/*

 * pkcs15-sc-hsm.c : PKCS#15 emulation for write support

 *

 * Copyright (C) 2012 Andreas Schwier, CardContact, Minden, Germany

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdlib.h>

#include <string.h>

#include <sys/types.h>

#include <ctype.h>

#include <errno.h>

#include <stdio.h>

#include "../libopensc/opensc.h"

#include "../libopensc/cardctl.h"

#include "../libopensc/log.h"

#include "../libopensc/pkcs15.h"

#include "../libopensc/cards.h"

#include "../libopensc/card-sc-hsm.h"

#include "../libopensc/asn1.h"

#include "../libopensc/pkcs15.h"

#include "common/compat_strlcpy.h"

#include "common/compat_strlcat.h"

#include "pkcs15-init.h"

#include "profile.h"

static u8 pubexp[] = { 0x01, 0x00, 0x01 };

static int sc_hsm_delete_ef(sc_pkcs15_card_t *p15card, u8 prefix, u8 id)

{

  sc_card_t *card = p15card->card;

  sc_path_t path;

  u8 fid[2];

  int r;

  fid[0] = prefix;

  fid[1] = id;

  sc_path_set(&path, SC_PATH_TYPE_FILE_ID, fid, 2, 0, -1);

  r = sc_delete_file(card, &path);

  LOG_TEST_RET(card->ctx, r, "Could not delete file");

  LOG_FUNC_RETURN(card->ctx, r);

}

static int sc_hsm_update_ef(sc_pkcs15_card_t *p15card, u8 prefix, u8 id, int erase, u8 *buf, size_t buflen)

{

  sc_card_t *card = p15card->card;

  sc_file_t *file = NULL;

  sc_path_t path;

  u8 fid[2];

  int r;

  fid[0] = prefix;

  fid[1] = id;

  sc_path_set(&path, SC_PATH_TYPE_FILE_ID, fid, 2, 0, -1);

  r = sc_select_file(card, &path, NULL);

  if ((r == SC_SUCCESS) && erase) {

    r = sc_delete_file(card, &path);

    LOG_TEST_RET(card->ctx, r, "Could not delete file");

    r = SC_ERROR_FILE_NOT_FOUND;

  }

  if (r == SC_ERROR_FILE_NOT_FOUND) {

    file = sc_file_new();

    file->id = (path.value[0] << 8) | path.value[1];

    file->type = SC_FILE_TYPE_WORKING_EF;

    file->ef_structure = SC_FILE_EF_TRANSPARENT;

    file->size = (size_t) 0;

    file->status = SC_FILE_STATUS_ACTIVATED;

    r = sc_create_file(card, file);

    sc_file_free(file);

    LOG_TEST_RET(card->ctx, r, "Could not create file");

  }

  r = sc_update_binary(card, 0, buf, buflen, 0);

  LOG_FUNC_RETURN(card->ctx, r);

}

static int sc_hsm_create_key(sc_profile_t *profile, sc_pkcs15_card_t *p15card,

  sc_pkcs15_object_t *obj)

{

  // Keys are automatically generated in GENERATE ASYMMETRIC KEY PAIR command

  LOG_FUNC_CALLED(p15card->card->ctx);

  LOG_FUNC_RETURN(p15card->card->ctx, SC_SUCCESS);

}

static int sc_hsm_store_key(sc_profile_t *profile, sc_pkcs15_card_t *p15card,

  sc_pkcs15_object_t *obj, sc_pkcs15_prkey_t *key)

{

  LOG_FUNC_CALLED(p15card->card->ctx);

  LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_NOT_SUPPORTED);

}

static int sc_hsm_determine_free_id(struct sc_pkcs15_card *p15card, u8 range)

{

  struct sc_card *card = p15card->card;

  u8 filelist[MAX_EXT_APDU_LENGTH];

  int filelistlength, i, j;

  LOG_FUNC_CALLED(p15card->card->ctx);

  filelistlength = sc_list_files(card, filelist, sizeof(filelist));

  LOG_TEST_RET(card->ctx, filelistlength, "Could not enumerate file and key identifier");

  for (j = 0; j < 256; j++) {

    for (i = 0; i + 1 < filelistlength; i += 2) {

      if ((filelist[i] == range) && (filelist[i + 1] == j)) {

        break;

      }

    }

    if (i >= filelistlength) {

      LOG_FUNC_RETURN(p15card->card->ctx, j);

    }

  }

  LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_NOT_ENOUGH_MEMORY);

}

static int sc_hsm_encode_gakp_rsa(struct sc_pkcs15_card *p15card, sc_cvc_t *cvc, size_t keysize) {

  struct sc_object_id rsa15withSHA256 = { { 0,4,0,127,0,7,2,2,2,1,2,-1 } };

  LOG_FUNC_CALLED(p15card->card->ctx);

  cvc->coefficientAorExponentlen = sizeof(pubexp);

  cvc->coefficientAorExponent = malloc(sizeof(pubexp));

  if (!cvc->coefficientAorExponent) {

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_OUT_OF_MEMORY);

  }

  memcpy(cvc->coefficientAorExponent, pubexp, sizeof(pubexp));

  cvc->pukoid = rsa15withSHA256;

  cvc->modulusSize = (int)keysize;

  LOG_FUNC_RETURN(p15card->card->ctx, SC_SUCCESS);

}

static int sc_hsm_encode_gakp_ec(struct sc_pkcs15_card *p15card, sc_cvc_t *cvc, struct sc_pkcs15_prkey_info *key_info) {

  struct sc_object_id ecdsaWithSHA256 = { { 0,4,0,127,0,7,2,2,2,2,3,-1 } };

  struct sc_ec_parameters *ecparams = (struct sc_ec_parameters *)key_info->params.data;

  struct ec_curve *curve = NULL;

  u8 *curveoid;

  int curveoidlen,r;

  LOG_FUNC_CALLED(p15card->card->ctx);

  curveoid = ecparams->der.value;

  if ((ecparams->der.len < 3) || (*curveoid++ != 0x06)) {

    sc_log(p15card->card->ctx, "EC_PARAMS does not contain curve object identifier");

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_INVALID_DATA);

  }

  curveoidlen = *curveoid++;

  r = sc_pkcs15emu_sc_hsm_get_curve(&curve, curveoid, curveoidlen);

  LOG_TEST_RET(p15card->card->ctx, r, "Unsupported named curve");

  cvc->primeOrModuluslen = curve->prime.len;

  cvc->primeOrModulus = malloc(cvc->primeOrModuluslen);

  if (!cvc->primeOrModulus) {

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_OUT_OF_MEMORY);

  }

  memcpy(cvc->primeOrModulus, curve->prime.value, cvc->primeOrModuluslen);

  cvc->coefficientAorExponentlen = curve->coefficientA.len;

  cvc->coefficientAorExponent = malloc(cvc->coefficientAorExponentlen);

  if (!cvc->coefficientAorExponent) {

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_OUT_OF_MEMORY);

  }

  memcpy(cvc->coefficientAorExponent, curve->coefficientA.value, cvc->coefficientAorExponentlen);

  cvc->coefficientBlen = curve->coefficientB.len;

  cvc->coefficientB = malloc(cvc->coefficientBlen);

  if (!cvc->coefficientB) {

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_OUT_OF_MEMORY);

  }

  memcpy(cvc->coefficientB, curve->coefficientB.value, cvc->coefficientBlen);

  cvc->basePointGlen = curve->basePointG.len;

  cvc->basePointG = malloc(cvc->basePointGlen);

  if (!cvc->basePointG) {

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_OUT_OF_MEMORY);

  }

  memcpy(cvc->basePointG, curve->basePointG.value, cvc->basePointGlen);

  cvc->orderlen = curve->order.len;

  cvc->order = malloc(cvc->orderlen);

  if (!cvc->order) {

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_OUT_OF_MEMORY);

  }

  memcpy(cvc->order, curve->order.value, cvc->orderlen);

  cvc->cofactorlen = curve->coFactor.len;

  cvc->cofactor = malloc(cvc->cofactorlen);

  if (!cvc->cofactor) {

    LOG_FUNC_RETURN(p15card->card->ctx, SC_ERROR_OUT_OF_MEMORY);

  }

  memcpy(cvc->cofactor, curve->coFactor.value, cvc->cofactorlen);

  cvc->pukoid = ecdsaWithSHA256;

  LOG_FUNC_RETURN(p15card->card->ctx, SC_SUCCESS);

}

static int sc_hsm_generate_key(struct sc_profile *profile, struct sc_pkcs15_card *p15card,

                              struct sc_pkcs15_object *object,

                              struct sc_pkcs15_pubkey *pubkey)

{

  struct sc_card *card = p15card->card;

  sc_hsm_private_data_t *priv = (sc_hsm_private_data_t *) card->drv_data;

  struct sc_pkcs15_prkey_info *key_info = (struct sc_pkcs15_prkey_info *)object->data;

  sc_cardctl_sc_hsm_keygen_info_t sc_hsm_keyinfo;

  sc_cvc_t cvc;

  u8 *cvcbin, *cvcpo;

  unsigned int cla,tag;

  size_t taglen, cvclen;

  int r;

  LOG_FUNC_CALLED(p15card->card->ctx);

  key_info->key_reference = sc_hsm_determine_free_id(p15card, KEY_PREFIX);

  LOG_TEST_RET(card->ctx, key_info->key_reference, "Could not determine key reference");

  memset(&cvc, 0, sizeof(cvc));

  strlcpy(cvc.car, "UTCA00001", sizeof cvc.car);

  cvc.carLen = strlen(cvc.car);

  if (priv->serialno)

    strlcpy(cvc.chr, priv->serialno, sizeof cvc.chr);

  strlcat(cvc.chr, "00001", sizeof cvc.chr);

  cvc.chrLen = strlen(cvc.chr);

  switch(object->type) {

  case SC_PKCS15_TYPE_PRKEY_RSA:

    r = sc_hsm_encode_gakp_rsa(p15card, &cvc, key_info->modulus_length);

    break;

  case SC_PKCS15_TYPE_PRKEY_EC:

    r = sc_hsm_encode_gakp_ec(p15card, &cvc, key_info);

    break;

  default:

    r = SC_ERROR_NOT_IMPLEMENTED;

    break;

  }

  if (r != SC_SUCCESS) {

    sc_pkcs15emu_sc_hsm_free_cvc(&cvc);

    LOG_TEST_RET(p15card->card->ctx, r, "Could not encode GAKP cdata");

  }

  r = sc_pkcs15emu_sc_hsm_encode_cvc(p15card, &cvc, &cvcbin, &cvclen);

  sc_pkcs15emu_sc_hsm_free_cvc(&cvc);

  LOG_TEST_RET(p15card->card->ctx, r, "Could not encode GAKP cdata");

  cvcpo = cvcbin;

  sc_asn1_read_tag((const u8 **)&cvcpo, cvclen, &cla, &tag, &taglen);

  sc_asn1_read_tag((const u8 **)&cvcpo, cvclen, &cla, &tag, &taglen);

  sc_hsm_keyinfo.key_id = key_info->key_reference;

  sc_hsm_keyinfo.auth_key_id = 0;

  sc_hsm_keyinfo.gakprequest = cvcpo;

  sc_hsm_keyinfo.gakprequest_len = taglen;

  sc_hsm_keyinfo.gakpresponse = NULL;

  sc_hsm_keyinfo.gakpresponse_len = 0;

  r = sc_card_ctl(card, SC_CARDCTL_SC_HSM_GENERATE_KEY, &sc_hsm_keyinfo);

  if (r < 0)

    goto out;

  cvcpo = sc_hsm_keyinfo.gakpresponse;

  cvclen = sc_hsm_keyinfo.gakpresponse_len;

  r = sc_pkcs15emu_sc_hsm_decode_cvc(p15card, (const u8 **)&cvcpo, &cvclen, &cvc);

  if (r < 0) {

    sc_log(p15card->card->ctx, "Could not decode GAKP rdata");

    r = SC_ERROR_OBJECT_NOT_VALID;

    goto out;

  }

  r = sc_hsm_update_ef(p15card, EE_CERTIFICATE_PREFIX, key_info->key_reference, 1, sc_hsm_keyinfo.gakpresponse, sc_hsm_keyinfo.gakpresponse_len);

  if (r < 0) {

    sc_log(p15card->card->ctx, "Could not save certificate signing request");

    goto out;

  }

  if (pubkey != NULL) {

    r = sc_pkcs15emu_sc_hsm_get_public_key(p15card->card->ctx, &cvc, pubkey);

  }

  out:

  sc_pkcs15emu_sc_hsm_free_cvc(&cvc);

  if (cvcbin) {

    free(cvcbin);

  }

  if (sc_hsm_keyinfo.gakpresponse) {

    free(sc_hsm_keyinfo.gakpresponse);

  }

  LOG_FUNC_RETURN(p15card->card->ctx, r);

}

/*

 * Certificates with a related private key are stored in the fid range CE00 - CEFF. The

 * second byte in the fid matches the key id.

 * Certificates without a related private key (e.g. CA certificates) are stored in the fid range

 * CA00 - CAFF. The second byte is a free selected id.

 */

static int sc_hsm_emu_store_cert(struct sc_pkcs15_card *p15card, struct sc_profile *profile,

    struct sc_pkcs15_object *object,

    struct sc_pkcs15_der *data)

{

  struct sc_pkcs15_cert_info *cert_info = (struct sc_pkcs15_cert_info *) object->data;

  struct sc_pkcs15_object *prkey;

  sc_path_t path;

  u8 id[2];

  int r;

  r = sc_pkcs15_find_object_by_id(p15card, SC_PKCS15_TYPE_PRKEY, &cert_info->id , &prkey);

  if (r == SC_ERROR_OBJECT_NOT_FOUND) {

    r = sc_hsm_determine_free_id(p15card, CA_CERTIFICATE_PREFIX);

    LOG_TEST_RET(p15card->card->ctx, r, "Out of identifier to store certificate description");

    id[0] = CA_CERTIFICATE_PREFIX;

    id[1] = r;

  } else {

    LOG_TEST_RET(p15card->card->ctx, r, "Error locating matching private key");

    id[0] = EE_CERTIFICATE_PREFIX;

    id[1] = ((struct sc_pkcs15_prkey_info *)prkey->data)->key_reference;

  }

  sc_path_set(&path, SC_PATH_TYPE_FILE_ID, id, 2, 0, -1);

  cert_info->path = path;

  r = sc_hsm_update_ef(p15card, id[0], id[1], 1, data->value, data->len);

  return r;

}

static int sc_hsm_emu_delete_cert(struct sc_pkcs15_card *p15card, struct sc_profile *profile,

    struct sc_pkcs15_object *object)

{

  struct sc_pkcs15_cert_info *cert_info = (struct sc_pkcs15_cert_info *) object->data;

  return sc_hsm_delete_ef(p15card, cert_info->path.value[0], cert_info->path.value[1]);

}

static int sc_hsm_emu_store_binary(struct sc_pkcs15_card *p15card, struct sc_profile *profile,

    struct sc_pkcs15_object *object,

    struct sc_pkcs15_der *data)

{

  struct sc_pkcs15_data_info *data_info = (struct sc_pkcs15_data_info *) object->data;

  sc_path_t path;

  u8 id[2];

  int r;

  r = sc_hsm_determine_free_id(p15card, DCOD_PREFIX);

  LOG_TEST_RET(p15card->card->ctx, r, "Out of identifier to store data description");

  if (object->flags & SC_PKCS15_CO_FLAG_PRIVATE) {

    id[0] = PROT_DATA_PREFIX;

  } else {

    id[0] = DATA_PREFIX;

  }

  id[1] = r;

  sc_path_set(&path, SC_PATH_TYPE_FILE_ID, id, 2, 0, -1);

  data_info->path = path;

  r = sc_hsm_update_ef(p15card, id[0], id[1], 1, data->value, data->len);

  return r;

}

static int sc_hsm_emu_store_data(struct sc_pkcs15_card *p15card, struct sc_profile *profile,

    struct sc_pkcs15_object *object,

    struct sc_pkcs15_der *data, struct sc_path *path)

{

  struct sc_context *ctx = p15card->card->ctx;

  int r;

  LOG_FUNC_CALLED(ctx);

  switch (object->type & SC_PKCS15_TYPE_CLASS_MASK) {

  case SC_PKCS15_TYPE_PRKEY:

  case SC_PKCS15_TYPE_PUBKEY:

    r = SC_SUCCESS;

    break;

  case SC_PKCS15_TYPE_CERT:

    r = sc_hsm_emu_store_cert(p15card, profile, object, data);

    break;

  case SC_PKCS15_TYPE_DATA_OBJECT:

    r = sc_hsm_emu_store_binary(p15card, profile, object, data);

    break;

  default:

    r = SC_ERROR_NOT_IMPLEMENTED;

    break;

  }

  LOG_FUNC_RETURN(ctx, r);

}

static int sc_hsm_emu_delete_object(struct sc_profile *profile, struct sc_pkcs15_card *p15card,

    struct sc_pkcs15_object *object, const struct sc_path *path)

{

  struct sc_context *ctx = p15card->card->ctx;

  int r;

  LOG_FUNC_CALLED(ctx);

  switch (object->type & SC_PKCS15_TYPE_CLASS_MASK) {

  case SC_PKCS15_TYPE_PRKEY:

    r = sc_hsm_delete_ef(p15card, KEY_PREFIX, ((struct sc_pkcs15_prkey_info *)object->data)->key_reference);

    break;

  case SC_PKCS15_TYPE_CERT:

    r = sc_hsm_emu_delete_cert(p15card, profile, object);

    break;

  case SC_PKCS15_TYPE_DATA_OBJECT:

    r = sc_delete_file(p15card->card, path);

    break;

  case SC_PKCS15_TYPE_PUBKEY:

    r = SC_SUCCESS;

    break;

  default:

    r = SC_ERROR_NOT_IMPLEMENTED;

    break;

  }

  LOG_FUNC_RETURN(ctx, r);

}

static int sc_hsm_emu_update_prkd(struct sc_profile *profile, struct sc_pkcs15_card *p15card,

    struct sc_pkcs15_object *object)

{

  struct sc_pkcs15_prkey_info *key_info = (struct sc_pkcs15_prkey_info *)object->data;

  u8 *buf;

  size_t buflen;

  int r;

  // Don't save AID in PRKD

  key_info->path.aid.len = 0;

  r = sc_pkcs15_encode_prkdf_entry(p15card->card->ctx, object, &buf, &buflen);

  LOG_TEST_RET(p15card->card->ctx, r, "Error encoding PRKD entry");

  r = sc_hsm_update_ef(p15card, PRKD_PREFIX, key_info->key_reference, 0, buf, buflen);

  free(buf);

  return r;

}

static int sc_hsm_emu_update_dcod(struct sc_profile *profile, struct sc_pkcs15_card *p15card,

    struct sc_pkcs15_object *object)

{

  struct sc_pkcs15_data_info *data_info = (struct sc_pkcs15_data_info *) object->data;

  u8 *buf;

  size_t buflen;

  int r;

  r = sc_pkcs15_encode_dodf_entry(p15card->card->ctx, object, &buf, &buflen);

  LOG_TEST_RET(p15card->card->ctx, r, "Error encoding DCOD entry");

  r = sc_hsm_update_ef(p15card, DCOD_PREFIX, data_info->path.value[data_info->path.len - 1], 0, buf, buflen);

  free(buf);

  return r;

}

static int sc_hsm_emu_update_cd(struct sc_profile *profile, struct sc_pkcs15_card *p15card,

    struct sc_pkcs15_object *object)

{

  struct sc_pkcs15_cert_info *cert_info = (struct sc_pkcs15_cert_info *) object->data;

  u8 *buf;

  size_t buflen;

  int r;

  if ((cert_info->path.len < 2) ||

    ((cert_info->path.value[cert_info->path.len - 2]) != CA_CERTIFICATE_PREFIX)) {

    // Certificates associated with stored private keys don't get a separate CD entry

    return SC_SUCCESS;

  }

  r = sc_pkcs15_encode_cdf_entry(p15card->card->ctx, object, &buf, &buflen);

  LOG_TEST_RET(p15card->card->ctx, r, "Error encoding CD entry");

  r = sc_hsm_update_ef(p15card, CD_PREFIX, cert_info->path.value[cert_info->path.len - 1], 0, buf, buflen);

  free(buf);

  return r;

}

static int sc_hsm_emu_delete_cd(struct sc_profile *profile, struct sc_pkcs15_card *p15card,

    struct sc_pkcs15_object *object)

{

  struct sc_pkcs15_cert_info *cert_info = (struct sc_pkcs15_cert_info *) object->data;

  if ((cert_info->path.len < 2) ||

    ((cert_info->path.value[cert_info->path.len - 2]) != CA_CERTIFICATE_PREFIX)) {

    // Certificates associated with stored private keys don't get a separate CD entry

    return SC_SUCCESS;

  }

  return sc_hsm_delete_ef(p15card, CD_PREFIX, cert_info->path.value[cert_info->path.len - 1]);

}

static int sc_hsm_emu_update_any_df(struct sc_profile *profile, struct sc_pkcs15_card *p15card,

    unsigned op, struct sc_pkcs15_object *object)

{

  struct sc_context *ctx = p15card->card->ctx;

  int rv = SC_ERROR_NOT_SUPPORTED;

  SC_FUNC_CALLED(ctx, 1);

  switch(op)   {

  case SC_AC_OP_ERASE:

    sc_log(ctx, "Update DF; erase object('%s',type:%X)", object->label, object->type);

    switch(object->type & SC_PKCS15_TYPE_CLASS_MASK) {

    case SC_PKCS15_TYPE_PRKEY:

      rv = sc_hsm_delete_ef(p15card, PRKD_PREFIX, ((struct sc_pkcs15_prkey_info *)object->data)->key_reference);

      break;

    case SC_PKCS15_TYPE_PUBKEY:

      rv = SC_SUCCESS;

      break;

    case SC_PKCS15_TYPE_CERT:

      rv = sc_hsm_emu_delete_cd(profile, p15card, object);

      break;

    case SC_PKCS15_TYPE_DATA_OBJECT:

      rv = sc_hsm_delete_ef(p15card, DCOD_PREFIX, ((struct sc_pkcs15_data_info *)object->data)->path.value[1]);

      break;

    }

    break;

  case SC_AC_OP_UPDATE:

  case SC_AC_OP_CREATE:

    sc_log(ctx, "Update DF; create object('%s',type:%X)", object->label, object->type);

    switch(object->type & SC_PKCS15_TYPE_CLASS_MASK) {

    case SC_PKCS15_TYPE_PUBKEY:

      rv = SC_SUCCESS;

      break;

    case SC_PKCS15_TYPE_PRKEY:

      rv = sc_hsm_emu_update_prkd(profile, p15card, object);

      break;

    case SC_PKCS15_TYPE_CERT:

      rv = sc_hsm_emu_update_cd(profile, p15card, object);

      break;

    case SC_PKCS15_TYPE_DATA_OBJECT:

      rv = sc_hsm_emu_update_dcod(profile, p15card, object);

      break;

    }

    break;

  }

  SC_FUNC_RETURN(ctx, 1, rv);

}

static struct sc_pkcs15init_operations

sc_pkcs15init_sc_hsm_operations = {

  NULL,             /* erase_card */

  NULL,           /* init_card  */

  NULL,           /* create_dir */

  NULL,           /* create_domain */

  NULL,           /* select_pin_reference */

  NULL,           /* create_pin */

  NULL,           /* select key reference */

  sc_hsm_create_key,

  sc_hsm_store_key,

  sc_hsm_generate_key,

  NULL,           /* encode private key */

  NULL,           /* encode public key */

  NULL,           /* finalize_card */

  sc_hsm_emu_delete_object, /* delete object */

  NULL,           /* pkcs15init emulation update_dir */

  sc_hsm_emu_update_any_df, /* pkcs15init emulation update_any_df */

  NULL,           /* pkcs15init emulation update_tokeninfo */

  NULL,           /* pkcs15init emulation write_info */

  sc_hsm_emu_store_data,

  NULL,           /* sanity_check */

};

struct sc_pkcs15init_operations *

sc_pkcs15init_get_sc_hsm_ops(void)

{

  return &sc_pkcs15init_sc_hsm_operations;

}