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opensc/src/libopensc/card-oberthur.c

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/*
* card-oberthur.c: Support for Oberthur smart cards
* CosmopolIC v5;
*
* Copyright (C) 2001, 2002 Juha Yrjölä <juha.yrjola@iki.fi>
* Copyright (C) 2009 Viktor Tarasov <viktor.tarasov@opentrust.com>,
* OpenTrust <www.opentrust.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* best view with tabstop=4
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef ENABLE_OPENSSL /* empty file without openssl */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <openssl/sha.h>
#include <openssl/evp.h>
#include <openssl/rsa.h>
#include <openssl/opensslv.h>
#include "internal.h"
#include "cardctl.h"
#include "pkcs15.h"
#define OBERTHUR_PIN_LOCAL 0x80
#define OBERTHUR_PIN_REFERENCE_USER 0x81
#define OBERTHUR_PIN_REFERENCE_ONETIME 0x82
#define OBERTHUR_PIN_REFERENCE_SO 0x04
#define OBERTHUR_PIN_REFERENCE_PUK 0x84
/* keep OpenSSL 0.9.6 users happy ;-) */
#if OPENSSL_VERSION_NUMBER < 0x00907000L
#define DES_cblock des_cblock
#define DES_key_schedule des_key_schedule
#define DES_set_key_unchecked(a,b) des_set_key_unchecked(a,*b)
#define DES_ecb_encrypt(a,b,c,d) des_ecb_encrypt(a,b,*c,d)
#endif
static struct sc_atr_table oberthur_atrs[] = {
{ "3B:7D:18:00:00:00:31:80:71:8E:64:77:E3:01:00:82:90:00", NULL,
"Oberthur 64k v4/2.1.1", SC_CARD_TYPE_OBERTHUR_64K, 0, NULL },
{ "3B:7D:18:00:00:00:31:80:71:8E:64:77:E3:02:00:82:90:00", NULL,
"Oberthur 64k v4/2.1.1", SC_CARD_TYPE_OBERTHUR_64K, 0, NULL },
{ "3B:7D:11:00:00:00:31:80:71:8E:64:77:E3:01:00:82:90:00", NULL,
"Oberthur 64k v5", SC_CARD_TYPE_OBERTHUR_64K, 0, NULL },
{ "3B:7D:11:00:00:00:31:80:71:8E:64:77:E3:02:00:82:90:00", NULL,
"Oberthur 64k v5/2.2.0", SC_CARD_TYPE_OBERTHUR_64K, 0, NULL },
{ "3B:7B:18:00:00:00:31:C0:64:77:E3:03:00:82:90:00", NULL,
"Oberthur 64k CosmopolIC v5.2/2.2", SC_CARD_TYPE_OBERTHUR_64K, 0, NULL },
{ "3B:FB:11:00:00:81:31:FE:45:00:31:C0:64:77:E9:10:00:00:90:00:6A", NULL,
"OCS ID-One Cosmo Card", SC_CARD_TYPE_OBERTHUR_64K, 0, NULL },
{ NULL, NULL, NULL, 0, 0, NULL }
};
struct auth_senv {
unsigned int algorithm;
int key_file_id;
size_t key_size;
};
struct auth_private_data {
unsigned char aid[SC_MAX_AID_SIZE];
int aid_len;
struct sc_pin_cmd_pin pin_info;
struct auth_senv senv;
long int sn;
};
struct auth_update_component_info {
enum SC_CARDCTL_OBERTHUR_KEY_TYPE type;
unsigned int component;
unsigned char *data;
unsigned int len;
};
static const unsigned char *aidAuthentIC_V5 =
(const unsigned char *)"\xA0\x00\x00\x00\x77\x01\x03\x03\x00\x00\x00\xF1\x00\x00\x00\x02";
static const int lenAidAuthentIC_V5 = 16;
static const char *nameAidAuthentIC_V5 = "AuthentIC v5";
#define OBERTHUR_AUTH_TYPE_PIN 1
#define OBERTHUR_AUTH_TYPE_PUK 2
#define OBERTHUR_AUTH_MAX_LENGTH_PIN 64
#define OBERTHUR_AUTH_MAX_LENGTH_PUK 16
#define SC_OBERTHUR_MAX_ATTR_SIZE 8
#define PUBKEY_512_ASN1_SIZE 0x4A
#define PUBKEY_1024_ASN1_SIZE 0x8C
#define PUBKEY_2048_ASN1_SIZE 0x10E
static unsigned char rsa_der[PUBKEY_2048_ASN1_SIZE];
static int rsa_der_len = 0;
static struct sc_file *auth_current_ef = NULL, *auth_current_df = NULL;
static struct sc_card_operations auth_ops;
static struct sc_card_operations *iso_ops;
static struct sc_card_driver auth_drv = {
"Oberthur AuthentIC.v2/CosmopolIC.v4",
"oberthur",
&auth_ops,
NULL, 0, NULL
};
static int auth_get_pin_reference (struct sc_card *card,
int type, int reference, int cmd, int *out_ref);
static int auth_read_component(struct sc_card *card,
enum SC_CARDCTL_OBERTHUR_KEY_TYPE type, int num,
unsigned char *out, size_t outlen);
static int auth_pin_is_verified(struct sc_card *card, int pin_reference,
int *tries_left);
static int auth_pin_verify(struct sc_card *card, unsigned int type,
struct sc_pin_cmd_data *data, int *tries_left);
static int auth_pin_reset(struct sc_card *card, unsigned int type,
struct sc_pin_cmd_data *data, int *tries_left);
static int auth_create_reference_data (struct sc_card *card,
struct sc_cardctl_oberthur_createpin_info *args);
static int auth_get_serialnr(struct sc_card *card, struct sc_serial_number *serial);
static int auth_select_file(struct sc_card *card, const struct sc_path *in_path,
struct sc_file **file_out);
static int acl_to_ac_byte(struct sc_card *card, const struct sc_acl_entry *e);
static int
auth_finish(struct sc_card *card)
{
free(card->drv_data);
return SC_SUCCESS;
}
static int
auth_select_aid(struct sc_card *card)
{
struct sc_apdu apdu;
unsigned char apdu_resp[SC_MAX_APDU_BUFFER_SIZE];
struct auth_private_data *data = (struct auth_private_data *) card->drv_data;
int rv, ii;
unsigned char cm[7] = {0xA0,0x00,0x00,0x00,0x03,0x00,0x00};
struct sc_path tmp_path;
/* Select Card Manager (to deselect previously selected application) */
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0xA4, 0x04, 0x0C);
apdu.lc = sizeof(cm);
/* apdu.le = sizeof(cm)+4; */
apdu.data = cm;
apdu.datalen = sizeof(cm);
apdu.resplen = sizeof(apdu_resp);
apdu.resp = apdu_resp;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
/* Get smart card serial number */
sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xCA, 0x9F, 0x7F);
apdu.cla = 0x80;
apdu.le = 0x2D;
apdu.resplen = 0x30;
apdu.resp = apdu_resp;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
card->serialnr.len = 4;
memcpy(card->serialnr.value, apdu.resp+15, 4);
for (ii=0, data->sn = 0; ii < 4; ii++)
data->sn += (long int)(*(apdu.resp + 15 + ii)) << (3-ii)*8;
sc_log(card->ctx, "serial number %li/0x%lX", data->sn, data->sn);
memset(&tmp_path, 0, sizeof(struct sc_path));
tmp_path.type = SC_PATH_TYPE_DF_NAME;
memcpy(tmp_path.value, aidAuthentIC_V5, lenAidAuthentIC_V5);
tmp_path.len = lenAidAuthentIC_V5;
rv = iso_ops->select_file(card, &tmp_path, NULL);
LOG_TEST_RET(card->ctx, rv, "select parent failed");
sc_format_path("3F00", &tmp_path);
rv = iso_ops->select_file(card, &tmp_path, &auth_current_df);
LOG_TEST_RET(card->ctx, rv, "select parent failed");
sc_format_path("3F00", &card->cache.current_path);
sc_file_dup(&auth_current_ef, auth_current_df);
memcpy(data->aid, aidAuthentIC_V5, lenAidAuthentIC_V5);
data->aid_len = lenAidAuthentIC_V5;
card->name = nameAidAuthentIC_V5;
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_match_card(struct sc_card *card)
{
if (_sc_match_atr(card, oberthur_atrs, &card->type) < 0)
return 0;
else
return 1;
}
static int
auth_init(struct sc_card *card)
{
struct auth_private_data *data;
struct sc_path path;
unsigned long flags;
int rv = 0;
data = calloc(1, sizeof(struct auth_private_data));
if (!data)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_OUT_OF_MEMORY);
card->cla = 0x00;
card->drv_data = data;
card->caps |= SC_CARD_CAP_RNG;
card->caps |= SC_CARD_CAP_USE_FCI_AC;
if (auth_select_aid(card)) {
sc_log(card->ctx, "Failed to initialize %s", card->name);
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_CARD, "Failed to initialize");
}
flags = SC_ALGORITHM_RSA_PAD_PKCS1 | SC_ALGORITHM_RSA_PAD_ISO9796;
flags |= SC_ALGORITHM_RSA_HASH_NONE;
flags |= SC_ALGORITHM_ONBOARD_KEY_GEN;
_sc_card_add_rsa_alg(card, 512, flags, 0);
_sc_card_add_rsa_alg(card, 1024, flags, 0);
_sc_card_add_rsa_alg(card, 2048, flags, 0);
sc_format_path("3F00", &path);
rv = auth_select_file(card, &path, NULL);
LOG_FUNC_RETURN(card->ctx, rv);
}
static void
add_acl_entry(struct sc_card *card, struct sc_file *file, unsigned int op,
unsigned char acl_byte)
{
if ((acl_byte & 0xE0) == 0x60) {
sc_log(card->ctx, "called; op 0x%X; SC_AC_PRO; ref 0x%X", op, acl_byte);
sc_file_add_acl_entry(file, op, SC_AC_PRO, acl_byte);
return;
}
switch (acl_byte) {
case 0x00:
sc_file_add_acl_entry(file, op, SC_AC_NONE, SC_AC_KEY_REF_NONE);
break;
/* User and OneTime PINs are locals */
case 0x21:
case 0x22:
sc_file_add_acl_entry(file, op, SC_AC_CHV, (acl_byte & 0x0F) | OBERTHUR_PIN_LOCAL);
break;
/* Local SOPIN is only for the unblocking. */
case 0x24:
case 0x25:
if (op == SC_AC_OP_PIN_RESET)
sc_file_add_acl_entry(file, op, SC_AC_CHV, 0x84);
else
sc_file_add_acl_entry(file, op, SC_AC_CHV, 0x04);
break;
case 0xFF:
sc_file_add_acl_entry(file, op, SC_AC_NEVER, SC_AC_KEY_REF_NONE);
break;
default:
sc_file_add_acl_entry(file, op, SC_AC_UNKNOWN, SC_AC_KEY_REF_NONE);
break;
}
}
static int
tlv_get(const unsigned char *msg, int len, unsigned char tag,
unsigned char *ret, int *ret_len)
{
int cur = 0;
while (cur < len) {
if (*(msg+cur)==tag) {
int ii, ln = *(msg+cur+1);
if (ln > *ret_len)
return SC_ERROR_WRONG_LENGTH;
for (ii=0; ii<ln; ii++)
*(ret + ii) = *(msg+cur+2+ii);
*ret_len = ln;
return SC_SUCCESS;
}
cur += 2 + *(msg+cur+1);
}
return SC_ERROR_INCORRECT_PARAMETERS;
}
static int
auth_process_fci(struct sc_card *card, struct sc_file *file,
const unsigned char *buf, size_t buflen)
{
unsigned char type, attr[SC_OBERTHUR_MAX_ATTR_SIZE];
int attr_len = sizeof(attr);
LOG_FUNC_CALLED(card->ctx);
attr_len = sizeof(attr);
if (tlv_get(buf, buflen, 0x82, attr, &attr_len))
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
type = attr[0];
attr_len = sizeof(attr);
if (tlv_get(buf, buflen, 0x83, attr, &attr_len))
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
file->id = attr[0]*0x100 + attr[1];
attr_len = sizeof(attr);
if (tlv_get(buf, buflen, type==0x01 ? 0x80 : 0x85, attr, &attr_len))
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
if (attr_len<2 && type != 0x04)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
switch (type) {
case 0x01:
file->type = SC_FILE_TYPE_WORKING_EF;
file->ef_structure = SC_FILE_EF_TRANSPARENT;
file->size = attr[0]*0x100 + attr[1];
break;
case 0x04:
file->type = SC_FILE_TYPE_WORKING_EF;
file->ef_structure = SC_FILE_EF_LINEAR_VARIABLE;
file->size = attr[0];
attr_len = sizeof(attr);
if (tlv_get(buf, buflen, 0x82, attr, &attr_len))
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
if (attr_len!=5)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
file->record_length = attr[2]*0x100+attr[3];
file->record_count = attr[4];
break;
case 0x11:
file->type = SC_FILE_TYPE_INTERNAL_EF;
file->ef_structure = SC_CARDCTL_OBERTHUR_KEY_DES;
file->size = attr[0]*0x100 + attr[1];
file->size /= 8;
break;
case 0x12:
file->type = SC_FILE_TYPE_INTERNAL_EF;
file->ef_structure = SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC;
file->size = attr[0]*0x100 + attr[1];
if (file->size==512)
file->size = PUBKEY_512_ASN1_SIZE;
else if (file->size==1024)
file->size = PUBKEY_1024_ASN1_SIZE;
else if (file->size==2048)
file->size = PUBKEY_2048_ASN1_SIZE;
else {
sc_log(card->ctx,
"Not supported public key size: %"SC_FORMAT_LEN_SIZE_T"u",
file->size);
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
}
break;
case 0x14:
file->type = SC_FILE_TYPE_INTERNAL_EF;
file->ef_structure = SC_CARDCTL_OBERTHUR_KEY_RSA_CRT;
file->size = attr[0]*0x100 + attr[1];
break;
case 0x38:
file->type = SC_FILE_TYPE_DF;
file->size = attr[0];
if (SC_SUCCESS != sc_file_set_type_attr(file,attr,attr_len))
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
break;
default:
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
}
attr_len = sizeof(attr);
if (tlv_get(buf, buflen, 0x86, attr, &attr_len))
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
if (attr_len<8)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
if (file->type == SC_FILE_TYPE_DF) {
add_acl_entry(card, file, SC_AC_OP_CREATE, attr[0]);
add_acl_entry(card, file, SC_AC_OP_CRYPTO, attr[1]);
add_acl_entry(card, file, SC_AC_OP_LIST_FILES, attr[2]);
add_acl_entry(card, file, SC_AC_OP_DELETE, attr[3]);
add_acl_entry(card, file, SC_AC_OP_PIN_DEFINE, attr[4]);
add_acl_entry(card, file, SC_AC_OP_PIN_CHANGE, attr[5]);
add_acl_entry(card, file, SC_AC_OP_PIN_RESET, attr[6]);
sc_log(card->ctx, "SC_FILE_TYPE_DF:CRYPTO %X", attr[1]);
}
else if (file->type == SC_FILE_TYPE_INTERNAL_EF) { /* EF */
switch (file->ef_structure) {
case SC_CARDCTL_OBERTHUR_KEY_DES:
add_acl_entry(card, file, SC_AC_OP_UPDATE, attr[0]);
add_acl_entry(card, file, SC_AC_OP_PSO_DECRYPT, attr[1]);
add_acl_entry(card, file, SC_AC_OP_PSO_ENCRYPT, attr[2]);
add_acl_entry(card, file, SC_AC_OP_PSO_COMPUTE_CHECKSUM, attr[3]);
add_acl_entry(card, file, SC_AC_OP_PSO_VERIFY_CHECKSUM, attr[4]);
add_acl_entry(card, file, SC_AC_OP_INTERNAL_AUTHENTICATE, attr[5]);
add_acl_entry(card, file, SC_AC_OP_EXTERNAL_AUTHENTICATE, attr[6]);
break;
case SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC:
add_acl_entry(card, file, SC_AC_OP_UPDATE, attr[0]);
add_acl_entry(card, file, SC_AC_OP_PSO_ENCRYPT, attr[2]);
add_acl_entry(card, file, SC_AC_OP_PSO_VERIFY_SIGNATURE, attr[4]);
add_acl_entry(card, file, SC_AC_OP_EXTERNAL_AUTHENTICATE, attr[6]);
break;
case SC_CARDCTL_OBERTHUR_KEY_RSA_CRT:
add_acl_entry(card, file, SC_AC_OP_UPDATE, attr[0]);
add_acl_entry(card, file, SC_AC_OP_PSO_DECRYPT, attr[1]);
add_acl_entry(card, file, SC_AC_OP_PSO_COMPUTE_SIGNATURE, attr[3]);
add_acl_entry(card, file, SC_AC_OP_INTERNAL_AUTHENTICATE, attr[5]);
break;
}
}
else {
switch (file->ef_structure) {
case SC_FILE_EF_TRANSPARENT:
add_acl_entry(card, file, SC_AC_OP_WRITE, attr[0]);
add_acl_entry(card, file, SC_AC_OP_UPDATE, attr[1]);
add_acl_entry(card, file, SC_AC_OP_READ, attr[2]);
add_acl_entry(card, file, SC_AC_OP_ERASE, attr[3]);
break;
case SC_FILE_EF_LINEAR_VARIABLE:
add_acl_entry(card, file, SC_AC_OP_WRITE, attr[0]);
add_acl_entry(card, file, SC_AC_OP_UPDATE, attr[1]);
add_acl_entry(card, file, SC_AC_OP_READ, attr[2]);
add_acl_entry(card, file, SC_AC_OP_ERASE, attr[3]);
break;
}
}
file->status = SC_FILE_STATUS_ACTIVATED;
file->magic = SC_FILE_MAGIC;
LOG_FUNC_RETURN(card->ctx, SC_SUCCESS);
}
static int
auth_select_file(struct sc_card *card, const struct sc_path *in_path,
struct sc_file **file_out)
{
struct sc_path path;
struct sc_file *tmp_file = NULL;
size_t offs, ii;
int rv;
LOG_FUNC_CALLED(card->ctx);
assert(card != NULL && in_path != NULL);
memcpy(&path, in_path, sizeof(struct sc_path));
sc_log(card->ctx, "in_path; type=%d, path=%s, out %p",
in_path->type, sc_print_path(in_path), file_out);
sc_log(card->ctx, "current path; type=%d, path=%s",
auth_current_df->path.type, sc_print_path(&auth_current_df->path));
if (auth_current_ef)
sc_log(card->ctx, "current file; type=%d, path=%s",
auth_current_ef->path.type, sc_print_path(&auth_current_ef->path));
if (path.type == SC_PATH_TYPE_PARENT || path.type == SC_PATH_TYPE_FILE_ID) {
sc_file_free(auth_current_ef);
auth_current_ef = NULL;
rv = iso_ops->select_file(card, &path, &tmp_file);
LOG_TEST_RET(card->ctx, rv, "select file failed");
if (!tmp_file)
return SC_ERROR_OBJECT_NOT_FOUND;
if (path.type == SC_PATH_TYPE_PARENT) {
memcpy(&tmp_file->path, &auth_current_df->path, sizeof(struct sc_path));
if (tmp_file->path.len > 2)
tmp_file->path.len -= 2;
sc_file_free(auth_current_df);
sc_file_dup(&auth_current_df, tmp_file);
}
else {
if (tmp_file->type == SC_FILE_TYPE_DF) {
sc_concatenate_path(&tmp_file->path, &auth_current_df->path, &path);
sc_file_free(auth_current_df);
sc_file_dup(&auth_current_df, tmp_file);
}
else {
sc_file_free(auth_current_ef);
sc_file_dup(&auth_current_ef, tmp_file);
sc_concatenate_path(&auth_current_ef->path, &auth_current_df->path, &path);
}
}
if (file_out)
sc_file_dup(file_out, tmp_file);
sc_file_free(tmp_file);
}
else if (path.type == SC_PATH_TYPE_DF_NAME) {
rv = iso_ops->select_file(card, &path, NULL);
if (rv) {
sc_file_free(auth_current_ef);
auth_current_ef = NULL;
}
LOG_TEST_RET(card->ctx, rv, "select file failed");
}
else {
for (offs = 0; offs < path.len && offs < auth_current_df->path.len; offs += 2)
if (path.value[offs] != auth_current_df->path.value[offs] ||
path.value[offs + 1] != auth_current_df->path.value[offs + 1])
break;
sc_log(card->ctx, "offs %"SC_FORMAT_LEN_SIZE_T"u", offs);
if (offs && offs < auth_current_df->path.len) {
size_t deep = auth_current_df->path.len - offs;
sc_log(card->ctx, "deep %"SC_FORMAT_LEN_SIZE_T"u",
deep);
for (ii=0; ii<deep; ii+=2) {
struct sc_path tmp_path;
memcpy(&tmp_path, &auth_current_df->path, sizeof(struct sc_path));
tmp_path.type = SC_PATH_TYPE_PARENT;
rv = auth_select_file (card, &tmp_path, file_out);
LOG_TEST_RET(card->ctx, rv, "select file failed");
}
}
if (path.len - offs > 0) {
struct sc_path tmp_path;
memset(&tmp_path, 0, sizeof(struct sc_path));
tmp_path.type = SC_PATH_TYPE_FILE_ID;
tmp_path.len = 2;
for (ii=0; ii < path.len - offs; ii+=2) {
memcpy(tmp_path.value, path.value + offs + ii, 2);
rv = auth_select_file(card, &tmp_path, file_out);
LOG_TEST_RET(card->ctx, rv, "select file failed");
}
}
else if (path.len - offs == 0 && file_out) {
if (sc_compare_path(&path, &auth_current_df->path))
sc_file_dup(file_out, auth_current_df);
else if (auth_current_ef)
sc_file_dup(file_out, auth_current_ef);
else
LOG_TEST_RET(card->ctx, SC_ERROR_INTERNAL, "No current EF");
}
}
LOG_FUNC_RETURN(card->ctx, 0);
}
static int
auth_list_files(struct sc_card *card, unsigned char *buf, size_t buflen)
{
struct sc_apdu apdu;
unsigned char rbuf[SC_MAX_APDU_BUFFER_SIZE];
int rv;
LOG_FUNC_CALLED(card->ctx);
sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0x34, 0, 0);
apdu.cla = 0x80;
apdu.le = 0x40;
apdu.resplen = sizeof(rbuf);
apdu.resp = rbuf;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
if (apdu.resplen == 0x100 && rbuf[0]==0 && rbuf[1]==0)
LOG_FUNC_RETURN(card->ctx, 0);
buflen = buflen < apdu.resplen ? buflen : apdu.resplen;
memcpy(buf, rbuf, buflen);
LOG_FUNC_RETURN(card->ctx, buflen);
}
static int
auth_delete_file(struct sc_card *card, const struct sc_path *path)
{
struct sc_apdu apdu;
unsigned char sbuf[2];
int rv;
char pbuf[SC_MAX_PATH_STRING_SIZE];
LOG_FUNC_CALLED(card->ctx);
rv = sc_path_print(pbuf, sizeof(pbuf), path);
if (rv != SC_SUCCESS)
pbuf[0] = '\0';
sc_log(card->ctx, "path; type=%d, path=%s", path->type, pbuf);
if (path->len < 2) {
sc_log(card->ctx, "Invalid path length");
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
}
if (path->len > 2) {
struct sc_path parent = *path;
parent.len -= 2;
parent.type = SC_PATH_TYPE_PATH;
rv = auth_select_file(card, &parent, NULL);
LOG_TEST_RET(card->ctx, rv, "select parent failed ");
}
sbuf[0] = path->value[path->len - 2];
sbuf[1] = path->value[path->len - 1];
if (memcmp(sbuf,"\x00\x00",2)==0 || (memcmp(sbuf,"\xFF\xFF",2)==0) ||
memcmp(sbuf,"\x3F\xFF",2)==0)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0xE4, 0x02, 0x00);
apdu.lc = 2;
apdu.datalen = 2;
apdu.data = sbuf;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
if (apdu.sw1==0x6A && apdu.sw2==0x82) {
/* Clean up tDF contents.*/
struct sc_path tmp_path;
int ii, len;
unsigned char lbuf[SC_MAX_APDU_BUFFER_SIZE];
memset(&tmp_path, 0, sizeof(struct sc_path));
tmp_path.type = SC_PATH_TYPE_FILE_ID;
memcpy(tmp_path.value, sbuf, 2);
tmp_path.len = 2;
rv = auth_select_file(card, &tmp_path, NULL);
LOG_TEST_RET(card->ctx, rv, "select DF failed");
len = auth_list_files(card, lbuf, sizeof(lbuf));
LOG_TEST_RET(card->ctx, len, "list DF failed");
for (ii=0; ii<len/2; ii++) {
struct sc_path tmp_path_x;
memset(&tmp_path_x, 0, sizeof(struct sc_path));
tmp_path_x.type = SC_PATH_TYPE_FILE_ID;
tmp_path_x.value[0] = *(lbuf + ii*2);
tmp_path_x.value[1] = *(lbuf + ii*2 + 1);
tmp_path_x.len = 2;
rv = auth_delete_file(card, &tmp_path_x);
LOG_TEST_RET(card->ctx, rv, "delete failed");
}
tmp_path.type = SC_PATH_TYPE_PARENT;
rv = auth_select_file(card, &tmp_path, NULL);
LOG_TEST_RET(card->ctx, rv, "select parent failed");
apdu.p1 = 1;
rv = sc_transmit_apdu(card, &apdu);
}
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
acl_to_ac_byte(struct sc_card *card, const struct sc_acl_entry *e)
{
unsigned key_ref;
if (e == NULL)
return SC_ERROR_OBJECT_NOT_FOUND;
key_ref = e->key_ref & ~OBERTHUR_PIN_LOCAL;
switch (e->method) {
case SC_AC_NONE:
LOG_FUNC_RETURN(card->ctx, 0);
case SC_AC_CHV:
if (key_ref > 0 && key_ref < 6)
LOG_FUNC_RETURN(card->ctx, (0x20 | key_ref));
else
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
case SC_AC_PRO:
if (((key_ref & 0xE0) != 0x60) || ((key_ref & 0x18) == 0))
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
else
LOG_FUNC_RETURN(card->ctx, key_ref);
case SC_AC_NEVER:
return 0xff;
}
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
}
static int
encode_file_structure_V5(struct sc_card *card, const struct sc_file *file,
unsigned char *buf, size_t *buflen)
{
size_t ii;
int rv=0, size;
unsigned char *p = buf;
unsigned char ops[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx,
"id %04X; size %"SC_FORMAT_LEN_SIZE_T"u; type 0x%X/0x%X",
file->id, file->size, file->type, file->ef_structure);
if (*buflen < 0x18)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
p[0] = 0x62, p[1] = 0x16;
p[2] = 0x82, p[3] = 0x02;
rv = 0;
if (file->type == SC_FILE_TYPE_DF) {
p[4] = 0x38;
p[5] = 0x00;
}
else if (file->type == SC_FILE_TYPE_WORKING_EF) {
switch (file->ef_structure) {
case SC_FILE_EF_TRANSPARENT:
p[4] = 0x01;
p[5] = 0x01;
break;
case SC_FILE_EF_LINEAR_VARIABLE:
p[4] = 0x04;
p[5] = 0x01;
break;
default:
rv = SC_ERROR_INVALID_ARGUMENTS;
break;
}
}
else if (file->type == SC_FILE_TYPE_INTERNAL_EF) {
switch (file->ef_structure) {
case SC_CARDCTL_OBERTHUR_KEY_DES:
p[4] = 0x11;
p[5] = 0x00;
break;
case SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC:
p[4] = 0x12;
p[5] = 0x00;
break;
case SC_CARDCTL_OBERTHUR_KEY_RSA_CRT:
p[4] = 0x14;
p[5] = 0x00;
break;
default:
rv = -1;
break;
}
}
else
rv = SC_ERROR_INVALID_ARGUMENTS;
if (rv) {
sc_log(card->ctx, "Invalid EF structure 0x%X/0x%X", file->type, file->ef_structure);
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
}
p[6] = 0x83;
p[7] = 0x02;
p[8] = file->id >> 8;
p[9] = file->id & 0xFF;
p[10] = 0x85;
p[11] = 0x02;
size = file->size;
if (file->type == SC_FILE_TYPE_DF) {
size &= 0xFF;
}
else if (file->type == SC_FILE_TYPE_INTERNAL_EF &&
file->ef_structure == SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC) {
sc_log(card->ctx, "ef %s","SC_FILE_EF_RSA_PUBLIC");
if (file->size == PUBKEY_512_ASN1_SIZE || file->size == 512)
size = 512;
else if (file->size == PUBKEY_1024_ASN1_SIZE || file->size == 1024)
size = 1024;
else if (file->size == PUBKEY_2048_ASN1_SIZE || file->size == 2048)
size = 2048;
else {
sc_log(card->ctx,
"incorrect RSA size %"SC_FORMAT_LEN_SIZE_T"X",
file->size);
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
}
}
else if (file->type == SC_FILE_TYPE_INTERNAL_EF &&
file->ef_structure == SC_CARDCTL_OBERTHUR_KEY_DES) {
if (file->size == 8 || file->size == 64)
size = 64;
else if (file->size == 16 || file->size == 128)
size = 128;
else if (file->size == 24 || file->size == 192)
size = 192;
else {
sc_log(card->ctx,
"incorrect DES size %"SC_FORMAT_LEN_SIZE_T"u",
file->size);
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
}
}
p[12] = (size >> 8) & 0xFF;
p[13] = size & 0xFF;
p[14] = 0x86;
p[15] = 0x08;
if (file->type == SC_FILE_TYPE_DF) {
ops[0] = SC_AC_OP_CREATE;
ops[1] = SC_AC_OP_CRYPTO;
ops[2] = SC_AC_OP_LIST_FILES;
ops[3] = SC_AC_OP_DELETE;
ops[4] = SC_AC_OP_PIN_DEFINE;
ops[5] = SC_AC_OP_PIN_CHANGE;
ops[6] = SC_AC_OP_PIN_RESET;
}
else if (file->type == SC_FILE_TYPE_WORKING_EF) {
if (file->ef_structure == SC_FILE_EF_TRANSPARENT) {
sc_log(card->ctx, "SC_FILE_EF_TRANSPARENT");
ops[0] = SC_AC_OP_WRITE;
ops[1] = SC_AC_OP_UPDATE;
ops[2] = SC_AC_OP_READ;
ops[3] = SC_AC_OP_ERASE;
}
else if (file->ef_structure == SC_FILE_EF_LINEAR_VARIABLE) {
sc_log(card->ctx, "SC_FILE_EF_LINEAR_VARIABLE");
ops[0] = SC_AC_OP_WRITE;
ops[1] = SC_AC_OP_UPDATE;
ops[2] = SC_AC_OP_READ;
ops[3] = SC_AC_OP_ERASE;
}
}
else if (file->type == SC_FILE_TYPE_INTERNAL_EF) {
if (file->ef_structure == SC_CARDCTL_OBERTHUR_KEY_DES) {
sc_log(card->ctx, "EF_DES");
ops[0] = SC_AC_OP_UPDATE;
ops[1] = SC_AC_OP_PSO_DECRYPT;
ops[2] = SC_AC_OP_PSO_ENCRYPT;
ops[3] = SC_AC_OP_PSO_COMPUTE_CHECKSUM;
ops[4] = SC_AC_OP_PSO_VERIFY_CHECKSUM;
ops[5] = SC_AC_OP_INTERNAL_AUTHENTICATE;
ops[6] = SC_AC_OP_EXTERNAL_AUTHENTICATE;
}
else if (file->ef_structure == SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC) {
sc_log(card->ctx, "EF_RSA_PUBLIC");
ops[0] = SC_AC_OP_UPDATE;
ops[2] = SC_AC_OP_PSO_ENCRYPT;
ops[4] = SC_AC_OP_PSO_VERIFY_SIGNATURE;
ops[6] = SC_AC_OP_EXTERNAL_AUTHENTICATE;
}
else if (file->ef_structure == SC_CARDCTL_OBERTHUR_KEY_RSA_CRT) {
sc_log(card->ctx, "EF_RSA_PRIVATE");
ops[0] = SC_AC_OP_UPDATE;
ops[1] = SC_AC_OP_PSO_DECRYPT;
ops[3] = SC_AC_OP_PSO_COMPUTE_SIGNATURE;
ops[5] = SC_AC_OP_INTERNAL_AUTHENTICATE;
}
}
for (ii = 0; ii < sizeof(ops); ii++) {
const struct sc_acl_entry *entry;
p[16+ii] = 0xFF;
if (ops[ii]==0xFF)
continue;
entry = sc_file_get_acl_entry(file, ops[ii]);
rv = acl_to_ac_byte(card,entry);
LOG_TEST_RET(card->ctx, rv, "Invalid ACL");
p[16+ii] = rv;
}
*buflen = 0x18;
LOG_FUNC_RETURN(card->ctx, SC_SUCCESS);
}
static int
auth_create_file(struct sc_card *card, struct sc_file *file)
{
struct sc_apdu apdu;
struct sc_path path;
int rv, rec_nr;
unsigned char sbuf[0x18];
size_t sendlen = sizeof(sbuf);
char pbuf[SC_MAX_PATH_STRING_SIZE];
LOG_FUNC_CALLED(card->ctx);
rv = sc_path_print(pbuf, sizeof(pbuf), &file->path);
if (rv != SC_SUCCESS)
pbuf[0] = '\0';
sc_log(card->ctx, " create path=%s", pbuf);
sc_log(card->ctx,
"id %04X; size %"SC_FORMAT_LEN_SIZE_T"u; type 0x%X; ef 0x%X",
file->id, file->size, file->type, file->ef_structure);
if (file->id==0x0000 || file->id==0xFFFF || file->id==0x3FFF)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
rv = sc_path_print(pbuf, sizeof(pbuf), &card->cache.current_path);
if (rv != SC_SUCCESS)
pbuf[0] = '\0';
if (file->path.len) {
memcpy(&path, &file->path, sizeof(path));
if (path.len>2)
path.len -= 2;
if (auth_select_file(card, &path, NULL)) {
sc_log(card->ctx, "Cannot select parent DF.");
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
}
}
rv = encode_file_structure_V5(card, file, sbuf, &sendlen);
LOG_TEST_RET(card->ctx, rv, "File structure encoding failed");
if (file->type != SC_FILE_TYPE_DF && file->ef_structure != SC_FILE_EF_TRANSPARENT)
rec_nr = file->record_count;
else
rec_nr = 0;
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0xE0, 0x00, rec_nr);
apdu.data = sbuf;
apdu.datalen = sendlen;
apdu.lc = sendlen;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
/* select created DF. */
if (file->type == SC_FILE_TYPE_DF) {
struct sc_path tmp_path;
struct sc_file *df_file = NULL;
memset(&tmp_path, 0, sizeof(struct sc_path));
tmp_path.type = SC_PATH_TYPE_FILE_ID;
tmp_path.value[0] = file->id >> 8;
tmp_path.value[1] = file->id & 0xFF;
tmp_path.len = 2;
rv = auth_select_file(card, &tmp_path, &df_file);
sc_log(card->ctx, "rv %i", rv);
}
sc_file_free(auth_current_ef);
sc_file_dup(&auth_current_ef, file);
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_set_security_env(struct sc_card *card,
const struct sc_security_env *env, int se_num)
{
struct auth_senv *auth_senv = &((struct auth_private_data *) card->drv_data)->senv;
struct sc_apdu apdu;
long unsigned pads = env->algorithm_flags & SC_ALGORITHM_RSA_PADS;
long unsigned supported_pads = SC_ALGORITHM_RSA_PAD_PKCS1 | SC_ALGORITHM_RSA_PAD_ISO9796;
int rv;
unsigned char rsa_sbuf[3] = {
0x80, 0x01, 0xFF
};
unsigned char des_sbuf[13] = {
0x80, 0x01, 0x01,
0x87, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx,
"op %i; path %s; key_ref 0x%X; algos 0x%X; flags 0x%lX",
env->operation, sc_print_path(&env->file_ref), env->key_ref[0],
env->algorithm_flags, env->flags);
memset(auth_senv, 0, sizeof(struct auth_senv));
if (!(env->flags & SC_SEC_ENV_FILE_REF_PRESENT))
LOG_TEST_RET(card->ctx, SC_ERROR_INTERNAL, "Key file is not selected.");
switch (env->algorithm) {
case SC_ALGORITHM_DES:
case SC_ALGORITHM_3DES:
sc_log(card->ctx,
"algo SC_ALGORITHM_xDES: ref %X, flags %lX",
env->algorithm_ref, env->flags);
if (env->operation == SC_SEC_OPERATION_DECIPHER) {
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x22, 0x41, 0xB8);
apdu.lc = 3;
apdu.data = des_sbuf;
apdu.datalen = 3;
}
else {
sc_log(card->ctx, "Invalid crypto operation: %X", env->operation);
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "Invalid crypto operation");
}
break;
case SC_ALGORITHM_RSA:
sc_log(card->ctx, "algo SC_ALGORITHM_RSA");
if (env->algorithm_flags & SC_ALGORITHM_RSA_HASHES) {
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "No support for hashes.");
}
if (pads & (~supported_pads)) {
sc_log(card->ctx, "No support for PAD %lX", pads);
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "No padding support.");
}
if (env->operation == SC_SEC_OPERATION_SIGN) {
rsa_sbuf[2] = 0x11;
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x22, 0x41, 0xB6);
apdu.lc = sizeof(rsa_sbuf);
apdu.datalen = sizeof(rsa_sbuf);
apdu.data = rsa_sbuf;
}
else if (env->operation == SC_SEC_OPERATION_DECIPHER) {
rsa_sbuf[2] = 0x11;
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x22, 0x41, 0xB8);
apdu.lc = sizeof(rsa_sbuf);
apdu.datalen = sizeof(rsa_sbuf);
apdu.data = rsa_sbuf;
}
else {
sc_log(card->ctx, "Invalid crypto operation: %X", env->operation);
LOG_FUNC_RETURN(card->ctx, SC_ERROR_NOT_SUPPORTED);
}
break;
default:
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "Invalid crypto algorithm supplied");
}
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
auth_senv->algorithm = env->algorithm;
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_restore_security_env(struct sc_card *card, int se_num)
{
return SC_SUCCESS;
}
static int
auth_compute_signature(struct sc_card *card, const unsigned char *in, size_t ilen,
unsigned char * out, size_t olen)
{
struct sc_apdu apdu;
unsigned char resp[SC_MAX_APDU_BUFFER_SIZE];
int rv;
if (!card || !in || !out) {
return SC_ERROR_INVALID_ARGUMENTS;
}
else if (ilen > 96) {
sc_log(card->ctx,
"Illegal input length %"SC_FORMAT_LEN_SIZE_T"u",
ilen);
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Illegal input length");
}
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx,
"inlen %"SC_FORMAT_LEN_SIZE_T"u, outlen %"SC_FORMAT_LEN_SIZE_T"u",
ilen, olen);
sc_format_apdu(card, &apdu, SC_APDU_CASE_4_SHORT, 0x2A, 0x9E, 0x9A);
apdu.datalen = ilen;
apdu.data = in;
apdu.lc = ilen;
apdu.le = olen > 256 ? 256 : olen;
apdu.resp = resp;
apdu.resplen = olen;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Compute signature failed");
if (apdu.resplen > olen) {
sc_log(card->ctx,
"Compute signature failed: invalid response length %"SC_FORMAT_LEN_SIZE_T"u",
apdu.resplen);
LOG_FUNC_RETURN(card->ctx, SC_ERROR_CARD_CMD_FAILED);
}
memcpy(out, apdu.resp, apdu.resplen);
LOG_FUNC_RETURN(card->ctx, apdu.resplen);
}
static int
auth_decipher(struct sc_card *card, const unsigned char *in, size_t inlen,
unsigned char *out, size_t outlen)
{
struct sc_apdu apdu;
unsigned char resp[SC_MAX_APDU_BUFFER_SIZE];
int rv, _inlen = inlen;
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx,
"crgram_len %"SC_FORMAT_LEN_SIZE_T"u; outlen %"SC_FORMAT_LEN_SIZE_T"u",
inlen, outlen);
if (!out || !outlen || inlen > SC_MAX_APDU_BUFFER_SIZE)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
sc_format_apdu(card, &apdu, SC_APDU_CASE_4_SHORT, 0x2A, 0x80, 0x86);
sc_log(card->ctx, "algorithm SC_ALGORITHM_RSA");
if (inlen % 64) {
rv = SC_ERROR_INVALID_ARGUMENTS;
goto done;
}
_inlen = inlen;
if (_inlen == 256) {
apdu.cla |= 0x10;
apdu.data = in;
apdu.datalen = 8;
apdu.resp = resp;
apdu.resplen = SC_MAX_APDU_BUFFER_SIZE;
apdu.lc = 8;
apdu.le = 256;
rv = sc_transmit_apdu(card, &apdu);
sc_log(card->ctx, "rv %i", rv);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
_inlen -= 8;
in += 8;
apdu.cla &= ~0x10;
}
apdu.data = in;
apdu.datalen = _inlen;
apdu.resp = resp;
apdu.resplen = SC_MAX_APDU_BUFFER_SIZE;
apdu.lc = _inlen;
apdu.le = _inlen;
rv = sc_transmit_apdu(card, &apdu);
sc_log(card->ctx, "rv %i", rv);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
sc_log(card->ctx, "rv %i", rv);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
if (outlen > apdu.resplen)
outlen = apdu.resplen;
memcpy(out, apdu.resp, outlen);
rv = outlen;
done:
LOG_FUNC_RETURN(card->ctx, rv);
}
/* Return the default AAK for this type of card */
static int
auth_get_default_key(struct sc_card *card, struct sc_cardctl_default_key *data)
{
LOG_FUNC_RETURN(card->ctx, SC_ERROR_NO_DEFAULT_KEY);
}
static int
auth_encode_exponent(unsigned long exponent, unsigned char *buff, size_t buff_len)
{
int shift;
size_t ii;
for (shift=0; exponent >> (shift+8); shift += 8)
;
for (ii = 0; ii<buff_len && shift>=0 ; ii++, shift-=8)
*(buff + ii) = (exponent >> shift) & 0xFF;
if (ii==buff_len)
return 0;
else
return ii;
}
/* Generate key on-card */
static int
auth_generate_key(struct sc_card *card, int use_sm,
struct sc_cardctl_oberthur_genkey_info *data)
{
struct sc_apdu apdu;
unsigned char sbuf[SC_MAX_APDU_BUFFER_SIZE];
struct sc_path tmp_path;
int rv = 0;
LOG_FUNC_CALLED(card->ctx);
if (data->key_bits < 512 || data->key_bits > 2048 ||
(data->key_bits%0x20)!=0) {
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Illegal key length");
}
sbuf[0] = (data->id_pub >> 8) & 0xFF;
sbuf[1] = data->id_pub & 0xFF;
sbuf[2] = (data->id_prv >> 8) & 0xFF;
sbuf[3] = data->id_prv & 0xFF;
if (data->exponent != 0x10001) {
rv = auth_encode_exponent(data->exponent, &sbuf[5],SC_MAX_APDU_BUFFER_SIZE-6);
LOG_TEST_RET(card->ctx, rv, "Cannot encode exponent");
sbuf[4] = rv;
rv++;
}
sc_format_apdu(card, &apdu, SC_APDU_CASE_4_SHORT, 0x46, 0x00, 0x00);
apdu.resp = calloc(1, data->key_bits/8+8);
if (!apdu.resp)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_OUT_OF_MEMORY);
apdu.resplen = data->key_bits/8+8;
apdu.lc = rv + 4;
apdu.le = data->key_bits/8;
apdu.data = sbuf;
apdu.datalen = rv + 4;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
memset(&tmp_path, 0, sizeof(struct sc_path));
tmp_path.type = SC_PATH_TYPE_FILE_ID;
tmp_path.len = 2;
memcpy(tmp_path.value, sbuf, 2);
rv = auth_select_file(card, &tmp_path, NULL);
LOG_TEST_RET(card->ctx, rv, "cannot select public key");
rv = auth_read_component(card, SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC,
1, apdu.resp, data->key_bits/8);
LOG_TEST_RET(card->ctx, rv, "auth_read_component() returned error");
apdu.resplen = rv;
if (data->pubkey) {
if (data->pubkey_len < apdu.resplen)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
memcpy(data->pubkey,apdu.resp,apdu.resplen);
}
data->pubkey_len = apdu.resplen;
free(apdu.resp);
sc_log(card->ctx, "resulted public key len %"SC_FORMAT_LEN_SIZE_T"u",
apdu.resplen);
LOG_FUNC_RETURN(card->ctx, SC_SUCCESS);
}
static int
auth_update_component(struct sc_card *card, struct auth_update_component_info *args)
{
struct sc_apdu apdu;
unsigned char sbuf[SC_MAX_APDU_BUFFER_SIZE + 0x10];
unsigned char ins, p1, p2;
int rv, len;
LOG_FUNC_CALLED(card->ctx);
if (args->len > sizeof(sbuf) || args->len > 0x100)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
sc_log(card->ctx, "nn %i; len %i", args->component, args->len);
ins = 0xD8;
p1 = args->component;
p2 = 0x04;
len = 0;
sbuf[len++] = args->type;
sbuf[len++] = args->len;
memcpy(sbuf + len, args->data, args->len);
len += args->len;
if (args->type == SC_CARDCTL_OBERTHUR_KEY_DES) {
int outl;
const unsigned char in[8] = {0,0,0,0,0,0,0,0};
unsigned char out[8];
EVP_CIPHER_CTX * ctx = NULL;
if (args->len!=8 && args->len!=24)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
ctx = EVP_CIPHER_CTX_new();
if (ctx == NULL)
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL,SC_ERROR_OUT_OF_MEMORY);
p2 = 0;
if (args->len == 24)
EVP_EncryptInit_ex(ctx, EVP_des_ede(), NULL, args->data, NULL);
else
EVP_EncryptInit_ex(ctx, EVP_des_ecb(), NULL, args->data, NULL);
rv = EVP_EncryptUpdate(ctx, out, &outl, in, 8);
EVP_CIPHER_CTX_free(ctx);
if (rv == 0) {
sc_log(card->ctx, "OpenSSL encryption error.");
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INTERNAL);
}
sbuf[len++] = 0x03;
memcpy(sbuf + len, out, 3);
len += 3;
}
else {
sbuf[len++] = 0;
}
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, ins, p1, p2);
apdu.cla |= 0x80;
apdu.data = sbuf;
apdu.datalen = len;
apdu.lc = len;
if (args->len == 0x100) {
sbuf[0] = args->type;
sbuf[1] = 0x20;
memcpy(sbuf + 2, args->data, 0x20);
sbuf[0x22] = 0;
apdu.cla |= 0x10;
apdu.data = sbuf;
apdu.datalen = 0x23;
apdu.lc = 0x23;
rv = sc_transmit_apdu(card, &apdu);
apdu.cla &= ~0x10;
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
sbuf[0] = args->type;
sbuf[1] = 0xE0;
memcpy(sbuf + 2, args->data + 0x20, 0xE0);
sbuf[0xE2] = 0;
apdu.data = sbuf;
apdu.datalen = 0xE3;
apdu.lc = 0xE3;
}
rv = sc_transmit_apdu(card, &apdu);
sc_mem_clear(sbuf, sizeof(sbuf));
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_update_key(struct sc_card *card, struct sc_cardctl_oberthur_updatekey_info *info)
{
int rv, ii;
LOG_FUNC_CALLED(card->ctx);
if (info->data_len != sizeof(void *) || !info->data)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
if (info->type == SC_CARDCTL_OBERTHUR_KEY_RSA_CRT) {
struct sc_pkcs15_prkey_rsa *rsa = (struct sc_pkcs15_prkey_rsa *)info->data;
struct sc_pkcs15_bignum bn[5];
sc_log(card->ctx, "Import RSA CRT");
bn[0] = rsa->p;
bn[1] = rsa->q;
bn[2] = rsa->iqmp;
bn[3] = rsa->dmp1;
bn[4] = rsa->dmq1;
for (ii=0;ii<5;ii++) {
struct auth_update_component_info args;
memset(&args, 0, sizeof(args));
args.type = SC_CARDCTL_OBERTHUR_KEY_RSA_CRT;
args.component = ii+1;
args.data = bn[ii].data;
args.len = bn[ii].len;
rv = auth_update_component(card, &args);
LOG_TEST_RET(card->ctx, rv, "Update RSA component failed");
}
}
else if (info->type == SC_CARDCTL_OBERTHUR_KEY_DES) {
rv = SC_ERROR_NOT_SUPPORTED;
}
else {
rv = SC_ERROR_INVALID_DATA;
}
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_card_ctl(struct sc_card *card, unsigned long cmd, void *ptr)
{
switch (cmd) {
case SC_CARDCTL_GET_DEFAULT_KEY:
return auth_get_default_key(card,
(struct sc_cardctl_default_key *) ptr);
case SC_CARDCTL_OBERTHUR_GENERATE_KEY:
return auth_generate_key(card, 0,
(struct sc_cardctl_oberthur_genkey_info *) ptr);
case SC_CARDCTL_OBERTHUR_UPDATE_KEY:
return auth_update_key(card,
(struct sc_cardctl_oberthur_updatekey_info *) ptr);
case SC_CARDCTL_OBERTHUR_CREATE_PIN:
return auth_create_reference_data(card,
(struct sc_cardctl_oberthur_createpin_info *) ptr);
case SC_CARDCTL_GET_SERIALNR:
return auth_get_serialnr(card, (struct sc_serial_number *)ptr);
case SC_CARDCTL_LIFECYCLE_GET:
case SC_CARDCTL_LIFECYCLE_SET:
return SC_ERROR_NOT_SUPPORTED;
default:
LOG_FUNC_RETURN(card->ctx, SC_ERROR_NOT_SUPPORTED);
}
}
static int
auth_read_component(struct sc_card *card, enum SC_CARDCTL_OBERTHUR_KEY_TYPE type,
int num, unsigned char *out, size_t outlen)
{
struct sc_apdu apdu;
int rv;
unsigned char resp[256];
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx, "num %i, outlen %"SC_FORMAT_LEN_SIZE_T"u, type %i",
num, outlen, type);
if (!outlen || type!=SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INCORRECT_PARAMETERS);
sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xB4, num, 0x00);
apdu.cla |= 0x80;
apdu.le = outlen;
apdu.resp = resp;
apdu.resplen = sizeof(resp);
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
if (outlen < apdu.resplen)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_WRONG_LENGTH);
memcpy(out, apdu.resp, apdu.resplen);
LOG_FUNC_RETURN(card->ctx, apdu.resplen);
}
static int
auth_get_pin_reference (struct sc_card *card, int type, int reference, int cmd, int *out_ref)
{
if (!out_ref)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
switch (type) {
case SC_AC_CHV:
if (reference != 1 && reference != 2 && reference != 4)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_PIN_REFERENCE);
*out_ref = reference;
if (reference == 1 || reference == 4)
if (cmd == SC_PIN_CMD_VERIFY)
*out_ref |= 0x80;
break;
default:
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
}
LOG_FUNC_RETURN(card->ctx, SC_SUCCESS);
}
static void
auth_init_pin_info(struct sc_card *card, struct sc_pin_cmd_pin *pin,
unsigned int type)
{
pin->offset = 0;
pin->pad_char = 0xFF;
pin->encoding = SC_PIN_ENCODING_ASCII;
if (type == OBERTHUR_AUTH_TYPE_PIN) {
pin->max_length = OBERTHUR_AUTH_MAX_LENGTH_PIN;
pin->pad_length = OBERTHUR_AUTH_MAX_LENGTH_PIN;
}
else {
pin->max_length = OBERTHUR_AUTH_MAX_LENGTH_PUK;
pin->pad_length = OBERTHUR_AUTH_MAX_LENGTH_PUK;
}
}
static int
auth_pin_verify_pinpad(struct sc_card *card, int pin_reference, int *tries_left)
{
struct sc_card_driver *iso_drv = sc_get_iso7816_driver();
struct sc_pin_cmd_data pin_cmd;
struct sc_apdu apdu;
unsigned char ffs1[0x100];
int rv;
LOG_FUNC_CALLED(card->ctx);
memset(ffs1, 0xFF, sizeof(ffs1));
memset(&pin_cmd, 0, sizeof(pin_cmd));
rv = auth_pin_is_verified(card, pin_reference, tries_left);
sc_log(card->ctx, "auth_pin_is_verified returned rv %i", rv);
/* Return SUCCESS without verifying if
* PIN has been already verified and PIN pad has to be used. */
if (!rv)
LOG_FUNC_RETURN(card->ctx, rv);
pin_cmd.flags |= SC_PIN_CMD_NEED_PADDING;
/* For Oberthur card, PIN command data length has to be 0x40.
* In PCSC10 v2.06 the upper limit of pin.max_length is 8.
*
* The standard sc_build_pin() throws an error when 'pin.len > pin.max_length' .
* So, let's build our own APDU.
*/
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x20, 0x00, pin_reference);
apdu.lc = OBERTHUR_AUTH_MAX_LENGTH_PIN;
apdu.datalen = OBERTHUR_AUTH_MAX_LENGTH_PIN;
apdu.data = ffs1;
pin_cmd.apdu = &apdu;
pin_cmd.pin_type = SC_AC_CHV;
pin_cmd.cmd = SC_PIN_CMD_VERIFY;
pin_cmd.flags |= SC_PIN_CMD_USE_PINPAD;
pin_cmd.pin_reference = pin_reference;
if (pin_cmd.pin1.min_length < 4)
pin_cmd.pin1.min_length = 4;
pin_cmd.pin1.max_length = 8;
pin_cmd.pin1.encoding = SC_PIN_ENCODING_ASCII;
pin_cmd.pin1.offset = 5;
pin_cmd.pin1.data = ffs1;
pin_cmd.pin1.len = OBERTHUR_AUTH_MAX_LENGTH_PIN;
pin_cmd.pin1.pad_length = OBERTHUR_AUTH_MAX_LENGTH_PIN;
rv = iso_drv->ops->pin_cmd(card, &pin_cmd, tries_left);
LOG_TEST_RET(card->ctx, rv, "PIN CMD 'VERIFY' with pinpad failed");
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_pin_verify(struct sc_card *card, unsigned int type,
struct sc_pin_cmd_data *data, int *tries_left)
{
struct sc_card_driver *iso_drv = sc_get_iso7816_driver();
int rv;
LOG_FUNC_CALLED(card->ctx);
if (type != SC_AC_CHV)
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "PIN type other then SC_AC_CHV is not supported");
data->flags |= SC_PIN_CMD_NEED_PADDING;
auth_init_pin_info(card, &data->pin1, OBERTHUR_AUTH_TYPE_PIN);
/* User PIN is always local. */
if (data->pin_reference == OBERTHUR_PIN_REFERENCE_USER
|| data->pin_reference == OBERTHUR_PIN_REFERENCE_ONETIME)
data->pin_reference |= OBERTHUR_PIN_LOCAL;
rv = auth_pin_is_verified(card, data->pin_reference, tries_left);
sc_log(card->ctx, "auth_pin_is_verified returned rv %i", rv);
/* Return if only PIN status has been asked. */
if (data->pin1.data && !data->pin1.len)
LOG_FUNC_RETURN(card->ctx, rv);
/* Return SUCCESS without verifying if
* PIN has been already verified and PIN pad has to be used. */
if (!rv && !data->pin1.data && !data->pin1.len)
LOG_FUNC_RETURN(card->ctx, rv);
if (!data->pin1.data && !data->pin1.len)
rv = auth_pin_verify_pinpad(card, data->pin_reference, tries_left);
else
rv = iso_drv->ops->pin_cmd(card, data, tries_left);
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_pin_is_verified(struct sc_card *card, int pin_reference, int *tries_left)
{
struct sc_apdu apdu;
int rv;
sc_format_apdu(card, &apdu, SC_APDU_CASE_1, 0x20, 0, pin_reference);
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
if (tries_left && apdu.sw1 == 0x63 && (apdu.sw2 & 0xF0) == 0xC0)
*tries_left = apdu.sw2 & 0x0F;
/* Replace 'no tries left' with 'auth method blocked' */
if (apdu.sw1 == 0x63 && apdu.sw2 == 0xC0) {
apdu.sw1 = 0x69;
apdu.sw2 = 0x83;
}
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
return rv;
}
static int
auth_pin_change_pinpad(struct sc_card *card, struct sc_pin_cmd_data *data,
int *tries_left)
{
struct sc_card_driver *iso_drv = sc_get_iso7816_driver();
struct sc_pin_cmd_data pin_cmd;
struct sc_apdu apdu;
unsigned char ffs1[0x100];
unsigned char ffs2[0x100];
int rv, pin_reference;
LOG_FUNC_CALLED(card->ctx);
pin_reference = data->pin_reference & ~OBERTHUR_PIN_LOCAL;
memset(ffs1, 0xFF, sizeof(ffs1));
memset(ffs2, 0xFF, sizeof(ffs2));
memset(&pin_cmd, 0, sizeof(pin_cmd));
if (data->pin1.len > OBERTHUR_AUTH_MAX_LENGTH_PIN)
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "'PIN CHANGE' failed");
if (data->pin1.data && data->pin1.len)
memcpy(ffs1, data->pin1.data, data->pin1.len);
pin_cmd.flags |= SC_PIN_CMD_NEED_PADDING;
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x24, 0x00, pin_reference);
apdu.lc = OBERTHUR_AUTH_MAX_LENGTH_PIN * 2;
apdu.datalen = OBERTHUR_AUTH_MAX_LENGTH_PIN * 2;
apdu.data = ffs1;
pin_cmd.apdu = &apdu;
pin_cmd.pin_type = SC_AC_CHV;
pin_cmd.cmd = SC_PIN_CMD_CHANGE;
pin_cmd.flags |= SC_PIN_CMD_USE_PINPAD;
pin_cmd.pin_reference = pin_reference;
if (pin_cmd.pin1.min_length < 4)
pin_cmd.pin1.min_length = 4;
pin_cmd.pin1.max_length = 8;
pin_cmd.pin1.encoding = SC_PIN_ENCODING_ASCII;
pin_cmd.pin1.offset = 5 + OBERTHUR_AUTH_MAX_LENGTH_PIN;
pin_cmd.pin1.data = ffs1;
pin_cmd.pin1.len = OBERTHUR_AUTH_MAX_LENGTH_PIN;
pin_cmd.pin1.pad_length = 0;
memcpy(&pin_cmd.pin2, &pin_cmd.pin1, sizeof(pin_cmd.pin2));
pin_cmd.pin1.offset = 5;
pin_cmd.pin2.data = ffs2;
rv = iso_drv->ops->pin_cmd(card, &pin_cmd, tries_left);
LOG_TEST_RET(card->ctx, rv, "PIN CMD 'VERIFY' with pinpad failed");
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_pin_change(struct sc_card *card, unsigned int type,
struct sc_pin_cmd_data *data, int *tries_left)
{
struct sc_card_driver *iso_drv = sc_get_iso7816_driver();
int rv = SC_ERROR_INTERNAL;
LOG_FUNC_CALLED(card->ctx);
if (data->pin1.len && data->pin2.len) {
/* Direct unblock style */
data->flags |= SC_PIN_CMD_NEED_PADDING;
data->flags &= ~SC_PIN_CMD_USE_PINPAD;
data->apdu = NULL;
data->pin_reference &= ~OBERTHUR_PIN_LOCAL;
auth_init_pin_info(card, &data->pin1, OBERTHUR_AUTH_TYPE_PIN);
auth_init_pin_info(card, &data->pin2, OBERTHUR_AUTH_TYPE_PIN);
rv = iso_drv->ops->pin_cmd(card, data, tries_left);
LOG_TEST_RET(card->ctx, rv, "CMD 'PIN CHANGE' failed");
}
else if (!data->pin1.len && !data->pin2.len) {
/* Oberthur unblock style with PIN pad. */
rv = auth_pin_change_pinpad(card, data, tries_left);
LOG_TEST_RET(card->ctx, rv, "'PIN CHANGE' failed: SOPIN verify with pinpad failed");
}
else {
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "'PIN CHANGE' failed");
}
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_pin_reset_oberthur_style(struct sc_card *card, unsigned int type,
struct sc_pin_cmd_data *data, int *tries_left)
{
struct sc_card_driver *iso_drv = sc_get_iso7816_driver();
struct sc_pin_cmd_data pin_cmd;
struct sc_path tmp_path;
struct sc_file *tmp_file = NULL;
struct sc_apdu apdu;
unsigned char puk[OBERTHUR_AUTH_MAX_LENGTH_PUK];
unsigned char ffs1[0x100];
int rv, rvv, local_pin_reference;
LOG_FUNC_CALLED(card->ctx);
local_pin_reference = data->pin_reference & ~OBERTHUR_PIN_LOCAL;
if (data->pin_reference != OBERTHUR_PIN_REFERENCE_USER)
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Oberthur style 'PIN RESET' failed: invalid PIN reference");
memset(&pin_cmd, 0, sizeof(pin_cmd));
memset(&tmp_path, 0, sizeof(struct sc_path));
pin_cmd.pin_type = SC_AC_CHV;
pin_cmd.cmd = SC_PIN_CMD_VERIFY;
pin_cmd.pin_reference = OBERTHUR_PIN_REFERENCE_PUK;
memcpy(&pin_cmd.pin1, &data->pin1, sizeof(pin_cmd.pin1));
rv = auth_pin_verify(card, SC_AC_CHV, &pin_cmd, tries_left);
LOG_TEST_RET(card->ctx, rv, "Oberthur style 'PIN RESET' failed: SOPIN verify error");
sc_format_path("2000", &tmp_path);
tmp_path.type = SC_PATH_TYPE_FILE_ID;
rv = iso_ops->select_file(card, &tmp_path, &tmp_file);
LOG_TEST_RET(card->ctx, rv, "select PUK file");
if (!tmp_file || tmp_file->size < OBERTHUR_AUTH_MAX_LENGTH_PUK)
LOG_TEST_RET(card->ctx, SC_ERROR_FILE_TOO_SMALL, "Oberthur style 'PIN RESET' failed");
rv = iso_ops->read_binary(card, 0, puk, OBERTHUR_AUTH_MAX_LENGTH_PUK, 0);
LOG_TEST_RET(card->ctx, rv, "read PUK file error");
if (rv != OBERTHUR_AUTH_MAX_LENGTH_PUK)
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_DATA, "Oberthur style 'PIN RESET' failed");
memset(ffs1, 0xFF, sizeof(ffs1));
memcpy(ffs1, puk, rv);
memset(&pin_cmd, 0, sizeof(pin_cmd));
pin_cmd.pin_type = SC_AC_CHV;
pin_cmd.cmd = SC_PIN_CMD_UNBLOCK;
pin_cmd.pin_reference = local_pin_reference;
auth_init_pin_info(card, &pin_cmd.pin1, OBERTHUR_AUTH_TYPE_PUK);
pin_cmd.pin1.data = ffs1;
pin_cmd.pin1.len = OBERTHUR_AUTH_MAX_LENGTH_PUK;
if (data->pin2.data) {
memcpy(&pin_cmd.pin2, &data->pin2, sizeof(pin_cmd.pin2));
rv = auth_pin_reset(card, SC_AC_CHV, &pin_cmd, tries_left);
LOG_FUNC_RETURN(card->ctx, rv);
}
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x2C, 0x00, local_pin_reference);
apdu.lc = OBERTHUR_AUTH_MAX_LENGTH_PIN + OBERTHUR_AUTH_MAX_LENGTH_PUK;
apdu.datalen = OBERTHUR_AUTH_MAX_LENGTH_PIN + OBERTHUR_AUTH_MAX_LENGTH_PUK;
apdu.data = ffs1;
pin_cmd.apdu = &apdu;
pin_cmd.flags |= SC_PIN_CMD_USE_PINPAD | SC_PIN_CMD_IMPLICIT_CHANGE;
pin_cmd.pin1.min_length = 4;
pin_cmd.pin1.max_length = 8;
pin_cmd.pin1.encoding = SC_PIN_ENCODING_ASCII;
pin_cmd.pin1.offset = 5;
pin_cmd.pin2.data = &ffs1[OBERTHUR_AUTH_MAX_LENGTH_PUK];
pin_cmd.pin2.len = OBERTHUR_AUTH_MAX_LENGTH_PIN;
pin_cmd.pin2.offset = 5 + OBERTHUR_AUTH_MAX_LENGTH_PUK;
pin_cmd.pin2.min_length = 4;
pin_cmd.pin2.max_length = 8;
pin_cmd.pin2.encoding = SC_PIN_ENCODING_ASCII;
rvv = iso_drv->ops->pin_cmd(card, &pin_cmd, tries_left);
if (rvv)
sc_log(card->ctx,
"%s: PIN CMD 'VERIFY' with pinpad failed",
sc_strerror(rvv));
if (auth_current_ef)
rv = iso_ops->select_file(card, &auth_current_ef->path, &auth_current_ef);
if (rv > 0)
rv = 0;
LOG_FUNC_RETURN(card->ctx, rv ? rv: rvv);
}
static int
auth_pin_reset(struct sc_card *card, unsigned int type,
struct sc_pin_cmd_data *data, int *tries_left)
{
int rv;
LOG_FUNC_CALLED(card->ctx);
/* Oberthur unblock style: PUK value is a SOPIN */
rv = auth_pin_reset_oberthur_style(card, SC_AC_CHV, data, tries_left);
LOG_TEST_RET(card->ctx, rv, "Oberthur style 'PIN RESET' failed");
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_pin_cmd(struct sc_card *card, struct sc_pin_cmd_data *data, int *tries_left)
{
int rv = SC_ERROR_INTERNAL;
LOG_FUNC_CALLED(card->ctx);
if (data->pin_type != SC_AC_CHV)
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "auth_pin_cmd() unsupported PIN type");
sc_log(card->ctx, "PIN CMD:%i; reference:%i; pin1:%p/%i, pin2:%p/%i", data->cmd,
data->pin_reference, data->pin1.data, data->pin1.len,
data->pin2.data, data->pin2.len);
switch (data->cmd) {
case SC_PIN_CMD_VERIFY:
rv = auth_pin_verify(card, SC_AC_CHV, data, tries_left);
LOG_TEST_RET(card->ctx, rv, "CMD 'PIN VERIFY' failed");
break;
case SC_PIN_CMD_CHANGE:
rv = auth_pin_change(card, SC_AC_CHV, data, tries_left);
LOG_TEST_RET(card->ctx, rv, "CMD 'PIN VERIFY' failed");
break;
case SC_PIN_CMD_UNBLOCK:
rv = auth_pin_reset(card, SC_AC_CHV, data, tries_left);
LOG_TEST_RET(card->ctx, rv, "CMD 'PIN VERIFY' failed");
break;
default:
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "Unsupported PIN operation");
}
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_create_reference_data (struct sc_card *card,
struct sc_cardctl_oberthur_createpin_info *args)
{
struct sc_apdu apdu;
struct sc_pin_cmd_pin pin_info, puk_info;
int rv, len;
unsigned char sbuf[SC_MAX_APDU_BUFFER_SIZE];
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx, "PIN reference %i", args->ref);
if (args->type != SC_AC_CHV)
LOG_TEST_RET(card->ctx, SC_ERROR_NOT_SUPPORTED, "Unsupported PIN type");
if (args->pin_tries < 1 || !args->pin || !args->pin_len)
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Invalid PIN options");
if (args->ref != OBERTHUR_PIN_REFERENCE_USER && args->ref != OBERTHUR_PIN_REFERENCE_PUK)
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_PIN_REFERENCE, "Invalid PIN reference");
auth_init_pin_info(card, &puk_info, OBERTHUR_AUTH_TYPE_PUK);
auth_init_pin_info(card, &pin_info, OBERTHUR_AUTH_TYPE_PIN);
if (args->puk && args->puk_len && (args->puk_len%puk_info.pad_length))
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Invalid PUK options");
len = 0;
sc_log(card->ctx, "len %i", len);
sbuf[len++] = args->pin_tries;
sbuf[len++] = pin_info.pad_length;
sc_log(card->ctx, "len %i", len);
memset(sbuf + len, pin_info.pad_char, pin_info.pad_length);
memcpy(sbuf + len, args->pin, args->pin_len);
len += pin_info.pad_length;
sc_log(card->ctx, "len %i", len);
if (args->puk && args->puk_len) {
sbuf[len++] = args->puk_tries;
sbuf[len++] = args->puk_len / puk_info.pad_length;
sc_log(card->ctx, "len %i", len);
memcpy(sbuf + len, args->puk, args->puk_len);
len += args->puk_len;
}
sc_log(card->ctx, "len %i", len);
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x24, 1, args->ref & ~OBERTHUR_PIN_LOCAL);
apdu.data = sbuf;
apdu.datalen = len;
apdu.lc = len;
rv = sc_transmit_apdu(card, &apdu);
sc_mem_clear(sbuf, sizeof(sbuf));
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_logout(struct sc_card *card)
{
struct sc_apdu apdu;
int ii, rv = 0, pin_ref;
int reset_flag = 0x20;
for (ii=0; ii < 4; ii++) {
rv = auth_get_pin_reference (card, SC_AC_CHV, ii+1, SC_PIN_CMD_UNBLOCK, &pin_ref);
LOG_TEST_RET(card->ctx, rv, "Cannot get PIN reference");
sc_format_apdu(card, &apdu, SC_APDU_CASE_1, 0x2E, 0x00, 0x00);
apdu.cla = 0x80;
apdu.p2 = pin_ref | reset_flag;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
}
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
write_publickey (struct sc_card *card, unsigned int offset,
const unsigned char *buf, size_t count)
{
struct auth_update_component_info args;
struct sc_pkcs15_pubkey_rsa key;
int ii, rv;
size_t len = 0, der_size = 0;
LOG_FUNC_CALLED(card->ctx);
sc_log_hex(card->ctx, "write_publickey", buf, count);
if (1+offset > sizeof(rsa_der))
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Invalid offset value");
len = offset+count > sizeof(rsa_der) ? sizeof(rsa_der) - offset : count;
memcpy(rsa_der + offset, buf, len);
rsa_der_len = offset + len;
if (rsa_der[0]==0x30) {
if (rsa_der[1] & 0x80)
for (ii=0; ii < (rsa_der[1]&0x0F); ii++)
der_size = der_size*0x100 + rsa_der[2+ii];
else
der_size = rsa_der[1];
}
sc_log(card->ctx, "der_size %"SC_FORMAT_LEN_SIZE_T"u", der_size);
if (offset + len < der_size + 2)
LOG_FUNC_RETURN(card->ctx, len);
rv = sc_pkcs15_decode_pubkey_rsa(card->ctx, &key, rsa_der, rsa_der_len);
rsa_der_len = 0;
memset(rsa_der, 0, sizeof(rsa_der));
LOG_TEST_RET(card->ctx, rv, "cannot decode public key");
memset(&args, 0, sizeof(args));
args.type = SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC;
args.component = 1;
args.data = key.modulus.data;
args.len = key.modulus.len;
rv = auth_update_component(card, &args);
LOG_TEST_RET(card->ctx, rv, "Update component failed");
memset(&args, 0, sizeof(args));
args.type = SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC;
args.component = 2;
args.data = key.exponent.data;
args.len = key.exponent.len;
rv = auth_update_component(card, &args);
LOG_TEST_RET(card->ctx, rv, "Update component failed");
LOG_FUNC_RETURN(card->ctx, len);
}
static int
auth_update_binary(struct sc_card *card, unsigned int offset,
const unsigned char *buf, size_t count, unsigned long flags)
{
int rv = 0;
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx, "offset %i; count %"SC_FORMAT_LEN_SIZE_T"u", offset,
count);
sc_log(card->ctx, "last selected : magic %X; ef %X",
auth_current_ef->magic, auth_current_ef->ef_structure);
if (offset & ~0x7FFF)
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Invalid file offset");
if (auth_current_ef->magic==SC_FILE_MAGIC &&
auth_current_ef->ef_structure == SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC) {
rv = write_publickey(card, offset, buf, count);
}
else if (auth_current_ef->magic==SC_FILE_MAGIC &&
auth_current_ef->ef_structure == SC_CARDCTL_OBERTHUR_KEY_DES) {
struct auth_update_component_info args;
memset(&args, 0, sizeof(args));
args.type = SC_CARDCTL_OBERTHUR_KEY_DES;
args.data = (unsigned char *)buf;
args.len = count;
rv = auth_update_component(card, &args);
}
else {
rv = iso_ops->update_binary(card, offset, buf, count, 0);
}
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_read_binary(struct sc_card *card, unsigned int offset,
unsigned char *buf, size_t count, unsigned long flags)
{
int rv;
struct sc_pkcs15_bignum bn[2];
unsigned char *out = NULL;
bn[0].data = NULL;
bn[1].data = NULL;
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx,
"offset %i; size %"SC_FORMAT_LEN_SIZE_T"u; flags 0x%lX",
offset, count, flags);
sc_log(card->ctx,"last selected : magic %X; ef %X",
auth_current_ef->magic, auth_current_ef->ef_structure);
if (offset & ~0x7FFF)
LOG_TEST_RET(card->ctx, SC_ERROR_INVALID_ARGUMENTS, "Invalid file offset");
if (auth_current_ef->magic==SC_FILE_MAGIC &&
auth_current_ef->ef_structure == SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC) {
int jj;
unsigned char resp[256];
size_t resp_len, out_len;
struct sc_pkcs15_pubkey_rsa key;
resp_len = sizeof(resp);
rv = auth_read_component(card, SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC,
2, resp, resp_len);
LOG_TEST_RET(card->ctx, rv, "read component failed");
for (jj=0; jj<rv && *(resp+jj)==0; jj++)
;
bn[0].data = calloc(1, rv - jj);
if (!bn[0].data) {
rv = SC_ERROR_OUT_OF_MEMORY;
goto err;
}
bn[0].len = rv - jj;
memcpy(bn[0].data, resp + jj, rv - jj);
rv = auth_read_component(card, SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC,
1, resp, resp_len);
LOG_TEST_GOTO_ERR(card->ctx, rv, "Cannot read RSA public key component");
bn[1].data = calloc(1, rv);
if (!bn[1].data) {
rv = SC_ERROR_OUT_OF_MEMORY;
goto err;
}
bn[1].len = rv;
memcpy(bn[1].data, resp, rv);
key.exponent = bn[0];
key.modulus = bn[1];
if (sc_pkcs15_encode_pubkey_rsa(card->ctx, &key, &out, &out_len)) {
rv = SC_ERROR_INVALID_ASN1_OBJECT;
LOG_TEST_GOTO_ERR(card->ctx, rv, "cannot encode RSA public key");
}
else {
rv = out_len - offset > count ? count : out_len - offset;
memcpy(buf, out + offset, rv);
sc_log_hex(card->ctx, "write_publickey", buf, rv);
}
}
else {
rv = iso_ops->read_binary(card, offset, buf, count, 0);
}
err:
free(bn[0].data);
free(bn[1].data);
free(out);
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_read_record(struct sc_card *card, unsigned int nr_rec,
unsigned char *buf, size_t count, unsigned long flags)
{
struct sc_apdu apdu;
int rv = 0;
unsigned char recvbuf[SC_MAX_APDU_BUFFER_SIZE];
sc_log(card->ctx,
"auth_read_record(): nr_rec %i; count %"SC_FORMAT_LEN_SIZE_T"u",
nr_rec, count);
sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xB2, nr_rec, 0);
apdu.p2 = (flags & SC_RECORD_EF_ID_MASK) << 3;
if (flags & SC_RECORD_BY_REC_NR)
apdu.p2 |= 0x04;
apdu.le = count;
apdu.resplen = count;
apdu.resp = recvbuf;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
if (apdu.resplen == 0)
LOG_FUNC_RETURN(card->ctx, sc_check_sw(card, apdu.sw1, apdu.sw2));
memcpy(buf, recvbuf, apdu.resplen);
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_TEST_RET(card->ctx, rv, "Card returned error");
LOG_FUNC_RETURN(card->ctx, apdu.resplen);
}
static int
auth_delete_record(struct sc_card *card, unsigned int nr_rec)
{
struct sc_apdu apdu;
int rv = 0;
LOG_FUNC_CALLED(card->ctx);
sc_log(card->ctx, "auth_delete_record(): nr_rec %i", nr_rec);
sc_format_apdu(card, &apdu, SC_APDU_CASE_1, 0x32, nr_rec, 0x04);
apdu.cla = 0x80;
rv = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
rv = sc_check_sw(card, apdu.sw1, apdu.sw2);
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
auth_get_serialnr(struct sc_card *card, struct sc_serial_number *serial)
{
if (!serial)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
if (card->serialnr.len==0)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INTERNAL);
memcpy(serial, &card->serialnr, sizeof(*serial));
LOG_FUNC_RETURN(card->ctx, SC_SUCCESS);
}
static const struct sc_card_error
auth_warnings[] = {
{ 0x6282, SC_SUCCESS,
"ignore warning 'End of file or record reached before reading Ne bytes'" },
{0, 0, NULL},
};
static int
auth_check_sw(struct sc_card *card, unsigned int sw1, unsigned int sw2)
{
int ii;
for (ii=0; auth_warnings[ii].SWs; ii++) {
if (auth_warnings[ii].SWs == ((sw1 << 8) | sw2)) {
sc_log(card->ctx, "%s", auth_warnings[ii].errorstr);
return auth_warnings[ii].errorno;
}
}
return iso_ops->check_sw(card, sw1, sw2);
}
static struct sc_card_driver *
sc_get_driver(void)
{
if (iso_ops == NULL)
iso_ops = sc_get_iso7816_driver()->ops;
auth_ops = *iso_ops;
auth_ops.match_card = auth_match_card;
auth_ops.init = auth_init;
auth_ops.finish = auth_finish;
auth_ops.select_file = auth_select_file;
auth_ops.list_files = auth_list_files;
auth_ops.delete_file = auth_delete_file;
auth_ops.create_file = auth_create_file;
auth_ops.read_binary = auth_read_binary;
auth_ops.update_binary = auth_update_binary;
auth_ops.read_record = auth_read_record;
auth_ops.delete_record = auth_delete_record;
auth_ops.card_ctl = auth_card_ctl;
auth_ops.set_security_env = auth_set_security_env;
auth_ops.restore_security_env = auth_restore_security_env;
auth_ops.compute_signature = auth_compute_signature;
auth_ops.decipher = auth_decipher;
auth_ops.process_fci = auth_process_fci;
auth_ops.pin_cmd = auth_pin_cmd;
auth_ops.logout = auth_logout;
auth_ops.check_sw = auth_check_sw;
return &auth_drv;
}
struct sc_card_driver *
sc_get_oberthur_driver(void)
{
return sc_get_driver();
}
#endif /* ENABLE_OPENSSL */
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