opensc/src/pkcs15init/pkcs15-oberthur.c

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/*
* Oberthur specific operation for PKCS #15 initialization
*
* Copyright (C) 2002 Juha Yrj<EFBFBD>l<EFBFBD> <juha.yrjola@iki.fi>
* Copyright (C) 2003 Idealx <www.idealx.org>
* Viktor Tarasov <vtarasov@idealx.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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <ctype.h>
#include <opensc/opensc.h>
#include <opensc/cardctl.h>
#include <opensc/log.h>
#include "pkcs15-init.h"
#include "profile.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define COSM_TITLE "OberthurAWP"
#define COSM_TLV_TAG 0x00
#define COSM_LIST_TAG 0xFF
#define COSM_TAG_CONTAINER 0x0000
#define COSM_TAG_CERT 0x0001
#define COSM_TAG_PRVKEY_RSA 0x04B1
#define COSM_TAG_PUBKEY_RSA 0x0349
#define COSM_TAG_DES 0x0679
#define COSM_TAG_DATA 0x0001
#define COSM_IMPORTED 0x0000
#define COSM_GENERATED 0x0004
#define TLV_TYPE_V 0
#define TLV_TYPE_LV 1
#define TLV_TYPE_TLV 2
/* Should be greater then SC_PKCS15_TYPE_CLASS_MASK */
#define SC_DEVICE_SPECIFIC_TYPE 0x1000
#define COSM_PUBLIC_LIST (SC_DEVICE_SPECIFIC_TYPE | 0x02)
#define COSM_PRIVATE_LIST (SC_DEVICE_SPECIFIC_TYPE | 0x03)
#define COSM_CONTAINER_LIST (SC_DEVICE_SPECIFIC_TYPE | 0x04)
#define COSM_TOKENINFO (SC_DEVICE_SPECIFIC_TYPE | 0x05)
#define COSM_TYPE_PRKEY_RSA (SC_DEVICE_SPECIFIC_TYPE | SC_PKCS15_TYPE_PRKEY_RSA)
#define COSM_TYPE_PUBKEY_RSA (SC_DEVICE_SPECIFIC_TYPE | SC_PKCS15_TYPE_PUBKEY_RSA)
static int cosm_update_pin(struct sc_profile *profile, sc_card_t *card,
struct sc_pkcs15_pin_info *info, const u8 *pin, size_t pin_len,
const u8 *puk, size_t puk_len);
int cosm_delete_file(sc_card_t *card, struct sc_profile *profile,
sc_file_t *df);
int cosm_delete_file(sc_card_t *card, struct sc_profile *profile,
sc_file_t *df)
{
sc_path_t path;
sc_file_t *parent;
int rv = 0;
sc_debug(card->ctx, " id %04X\n", df->id);
if (df->type==SC_FILE_TYPE_DF) {
rv = sc_pkcs15init_authenticate(profile, card, df, SC_AC_OP_DELETE);
if (rv < 0)
goto done;
}
/* Select the parent DF */
path = df->path;
path.len -= 2;
rv = sc_select_file(card, &path, &parent);
if (rv < 0)
goto done;
rv = sc_pkcs15init_authenticate(profile, card, parent, SC_AC_OP_DELETE);
sc_file_free(parent);
if (rv < 0)
goto done;
memset(&path, 0, sizeof(path));
path.type = SC_PATH_TYPE_FILE_ID;
path.value[0] = df->id >> 8;
path.value[1] = df->id & 0xFF;
path.len = 2;
rv = sc_delete_file(card, &path);
done:
sc_debug(card->ctx, "return %i\n", rv);
return rv;
}
/*
* Erase the card
*/
static int cosm_erase_card(struct sc_profile *profile, sc_card_t *card)
{
sc_file_t *df = profile->df_info->file, *dir;
int r;
/* Delete EF(DIR). This may not be very nice
* against other applications that use this file, but
* extremely useful for testing :)
* Note we need to delete if before the DF because we create
* it *after* the DF.
* */
card->ctx->suppress_errors++;
if (sc_profile_get_file(profile, "DIR", &dir) >= 0) {
sc_debug(card->ctx, "erase file dir %04X\n",dir->id);
r = cosm_delete_file(card, profile, dir);
sc_file_free(dir);
if (r < 0 && r != SC_ERROR_FILE_NOT_FOUND)
goto done;
}
sc_debug(card->ctx, "erase file ddf %04X\n",df->id);
r=cosm_delete_file(card, profile, df);
if (sc_profile_get_file(profile, "private-DF", &dir) >= 0) {
sc_debug(card->ctx, "erase file dir %04X\n",dir->id);
r = cosm_delete_file(card, profile, dir);
sc_file_free(dir);
if (r < 0 && r != SC_ERROR_FILE_NOT_FOUND)
goto done;
}
if (sc_profile_get_file(profile, "public-DF", &dir) >= 0) {
sc_debug(card->ctx, "erase file dir %04X\n",dir->id);
r = cosm_delete_file(card, profile, dir);
sc_file_free(dir);
if (r < 0 && r != SC_ERROR_FILE_NOT_FOUND)
goto done;
}
r = sc_profile_get_file(profile, COSM_TITLE"-AppDF", &dir);
if (!r) {
sc_debug(card->ctx, "delete %s; r %i\n", COSM_TITLE"-AppDF", r);
r = cosm_delete_file(card, profile, dir);
sc_file_free(dir);
}
done:
sc_keycache_forget_key(NULL, -1, -1);
card->ctx->suppress_errors++;
if (r == SC_ERROR_FILE_NOT_FOUND)
r=0;
return r;
}
/*
* Initialize the Application DF
*/
static int
cosm_init_app(struct sc_profile *profile, sc_card_t *card,
struct sc_pkcs15_pin_info *pinfo,
const u8 *pin, size_t pin_len,
const u8 *puk, size_t puk_len)
{
int r;
sc_file_t *file = NULL;
sc_debug(card->ctx, "pin_len %i; puk_len %i\n", pin_len, puk_len);
/* Create the application DF */
r = sc_pkcs15init_create_file(profile, card, profile->df_info->file);
if (r)
return r;
/* Oberthur AWP file system is expected.*/
/* Create private objects DF */
if (sc_profile_get_file(profile, "private-DF", &file)) {
sc_error(card->ctx, "Inconsistent profile: cannot find private-DF");
return SC_ERROR_INCONSISTENT_PROFILE;
}
r = sc_pkcs15init_create_file(profile, card, file);
sc_file_free(file);
if (r)
return r;
/* Create public objects DF */
if (sc_profile_get_file(profile, "public-DF", &file)) {
sc_error(card->ctx, "Inconsistent profile: cannot find public-DF");
return SC_ERROR_INCONSISTENT_PROFILE;
}
r = sc_pkcs15init_create_file(profile, card, file);
sc_file_free(file);
if (r)
return r;
/* Create Oberthur AWP application DF (5011),
* and populate with Oberthur's xxDF files*/
r = sc_profile_get_file(profile, COSM_TITLE"-AppDF", &file);
sc_debug(card->ctx, "name %s; r %i\n", COSM_TITLE"-AppDF", r);
if (r==SC_ERROR_FILE_NOT_FOUND) {
sc_debug(card->ctx, "create file dir %04X\n", file->id);
r = sc_pkcs15init_create_file(profile, card, file);
sc_file_free(file);
}
if (r && r!=SC_ERROR_FILE_ALREADY_EXISTS)
return(r);
sc_debug(card->ctx, "return OK\n");
return 0;
}
static int cosm_create_reference_data(struct sc_profile *profile, sc_card_t *card,
struct sc_pkcs15_pin_info *pinfo,
const u8 *pin, size_t pin_len, const u8 *puk, size_t puk_len )
{
int rv;
int puk_buff_len = 0;
unsigned char *puk_buff = NULL;
sc_pkcs15_pin_info_t profile_pin;
sc_pkcs15_pin_info_t profile_puk;
struct sc_cardctl_oberthur_createpin_info args;
sc_debug(card->ctx, "pin lens %i/%i\n", pin_len, puk_len);
if (!pin || pin_len>0x40)
return SC_ERROR_INVALID_ARGUMENTS;
if (puk && !puk_len)
return SC_ERROR_INVALID_ARGUMENTS;
rv = sc_select_file(card, &pinfo->path, NULL);
if (rv)
return rv;
sc_profile_get_pin_info(profile, SC_PKCS15INIT_USER_PIN, &profile_pin);
if (profile_pin.max_length > 0x100)
return SC_ERROR_INCONSISTENT_PROFILE;
if (puk) {
int ii, jj;
const unsigned char *ptr = puk;
puk_buff = (unsigned char *) malloc(0x100);
if (!puk_buff)
goto done;
sc_profile_get_pin_info(profile, SC_PKCS15INIT_USER_PUK, &profile_puk);
if (profile_puk.max_length > 0x100)
return SC_ERROR_INCONSISTENT_PROFILE;
memset(puk_buff, profile_puk.pad_char, 0x100);
for (ii=0; ii<8 && (size_t)(ptr-puk) < puk_len && (*ptr); ii++) {
jj = 0;
while (isalnum(*ptr) && jj<16) {
*(puk_buff + ii*0x10 + jj++) = *ptr;
++ptr;
}
while(!isalnum(*ptr) && (*ptr))
++ptr;
}
puk_buff_len = ii*0x10;
}
sc_debug(card->ctx, "pinfo->reference %i; tries %i\n",
pinfo->reference, profile_pin.tries_left);
sc_debug(card->ctx, "sc_card_ctl %s\n","SC_CARDCTL_OBERTHUR_CREATE_PIN");
args.type = SC_AC_CHV;
args.ref = pinfo->reference;
args.pin = pin;
args.pin_len = pin_len;
args.pin_tries = profile_pin.tries_left;
args.puk = puk_buff;
args.puk_len = puk_buff_len;
args.puk_tries = profile_puk.tries_left;
if ((rv = sc_card_ctl(card, SC_CARDCTL_OBERTHUR_CREATE_PIN, &args)) < 0)
goto done;
done:
if (puk_buff)
free(puk_buff);
sc_debug(card->ctx, "return %i\n", rv);
return rv;
}
/*
* Update PIN
*/
static int cosm_update_pin(struct sc_profile *profile, sc_card_t *card,
struct sc_pkcs15_pin_info *pinfo, const u8 *pin, size_t pin_len,
const u8 *puk, size_t puk_len )
{
int rv;
int tries_left = -1;
sc_debug(card->ctx, "ref %i; flags %X\n", pinfo->reference, pinfo->flags);
if (pinfo->flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
sc_error(card->ctx,"Pin references should be only in the profile"
"and in the card-oberthur.\n");
if (pinfo->reference != 2)
return SC_ERROR_INVALID_PIN_REFERENCE;
rv = sc_change_reference_data(card, SC_AC_CHV, pinfo->reference, puk, puk_len,
pin, pin_len, &tries_left);
sc_debug(card->ctx, "return value %X; tries left %i\n", rv, tries_left);
if (tries_left != -1)
sc_error(card->ctx, "Failed to change reference data for soPin: rv %X", rv);
}
else {
rv = cosm_create_reference_data(profile, card, pinfo,
pin, pin_len, puk, puk_len);
}
sc_debug(card->ctx, "return %i\n",rv);
return rv;
}
static int
cosm_select_pin_reference(sc_profile_t *profile, sc_card_t *card,
sc_pkcs15_pin_info_t *pin_info)
{
sc_file_t *pinfile;
sc_debug(card->ctx, "ref %i; flags %X\n", pin_info->reference, pin_info->flags);
if (sc_profile_get_file(profile, COSM_TITLE "-AppDF", &pinfile) < 0) {
sc_error(card->ctx, "Profile doesn't define \"%s\"", COSM_TITLE "-AppDF");
return SC_ERROR_INCONSISTENT_PROFILE;
}
pin_info->path = pinfile->path;
sc_file_free(pinfile);
if (pin_info->flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
pin_info->reference = 2;
}
if (pin_info->reference < 0 || pin_info->reference > 3)
return SC_ERROR_INVALID_PIN_REFERENCE;
if (!(pin_info->flags & SC_PKCS15_PIN_FLAG_SO_PIN)) {
if (pin_info->reference == 2)
return SC_ERROR_INVALID_PIN_REFERENCE;
else if (pin_info->reference == 0)
pin_info->reference = 1;
}
sc_debug(card->ctx, "return %i\n",0);
return 0;
}
/*
* Store a PIN
*/
static int
cosm_create_pin(sc_profile_t *profile, sc_card_t *card, sc_file_t *df,
sc_pkcs15_object_t *pin_obj,
const unsigned char *pin, size_t pin_len,
const unsigned char *puk, size_t puk_len)
{
sc_pkcs15_pin_info_t *pinfo = (sc_pkcs15_pin_info_t *) pin_obj->data;
sc_file_t *pinfile;
int r = 0, type;
sc_debug(card->ctx, "ref %i; flags %X\n", pinfo->reference, pinfo->flags);
if (sc_profile_get_file(profile, COSM_TITLE "-AppDF", &pinfile) < 0) {
sc_error(card->ctx, "Profile doesn't define \"%s\"", COSM_TITLE "-AppDF");
return SC_ERROR_INCONSISTENT_PROFILE;
}
pinfo->path = pinfile->path;
sc_file_free(pinfile);
if (pinfo->flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
type = SC_PKCS15INIT_SO_PIN;
if (pinfo->reference != 2)
return SC_ERROR_INVALID_ARGUMENTS;
}
else {
type = SC_PKCS15INIT_USER_PIN;
if (pinfo->reference !=1)
return SC_ERROR_INVALID_PIN_REFERENCE;
}
if (pin && pin_len) {
r = cosm_update_pin(profile, card, pinfo, pin, pin_len, puk, puk_len);
}
else {
sc_debug(card->ctx, "User PIN not updated");
}
sc_debug(card->ctx, "return %i\n",r);
sc_keycache_set_pin_name(&pinfo->path, pinfo->reference, type);
pinfo->flags &= ~SC_PKCS15_PIN_FLAG_LOCAL;
return r;
}
/*
* Allocate a file
*/
static int
cosm_new_file(struct sc_profile *profile, sc_card_t *card,
unsigned int type, unsigned int num, sc_file_t **out)
{
struct sc_file *file;
const char *_template = NULL, *desc = NULL;
unsigned int structure = 0xFFFFFFFF;
sc_debug(card->ctx, "type %X; num %i\n",type, num);
while (1) {
switch (type) {
case SC_PKCS15_TYPE_PRKEY_RSA:
case COSM_TYPE_PRKEY_RSA:
desc = "RSA private key";
_template = "template-private-key";
structure = SC_CARDCTL_OBERTHUR_KEY_RSA_CRT;
break;
case SC_PKCS15_TYPE_PUBKEY_RSA:
case COSM_TYPE_PUBKEY_RSA:
desc = "RSA public key";
_template = "template-public-key";
structure = SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC;
break;
case SC_PKCS15_TYPE_PUBKEY_DSA:
desc = "DSA public key";
_template = "template-public-key";
break;
case SC_PKCS15_TYPE_PRKEY:
desc = "extractable private key";
_template = "template-extractable-key";
break;
case SC_PKCS15_TYPE_CERT:
desc = "certificate";
_template = "template-certificate";
break;
case SC_PKCS15_TYPE_DATA_OBJECT:
desc = "data object";
_template = "template-public-data";
break;
}
if (_template)
break;
/* If this is a specific type such as
* SC_PKCS15_TYPE_CERT_FOOBAR, fall back to
* the generic class (SC_PKCS15_TYPE_CERT)
*/
if (!(type & ~SC_PKCS15_TYPE_CLASS_MASK)) {
sc_error(card->ctx, "File type %X not supported by card driver",
type);
return SC_ERROR_INVALID_ARGUMENTS;
}
type &= SC_PKCS15_TYPE_CLASS_MASK;
}
sc_debug(card->ctx, "template %s; num %i\n",_template, num);
if (sc_profile_get_file(profile, _template, &file) < 0) {
sc_error(card->ctx, "Profile doesn't define %s template '%s'\n",
desc, _template);
return SC_ERROR_NOT_SUPPORTED;
}
file->id |= (num & 0xFF);
file->path.value[file->path.len-1] |= (num & 0xFF);
if (file->type == SC_FILE_TYPE_INTERNAL_EF) {
file->ef_structure = structure;
}
sc_debug(card->ctx, "file size %i; ef type %i/%i; id %04X\n",file->size,
file->type, file->ef_structure, file->id);
*out = file;
return 0;
}
/*
* RSA key generation
*/
static int
cosm_old_generate_key(struct sc_profile *profile, sc_card_t *card,
unsigned int idx, unsigned int keybits,
sc_pkcs15_pubkey_t *pubkey,
struct sc_pkcs15_prkey_info *info)
{
struct sc_cardctl_oberthur_genkey_info args;
struct sc_file *prkf = NULL, *tmpf = NULL;
sc_path_t path;
int rv;
sc_debug(card->ctx, "index %i; nn %i\n",idx,keybits);
if (keybits < 512 || keybits > 2048 || (keybits%0x20)) {
sc_error(card->ctx, "Unsupported key size %u\n", keybits);
return SC_ERROR_INVALID_ARGUMENTS;
}
/* Get private key file from profile. */
if ((rv = cosm_new_file(profile, card, SC_PKCS15_TYPE_PRKEY_RSA, idx,
&prkf)) < 0)
goto failed;
sc_debug(card->ctx, "prv ef type %i\n",prkf->ef_structure);
prkf->size = keybits;
/* Access condition of private object DF. */
path = prkf->path;
path.len -= 2;
if ((rv = sc_profile_get_file_by_path(profile, &path, &tmpf)))
goto failed;
else if ((rv = sc_pkcs15init_authenticate(profile, card, tmpf,
SC_AC_OP_CRYPTO)) < 0)
goto failed;
else if ((rv = sc_pkcs15init_authenticate(profile, card, tmpf,
SC_AC_OP_CREATE)) < 0)
goto failed;
else
sc_file_free(tmpf);
/* In the private key DF create the temporary public RSA file. */
sc_debug(card->ctx, "ready to create public key\n");
sc_file_dup(&tmpf, prkf);
tmpf->type = SC_FILE_TYPE_INTERNAL_EF;
tmpf->ef_structure = SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC;
tmpf->id = 0x1012;
tmpf->path.value[tmpf->path.len - 2] = 0x10;
tmpf->path.value[tmpf->path.len - 1] = 0x12;
if ((rv = sc_pkcs15init_create_file(profile, card, prkf)))
goto failed;
else if ((rv = sc_pkcs15init_create_file(profile, card, tmpf)))
goto failed;
memset(&args, 0, sizeof(args));
args.id_prv = prkf->id;
args.id_pub = tmpf->id;
args.exponent = 0x10001;
args.key_bits = keybits;
args.pubkey_len = keybits/8;
args.pubkey = (unsigned char *) malloc(keybits/8);
if (!args.pubkey) {
rv = SC_ERROR_OUT_OF_MEMORY;
goto failed;
}
sc_debug(card->ctx, "sc_card_ctl %s\n","SC_CARDCTL_OBERTHUR_GENERATE_KEY");
if ((rv = sc_card_ctl(card, SC_CARDCTL_OBERTHUR_GENERATE_KEY, &args)) < 0)
goto failed;
/* extract public key */
pubkey->algorithm = SC_ALGORITHM_RSA;
pubkey->u.rsa.modulus.len = keybits / 8;
pubkey->u.rsa.modulus.data = (u8 *) malloc(keybits / 8);
if (!pubkey->u.rsa.modulus.data) {
rv = SC_ERROR_MEMORY_FAILURE;
goto failed;
}
/* FIXME and if the exponent length is not 3? */
pubkey->u.rsa.exponent.len = 3;
pubkey->u.rsa.exponent.data = (u8 *) malloc(3);
if (!pubkey->u.rsa.exponent.data) {
rv = SC_ERROR_MEMORY_FAILURE;
goto failed;
}
memcpy(pubkey->u.rsa.exponent.data, "\x01\x00\x01", 3);
memcpy(pubkey->u.rsa.modulus.data, args.pubkey, args.pubkey_len);
info->key_reference = 1;
info->path = prkf->path;
sc_debug(card->ctx, "delete temporary public key\n");
if ((rv = cosm_delete_file(card, profile, tmpf)))
goto failed;
failed:
if (tmpf) sc_file_free(tmpf);
if (prkf) sc_file_free(prkf);
sc_debug(card->ctx, "return %i\n",rv);
return rv;
}
/*
* Store a private key
*/
static int
cosm_new_key(struct sc_profile *profile, sc_card_t *card,
struct sc_pkcs15_prkey *key, unsigned int idx,
struct sc_pkcs15_prkey_info *info)
{
sc_file_t *prvfile = NULL, *pubfile = NULL;
struct sc_pkcs15_prkey_rsa *rsa = NULL;
struct sc_pkcs15_bignum bn[6];
u8 *buff;
int rv, ii;
sc_debug(card->ctx, " index %i\n", idx);
if (key->algorithm != SC_ALGORITHM_RSA) {
sc_error(card->ctx, "For a while supports only RSA keys.");
return SC_ERROR_NOT_SUPPORTED;
}
/* Create and populate the private part. */
rv = cosm_new_file(profile, card, SC_PKCS15_TYPE_PRKEY_RSA, idx,
&prvfile);
if (rv < 0)
return SC_ERROR_SYNTAX_ERROR;
sc_debug(card->ctx, " prvfile->id %i; path=%s\n",
prvfile->id, sc_print_path(&prvfile->path));
rsa = &key->u.rsa;
prvfile->size = rsa->modulus.len << 3;
buff = (u8 *) malloc(rsa->modulus.len);
if (!buff) {
sc_error(card->ctx, "Memory allocation error.");
return SC_ERROR_OUT_OF_MEMORY;
}
rv = sc_select_file(card, &prvfile->path, NULL);
if (rv==SC_ERROR_FILE_NOT_FOUND)
rv = sc_pkcs15init_create_file(profile, card, prvfile);
if (rv <0)
goto failed;
if ((rv = sc_pkcs15init_authenticate(profile, card, prvfile,
SC_AC_OP_UPDATE)) <0)
goto failed;
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 sc_cardctl_oberthur_updatekey_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 = sc_card_ctl(card, SC_CARDCTL_OBERTHUR_UPDATE_KEY, &args);
if (rv)
goto failed;
}
info->path = prvfile->path;
info->modulus_length = rsa->modulus.len << 3;
failed:
if (pubfile) sc_file_free(pubfile);
if (prvfile) sc_file_free(prvfile);
if (buff) free(buff);
sc_debug(card->ctx, "return %i\n", rv);
return rv;
}
struct sc_pkcs15init_operations sc_pkcs15init_oberthur_operations;
struct sc_pkcs15init_operations *
sc_pkcs15init_get_oberthur_ops(void)
{
struct sc_pkcs15init_operations *ops = &sc_pkcs15init_oberthur_operations;
ops->erase_card = cosm_erase_card;
/* NEW */
ops->create_dir = NULL;
ops->create_domain = NULL;
ops->select_pin_reference = cosm_select_pin_reference;
ops->create_pin = cosm_create_pin;
ops->select_key_reference = NULL;
ops->create_key = NULL;
ops->store_key = NULL;
ops->generate_key = NULL;
ops->encode_private_key = NULL;
ops->encode_public_key = NULL;
/* OLD */
ops->init_app = cosm_init_app;
ops->new_pin = NULL;
ops->new_key = cosm_new_key;
ops->new_file = cosm_new_file;
ops->old_generate_key = cosm_old_generate_key;
return ops;
}