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opensc/src/pkcs15init/pkcs15-oberthur.c

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/*
* Oberthur specific operation for PKCS #15 initialization
*
* Copyright (C) 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
*/
#include "pkcs15-oberthur.h"
#include <sys/types.h>
#include <ctype.h>
#include "libopensc/opensc.h"
#include "libopensc/cardctl.h"
#include "libopensc/log.h"
#include "profile.h"
#include "pkcs15-init.h"
#define COSM_TITLE "OberthurAWP"
#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_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)
#define COSM_TOKEN_FLAG_PRN_GENERATION 0x01
#define COSM_TOKEN_FLAG_LOGIN_REQUIRED 0x04
#define COSM_TOKEN_FLAG_USER_PIN_INITIALIZED 0x08
#define COSM_TOKEN_FLAG_TOKEN_INITIALIZED 0x0400
static int cosm_create_reference_data(struct sc_profile *, struct sc_pkcs15_card *,
struct sc_pkcs15_auth_info *, const unsigned char *, size_t,
const unsigned char *, size_t);
static int cosm_update_pin(struct sc_profile *, struct sc_pkcs15_card *,
struct sc_pkcs15_auth_info *, const unsigned char *, size_t,
const unsigned char *, size_t);
static int
cosm_write_tokeninfo (struct sc_pkcs15_card *p15card, struct sc_profile *profile,
char *label, unsigned flags)
{
struct sc_context *ctx;
struct sc_file *file = NULL;
int rv;
size_t sz;
char *buffer = NULL;
if (!p15card || !p15card->card || !profile)
return SC_ERROR_INVALID_ARGUMENTS;
ctx = p15card->card->ctx;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (sc_profile_get_file(profile, COSM_TITLE"-token-info", &file)) {
rv = SC_ERROR_INCONSISTENT_PROFILE;
SC_TEST_GOTO_ERR(ctx, SC_LOG_DEBUG_VERBOSE, rv, "Cannot find "COSM_TITLE"-token-info");
}
if (file->size < 16) {
rv = SC_ERROR_INCONSISTENT_PROFILE;
SC_TEST_GOTO_ERR(ctx, SC_LOG_DEBUG_VERBOSE, rv, "Insufficient size of the "COSM_TITLE"-token-info file");
}
buffer = calloc(1, file->size);
if (!buffer) {
rv = SC_ERROR_OUT_OF_MEMORY;
SC_TEST_GOTO_ERR(ctx, SC_LOG_DEBUG_VERBOSE, rv, "Allocation error in cosm_write_tokeninfo()");
}
if (label)
strncpy(buffer, label, file->size - 4);
else if (p15card->tokeninfo->label)
snprintf(buffer, file->size - 4, "%s", p15card->tokeninfo->label);
else if (profile->p15_spec && profile->p15_spec->tokeninfo->label)
snprintf(buffer, file->size - 4, "%s", profile->p15_spec->tokeninfo->label);
else
snprintf(buffer, file->size - 4, "OpenSC-Token");
sz = strlen(buffer);
if (sz < file->size - 4)
memset(buffer + sz, ' ', file->size - sz);
sc_log(ctx, "cosm_write_tokeninfo() token label '%s'; oberthur flags 0x%X", buffer, flags);
memset(buffer + file->size - 4, 0, 4);
*(buffer + file->size - 1) = flags & 0xFF;
*(buffer + file->size - 2) = (flags >> 8) & 0xFF;
rv = sc_pkcs15init_update_file(profile, p15card, file, buffer, file->size);
if (rv > 0)
rv = 0;
err:
sc_file_free(file);
free(buffer);
LOG_FUNC_RETURN(ctx, rv);
}
int
cosm_delete_file(struct sc_pkcs15_card *p15card, struct sc_profile *profile,
struct sc_file *df)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_path path;
struct sc_file *parent;
int rv = 0;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
sc_log(ctx, "id %04X", df->id);
if (df->type==SC_FILE_TYPE_DF) {
rv = sc_pkcs15init_authenticate(profile, p15card, df, SC_AC_OP_DELETE);
LOG_TEST_RET(ctx, rv, "Cannot authenticate SC_AC_OP_DELETE");
}
/* Select the parent DF */
path = df->path;
path.len -= 2;
rv = sc_select_file(p15card->card, &path, &parent);
LOG_TEST_RET(ctx, rv, "Cannot select parent");
rv = sc_pkcs15init_authenticate(profile, p15card, parent, SC_AC_OP_DELETE);
sc_file_free(parent);
LOG_TEST_RET(ctx, rv, "Cannot authenticate SC_AC_OP_DELETE");
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(p15card->card, &path);
LOG_FUNC_RETURN(ctx, rv);
}
/*
* Erase the card
*/
static int
cosm_erase_card(struct sc_profile *profile, struct sc_pkcs15_card *p15card)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_file *df = profile->df_info->file, *dir;
int rv;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
/* 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.
* */
if (sc_profile_get_file(profile, "DIR", &dir) >= 0) {
sc_log(ctx, "erase file dir %04X",dir->id);
rv = cosm_delete_file(p15card, profile, dir);
sc_file_free(dir);
if (rv < 0 && rv != SC_ERROR_FILE_NOT_FOUND)
goto done;
}
sc_log(ctx, "erase file ddf %04X",df->id);
rv = cosm_delete_file(p15card, profile, df);
if (rv < 0 && rv != SC_ERROR_FILE_NOT_FOUND)
goto done;
if (sc_profile_get_file(profile, "private-DF", &dir) >= 0) {
sc_log(ctx, "erase file dir %04X",dir->id);
rv = cosm_delete_file(p15card, profile, dir);
sc_file_free(dir);
if (rv < 0 && rv != SC_ERROR_FILE_NOT_FOUND)
goto done;
}
if (sc_profile_get_file(profile, "public-DF", &dir) >= 0) {
sc_log(ctx, "erase file dir %04X",dir->id);
rv = cosm_delete_file(p15card, profile, dir);
sc_file_free(dir);
if (rv < 0 && rv != SC_ERROR_FILE_NOT_FOUND)
goto done;
}
rv = sc_profile_get_file(profile, COSM_TITLE"-AppDF", &dir);
if (!rv) {
sc_log(ctx, "delete %s; r %i", COSM_TITLE"-AppDF", rv);
rv = cosm_delete_file(p15card, profile, dir);
sc_file_free(dir);
}
sc_free_apps(p15card->card);
done:
if (rv == SC_ERROR_FILE_NOT_FOUND)
rv = 0;
LOG_FUNC_RETURN(ctx, rv);
}
static int
cosm_create_dir(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_file *df)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_file *file = NULL;
size_t ii;
int rv;
static const char *create_dfs[] = {
COSM_TITLE"-AppDF",
"private-DF",
"public-DF",
COSM_TITLE"-token-info",
COSM_TITLE"-puk-file",
COSM_TITLE"-container-list",
COSM_TITLE"-public-list",
COSM_TITLE"-private-list",
NULL
};
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
/* Oberthur AWP file system is expected.*/
/* Create private objects DF */
for (ii = 0; create_dfs[ii]; ii++) {
if (sc_profile_get_file(profile, create_dfs[ii], &file)) {
sc_log(ctx, "Inconsistent profile: cannot find %s", create_dfs[ii]);
LOG_TEST_RET(ctx, SC_ERROR_INCONSISTENT_PROFILE, "Profile do not contains Oberthur AWP file");
}
rv = sc_pkcs15init_create_file(profile, p15card, file);
sc_file_free(file);
if (rv != SC_ERROR_FILE_ALREADY_EXISTS)
LOG_TEST_RET(ctx, rv, "Failed to create Oberthur AWP file");
}
rv = cosm_write_tokeninfo(p15card, profile, NULL,
COSM_TOKEN_FLAG_TOKEN_INITIALIZED | COSM_TOKEN_FLAG_PRN_GENERATION);
LOG_FUNC_RETURN(ctx, rv);
}
static int
cosm_create_reference_data(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_auth_info *ainfo,
const unsigned char *pin, size_t pin_len,
const unsigned char *puk, size_t puk_len )
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_card *card = p15card->card;
struct sc_pkcs15_auth_info profile_auth_pin, profile_auth_puk;
struct sc_cardctl_oberthur_createpin_info args;
int rv;
unsigned char oberthur_puk[16] = {
0x6F, 0x47, 0xD9, 0x88, 0x4B, 0x6F, 0x9D, 0xC5,
0x78, 0x33, 0x79, 0x8F, 0x5B, 0x7D, 0xE1, 0xA5
};
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
sc_log(ctx,
"pin lens %"SC_FORMAT_LEN_SIZE_T"u/%"SC_FORMAT_LEN_SIZE_T"u",
pin_len, puk_len);
if (!pin || pin_len>0x40)
return SC_ERROR_INVALID_ARGUMENTS;
if (puk && !puk_len)
return SC_ERROR_INVALID_ARGUMENTS;
if (ainfo->auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return SC_ERROR_OBJECT_NOT_VALID;
rv = sc_select_file(card, &ainfo->path, NULL);
LOG_TEST_RET(ctx, rv, "Cannot select file");
sc_profile_get_pin_info(profile, SC_PKCS15INIT_USER_PIN, &profile_auth_pin);
sc_profile_get_pin_info(profile, SC_PKCS15INIT_USER_PUK, &profile_auth_puk);
memset(&args, 0, sizeof(args));
args.type = SC_AC_CHV;
args.ref = ainfo->attrs.pin.reference;
args.pin = pin;
args.pin_len = pin_len;
if (!(ainfo->attrs.pin.flags & SC_PKCS15_PIN_FLAG_UNBLOCKING_PIN)) {
args.pin_tries = profile_auth_pin.tries_left;
if (profile_auth_puk.tries_left > 0) {
args.puk = oberthur_puk;
args.puk_len = sizeof(oberthur_puk);
args.puk_tries = 5;
}
}
else {
args.pin_tries = profile_auth_puk.tries_left;
}
rv = sc_card_ctl(card, SC_CARDCTL_OBERTHUR_CREATE_PIN, &args);
LOG_TEST_RET(ctx, rv, "'CREATE_PIN' card specific command failed");
if (!(ainfo->attrs.pin.flags & SC_PKCS15_PIN_FLAG_UNBLOCKING_PIN)
&& (profile_auth_puk.tries_left > 0)) {
struct sc_file *file = NULL;
if (sc_profile_get_file(profile, COSM_TITLE"-puk-file", &file))
LOG_TEST_RET(ctx, SC_ERROR_INCONSISTENT_PROFILE, "Cannot find PUKFILE");
rv = sc_pkcs15init_update_file(profile, p15card, file, oberthur_puk, sizeof(oberthur_puk));
LOG_TEST_RET(ctx, rv, "Failed to update pukfile");
sc_file_free(file);
}
LOG_FUNC_RETURN(ctx, rv);
}
/*
* Update PIN
*/
static int
cosm_update_pin(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_auth_info *ainfo, const unsigned char *pin, size_t pin_len,
const unsigned char *puk, size_t puk_len )
{
struct sc_context *ctx = p15card->card->ctx;
int rv;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (ainfo->auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return SC_ERROR_OBJECT_NOT_VALID;
sc_log(ctx, "ref %i; flags 0x%X", ainfo->attrs.pin.reference, ainfo->attrs.pin.flags);
if (ainfo->attrs.pin.flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
if (ainfo->attrs.pin.reference != 4)
LOG_TEST_RET(ctx, SC_ERROR_INVALID_PIN_REFERENCE, "cosm_update_pin() invalid SOPIN reference");
sc_log(ctx, "Update SOPIN ignored");
rv = SC_SUCCESS;
}
else {
rv = cosm_create_reference_data(profile, p15card, ainfo, pin, pin_len, puk, puk_len);
LOG_TEST_RET(ctx, rv, "cosm_update_pin() failed to change PIN");
rv = cosm_write_tokeninfo(p15card, profile, NULL,
COSM_TOKEN_FLAG_TOKEN_INITIALIZED
| COSM_TOKEN_FLAG_PRN_GENERATION
| COSM_TOKEN_FLAG_LOGIN_REQUIRED
| COSM_TOKEN_FLAG_USER_PIN_INITIALIZED);
LOG_TEST_RET(ctx, rv, "cosm_update_pin() failed to update tokeninfo");
}
LOG_FUNC_RETURN(ctx, rv);
}
static int
cosm_select_pin_reference(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_auth_info *auth_info)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_pin_attributes *pin_attrs;
struct sc_file *pinfile;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (auth_info->auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return SC_ERROR_OBJECT_NOT_VALID;
pin_attrs = &auth_info->attrs.pin;
sc_log(ctx, "ref %i; flags %X", pin_attrs->reference, pin_attrs->flags);
if (sc_profile_get_file(profile, COSM_TITLE "-AppDF", &pinfile) < 0) {
sc_log(ctx, "Profile doesn't define \"%s\"", COSM_TITLE "-AppDF");
return SC_ERROR_INCONSISTENT_PROFILE;
}
if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_LOCAL)
auth_info->path = pinfile->path;
sc_file_free(pinfile);
if (pin_attrs->reference <= 0) {
if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_SO_PIN)
pin_attrs->reference = 4;
else if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_UNBLOCKING_PIN)
pin_attrs->reference = 4;
else
pin_attrs->reference = 1;
if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_LOCAL)
pin_attrs->reference |= 0x80;
}
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
/*
* Store a PIN
*/
static int
cosm_create_pin(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_file *df, struct sc_pkcs15_object *pin_obj,
const unsigned char *pin, size_t pin_len,
const unsigned char *puk, size_t puk_len)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_auth_info *auth_info = (struct sc_pkcs15_auth_info *) pin_obj->data;
struct sc_pkcs15_pin_attributes *pin_attrs;
struct sc_file *pin_file;
int rv = 0;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (auth_info->auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return SC_ERROR_OBJECT_NOT_VALID;
pin_attrs = &auth_info->attrs.pin;
sc_log(ctx, "create '%.*s'; ref 0x%X; flags %X", (int) sizeof pin_obj->label, pin_obj->label, pin_attrs->reference, pin_attrs->flags);
if (sc_profile_get_file(profile, COSM_TITLE "-AppDF", &pin_file) < 0)
LOG_TEST_RET(ctx, SC_ERROR_INCONSISTENT_PROFILE, "\""COSM_TITLE"-AppDF\" not defined");
if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_LOCAL)
auth_info->path = pin_file->path;
sc_file_free(pin_file);
if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_SO_PIN) {
if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_UNBLOCKING_PIN) {
LOG_TEST_RET(ctx, SC_ERROR_NOT_SUPPORTED, "SOPIN unblocking is not supported");
}
else {
if (pin_attrs->reference != 4)
LOG_TEST_RET(ctx, SC_ERROR_INVALID_PIN_REFERENCE, "Invalid SOPIN reference");
}
}
else {
if (pin_attrs->flags & SC_PKCS15_PIN_FLAG_UNBLOCKING_PIN) {
if (pin_attrs->reference != 0x84)
LOG_TEST_RET(ctx, SC_ERROR_INVALID_PIN_REFERENCE, "Invalid User PUK reference");
}
else {
if (pin_attrs->reference != 0x81)
LOG_TEST_RET(ctx, SC_ERROR_INVALID_PIN_REFERENCE, "Invalid User PIN reference");
}
}
if (pin && pin_len) {
rv = cosm_update_pin(profile, p15card, auth_info, pin, pin_len, puk, puk_len);
LOG_TEST_RET(ctx, rv, "Update PIN failed");
}
LOG_FUNC_RETURN(ctx, rv);
}
/*
* Allocate a file
*/
static int
cosm_new_file(struct sc_profile *profile, struct sc_card *card,
unsigned int type, unsigned int num, struct sc_file **out)
{
struct sc_file *file;
const char *_template = NULL, *desc = NULL;
unsigned int structure = 0xFFFFFFFF;
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
sc_log(card->ctx, "cosm_new_file() type %X; num %i",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_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_log(card->ctx, "File type %X not supported by card driver",
type);
return SC_ERROR_INVALID_ARGUMENTS;
}
type &= SC_PKCS15_TYPE_CLASS_MASK;
}
sc_log(card->ctx, "cosm_new_file() template %s; num %i",_template, num);
if (sc_profile_get_file(profile, _template, &file) < 0) {
sc_log(card->ctx, "Profile doesn't define %s template '%s'",
desc, _template);
LOG_FUNC_RETURN(card->ctx, 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_log(card->ctx,
"cosm_new_file() file size %"SC_FORMAT_LEN_SIZE_T"u; ef type %i/%i; id %04X",
file->size, file->type, file->ef_structure, file->id);
*out = file;
LOG_FUNC_RETURN(card->ctx, SC_SUCCESS);
}
static int
cosm_get_temporary_public_key_file(struct sc_card *card,
struct sc_file *prvkey_file, struct sc_file **pubkey_file)
{
struct sc_context *ctx = card->ctx;
const struct sc_acl_entry *entry = NULL;
struct sc_file *file = NULL;
int rv;
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
if (!pubkey_file || !prvkey_file)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_INVALID_ARGUMENTS);
file = sc_file_new();
if (!file)
LOG_FUNC_RETURN(card->ctx, SC_ERROR_OUT_OF_MEMORY);
file->status = SC_FILE_STATUS_ACTIVATED;
file->type = SC_FILE_TYPE_INTERNAL_EF;
file->ef_structure = SC_CARDCTL_OBERTHUR_KEY_RSA_PUBLIC;
file->id = 0x1012;
memcpy(&file->path, &prvkey_file->path, sizeof(file->path));
file->path.value[file->path.len - 2] = 0x10;
file->path.value[file->path.len - 1] = 0x12;
file->size = prvkey_file->size;
entry = sc_file_get_acl_entry(prvkey_file, SC_AC_OP_UPDATE);
rv = sc_file_add_acl_entry(file, SC_AC_OP_UPDATE, entry->method, entry->key_ref);
if (!rv)
rv = sc_file_add_acl_entry(file, SC_AC_OP_PSO_ENCRYPT, SC_AC_NONE, 0);
if (!rv)
rv = sc_file_add_acl_entry(file, SC_AC_OP_PSO_VERIFY_SIGNATURE, SC_AC_NONE, 0);
if (!rv)
rv = sc_file_add_acl_entry(file, SC_AC_OP_EXTERNAL_AUTHENTICATE, SC_AC_NONE, 0);
if (rv < 0)
sc_file_free(file);
LOG_TEST_RET(ctx, rv, "Failed to add ACL entry to the temporary public key file");
*pubkey_file = file;
LOG_FUNC_RETURN(card->ctx, rv);
}
static int
cosm_generate_key(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *object,
struct sc_pkcs15_pubkey *pubkey)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_prkey_info *key_info = (struct sc_pkcs15_prkey_info *)object->data;
struct sc_cardctl_oberthur_genkey_info args;
struct sc_file *prkf = NULL, *tmpf = NULL;
struct sc_path path;
int rv = 0;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (object->type != SC_PKCS15_TYPE_PRKEY_RSA)
LOG_TEST_RET(ctx, SC_ERROR_NOT_SUPPORTED, "Generate key failed: RSA only supported");
path = key_info->path;
path.len -= 2;
rv = sc_select_file(p15card->card, &path, &tmpf);
LOG_TEST_RET(ctx, rv, "Cannot generate key: failed to select private object DF");
rv = sc_pkcs15init_authenticate(profile, p15card, tmpf, SC_AC_OP_CRYPTO);
LOG_TEST_RET(ctx, rv, "Cannot generate key: 'CRYPTO' authentication failed");
rv = sc_pkcs15init_authenticate(profile, p15card, tmpf, SC_AC_OP_CREATE);
LOG_TEST_RET(ctx, rv, "Cannot generate key: 'CREATE' authentication failed");
sc_file_free(tmpf);
rv = sc_select_file(p15card->card, &key_info->path, &prkf);
LOG_TEST_RET(ctx, rv, "Failed to generate key: cannot select private key file");
/* In the private key DF create the temporary public RSA file. */
rv = cosm_get_temporary_public_key_file(p15card->card, prkf, &tmpf);
LOG_TEST_RET(ctx, rv, "Error while getting temporary public key file");
rv = sc_pkcs15init_create_file(profile, p15card, tmpf);
LOG_TEST_RET(ctx, rv, "cosm_generate_key() failed to create temporary public key EF");
memset(&args, 0, sizeof(args));
args.id_prv = prkf->id;
args.id_pub = tmpf->id;
args.exponent = 0x10001;
args.key_bits = key_info->modulus_length;
args.pubkey_len = key_info->modulus_length / 8;
args.pubkey = malloc(key_info->modulus_length / 8);
if (!args.pubkey)
LOG_TEST_RET(ctx, SC_ERROR_OUT_OF_MEMORY, "cosm_generate_key() cannot allocate pubkey");
rv = sc_card_ctl(p15card->card, SC_CARDCTL_OBERTHUR_GENERATE_KEY, &args);
LOG_TEST_RET(ctx, rv, "cosm_generate_key() CARDCTL_OBERTHUR_GENERATE_KEY failed");
/* extract public key */
pubkey->algorithm = SC_ALGORITHM_RSA;
pubkey->u.rsa.modulus.len = key_info->modulus_length / 8;
pubkey->u.rsa.modulus.data = malloc(key_info->modulus_length / 8);
if (!pubkey->u.rsa.modulus.data)
LOG_TEST_RET(ctx, SC_ERROR_OUT_OF_MEMORY, "cosm_generate_key() cannot allocate modulus buf");
/* FIXME and if the exponent length is not 3? */
pubkey->u.rsa.exponent.len = 3;
pubkey->u.rsa.exponent.data = malloc(3);
if (!pubkey->u.rsa.exponent.data)
LOG_TEST_RET(ctx, SC_ERROR_OUT_OF_MEMORY, "cosm_generate_key() cannot allocate exponent buf");
memcpy(pubkey->u.rsa.exponent.data, "\x01\x00\x01", 3);
memcpy(pubkey->u.rsa.modulus.data, args.pubkey, args.pubkey_len);
key_info->key_reference = prkf->path.value[prkf->path.len - 1] & 0xFF;
key_info->path = prkf->path;
sc_log(ctx, "cosm_generate_key() now delete temporary public key");
rv = cosm_delete_file(p15card, profile, tmpf);
sc_file_free(tmpf);
sc_file_free(prkf);
LOG_FUNC_RETURN(ctx, rv);
}
/*
* Create private key file
*/
static int
cosm_create_key(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *object)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_prkey_info *key_info = (struct sc_pkcs15_prkey_info *)object->data;
struct sc_file *file = NULL;
int rv = 0;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (object->type != SC_PKCS15_TYPE_PRKEY_RSA)
LOG_TEST_RET(ctx, SC_ERROR_NOT_SUPPORTED, "Create key failed: RSA only supported");
sc_log(ctx, "create private key ID:%s", sc_pkcs15_print_id(&key_info->id));
/* Here, the path of private key file should be defined.
* Nevertheless, we need to instantiate private key to get the ACLs. */
rv = cosm_new_file(profile, p15card->card, SC_PKCS15_TYPE_PRKEY_RSA, key_info->key_reference, &file);
LOG_TEST_RET(ctx, rv, "Cannot create key: failed to allocate new key object");
file->size = key_info->modulus_length;
memcpy(&file->path, &key_info->path, sizeof(file->path));
file->id = file->path.value[file->path.len - 2] * 0x100
+ file->path.value[file->path.len - 1];
sc_log(ctx, "Path of private key file to create %s", sc_print_path(&file->path));
rv = sc_select_file(p15card->card, &file->path, NULL);
if (rv == 0) {
rv = cosm_delete_file(p15card, profile, file);
SC_TEST_GOTO_ERR(ctx, SC_LOG_DEBUG_VERBOSE, rv, "Failed to delete private key file");
}
else if (rv != SC_ERROR_FILE_NOT_FOUND) {
SC_TEST_GOTO_ERR(ctx, SC_LOG_DEBUG_VERBOSE, rv, "Select private key file error");
}
rv = sc_pkcs15init_create_file(profile, p15card, file);
SC_TEST_GOTO_ERR(ctx, SC_LOG_DEBUG_VERBOSE, rv, "Failed to create private key file");
key_info->key_reference = file->path.value[file->path.len - 1];
err:
sc_file_free(file);
LOG_FUNC_RETURN(ctx, rv);
}
/*
* Store a private key
*/
static int
cosm_store_key(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *object,
struct sc_pkcs15_prkey *prkey)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_prkey_info *key_info = (struct sc_pkcs15_prkey_info *)object->data;
struct sc_file *file = NULL;
struct sc_cardctl_oberthur_updatekey_info update_info;
int rv = 0;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (object->type != SC_PKCS15_TYPE_PRKEY_RSA || prkey->algorithm != SC_ALGORITHM_RSA)
LOG_TEST_RET(ctx, SC_ERROR_NOT_SUPPORTED, "Store key failed: RSA only supported");
sc_log(ctx, "store key with ID:%s and path:%s", sc_pkcs15_print_id(&key_info->id),
sc_print_path(&key_info->path));
rv = sc_select_file(p15card->card, &key_info->path, &file);
LOG_TEST_RET(ctx, rv, "Cannot store key: select key file failed");
rv = sc_pkcs15init_authenticate(profile, p15card, file, SC_AC_OP_UPDATE);
LOG_TEST_RET(ctx, rv, "No authorisation to store private key");
if (key_info->id.len > sizeof(update_info.id))
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
memset(&update_info, 0, sizeof(update_info));
update_info.type = SC_CARDCTL_OBERTHUR_KEY_RSA_CRT;
update_info.data = (void *)&prkey->u.rsa;
update_info.data_len = sizeof(void *);
update_info.id_len = key_info->id.len;
memcpy(update_info.id, key_info->id.value, update_info.id_len);
rv = sc_card_ctl(p15card->card, SC_CARDCTL_OBERTHUR_UPDATE_KEY, &update_info);
LOG_TEST_RET(ctx, rv, "Cannot update private key");
sc_file_free(file);
LOG_FUNC_RETURN(ctx, rv);
}
#ifdef ENABLE_OPENSSL
static int
cosm_emu_update_dir (struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_app_info *info)
{
SC_FUNC_CALLED(p15card->card->ctx, 1);
/* No DIR file in the native Oberthur card */
SC_FUNC_RETURN(p15card->card->ctx, 1, SC_SUCCESS);
}
static int
cosm_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)", (int) sizeof object->label, object->label, object->type);
rv = awp_update_df_delete(p15card, profile, object);
break;
case SC_AC_OP_CREATE:
sc_log(ctx, "Update DF; create object('%.*s',type:%X)", (int) sizeof object->label, object->label, object->type);
rv = awp_update_df_create(p15card, profile, object);
break;
}
SC_FUNC_RETURN(ctx, 1, rv);
}
static int
cosm_emu_update_tokeninfo(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_tokeninfo *tinfo)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_file *file = NULL;
int rv, flags = 0, label_len;
unsigned char *buf = NULL;
SC_FUNC_CALLED(ctx, 1);
if (sc_profile_get_file(profile, COSM_TITLE"-token-info", &file))
LOG_TEST_RET(ctx, SC_ERROR_INCONSISTENT_PROFILE, "cannot find "COSM_TITLE"-token-info");
buf = calloc(1, file->size);
if (!buf) {
sc_file_free(file);
SC_FUNC_RETURN(ctx, 1, SC_ERROR_OUT_OF_MEMORY);
}
label_len = strlen(tinfo->label) > (file->size - 4) ? (file->size - 4) : strlen(tinfo->label);
memcpy(buf, tinfo->label, label_len);
memset(buf + label_len, ' ', file->size - 4 - label_len);
/* current PKCS#11 flags should be read from the token,
* but for simplicity assume that user-pin is already initialised -- Andre 2010-10-05
*/
flags = COSM_TOKEN_FLAG_TOKEN_INITIALIZED
| COSM_TOKEN_FLAG_USER_PIN_INITIALIZED
| COSM_TOKEN_FLAG_LOGIN_REQUIRED
| COSM_TOKEN_FLAG_PRN_GENERATION;
memset(buf + file->size - 4, 0, 4);
*(buf + file->size - 1) = flags % 0x100;
*(buf + file->size - 2) = (flags % 0x10000) / 0x100;
sc_log(ctx, "Update token info (label:'%s',flags:%X,p15card->flags:%X)", buf, flags, p15card->flags);
rv = sc_pkcs15init_update_file(profile, p15card, file, buf, file->size);
free(buf);
sc_file_free(file);
if (rv > 0)
rv = 0;
SC_FUNC_RETURN(ctx, 1, rv);
}
static int
cosm_emu_write_info(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *pin_obj)
{
SC_FUNC_CALLED(p15card->card->ctx, 1);
/* No OpenSC Info file in the native Oberthur card */
SC_FUNC_RETURN(p15card->card->ctx, 1, SC_SUCCESS);
}
#endif
static struct sc_pkcs15init_operations
sc_pkcs15init_oberthur_operations = {
cosm_erase_card,
NULL, /* init_card */
cosm_create_dir, /* create_dir */
NULL, /* create_domain */
cosm_select_pin_reference,
cosm_create_pin,
NULL, /* select_key_reference */
cosm_create_key, /* create_key */
cosm_store_key, /* store_key */
cosm_generate_key, /* generate_key */
NULL,
NULL, /* encode private/public key */
NULL, /* finalize_card */
NULL, /* delete_object */
#ifdef ENABLE_OPENSSL
cosm_emu_update_dir,
cosm_emu_update_any_df,
cosm_emu_update_tokeninfo,
cosm_emu_write_info,
NULL,
NULL
#else
NULL, NULL, NULL, NULL, NULL,
NULL
#endif
};
struct sc_pkcs15init_operations *
sc_pkcs15init_get_oberthur_ops(void)
{
return &sc_pkcs15init_oberthur_operations;
}
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