
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if (pw1_lifetime_p != NULL)
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return 1;
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else
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return 0;
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}
|
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}
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else
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{
|
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if (with_tag)
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{
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copy_tag (tag);
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*res_p++ = SIZE_PW_STATUS_BYTES;
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}
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*res_p++ = gpg_get_pw1_lifetime ();
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*res_p++ = PW_LEN_MAX;
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*res_p++ = PW_LEN_MAX;
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*res_p++ = PW_LEN_MAX;
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*res_p++ = PASSWORD_ERRORS_MAX - gpg_get_pw_err_counter (PW_ERR_PW1);
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*res_p++ = PASSWORD_ERRORS_MAX - gpg_get_pw_err_counter (PW_ERR_RC);
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*res_p++ = PASSWORD_ERRORS_MAX - gpg_get_pw_err_counter (PW_ERR_PW3);
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return 1;
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}
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}
|
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|
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static int
|
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proc_resetting_code (const uint8_t *data, int len)
|
|
{
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const uint8_t *old_ks = keystring_md_pw3;
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uint8_t new_ks0[KEYSTRING_MD_SIZE+1];
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uint8_t *new_ks = &new_ks0[1];
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const uint8_t *newpw;
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int newpw_len;
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int r;
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DEBUG_INFO ("Resetting Code!\r\n");
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newpw_len = len;
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newpw = data;
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sha1 (newpw, newpw_len, new_ks);
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new_ks0[0] = newpw_len;
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r = gpg_change_keystring (BY_ADMIN, old_ks, BY_RESETCODE, new_ks);
|
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if (r < -2)
|
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{
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DEBUG_INFO ("memory error.\r\n");
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return 0;
|
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}
|
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else if (r < 0)
|
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{
|
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DEBUG_INFO ("security error.\r\n");
|
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return 0;
|
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}
|
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else if (r == 0)
|
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{
|
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DEBUG_INFO ("done (no prvkey).\r\n");
|
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gpg_do_write_simple (NR_DO_KEYSTRING_RC, new_ks0, KEYSTRING_SIZE_RC);
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}
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else
|
|
{
|
|
DEBUG_INFO ("done.\r\n");
|
|
gpg_do_write_simple (NR_DO_KEYSTRING_RC, new_ks0, 1);
|
|
}
|
|
|
|
gpg_reset_pw_err_counter (PW_ERR_RC);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
encrypt (const uint8_t *key_str, uint8_t *data, int len)
|
|
{
|
|
aes_context aes;
|
|
uint8_t iv[16];
|
|
int iv_offset;
|
|
|
|
DEBUG_INFO ("ENC\r\n");
|
|
DEBUG_BINARY (data, len);
|
|
|
|
aes_setkey_enc (&aes, key_str, 128);
|
|
memset (iv, 0, 16);
|
|
iv_offset = 0;
|
|
aes_crypt_cfb128 (&aes, AES_ENCRYPT, len, &iv_offset, iv, data, data);
|
|
}
|
|
|
|
/* Signing, Decryption, and Authentication */
|
|
struct key_data kd[3];
|
|
|
|
static void
|
|
decrypt (const uint8_t *key_str, uint8_t *data, int len)
|
|
{
|
|
aes_context aes;
|
|
uint8_t iv[16];
|
|
int iv_offset;
|
|
|
|
aes_setkey_enc (&aes, key_str, 128);
|
|
memset (iv, 0, 16);
|
|
iv_offset = 0;
|
|
aes_crypt_cfb128 (&aes, AES_DECRYPT, len, &iv_offset, iv, data, data);
|
|
|
|
DEBUG_INFO ("DEC\r\n");
|
|
DEBUG_BINARY (data, len);
|
|
}
|
|
|
|
static uint8_t
|
|
get_do_ptr_nr_for_kk (enum kind_of_key kk)
|
|
{
|
|
switch (kk)
|
|
{
|
|
case GPG_KEY_FOR_SIGNING:
|
|
return NR_DO_PRVKEY_SIG;
|
|
case GPG_KEY_FOR_DECRYPTION:
|
|
return NR_DO_PRVKEY_DEC;
|
|
case GPG_KEY_FOR_AUTHENTICATION:
|
|
return NR_DO_PRVKEY_AUT;
|
|
}
|
|
return NR_DO_PRVKEY_SIG;
|
|
}
|
|
|
|
void
|
|
gpg_do_clear_prvkey (enum kind_of_key kk)
|
|
{
|
|
memset ((void *)&kd[kk], 0, sizeof (struct key_data));
|
|
}
|
|
|
|
/*
|
|
* Return 1 on success,
|
|
* 0 if none,
|
|
* -1 on error,
|
|
*/
|
|
int
|
|
gpg_do_load_prvkey (enum kind_of_key kk, int who, const uint8_t *keystring)
|
|
{
|
|
uint8_t nr = get_do_ptr_nr_for_kk (kk);
|
|
const uint8_t *do_data = do_ptr[nr - NR_DO__FIRST__];
|
|
uint8_t *key_addr;
|
|
uint8_t dek[DATA_ENCRYPTION_KEY_SIZE];
|
|
|
|
if (do_data == NULL)
|
|
return 0;
|
|
|
|
key_addr = *(uint8_t **)&(do_data)[1];
|
|
memcpy (kd[kk].data, key_addr, KEY_CONTENT_LEN);
|
|
memcpy (((uint8_t *)&kd[kk].check), do_data+5, ADDITIONAL_DATA_SIZE);
|
|
memcpy (dek, do_data+5+16*who, DATA_ENCRYPTION_KEY_SIZE);
|
|
|
|
decrypt (keystring, dek, DATA_ENCRYPTION_KEY_SIZE);
|
|
decrypt (dek, (uint8_t *)&kd[kk], sizeof (struct key_data));
|
|
if (memcmp (kd[kk].magic, GNUK_MAGIC, KEY_MAGIC_LEN) != 0)
|
|
{
|
|
DEBUG_INFO ("gpg_do_load_prvkey failed.\r\n");
|
|
return -1;
|
|
}
|
|
/* more sanity check??? */
|
|
return 1;
|
|
}
|
|
|
|
static uint32_t
|
|
calc_check32 (const uint8_t *p, int len)
|
|
{
|
|
uint32_t check = 0;
|
|
uint32_t *data = (uint32_t *)p;
|
|
int i;
|
|
|
|
for (i = 0; i < len/4; i++)
|
|
check += data[i];
|
|
|
|
return check;
|
|
}
|
|
|
|
static int8_t num_prv_keys;
|
|
|
|
static int
|
|
gpg_do_write_prvkey (enum kind_of_key kk, const uint8_t *key_data, int key_len,
|
|
const uint8_t *keystring)
|
|
{
|
|
uint8_t nr = get_do_ptr_nr_for_kk (kk);
|
|
const uint8_t *p;
|
|
int r;
|
|
const uint8_t *modulus;
|
|
struct prvkey_data *pd;
|
|
uint8_t *key_addr;
|
|
const uint8_t *dek;
|
|
const uint8_t *do_data = do_ptr[nr - NR_DO__FIRST__];
|
|
const uint8_t *ks_pw1;
|
|
const uint8_t *ks_rc;
|
|
|
|
#if 0
|
|
assert (key_len == KEY_CONTENT_LEN);
|
|
#endif
|
|
|
|
DEBUG_INFO ("Key import\r\n");
|
|
DEBUG_SHORT (key_len);
|
|
|
|
if (do_data)
|
|
/* No replace support, you need to remove it first. */
|
|
return -1;
|
|
|
|
pd = (struct prvkey_data *)malloc (sizeof (struct prvkey_data));
|
|
if (pd == NULL)
|
|
return -1;
|
|
|
|
modulus = modulus_calc (key_data, key_len);
|
|
if (modulus == NULL)
|
|
{
|
|
free (pd);
|
|
return -1;
|
|
}
|
|
|
|
DEBUG_INFO ("Getting keystore address...\r\n");
|
|
key_addr = flash_key_alloc ();
|
|
if (key_addr == NULL)
|
|
{
|
|
free (pd);
|
|
modulus_free (modulus);
|
|
return -1;
|
|
}
|
|
|
|
DEBUG_INFO ("key_addr: ");
|
|
DEBUG_WORD ((uint32_t)key_addr);
|
|
|
|
memcpy (kd[kk].data, key_data, KEY_CONTENT_LEN);
|
|
kd[kk].check = calc_check32 (key_data, KEY_CONTENT_LEN);
|
|
kd[kk].random = get_random ();
|
|
memcpy (kd[kk].magic, GNUK_MAGIC, KEY_MAGIC_LEN);
|
|
|
|
dek = random_bytes_get (); /* 16-byte random bytes */
|
|
memcpy (pd->dek_encrypted_1, dek, DATA_ENCRYPTION_KEY_SIZE);
|
|
memcpy (pd->dek_encrypted_2, dek, DATA_ENCRYPTION_KEY_SIZE);
|
|
memcpy (pd->dek_encrypted_3, dek, DATA_ENCRYPTION_KEY_SIZE);
|
|
ks_pw1 = gpg_do_read_simple (NR_DO_KEYSTRING_PW1);
|
|
ks_rc = gpg_do_read_simple (NR_DO_KEYSTRING_RC);
|
|
|
|
encrypt (dek, (uint8_t *)&kd[kk], sizeof (struct key_data));
|
|
|
|
r = flash_key_write (key_addr, kd[kk].data, modulus);
|
|
modulus_free (modulus);
|
|
|
|
if (r < 0)
|
|
{
|
|
random_bytes_free (dek);
|
|
free (pd);
|
|
return r;
|
|
}
|
|
|
|
pd->key_addr = key_addr;
|
|
memcpy (pd->crm_encrypted, (uint8_t *)&kd[kk].check, ADDITIONAL_DATA_SIZE);
|
|
|
|
if (kk == GPG_KEY_FOR_SIGNING)
|
|
ac_reset_pso_cds ();
|
|
else
|
|
ac_reset_other ();
|
|
|
|
if (ks_pw1)
|
|
encrypt (ks_pw1+1, pd->dek_encrypted_1, DATA_ENCRYPTION_KEY_SIZE);
|
|
else
|
|
{
|
|
uint8_t ks123_pw1[KEYSTRING_SIZE_PW1];
|
|
|
|
ks123_pw1[0] = strlen (OPENPGP_CARD_INITIAL_PW1);
|
|
sha1 ((uint8_t *)OPENPGP_CARD_INITIAL_PW1,
|
|
strlen (OPENPGP_CARD_INITIAL_PW1), ks123_pw1+1);
|
|
encrypt (ks123_pw1+1, pd->dek_encrypted_1, DATA_ENCRYPTION_KEY_SIZE);
|
|
}
|
|
|
|
if (ks_rc)
|
|
encrypt (ks_rc+1, pd->dek_encrypted_2, DATA_ENCRYPTION_KEY_SIZE);
|
|
else
|
|
memset (pd->dek_encrypted_2, 0, DATA_ENCRYPTION_KEY_SIZE);
|
|
|
|
encrypt (keystring, pd->dek_encrypted_3, DATA_ENCRYPTION_KEY_SIZE);
|
|
|
|
p = flash_do_write (nr, (const uint8_t *)pd, sizeof (struct prvkey_data));
|
|
do_ptr[nr - NR_DO__FIRST__] = p;
|
|
|
|
random_bytes_free (dek);
|
|
free (pd);
|
|
if (p == NULL)
|
|
return -1;
|
|
|
|
if (++num_prv_keys == NUM_ALL_PRV_KEYS) /* All keys are registered. */
|
|
{
|
|
/* Remove contents of keystrings from DO, but length */
|
|
if (ks_pw1)
|
|
{
|
|
uint8_t ks_pw1_len = ks_pw1[0];
|
|
gpg_do_write_simple (NR_DO_KEYSTRING_PW1, &ks_pw1_len, 1);
|
|
}
|
|
|
|
if (ks_rc)
|
|
{
|
|
uint8_t ks_rc_len = ks_rc[0];
|
|
gpg_do_write_simple (NR_DO_KEYSTRING_RC, &ks_rc_len, 1);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
gpg_do_chks_prvkey (enum kind_of_key kk,
|
|
int who_old, const uint8_t *old_ks,
|
|
int who_new, const uint8_t *new_ks)
|
|
{
|
|
uint8_t nr = get_do_ptr_nr_for_kk (kk);
|
|
const uint8_t *do_data = do_ptr[nr - NR_DO__FIRST__];
|
|
uint8_t dek[DATA_ENCRYPTION_KEY_SIZE];
|
|
struct prvkey_data *pd;
|
|
const uint8_t *p;
|
|
uint8_t *dek_p;
|
|
|
|
if (do_data == NULL)
|
|
return 0; /* No private key */
|
|
|
|
pd = (struct prvkey_data *)malloc (sizeof (struct prvkey_data));
|
|
if (pd == NULL)
|
|
return -1;
|
|
|
|
memcpy (pd, &(do_data)[1], sizeof (struct prvkey_data));
|
|
dek_p = ((uint8_t *)pd) + 4 + ADDITIONAL_DATA_SIZE
|
|
+ DATA_ENCRYPTION_KEY_SIZE * (who_old - 1);
|
|
memcpy (dek, dek_p, DATA_ENCRYPTION_KEY_SIZE);
|
|
decrypt (old_ks, dek, DATA_ENCRYPTION_KEY_SIZE);
|
|
encrypt (new_ks, dek, DATA_ENCRYPTION_KEY_SIZE);
|
|
dek_p += DATA_ENCRYPTION_KEY_SIZE * (who_new - who_old);
|
|
memcpy (dek_p, dek, DATA_ENCRYPTION_KEY_SIZE);
|
|
|
|
p = flash_do_write (nr, (const uint8_t *)pd, sizeof (struct prvkey_data));
|
|
do_ptr[nr - NR_DO__FIRST__] = p;
|
|
|
|
flash_do_release (do_data);
|
|
free (pd);
|
|
if (p == NULL)
|
|
return -1;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* 4d, xx, xx: Extended Header List
|
|
* b6 00 (SIG) / b8 00 (DEC) / a4 00 (AUT)
|
|
* 7f48, xx: cardholder private key template
|
|
* 91 xx
|
|
* 92 xx
|
|
* 93 xx
|
|
* 5f48, xx: cardholder private key
|
|
*/
|
|
static int
|
|
proc_key_import (const uint8_t *data, int len)
|
|
{
|
|
int r;
|
|
enum kind_of_key kk;
|
|
|
|
DEBUG_BINARY (data, len);
|
|
|
|
if (data[4] == 0xb6)
|
|
kk = GPG_KEY_FOR_SIGNING;
|
|
else if (data[4] == 0xb8)
|
|
kk = GPG_KEY_FOR_DECRYPTION;
|
|
else /* 0xa4 */
|
|
kk = GPG_KEY_FOR_AUTHENTICATION;
|
|
|
|
if (len <= 22)
|
|
{ /* Deletion of the key */
|
|
uint8_t nr = get_do_ptr_nr_for_kk (kk);
|
|
const uint8_t *do_data = do_ptr[nr - NR_DO__FIRST__];
|
|
|
|
if (do_data == NULL)
|
|
return 1;
|
|
|
|
do_ptr[nr - NR_DO__FIRST__] = NULL;
|
|
flash_do_release (do_data);
|
|
|
|
if (--num_prv_keys == 0)
|
|
{
|
|
flash_keystore_release ();
|
|
|
|
/* Delete PW1 and RC if any */
|
|
gpg_do_write_simple (NR_DO_KEYSTRING_PW1, NULL, 0);
|
|
gpg_do_write_simple (NR_DO_KEYSTRING_RC, NULL, 0);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* It should starts with 00 01 00 01 (E) */
|
|
/* Skip E, 4-byte */
|
|
r = gpg_do_write_prvkey (kk, &data[26], len - 26, keystring_md_pw3);
|
|
if (r < 0)
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static const uint16_t cmp_ch_data[] = {
|
|
3,
|
|
GPG_DO_NAME,
|
|
GPG_DO_LANGUAGE,
|
|
GPG_DO_SEX,
|
|
};
|
|
|
|
static const uint16_t cmp_app_data[] = {
|
|
10,
|
|
GPG_DO_AID,
|
|
GPG_DO_HIST_BYTES,
|
|
/* XXX Discretionary data objects 0x0073 ??? */
|
|
GPG_DO_EXTCAP,
|
|
GPG_DO_ALG_SIG, GPG_DO_ALG_DEC, GPG_DO_ALG_AUT,
|
|
GPG_DO_PW_STATUS,
|
|
GPG_DO_FP_ALL, GPG_DO_CAFP_ALL, GPG_DO_KGTIME_ALL
|
|
};
|
|
|
|
static const uint16_t cmp_ss_temp[] = { 1, GPG_DO_DS_COUNT };
|
|
|
|
static const struct do_table_entry
|
|
gpg_do_table[] = {
|
|
/* Variables: Fixed size */
|
|
{ GPG_DO_SEX, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[0] },
|
|
{ GPG_DO_FP_SIG, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[1] },
|
|
{ GPG_DO_FP_DEC, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[2] },
|
|
{ GPG_DO_FP_AUT, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[3] },
|
|
{ GPG_DO_CAFP_1, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[4] },
|
|
{ GPG_DO_CAFP_2, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[5] },
|
|
{ GPG_DO_CAFP_3, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[6] },
|
|
{ GPG_DO_KGTIME_SIG, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[7] },
|
|
{ GPG_DO_KGTIME_DEC, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[8] },
|
|
{ GPG_DO_KGTIME_AUT, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[9] },
|
|
/* Variables: Variable size */
|
|
{ GPG_DO_LOGIN_DATA, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[10] },
|
|
{ GPG_DO_URL, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[11] },
|
|
{ GPG_DO_NAME, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[12] },
|
|
{ GPG_DO_LANGUAGE, DO_VAR, AC_ALWAYS, AC_ADMIN_AUTHORIZED, &do_ptr[13] },
|
|
/* Pseudo DO READ: calculated */
|
|
{ GPG_DO_HIST_BYTES, DO_PROC_READ, AC_ALWAYS, AC_NEVER, do_hist_bytes },
|
|
{ GPG_DO_FP_ALL, DO_PROC_READ, AC_ALWAYS, AC_NEVER, do_fp_all },
|
|
{ GPG_DO_CAFP_ALL, DO_PROC_READ, AC_ALWAYS, AC_NEVER, do_cafp_all },
|
|
{ GPG_DO_KGTIME_ALL, DO_PROC_READ, AC_ALWAYS, AC_NEVER, do_kgtime_all },
|
|
/* Pseudo DO READ: calculated, not changeable by user */
|
|
{ GPG_DO_DS_COUNT, DO_PROC_READ, AC_ALWAYS, AC_NEVER, do_ds_count },
|
|
/* Pseudo DO READ/WRITE: calculated */
|
|
{ GPG_DO_PW_STATUS, DO_PROC_READWRITE, AC_ALWAYS, AC_ADMIN_AUTHORIZED,
|
|
rw_pw_status },
|
|
/* Fixed data */
|
|
{ GPG_DO_AID, DO_FIXED, AC_ALWAYS, AC_NEVER, openpgpcard_aid },
|
|
{ GPG_DO_EXTCAP, DO_FIXED, AC_ALWAYS, AC_NEVER, extended_capabilities },
|
|
{ GPG_DO_ALG_SIG, DO_FIXED, AC_ALWAYS, AC_NEVER, algorithm_attr },
|
|
{ GPG_DO_ALG_DEC, DO_FIXED, AC_ALWAYS, AC_NEVER, algorithm_attr },
|
|
{ GPG_DO_ALG_AUT, DO_FIXED, AC_ALWAYS, AC_NEVER, algorithm_attr },
|
|
/* Compound data: Read access only */
|
|
{ GPG_DO_CH_DATA, DO_CMP_READ, AC_ALWAYS, AC_NEVER, cmp_ch_data },
|
|
{ GPG_DO_APP_DATA, DO_CMP_READ, AC_ALWAYS, AC_NEVER, cmp_app_data },
|
|
{ GPG_DO_SS_TEMP, DO_CMP_READ, AC_ALWAYS, AC_NEVER, cmp_ss_temp },
|
|
/* Simple data: write access only */
|
|
{ GPG_DO_RESETTING_CODE, DO_PROC_WRITE, AC_NEVER, AC_ADMIN_AUTHORIZED,
|
|
proc_resetting_code },
|
|
/* Compound data: Write access only */
|
|
{ GPG_DO_KEY_IMPORT, DO_PROC_WRITE, AC_NEVER, AC_ADMIN_AUTHORIZED,
|
|
proc_key_import },
|
|
/* Card holder certificate: Not supported yet */
|
|
{ GPG_DO_CH_CERTIFICATE, DO_PROC_READWRITE, AC_NEVER, AC_NEVER, NULL },
|
|
};
|
|
|
|
#define NUM_DO_ENTRIES (int)(sizeof (gpg_do_table) \
|
|
/ sizeof (struct do_table_entry))
|
|
|
|
/*
|
|
* Reading data from Flash ROM, initialize DO_PTR, PW_ERR_COUNTERS, etc.
|
|
*/
|
|
void
|
|
gpg_data_scan (const uint8_t *p_start)
|
|
{
|
|
const uint8_t *p;
|
|
int i;
|
|
const uint8_t *dsc_h14_p, *dsc_l10_p;
|
|
int dsc_h14, dsc_l10;
|
|
|
|
dsc_h14_p = dsc_l10_p = NULL;
|
|
pw1_lifetime_p = NULL;
|
|
pw_err_counter_p[PW_ERR_PW1] = NULL;
|
|
pw_err_counter_p[PW_ERR_RC] = NULL;
|
|
pw_err_counter_p[PW_ERR_PW3] = NULL;
|
|
|
|
/* Traverse DO, counters, etc. in DATA pool */
|
|
p = p_start;
|
|
while (*p != NR_EMPTY)
|
|
{
|
|
uint8_t nr = *p++;
|
|
uint8_t second_byte = *p;
|
|
|
|
if (nr == 0x00 && second_byte == 0x00)
|
|
p++; /* Skip released word */
|
|
else
|
|
{
|
|
if (nr < 0x80)
|
|
{
|
|
/* It's Data Object */
|
|
do_ptr[nr - NR_DO__FIRST__] = p;
|
|
p += second_byte + 1; /* second_byte has length */
|
|
|
|
if (((uint32_t)p & 1))
|
|
p++;
|
|
}
|
|
else if (nr >= 0x80 && nr <= 0xbf)
|
|
/* Encoded data of Digital Signature Counter: upper 14-bit */
|
|
{
|
|
dsc_h14_p = p - 1;
|
|
p++;
|
|
}
|
|
else if (nr >= 0xc0 && nr <= 0xc3)
|
|
/* Encoded data of Digital Signature Counter: lower 10-bit */
|
|
{
|
|
dsc_l10_p = p - 1;
|
|
p++;
|
|
}
|
|
else
|
|
switch (nr)
|
|
{
|
|
case NR_BOOL_PW1_LIFETIME:
|
|
pw1_lifetime_p = p - 1;
|
|
p++;
|
|
continue;
|
|
case NR_COUNTER_123:
|
|
p++;
|
|
if (second_byte <= PW_ERR_PW3)
|
|
pw_err_counter_p[second_byte] = p;
|
|
p += 2;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
flash_set_data_pool_last (p);
|
|
|
|
num_prv_keys = 0;
|
|
if (do_ptr[NR_DO_PRVKEY_SIG - NR_DO__FIRST__] != NULL)
|
|
num_prv_keys++;
|
|
if (do_ptr[NR_DO_PRVKEY_DEC - NR_DO__FIRST__] != NULL)
|
|
num_prv_keys++;
|
|
if (do_ptr[NR_DO_PRVKEY_AUT - NR_DO__FIRST__] != NULL)
|
|
num_prv_keys++;
|
|
|
|
data_objects_number_of_bytes = 0;
|
|
for (i = NR_DO__FIRST__; i < NR_DO__LAST__; i++)
|
|
if (do_ptr[i - NR_DO__FIRST__] != NULL)
|
|
data_objects_number_of_bytes += *do_ptr[i - NR_DO__FIRST__];
|
|
|
|
if (dsc_l10_p == NULL)
|
|
dsc_l10 = 0;
|
|
else
|
|
dsc_l10 = ((*dsc_l10_p - 0xc0) << 8) | *(dsc_l10_p + 1);
|
|
|
|
if (dsc_h14_p == NULL)
|
|
dsc_h14 = 0;
|
|
else
|
|
{
|
|
dsc_h14 = ((*dsc_h14_p - 0x80) << 8) | *(dsc_h14_p + 1);
|
|
if (dsc_l10_p == NULL)
|
|
DEBUG_INFO ("something wrong in DSC\r\n"); /* weird??? */
|
|
else if (dsc_l10_p < dsc_h14_p)
|
|
/* Possibly, power off during writing dsc_l10 */
|
|
dsc_l10 = 0;
|
|
}
|
|
|
|
digital_signature_counter = (dsc_h14 << 10) | dsc_l10;
|
|
}
|
|
|
|
void
|
|
gpg_data_copy (const uint8_t *p_start)
|
|
{
|
|
const uint8_t *p;
|
|
int i;
|
|
int v;
|
|
|
|
p = gpg_write_digital_signature_counter (p_start, digital_signature_counter);
|
|
|
|
if (pw1_lifetime_p != NULL)
|
|
{
|
|
flash_bool_write_internal (p, NR_BOOL_PW1_LIFETIME);
|
|
pw1_lifetime_p = p;
|
|
p += 2;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
if ((v = flash_cnt123_get_value (pw_err_counter_p[i])) != 0)
|
|
{
|
|
flash_cnt123_write_internal (p, i, v);
|
|
pw_err_counter_p[i] = p + 2;
|
|
p += 4;
|
|
}
|
|
|
|
data_objects_number_of_bytes = 0;
|
|
for (i = NR_DO__FIRST__; i < NR_DO__LAST__; i++)
|
|
if (do_ptr[i - NR_DO__FIRST__] != NULL)
|
|
{
|
|
const uint8_t *do_data = do_ptr[i - NR_DO__FIRST__];
|
|
int len = do_data[0];
|
|
|
|
flash_do_write_internal (p, i, &do_data[1], len);
|
|
do_ptr[i - NR_DO__FIRST__] = p + 1;
|
|
p += 2 + ((len + 1) & ~1);
|
|
data_objects_number_of_bytes += len;
|
|
}
|
|
|
|
flash_set_data_pool_last (p);
|
|
}
|
|
|
|
static const struct do_table_entry *
|
|
get_do_entry (uint16_t tag)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < NUM_DO_ENTRIES; i++)
|
|
if (gpg_do_table[i].tag == tag)
|
|
return &gpg_do_table[i];
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
copy_do_1 (uint16_t tag, const uint8_t *do_data, int with_tag)
|
|
{
|
|
int len;
|
|
|
|
if (with_tag)
|
|
{
|
|
copy_tag (tag);
|
|
|
|
if (do_data[0] >= 128)
|
|
*res_p++ = 0x81;
|
|
|
|
len = do_data[0] + 1;
|
|
}
|
|
else
|
|
{
|
|
len = do_data[0];
|
|
do_data++;
|
|
}
|
|
|
|
memcpy (res_p, do_data, len);
|
|
res_p += len;
|
|
}
|
|
|
|
static int
|
|
copy_do (const struct do_table_entry *do_p, int with_tag)
|
|
{
|
|
if (do_p == NULL)
|
|
return 0;
|
|
|
|
if (!ac_check_status (do_p->ac_read))
|
|
return -1;
|
|
|
|
switch (do_p->do_type)
|
|
{
|
|
case DO_FIXED:
|
|
{
|
|
const uint8_t *do_data = (const uint8_t *)do_p->obj;
|
|
if (do_data == NULL)
|
|
return 0;
|
|
else
|
|
copy_do_1 (do_p->tag, do_data, with_tag);
|
|
break;
|
|
}
|
|
case DO_VAR:
|
|
{
|
|
const uint8_t *do_data = *(const uint8_t **)do_p->obj;
|
|
if (do_data == NULL)
|
|
return 0;
|
|
else
|
|
copy_do_1 (do_p->tag, do_data, with_tag);
|
|
break;
|
|
}
|
|
case DO_CMP_READ:
|
|
{
|
|
int i;
|
|
const uint16_t *cmp_data = (const uint16_t *)do_p->obj;
|
|
int num_components = cmp_data[0];
|
|
uint8_t *len_p;
|
|
|
|
copy_tag (do_p->tag);
|
|
*res_p++ = 0x81; /* Assume it's less than 256 */
|
|
len_p = res_p;
|
|
*res_p++ = 0; /* for now */
|
|
|
|
for (i = 0; i < num_components; i++)
|
|
{
|
|
uint16_t tag0;
|
|
const struct do_table_entry *do0_p;
|
|
|
|
tag0 = cmp_data[i+1];
|
|
do0_p = get_do_entry (tag0);
|
|
if (copy_do (do0_p, 1) < 0)
|
|
return -1;
|
|
}
|
|
|
|
*len_p = (res_p - len_p);
|
|
break;
|
|
}
|
|
case DO_PROC_READ:
|
|
{
|
|
int (*do_func)(uint16_t, int) = (int (*)(uint16_t, int))do_p->obj;
|
|
|
|
return do_func (do_p->tag, with_tag);
|
|
}
|
|
case DO_PROC_READWRITE:
|
|
{
|
|
int (*rw_func)(uint16_t, int, uint8_t *, int, int)
|
|
= (int (*)(uint16_t, int, uint8_t *, int, int))do_p->obj;
|
|
|
|
return rw_func (do_p->tag, with_tag, NULL, 0, 0);
|
|
}
|
|
case DO_PROC_WRITE:
|
|
return -1;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Process GET_DATA request on Data Object specified by TAG
|
|
* Call write_res_adpu to fill data returned
|
|
*/
|
|
void
|
|
gpg_do_get_data (uint16_t tag)
|
|
{
|
|
const struct do_table_entry *do_p = get_do_entry (tag);
|
|
|
|
res_p = res_APDU;
|
|
|
|
DEBUG_INFO (" ");
|
|
DEBUG_SHORT (tag);
|
|
|
|
if (do_p)
|
|
{
|
|
if (copy_do (do_p, 0) < 0)
|
|
/* Overwriting partially written result */
|
|
GPG_SECURITY_FAILURE ();
|
|
else
|
|
{
|
|
*res_p++ = 0x90;
|
|
*res_p++ = 0x00;
|
|
res_APDU_size = res_p - res_APDU;
|
|
}
|
|
}
|
|
else
|
|
GPG_NO_RECORD();
|
|
}
|
|
|
|
void
|
|
gpg_do_put_data (uint16_t tag, const uint8_t *data, int len)
|
|
{
|
|
const struct do_table_entry *do_p = get_do_entry (tag);
|
|
|
|
DEBUG_INFO (" ");
|
|
DEBUG_SHORT (tag);
|
|
|
|
if (do_p)
|
|
{
|
|
if (!ac_check_status (do_p->ac_write))
|
|
{
|
|
GPG_SECURITY_FAILURE ();
|
|
return;
|
|
}
|
|
|
|
switch (do_p->do_type)
|
|
{
|
|
case DO_FIXED:
|
|
case DO_CMP_READ:
|
|
case DO_PROC_READ:
|
|
GPG_SECURITY_FAILURE ();
|
|
break;
|
|
case DO_VAR:
|
|
{
|
|
const uint8_t **do_data_p = (const uint8_t **)do_p->obj;
|
|
|
|
if (*do_data_p)
|
|
flash_do_release (*do_data_p);
|
|
|
|
if (len == 0)
|
|
/* make DO empty */
|
|
*do_data_p = NULL;
|
|
else if (len > 255)
|
|
GPG_MEMORY_FAILURE ();
|
|
else
|
|
{
|
|
uint8_t nr = do_tag_to_nr (tag);
|
|
|
|
*do_data_p = flash_do_write (nr, data, len);
|
|
if (*do_data_p)
|
|
GPG_SUCCESS ();
|
|
else
|
|
GPG_MEMORY_FAILURE ();
|
|
}
|
|
break;
|
|
}
|
|
case DO_PROC_READWRITE:
|
|
{
|
|
int (*rw_func)(uint16_t, int, const uint8_t *, int, int)
|
|
= (int (*)(uint16_t, int, const uint8_t *, int, int))do_p->obj;
|
|
|
|
if (rw_func (tag, 0, data, len, 1))
|
|
GPG_SUCCESS ();
|
|
else
|
|
GPG_ERROR ();
|
|
break;
|
|
}
|
|
case DO_PROC_WRITE:
|
|
{
|
|
int (*proc_func)(const uint8_t *, int)
|
|
= (int (*)(const uint8_t *, int))do_p->obj;
|
|
|
|
if (proc_func (data, len))
|
|
GPG_SUCCESS ();
|
|
else
|
|
GPG_ERROR ();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
GPG_NO_RECORD();
|
|
}
|
|
|
|
void
|
|
gpg_do_public_key (uint8_t kk_byte)
|
|
{
|
|
const uint8_t *do_data;
|
|
const uint8_t *key_addr;
|
|
|
|
DEBUG_INFO ("Public key\r\n");
|
|
DEBUG_BYTE (kk_byte);
|
|
|
|
if (kk_byte == 0xb6)
|
|
do_data = do_ptr[NR_DO_PRVKEY_SIG - NR_DO__FIRST__];
|
|
else if (kk_byte == 0xb8)
|
|
do_data = do_ptr[NR_DO_PRVKEY_DEC - NR_DO__FIRST__];
|
|
else /* 0xa4 */
|
|
do_data = do_ptr[NR_DO_PRVKEY_AUT - NR_DO__FIRST__];
|
|
|
|
if (do_data == NULL)
|
|
{
|
|
DEBUG_INFO ("none.\r\n");
|
|
GPG_NO_RECORD();
|
|
return;
|
|
}
|
|
|
|
key_addr = *(const uint8_t **)&do_data[1];
|
|
|
|
res_p = res_APDU;
|
|
|
|
/* TAG */
|
|
*res_p++ = 0x7f; *res_p++ = 0x49;
|
|
/* LEN = 9+256 */
|
|
*res_p++ = 0x82; *res_p++ = 0x01; *res_p++ = 0x09;
|
|
|
|
{
|
|
/*TAG*/ /*LEN = 256 */
|
|
*res_p++ = 0x81; *res_p++ = 0x82; *res_p++ = 0x01; *res_p++ = 0x00;
|
|
/* 256-byte binary (big endian) */
|
|
memcpy (res_p, key_addr + KEY_CONTENT_LEN, KEY_CONTENT_LEN);
|
|
res_p += 256;
|
|
}
|
|
{
|
|
/*TAG*/ /*LEN= 3 */
|
|
*res_p++ = 0x82; *res_p++ = 3;
|
|
/* 3-byte E=0x10001 (big endian) */
|
|
*res_p++ = 0x01; *res_p++ = 0x00; *res_p++ = 0x01;
|
|
|
|
/* Success */
|
|
*res_p++ = 0x90; *res_p++ = 0x00;
|
|
res_APDU_size = res_p - res_APDU;
|
|
}
|
|
|
|
DEBUG_INFO ("done.\r\n");
|
|
return;
|
|
}
|
|
|
|
const uint8_t *
|
|
gpg_do_read_simple (uint8_t nr)
|
|
{
|
|
const uint8_t *do_data;
|
|
|
|
do_data = do_ptr[nr - NR_DO__FIRST__];
|
|
if (do_data == NULL)
|
|
return NULL;
|
|
|
|
return do_data+1;
|
|
}
|
|
|
|
void
|
|
gpg_do_write_simple (uint8_t nr, const uint8_t *data, int size)
|
|
{
|
|
const uint8_t **do_data_p;
|
|
|
|
do_data_p = (const uint8_t **)&do_ptr[nr - NR_DO__FIRST__];
|
|
if (*do_data_p)
|
|
flash_do_release (*do_data_p);
|
|
|
|
if (data != NULL)
|
|
{
|
|
*do_data_p = flash_do_write (nr, data, size);
|
|
if (*do_data_p == NULL)
|
|
flash_warning ("DO WRITE ERROR");
|
|
}
|
|
else
|
|
*do_data_p = NULL;
|
|
}
|