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opensc/src/libopensc/pkcs15-westcos.c

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/*
* pkcs15-westcos.c: pkcs15 emulation for westcos card
*
* Copyright (C) 2009 francois.leblanc@cev-sa.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
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "internal.h"
#include "pkcs15.h"
#include "cardctl.h"
#include "common/compat_strlcpy.h"
static int sc_pkcs15emu_westcos_init(sc_pkcs15_card_t * p15card)
{
int i, r;
int modulus_length = 0;
char buf[256];
sc_card_t *card = p15card->card;
sc_serial_number_t serial;
sc_path_t path;
sc_format_path("3F00", &path);
r = sc_select_file(card, &path, NULL);
if (r)
goto out;
free(p15card->tokeninfo->label);
p15card->tokeninfo->label = strdup("westcos");
free(p15card->tokeninfo->manufacturer_id);
p15card->tokeninfo->manufacturer_id = strdup("CEV");
/* get serial number */
r = sc_card_ctl(card, SC_CARDCTL_GET_SERIALNR, &serial);
if (r)
goto out;
r = sc_bin_to_hex(serial.value, serial.len, buf, sizeof(buf), 0);
if (r)
goto out;
free(p15card->tokeninfo->serial_number);
p15card->tokeninfo->serial_number = strdup(buf);
sc_format_path("AAAA", &path);
r = sc_select_file(card, &path, NULL);
if (r)
{
goto out;
}
else
{
for (i = 0; i <= 1; i++) {
unsigned int flags;
struct sc_pkcs15_auth_info pin_info;
struct sc_pkcs15_object pin_obj;
memset(&pin_info, 0, sizeof(pin_info));
memset(&pin_obj, 0, sizeof(pin_obj));
flags = SC_PKCS15_PIN_FLAG_INITIALIZED;
if (i == 1) {
flags |=
SC_PKCS15_PIN_FLAG_UNBLOCK_DISABLED |
SC_PKCS15_PIN_FLAG_UNBLOCKING_PIN;
}
pin_info.auth_type = SC_PKCS15_PIN_AUTH_TYPE_PIN;
pin_info.auth_id.len = 1;
pin_info.auth_id.value[0] = i + 1;
pin_info.attrs.pin.reference = i;
pin_info.attrs.pin.flags = flags;
pin_info.attrs.pin.type = SC_PKCS15_PIN_TYPE_BCD;
pin_info.attrs.pin.min_length = 4;
pin_info.attrs.pin.stored_length = 8;
pin_info.attrs.pin.max_length = 8;
pin_info.attrs.pin.pad_char = 0xff;
pin_info.path = path;
pin_info.tries_left = -1;
pin_info.logged_in = SC_PIN_STATE_UNKNOWN;
if (i == 1)
strlcpy(pin_obj.label, "Unblock",
sizeof(pin_obj.label));
else {
strlcpy(pin_obj.label, "User",
sizeof(pin_obj.label));
pin_obj.auth_id.len = 1;
pin_obj.auth_id.value[0] = 2;
}
pin_obj.flags =
SC_PKCS15_CO_FLAG_MODIFIABLE |
SC_PKCS15_CO_FLAG_PRIVATE;
r = sc_pkcs15emu_add_pin_obj(p15card, &pin_obj,
&pin_info);
if (r)
goto out;
}
}
sc_format_path("0002", &path);
r = sc_select_file(card, &path, NULL);
if (r)
{
goto out;
}
else
{
/* certificate file */
struct sc_pkcs15_cert_info cert_info;
struct sc_pkcs15_object cert_obj;
struct sc_pkcs15_pubkey_info pubkey_info;
struct sc_pkcs15_object pubkey_obj;
struct sc_pkcs15_pubkey *pkey = NULL;
sc_pkcs15_cert_t *cert = NULL;
memset(&cert_info, 0, sizeof(cert_info));
memset(&cert_obj, 0, sizeof(cert_obj));
cert_info.id.len = 1;
cert_info.id.value[0] = 0x45;
cert_info.authority = 0;
cert_info.path = path;
r = sc_pkcs15_read_certificate(p15card, &cert_info, &cert);
cert_obj.data = (void *) cert;
if (!r) {
strlcpy(cert_obj.label, "User certificate",
sizeof(cert_obj.label));
cert_obj.flags = SC_PKCS15_CO_FLAG_MODIFIABLE;
r = sc_pkcs15emu_add_x509_cert(p15card, &cert_obj,
&cert_info);
if (r)
goto out;
pkey = cert->key;
if (pkey->algorithm == SC_ALGORITHM_RSA) {
modulus_length = (int)(pkey->u.rsa.modulus.len * 8);
}
}
else
{
/* or public key */
memset(&pubkey_info, 0, sizeof(pubkey_info));
memset(&pubkey_obj, 0, sizeof(pubkey_obj));
pubkey_info.id.len = 1;
pubkey_info.id.value[0] = 0x45;
pubkey_info.modulus_length = modulus_length;
pubkey_info.key_reference = 1;
pubkey_info.native = 1;
pubkey_info.usage =
SC_PKCS15_PRKEY_USAGE_VERIFY |
SC_PKCS15_PRKEY_USAGE_VERIFYRECOVER |
SC_PKCS15_PRKEY_USAGE_ENCRYPT |
SC_PKCS15_PRKEY_USAGE_WRAP;
pubkey_info.path = path;
strlcpy(pubkey_obj.label, "Public Key",
sizeof(pubkey_obj.label));
pubkey_obj.auth_id.len = 1;
pubkey_obj.auth_id.value[0] = 1;
pubkey_obj.flags = SC_PKCS15_CO_FLAG_PRIVATE;
pubkey_obj.type = SC_PKCS15_TYPE_PUBKEY_RSA;
if (pkey == NULL) {
pubkey_obj.data = &pubkey_info;
r = sc_pkcs15_read_pubkey(p15card, &pubkey_obj, &pkey);
if (r)
goto out;
/* not sure if necessary */
pubkey_obj.flags = 0;
}
if (pkey->algorithm == SC_ALGORITHM_RSA) {
modulus_length = (int)(pkey->u.rsa.modulus.len * 8);
}
pubkey_info.modulus_length = modulus_length;
pubkey_obj.data = pkey;
r = sc_pkcs15emu_add_rsa_pubkey(p15card, &pubkey_obj,
&pubkey_info);
if (r < 0)
goto out;
}
}
sc_format_path("0001", &path);
r = sc_select_file(card, &path, NULL);
if (r)
{
goto out;
}
else
{
struct sc_pkcs15_prkey_info prkey_info;
struct sc_pkcs15_object prkey_obj;
memset(&prkey_info, 0, sizeof(prkey_info));
memset(&prkey_obj, 0, sizeof(prkey_obj));
prkey_info.id.len = 1;
prkey_info.id.value[0] = 0x45;
prkey_info.usage =
SC_PKCS15_PRKEY_USAGE_SIGN | SC_PKCS15_PRKEY_USAGE_DECRYPT
| SC_PKCS15_PRKEY_USAGE_NONREPUDIATION;
prkey_info.native = 1;
prkey_info.key_reference = 1;
prkey_info.modulus_length = modulus_length;
prkey_info.path = path;
strlcpy(prkey_obj.label, "Private Key",
sizeof(prkey_obj.label));
prkey_obj.flags = SC_PKCS15_CO_FLAG_PRIVATE;
prkey_obj.auth_id.len = 1;
prkey_obj.auth_id.value[0] = 1;
r = sc_pkcs15emu_add_rsa_prkey(p15card, &prkey_obj,
&prkey_info);
if (r < 0)
goto out;
}
r = 0;
out:
return r;
}
static int westcos_detect_card(sc_pkcs15_card_t * p15card)
{
sc_card_t *card = p15card->card;
sc_context_t *ctx = card->ctx;
const char *name = "WESTCOS";
sc_log(ctx,
"westcos_detect_card (%s)", card->name);
if (strncmp(card->name, name, strlen(name)))
return SC_ERROR_WRONG_CARD;
return SC_SUCCESS;
}
int sc_pkcs15emu_westcos_init_ex(sc_pkcs15_card_t * p15card,
struct sc_aid *aid)
{
int r;
sc_card_t *card = p15card->card;
sc_context_t *ctx = card->ctx;
sc_log(ctx,
"sc_pkcs15_init_func_ex westcos\n");
r = westcos_detect_card(p15card);
if (r)
return SC_ERROR_WRONG_CARD;
return sc_pkcs15emu_westcos_init(p15card);
}
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