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pkcs15-iasecc.c
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pkcs15-iasecc.c
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/*
* IAS/ECC specific operations for PKCS #15 initialization
*
* Copyright (C) 2002 Juha Yrjölä <juha.yrjola@iki.fi>
* Copyright (C) 2010 Viktor Tarasov <vtarasov@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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef ENABLE_OPENSSL /* empty file without openssl */
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <openssl/bn.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/sha.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include <openssl/pkcs12.h>
#include "../libopensc/opensc.h"
#include "../libopensc/cardctl.h"
#include "../libopensc/log.h"
#include "../libopensc/pkcs15.h"
#include "../libopensc/cards.h"
#include "../libopensc/iasecc.h"
#include "../libopensc/iasecc-sdo.h"
#include "pkcs15-init.h"
#include "profile.h"
#define IASECC_TITLE "IASECC"
static int iasecc_md_gemalto_delete_prvkey(struct sc_pkcs15_card *, struct sc_profile *, struct sc_pkcs15_object *);
static void
iasecc_reference_to_pkcs15_id (unsigned int ref, struct sc_pkcs15_id *id)
{
int ii, sz;
for (ii=0, sz = 0; (unsigned)ii < sizeof(unsigned int); ii++)
if (ref >> 8*ii)
sz++;
for (ii=0; ii < sz; ii++)
id->value[sz - ii - 1] = (ref >> 8*ii) & 0xFF;
id->len = sz;
}
int
iasecc_pkcs15_delete_file(struct sc_pkcs15_card *p15card, struct sc_profile *profile,
struct sc_file *df)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_card *card = p15card->card;
struct sc_path path;
unsigned long caps = card->caps;
int rv = 0;
LOG_FUNC_CALLED(ctx);
sc_log(ctx, "iasecc_pkcs15_delete_file() id %04X\n", df->id);
card->caps |= SC_CARD_CAP_USE_FCI_AC;
rv = sc_pkcs15init_authenticate(profile, p15card, df, SC_AC_OP_DELETE);
card->caps = caps;
LOG_TEST_RET(ctx, rv, "Cannnot 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(card, &path);
LOG_FUNC_RETURN(ctx, rv);
}
/*
* Erase the card
*
*/
static int
iasecc_pkcs15_erase_card(struct sc_profile *profile, struct sc_pkcs15_card *p15card)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_file *file = NULL;
struct sc_path path;
struct sc_pkcs15_df *df;
int rv;
LOG_FUNC_CALLED(ctx);
if (p15card->app->ddo.aid.len) {
memset(&path, 0, sizeof(struct sc_path));
path.type = SC_PATH_TYPE_DF_NAME;
memcpy(path.value, p15card->app->ddo.aid.value, p15card->app->ddo.aid.len);
path.len = p15card->app->ddo.aid.len;
sc_log(ctx, "Select DDO AID: %s", sc_print_path(&path));
rv = sc_select_file(p15card->card, &path, NULL);
LOG_TEST_RET(ctx, rv, "Erase application error: cannot select DDO AID");
}
for (df = p15card->df_list; df; df = df->next) {
struct sc_pkcs15_object *objs[32];
unsigned obj_type = 0;
int ii;
if (df->type == SC_PKCS15_PRKDF)
obj_type = SC_PKCS15_TYPE_PRKEY;
else if (df->type == SC_PKCS15_PUKDF)
obj_type = SC_PKCS15_TYPE_PUBKEY;
else if (df->type == SC_PKCS15_CDF)
obj_type = SC_PKCS15_TYPE_CERT;
else if (df->type == SC_PKCS15_DODF)
obj_type = SC_PKCS15_TYPE_DATA_OBJECT;
else
continue;
rv = sc_pkcs15_get_objects(p15card, obj_type, objs, 32);
LOG_TEST_RET(ctx, rv, "Failed to get PKCS#15 objects to remove");
for (ii=0; ii<rv; ii++) {
if (obj_type == SC_PKCS15_TYPE_CERT) {
struct sc_path path = ((struct sc_pkcs15_cert_info *)(objs[ii]->data))->path;
rv = sc_delete_file(p15card->card, &path);
}
else if (obj_type == SC_PKCS15_TYPE_DATA_OBJECT) {
struct sc_path path = ((struct sc_pkcs15_data_info *)(objs[ii]->data))->path;
rv = sc_delete_file(p15card->card, &path);
}
sc_pkcs15_remove_object(p15card, objs[ii]);
}
rv = sc_select_file(p15card->card, &df->path, &file);
if (rv == SC_ERROR_FILE_NOT_FOUND)
continue;
LOG_TEST_RET(ctx, rv, "Cannot select object file");
profile->dirty = 1;
rv = sc_erase_binary(p15card->card, 0, file->size, 0);
if (rv == SC_ERROR_SECURITY_STATUS_NOT_SATISFIED) {
rv = sc_pkcs15init_authenticate(profile, p15card, file, SC_AC_OP_UPDATE);
LOG_TEST_RET(ctx, rv, "SC_AC_OP_UPDATE authentication failed");
rv = sc_erase_binary(p15card->card, 0, file->size, 0);
}
LOG_TEST_RET(ctx, rv, "Binary erase error");
sc_file_free(file);
}
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
/*
* Allocate a file
*/
static int
iasecc_pkcs15_new_file(struct sc_profile *profile, struct sc_card *card,
unsigned int type, unsigned int num, struct sc_file **out)
{
struct sc_context *ctx = card->ctx;
struct sc_file *file = NULL;
const char *_template = NULL;
int rv;
LOG_FUNC_CALLED(ctx);
sc_log(ctx, "type %X; num %i\n", type, num);
switch (type) {
case SC_PKCS15_TYPE_PRKEY_RSA:
_template = "private-key";
break;
case SC_PKCS15_TYPE_PUBKEY_RSA:
_template = "public-key";
break;
case SC_PKCS15_TYPE_CERT:
_template = "certificate";
break;
case SC_PKCS15_TYPE_DATA_OBJECT:
_template = "public-data";
break;
default:
LOG_TEST_RET(ctx, SC_ERROR_NOT_SUPPORTED, "Profile template not supported");
}
sc_log(ctx, "df_info path '%s'\n", sc_print_path(&profile->df_info->file->path));
rv = sc_profile_get_file(profile, _template, &file);
if (rv == SC_ERROR_FILE_NOT_FOUND) {
struct sc_pkcs15_id id;
id.len = 1;
id.value[0] = num & 0xFF;
rv = sc_profile_instantiate_template(profile, "key-domain", &profile->df_info->file->path,
_template, &id, &file);
}
LOG_TEST_RET(ctx, rv, "Error when getting file from template");
sc_log(ctx, "path(type:%X;path:%s)\n", file->path.type, sc_print_path(&file->path));
file->id = (file->id & 0xFF00) | (num & 0xFF);
if (file->path.len == 0) {
file->path.type = SC_PATH_TYPE_FILE_ID;
file->path.len = 2;
}
file->path.value[file->path.len - 2] = (file->id >> 8) & 0xFF;
file->path.value[file->path.len - 1] = file->id & 0xFF;
file->path.count = -1;
sc_log(ctx, "file size %i; ef type %i/%i; id %04X\n", file->size, file->type, file->ef_structure, file->id);
sc_log(ctx, "path type %X; path '%s'", file->path.type, sc_print_path(&file->path));
if (out)
*out = file;
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
/*
* Select a key reference
*/
static int
iasecc_pkcs15_select_key_reference(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_prkey_info *key_info)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_card *card = p15card->card;
struct sc_file *file = NULL;
int rv = 0, idx = key_info->key_reference & ~IASECC_OBJECT_REF_LOCAL;
LOG_FUNC_CALLED(ctx);
sc_log(ctx, "'seed' key reference %i; path %s", key_info->key_reference & ~IASECC_OBJECT_REF_LOCAL,
sc_print_path(&key_info->path));
rv = sc_select_file(card, &key_info->path, &file);
LOG_TEST_RET(ctx, rv, "Cannot select DF to select key reference in");
/* 1 <= ObjReference <= 31 */
if (idx < IASECC_OBJECT_REF_MIN)
idx = IASECC_OBJECT_REF_MIN;
/* Look for the suitable slot */
if (idx <= IASECC_OBJECT_REF_MAX) {
struct iasecc_ctl_get_free_reference ctl_data;
ctl_data.key_size = key_info->modulus_length;
ctl_data.usage = key_info->usage;
ctl_data.access = key_info->access_flags;
ctl_data.index = idx;
rv = sc_card_ctl(card, SC_CARDCTL_IASECC_GET_FREE_KEY_REFERENCE, &ctl_data);
if (!rv)
sc_log(ctx, "found allocated slot %i", idx);
else if (rv == SC_ERROR_DATA_OBJECT_NOT_FOUND && idx <= IASECC_OBJECT_REF_MAX)
sc_log(ctx, "found empty slot %i", idx);
else
LOG_TEST_RET(ctx, rv, "Cannot select key reference");
idx = ctl_data.index;
}
/* All card objects but PINs are locals */
key_info->key_reference = idx | IASECC_OBJECT_REF_LOCAL;
sc_log(ctx, "selected key reference %i", key_info->key_reference);
if (file)
sc_file_free(file);
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_sdo_get_data(struct sc_card *card, struct iasecc_sdo *sdo)
{
struct sc_context *ctx = card->ctx;
int rv;
LOG_FUNC_CALLED(ctx);
rv = sc_card_ctl(card, SC_CARDCTL_IASECC_SDO_GET_DATA, sdo);
LOG_TEST_RET(ctx, rv, "IasEcc: GET DATA error");
LOG_FUNC_RETURN(ctx, rv);
}
static int
iasecc_file_convert_acls(struct sc_context *ctx, struct sc_profile *profile, struct sc_file *file)
{
int ii;
for (ii=0; ii<SC_MAX_AC_OPS;ii++) {
struct sc_acl_entry *acl = sc_file_get_acl_entry(file, ii);
if (acl) {
switch (acl->method) {
case SC_AC_IDA:
LOG_TEST_RET(ctx, SC_ERROR_NOT_SUPPORTED, "'IDA' not actually supported");
case SC_AC_SCB:
if ((acl->key_ref & IASECC_SCB_METHOD_MASK) == IASECC_SCB_METHOD_USER_AUTH) {
acl->method = SC_AC_SEN;
acl->key_ref &= IASECC_SCB_METHOD_MASK_REF;
}
else if ((acl->key_ref & IASECC_SCB_METHOD_MASK) == IASECC_SCB_METHOD_SM) {
acl->method = SC_AC_PRO;
acl->key_ref &= IASECC_SCB_METHOD_MASK_REF;
}
}
}
}
return 0;
}
static int
iasecc_sdo_set_key_acls_from_profile(struct sc_profile *profile, struct sc_card *card,
const char *template, struct iasecc_sdo *sdo)
{
struct sc_context *ctx = card->ctx;
struct sc_file *file = NULL;
unsigned char ops_prvkey[7] = {
SC_AC_OP_PSO_COMPUTE_SIGNATURE, SC_AC_OP_INTERNAL_AUTHENTICATE, SC_AC_OP_PSO_DECRYPT,
SC_AC_OP_GENERATE, 0xFF, SC_AC_OP_UPDATE, SC_AC_OP_READ
};
unsigned char ops_pubkey[7] = {
0xFF, SC_AC_OP_EXTERNAL_AUTHENTICATE, 0xFF,
SC_AC_OP_GENERATE, 0xFF, SC_AC_OP_UPDATE, SC_AC_OP_READ
};
unsigned char amb, scb[16], mask;
int rv, ii, cntr;
LOG_FUNC_CALLED(ctx);
/* Get ACLs from profile template */
rv = sc_profile_get_file(profile, template, &file);
LOG_TEST_RET(ctx, rv, "IasEcc: cannot instanciate private key file");
/* Convert PKCS15 ACLs to SE ACLs */
rv = iasecc_file_convert_acls(ctx, profile, file);
LOG_TEST_RET(ctx, rv, "Cannot convert profile ACLs");
memset(scb, 0, sizeof(scb));
for (ii = 0, mask = 0x80, amb = 0x80, cntr = 0; ii < 7; ii++) {
const sc_acl_entry_t *acl;
unsigned char op = sdo->sdo_class == IASECC_SDO_CLASS_RSA_PRIVATE ? ops_prvkey[ii] : ops_pubkey[ii];
mask >>= 1;
if (op == 0xFF)
continue;
acl = sc_file_get_acl_entry(file, op);
sc_log(ctx, "ACL: 0x%X:0x%X", acl->method, acl->key_ref);
if (acl->method == SC_AC_NEVER) {
}
else if (acl->method == SC_AC_NONE) {
amb |= mask;
scb[cntr++] = 0x00;
}
else if (acl->method == SC_AC_SEN || acl->method == SC_AC_PRO || acl->method == SC_AC_AUT) {
if ((acl->key_ref & 0xF) == 0 || (acl->key_ref & 0xF) == 0xF)
LOG_TEST_RET(ctx, SC_ERROR_INVALID_DATA, "Invalid SE reference");
amb |= mask;
if (acl->method == SC_AC_SEN)
scb[cntr++] = acl->key_ref | IASECC_SCB_METHOD_USER_AUTH;
else if (acl->method == SC_AC_PRO)
scb[cntr++] = acl->key_ref | IASECC_SCB_METHOD_SM;
else
scb[cntr++] = acl->key_ref | IASECC_SCB_METHOD_EXT_AUTH;
}
else {
LOG_TEST_RET(ctx, SC_ERROR_INVALID_DATA, "Unknown SCB method");
}
}
/* Copy ACLs into the DOCP*/
sdo->docp.acls_contact.tag = IASECC_DOCP_TAG_ACLS_CONTACT;
sdo->docp.acls_contact.size = cntr + 1;
sdo->docp.acls_contact.value = calloc(1, sdo->docp.acls_contact.size);
if (!sdo->docp.acls_contact.value)
return SC_ERROR_MEMORY_FAILURE;
*(sdo->docp.acls_contact.value + 0) = amb;
memcpy(sdo->docp.acls_contact.value + 1, scb, cntr);
sc_log(ctx, "AMB: %X, CNTR %i, %x %x %x %x %x %x",
amb, cntr, scb[0], scb[1], scb[2], scb[3], scb[4], scb[5], scb[6]);
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_sdo_allocate_prvkey(struct sc_profile *profile, struct sc_card *card,
struct sc_pkcs15_prkey_info *key_info, struct iasecc_sdo **out)
{
struct sc_context *ctx = card->ctx;
struct iasecc_sdo *sdo = NULL;
size_t sz = key_info->modulus_length / 8;
int rv;
LOG_FUNC_CALLED(ctx);
sdo = calloc(1, sizeof(struct iasecc_sdo));
if (!sdo)
LOG_TEST_RET(ctx, SC_ERROR_MEMORY_FAILURE, "Cannot allocate 'iasecc_sdo'");
sdo->magic = SC_CARDCTL_IASECC_SDO_MAGIC;
sdo->sdo_ref = key_info->key_reference & 0x3F;
sdo->sdo_class = IASECC_SDO_CLASS_RSA_PRIVATE;
sdo->usage = key_info->usage;
sc_log(ctx, "sdo->sdo_class 0x%X; sdo->usage 0x%X", sdo->sdo_class, sdo->usage);
rv = iasecc_sdo_get_data(card, sdo);
if (rv == SC_ERROR_DATA_OBJECT_NOT_FOUND) {
sdo->not_on_card = 1;
rv = iasecc_sdo_set_key_acls_from_profile(profile, card, "private-key", sdo);
LOG_TEST_RET(ctx, rv, "IasEcc: cannot set ACLs for SDO from the 'private-key'");
/* FIXME: set here sdo->docp.name and sdo->docp.idata */
sdo->docp.non_repudiation.value = calloc(1, 1);
if (!sdo->docp.non_repudiation.value)
LOG_FUNC_RETURN(ctx, SC_ERROR_MEMORY_FAILURE);
sdo->docp.non_repudiation.tag = IASECC_DOCP_TAG_NON_REPUDATION;
sdo->docp.non_repudiation.size = 1;
sdo->data.prv_key.compulsory.value = calloc(1, 1);
if (!sdo->data.prv_key.compulsory.value)
LOG_FUNC_RETURN(ctx, SC_ERROR_MEMORY_FAILURE);
sdo->data.prv_key.compulsory.tag = IASECC_SDO_PRVKEY_TAG_COMPULSORY;
sdo->data.prv_key.compulsory.size = 1;
sdo->docp.size.value = calloc(1, 2);
if (!sdo->docp.size.value)
LOG_FUNC_RETURN(ctx, SC_ERROR_MEMORY_FAILURE);
sdo->docp.size.tag = IASECC_DOCP_TAG_SIZE;
sdo->docp.size.size = 2;
*(sdo->docp.size.value + 0) = (sz >> 8) & 0xFF;
*(sdo->docp.size.value + 1) = sz & 0xFF;
/*
FIXME: Manage CRT key types: IASECC_GEN_KEY_TYPE_*: X509_usage
Optional PRIVATE KEY SDO attribute 'Algorithm to compulsorily use' can have one of the three values:
0(any usage), B6(Sign), A4(Authentication), B8(Confidentiality).
If present, this attribute has to be the same in the 'GENERATE KEY' template data.
*/
if (!(key_info->access_flags & SC_PKCS15_PRKEY_ACCESS_LOCAL) && (key_info->usage & SC_PKCS15_PRKEY_USAGE_NONREPUDIATION))
sc_log(ctx, "Non fatal error: NON_REPUDATION can be used only for the localy generated keys");
if ((key_info->access_flags & SC_PKCS15_PRKEY_ACCESS_LOCAL)
&& (key_info->usage & SC_PKCS15_PRKEY_USAGE_SIGN)
&& (key_info->usage & SC_PKCS15_PRKEY_USAGE_NONREPUDIATION)) {
*(sdo->docp.non_repudiation.value + 0) = 1;
*(sdo->data.prv_key.compulsory.value + 0) = IASECC_CRT_TAG_DST;
}
sc_log(ctx, "non_repudiation %i", *(sdo->docp.non_repudiation.value + 0));
sc_log(ctx, "compulsory 0x%X", *(sdo->data.prv_key.compulsory.value + 0));
}
else {
LOG_TEST_RET(ctx, rv, "IasEcc: error while getting private key SDO data");
}
if (out)
*out = sdo;
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_sdo_allocate_pubkey(struct sc_profile *profile, struct sc_card *card, struct sc_pkcs15_pubkey_info *key_info,
struct iasecc_sdo **out)
{
struct sc_context *ctx = card->ctx;
struct iasecc_sdo *sdo = NULL;
size_t sz = key_info->modulus_length / 8;
int rv;
LOG_FUNC_CALLED(ctx);
sdo = calloc(1, sizeof(struct iasecc_sdo));
if (!sdo)
return SC_ERROR_MEMORY_FAILURE;
sdo->magic = SC_CARDCTL_IASECC_SDO_MAGIC;
sdo->sdo_ref = key_info->key_reference & 0x3F;
sdo->sdo_class = IASECC_SDO_CLASS_RSA_PUBLIC;
rv = iasecc_sdo_get_data(card, sdo);
sc_log(ctx, "get Public Key SDO(class:%X) data returned %i", sdo->sdo_class, rv);
if (rv == SC_ERROR_DATA_OBJECT_NOT_FOUND) {
sdo->not_on_card = 1;
rv = iasecc_sdo_set_key_acls_from_profile(profile, card, "public-key", sdo);
LOG_TEST_RET(ctx, rv, "iasecc_sdo_allocate_pubkey() cannot set ACLs for SDO from the 'public-key'");
sdo->docp.size.value = calloc(1, 2);
if (!sdo->docp.size.value)
LOG_FUNC_RETURN(ctx, SC_ERROR_MEMORY_FAILURE);
sdo->docp.size.size = 2;
sdo->docp.size.tag = IASECC_DOCP_TAG_SIZE;
*(sdo->docp.size.value + 0) = (sz >> 8) & 0xFF;
*(sdo->docp.size.value + 1) = sz & 0xFF;
if (card->type == SC_CARD_TYPE_IASECC_OBERTHUR) {
printf("TODO: Disabled for the tests of the Oberthur card\n");
}
else {
sdo->data.pub_key.cha.value = calloc(1, 2);
if (!sdo->data.pub_key.cha.value)
LOG_FUNC_RETURN(ctx, SC_ERROR_MEMORY_FAILURE);
sdo->data.pub_key.cha.size = 2;
sdo->data.pub_key.cha.tag = IASECC_SDO_PUBKEY_TAG_CHA;
}
sdo->data.pub_key.compulsory.value = calloc(1, 1);
if (!sdo->data.pub_key.compulsory.value)
LOG_FUNC_RETURN(ctx, SC_ERROR_MEMORY_FAILURE);
sdo->data.pub_key.compulsory.tag = IASECC_SDO_PUBKEY_TAG_COMPULSORY;
sdo->data.pub_key.compulsory.size = 1;
}
else {
LOG_TEST_RET(ctx, rv, "iasecc_sdo_allocate_pubkey() error while getting public key SDO data");
}
if (out)
*out = sdo;
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_sdo_convert_to_file(struct sc_card *card, struct iasecc_sdo *sdo, struct sc_file **out)
{
struct sc_context *ctx = card->ctx;
struct sc_file *file = sc_file_new();
unsigned ii;
int rv;
LOG_FUNC_CALLED(ctx);
if (file == NULL)
LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
else if (!card || !sdo)
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
sc_log(ctx, "SDO class 0x%X", sdo->sdo_class);
if (sdo->sdo_class == IASECC_SDO_CLASS_RSA_PRIVATE) {
unsigned char ops[] = {
SC_AC_OP_PSO_COMPUTE_SIGNATURE, SC_AC_OP_INTERNAL_AUTHENTICATE, SC_AC_OP_PSO_DECRYPT,
SC_AC_OP_GENERATE, SC_AC_OP_UPDATE, SC_AC_OP_READ
};
for (ii=0; ii<sizeof(ops)/sizeof(ops[0]);ii++) {
unsigned op_method, op_ref;
rv = iasecc_sdo_convert_acl(card, sdo, ops[ii], &op_method, &op_ref);
LOG_TEST_RET(ctx, rv, "IasEcc: cannot convert ACL");
sc_log(ctx, "ii:%i, method:%X, ref:%X", ii, op_method, op_ref);
sc_file_add_acl_entry(file, ops[ii], op_method, op_ref);
}
}
if (out)
*out = file;
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_pkcs15_add_access_rule(struct sc_pkcs15_object *object, unsigned access_mode, struct sc_pkcs15_id *auth_id)
{
int ii;
for (ii=0;ii<SC_PKCS15_MAX_ACCESS_RULES;ii++) {
if (!object->access_rules[ii].access_mode) {
object->access_rules[ii].access_mode = access_mode;
if (auth_id)
object->access_rules[ii].auth_id = *auth_id;
else
object->access_rules[ii].auth_id.len = 0;
break;
}
else if (!auth_id && !object->access_rules[ii].auth_id.len) {
object->access_rules[ii].access_mode |= access_mode;
break;
}
else if (auth_id && sc_pkcs15_compare_id(&object->access_rules[ii].auth_id, auth_id)) {
object->access_rules[ii].access_mode |= access_mode;
break;
}
}
if (ii==SC_PKCS15_MAX_ACCESS_RULES)
return SC_ERROR_TOO_MANY_OBJECTS;
return SC_SUCCESS;
}
static int
iasecc_pkcs15_get_auth_id_from_se(struct sc_pkcs15_card *p15card, unsigned char scb,
struct sc_pkcs15_id *auth_id)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_object *pin_objs[32];
int rv, ii, nn_pins, se_ref, pin_ref;
LOG_FUNC_CALLED(ctx);
if (!auth_id)
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
memset(auth_id, 0, sizeof(struct sc_pkcs15_id));
if (!(scb & IASECC_SCB_METHOD_USER_AUTH))
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
rv = sc_pkcs15_get_objects(p15card, SC_PKCS15_TYPE_AUTH_PIN, pin_objs, 32);
LOG_TEST_RET(ctx, rv, "Error while getting AUTH objects");
nn_pins = rv;
se_ref = scb & 0x0F;
rv = sc_card_ctl(p15card->card, SC_CARDCTL_GET_CHV_REFERENCE_IN_SE, (void *)(&se_ref));
LOG_TEST_RET(ctx, rv, "Card CTL error: cannot get CHV reference from SE");
pin_ref = rv;
for (ii=0; ii<nn_pins; ii++) {
const struct sc_pkcs15_auth_info *auth_info = (const struct sc_pkcs15_auth_info *) pin_objs[ii]->data;
if (auth_info->auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
continue;
sc_log(ctx, "PIN refs %i/%i", pin_ref, auth_info->attrs.pin.reference);
if (pin_ref == ((auth_info->attrs.pin.reference + 0x100) % 0x100)) {
*auth_id = auth_info->auth_id;
break;
}
}
if (ii == nn_pins)
LOG_TEST_RET(ctx, SC_ERROR_OBJECT_NOT_FOUND, "No AUTH object found");
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_pkcs15_fix_file_access_rule(struct sc_pkcs15_card *p15card, struct sc_file *file,
unsigned ac_op, unsigned rule_mode, struct sc_pkcs15_object *object)
{
struct sc_context *ctx = p15card->card->ctx;
const struct sc_acl_entry *acl = NULL;
struct sc_pkcs15_id id;
unsigned ref;
int rv;
LOG_FUNC_CALLED(ctx);
acl = sc_file_get_acl_entry(file, ac_op);
sc_log(ctx, "Fix file access rule: AC_OP:%i, ACL(method:0x%X,ref:0x%X)", ac_op, acl->method, acl->key_ref);
if (acl->method == SC_AC_NONE) {
sc_log(ctx, "rule-mode:0x%X, auth-ID:NONE", rule_mode);
rv = iasecc_pkcs15_add_access_rule(object, rule_mode, NULL);
LOG_TEST_RET(ctx, rv, "Fix file access rule error");
}
else {
if (acl->method == SC_AC_IDA) {
ref = acl->key_ref;
iasecc_reference_to_pkcs15_id (ref, &id);
}
else if (acl->method == SC_AC_SCB) {
rv = iasecc_pkcs15_get_auth_id_from_se(p15card, acl->key_ref, &id);
LOG_TEST_RET(ctx, rv, "Cannot get AUTH.ID from SE");
}
else if (acl->method == SC_AC_PRO) {
ref = IASECC_SCB_METHOD_SM * 0x100 + acl->key_ref;
iasecc_reference_to_pkcs15_id (ref, &id);
}
else {
LOG_TEST_RET(ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED, "Fix file access error");
}
sc_log(ctx, "rule-mode:0x%X, auth-ID:%s", rule_mode, sc_pkcs15_print_id(&id));
rv = iasecc_pkcs15_add_access_rule(object, rule_mode, &id);
LOG_TEST_RET(ctx, rv, "Fix file access rule error");
}
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_pkcs15_fix_file_access(struct sc_pkcs15_card *p15card, struct sc_file *file,
struct sc_pkcs15_object *object)
{
struct sc_context *ctx = p15card->card->ctx;
int rv;
LOG_FUNC_CALLED(ctx);
sc_log(ctx, "authID %s", sc_pkcs15_print_id(&object->auth_id));
memset(object->access_rules, 0, sizeof(object->access_rules));
rv = iasecc_pkcs15_fix_file_access_rule(p15card, file, SC_AC_OP_READ, SC_PKCS15_ACCESS_RULE_MODE_READ, object);
LOG_TEST_RET(ctx, rv, "Fix file READ access error");
rv = iasecc_pkcs15_fix_file_access_rule(p15card, file, SC_AC_OP_UPDATE, SC_PKCS15_ACCESS_RULE_MODE_UPDATE, object);
LOG_TEST_RET(ctx, rv, "Fix file READ access error");
rv = iasecc_pkcs15_fix_file_access_rule(p15card, file, SC_AC_OP_DELETE, SC_PKCS15_ACCESS_RULE_MODE_DELETE, object);
LOG_TEST_RET(ctx, rv, "Fix file READ access error");
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
static int
iasecc_pkcs15_encode_supported_algos(struct sc_pkcs15_card *p15card, struct sc_pkcs15_object *object)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_pkcs15_prkey_info *prkey_info = (struct sc_pkcs15_prkey_info *) object->data;
struct sc_supported_algo_info *algo;
int rv = SC_SUCCESS, ii;
LOG_FUNC_CALLED(ctx);
sc_log(ctx, "encode supported algos for object(%s,type:%X)", object->label, object->type);
switch (object->type) {
case SC_PKCS15_TYPE_PRKEY_RSA:
sc_log(ctx, "PrKey Usage:%X,Access:%X", prkey_info->usage, prkey_info->access_flags);
if (prkey_info->usage & (SC_PKCS15_PRKEY_USAGE_DECRYPT | SC_PKCS15_PRKEY_USAGE_UNWRAP)) {
algo = sc_pkcs15_get_supported_algo(p15card, SC_PKCS15_ALGO_OP_DECIPHER, CKM_RSA_PKCS);
rv = sc_pkcs15_add_supported_algo_ref(object, algo);
LOG_TEST_RET(ctx, rv, "cannot add supported algorithm DECIPHER:CKM_RSA_PKCS");
}
if (prkey_info->usage & SC_PKCS15_PRKEY_USAGE_SIGN) {
if (prkey_info->usage & SC_PKCS15_PRKEY_USAGE_NONREPUDIATION) {
algo = sc_pkcs15_get_supported_algo(p15card, SC_PKCS15_ALGO_OP_COMPUTE_SIGNATURE, CKM_SHA1_RSA_PKCS);
rv = sc_pkcs15_add_supported_algo_ref(object, algo);
LOG_TEST_RET(ctx, rv, "cannot add supported algorithm SIGN:CKM_SHA1_RSA_PKCS");
algo = sc_pkcs15_get_supported_algo(p15card, SC_PKCS15_ALGO_OP_COMPUTE_SIGNATURE, CKM_SHA256_RSA_PKCS);
rv = sc_pkcs15_add_supported_algo_ref(object, algo);
LOG_TEST_RET(ctx, rv, "cannot add supported algorithm SIGN:CKM_SHA256_RSA_PKCS");
}
else {
algo = sc_pkcs15_get_supported_algo(p15card, SC_PKCS15_ALGO_OP_COMPUTE_SIGNATURE, CKM_RSA_PKCS);
rv = sc_pkcs15_add_supported_algo_ref(object, algo);
LOG_TEST_RET(ctx, rv, "cannot add supported algorithm SIGN:CKM_RSA_PKCS");
}
}
for (ii=0; ii<SC_MAX_SUPPORTED_ALGORITHMS && prkey_info->algo_refs[ii]; ii++)
sc_log(ctx, "algoReference %i", prkey_info->algo_refs[ii]);
break;
default:
rv = SC_ERROR_NOT_SUPPORTED;
break;
}
LOG_FUNC_RETURN(ctx, rv);
}
/*
* Store SDO key RSA
*/
static int
iasecc_sdo_store_key(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct iasecc_sdo *sdo_prvkey, struct iasecc_sdo *sdo_pubkey,
struct sc_pkcs15_prkey_rsa *rsa)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_card *card = p15card->card;
unsigned long caps = card->caps;
struct iasecc_sdo_rsa_update update;
struct sc_file *dummy_file = NULL;
int rv;
LOG_FUNC_CALLED(ctx);
if (!sdo_prvkey && !sdo_pubkey)
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "At least one SDO has to be supplied");
rv = iasecc_sdo_convert_to_file(card, sdo_prvkey ? sdo_prvkey : sdo_pubkey, &dummy_file);
LOG_TEST_RET(ctx, rv, "Cannot convert SDO PRIVATE KEY to file");
card->caps &= ~SC_CARD_CAP_USE_FCI_AC;
rv = sc_pkcs15init_authenticate(profile, p15card, dummy_file, SC_AC_OP_UPDATE);
card->caps = caps;
LOG_TEST_RET(ctx, rv, "SDO PRIVATE KEY UPDATE authentication failed");
if (dummy_file)
sc_file_free(dummy_file);
memset(&update, 0, sizeof(update));
update.sdo_prv_key = sdo_prvkey;
update.sdo_pub_key = sdo_pubkey;
update.p15_rsa = rsa;
update.magic = IASECC_SDO_MAGIC_UPDATE_RSA;
rv = sc_card_ctl(card, SC_CARDCTL_IASECC_SDO_KEY_RSA_PUT_DATA, &update);
LOG_TEST_RET(ctx, rv, "store IAS SDO PRIVATE KEY failed");
LOG_FUNC_RETURN(ctx, rv);
}
static int
iasecc_pkcs15_add_algorithm_reference(struct sc_pkcs15_card *p15card,
struct sc_pkcs15_prkey_info *key_info, unsigned algo_ref)
{
int ii, jj;
for (jj=0;jj<SC_MAX_SUPPORTED_ALGORITHMS && key_info->algo_refs[jj];jj++)
;
if (jj == SC_MAX_SUPPORTED_ALGORITHMS)
return SC_ERROR_TOO_MANY_OBJECTS;
for (ii=0;ii<SC_MAX_SUPPORTED_ALGORITHMS;ii++)
if (p15card->tokeninfo->supported_algos[ii].algo_ref == algo_ref)
break;
if (ii == SC_MAX_SUPPORTED_ALGORITHMS)
return SC_ERROR_OBJECT_NOT_FOUND;
key_info->algo_refs[jj] = p15card->tokeninfo->supported_algos[ii].reference;
return SC_SUCCESS;
}
static int
iasecc_pkcs15_fix_private_key_attributes(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct sc_pkcs15_object *object,
struct iasecc_sdo *sdo_prvkey)
{
struct sc_card *card = p15card->card;
struct sc_context *ctx = card->ctx;
struct sc_pkcs15_prkey_info *key_info = (struct sc_pkcs15_prkey_info *) object->data;
int rv = 0, ii;
unsigned keys_access_modes[IASECC_MAX_SCBS] = {
SC_PKCS15_ACCESS_RULE_MODE_PSO_CDS, SC_PKCS15_ACCESS_RULE_MODE_INT_AUTH, SC_PKCS15_ACCESS_RULE_MODE_PSO_DECRYPT,
SC_PKCS15_ACCESS_RULE_MODE_EXECUTE, 0x00, SC_PKCS15_ACCESS_RULE_MODE_UPDATE, SC_PKCS15_ACCESS_RULE_MODE_READ
};
LOG_FUNC_CALLED(ctx);
if (!object->content.value || object->content.len != sizeof(struct iasecc_sdo))
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "store IAS SDO PRIVATE KEY failed");
if (object->type != SC_PKCS15_TYPE_PRKEY_RSA)
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "Unsupported object type");
key_info->access_flags |= SC_PKCS15_PRKEY_ACCESS_SENSITIVE;
key_info->access_flags |= SC_PKCS15_PRKEY_ACCESS_ALWAYSSENSITIVE;
key_info->access_flags |= SC_PKCS15_PRKEY_ACCESS_NEVEREXTRACTABLE;
sc_log(ctx, "SDO(class:%X,ref:%X,usage:%X)",
sdo_prvkey->sdo_class, sdo_prvkey->sdo_ref, sdo_prvkey->usage);
sc_log(ctx, "SDO ACLs(%i):%s", sdo_prvkey->docp.acls_contact.size,
sc_dump_hex(sdo_prvkey->docp.acls_contact.value, sdo_prvkey->docp.acls_contact.size));
sc_log(ctx, "SDO AMB:%X, SCBS:%s", sdo_prvkey->docp.amb,
sc_dump_hex(sdo_prvkey->docp.scbs, IASECC_MAX_SCBS));
for (ii=0;ii<IASECC_MAX_SCBS;ii++) {
sc_log(ctx, "SBC(%i):%X", ii, sdo_prvkey->docp.scbs[ii]);
if (sdo_prvkey->docp.scbs[ii] == 0xFF) {
continue;
}
else if (sdo_prvkey->docp.scbs[ii] == 0x00) {
rv = iasecc_pkcs15_add_access_rule(object, keys_access_modes[ii], NULL);
LOG_TEST_RET(ctx, rv, "Cannot add access rule");
}
else if (sdo_prvkey->docp.scbs[ii] & IASECC_SCB_METHOD_USER_AUTH) {
struct sc_pkcs15_id auth_id;
rv = iasecc_pkcs15_get_auth_id_from_se(p15card, sdo_prvkey->docp.scbs[ii], &auth_id);
LOG_TEST_RET(ctx, rv, "Cannot get AUTH.ID from SE");
rv = iasecc_pkcs15_add_access_rule(object, keys_access_modes[ii], &auth_id);
LOG_TEST_RET(ctx, rv, "Cannot add access rule");
if (ii == IASECC_ACLS_RSAKEY_PSO_SIGN || ii == IASECC_ACLS_RSAKEY_INTERNAL_AUTH
|| ii == IASECC_ACLS_RSAKEY_PSO_DECIPHER) {
if (!sc_pkcs15_compare_id(&object->auth_id, &auth_id)) {
/* Sorry, this will silently overwrite the profile option.*/
sc_log(ctx, "Change object's authId for the one that really protects crypto operation.");
object->auth_id = auth_id;
}
rv = iasecc_pkcs15_add_access_rule(object, SC_PKCS15_ACCESS_RULE_MODE_EXECUTE, &auth_id);
LOG_TEST_RET(ctx, rv, "Cannot add 'EXECUTE' access rule");
}
}
if (ii == IASECC_ACLS_RSAKEY_PSO_SIGN) {
rv = iasecc_pkcs15_add_algorithm_reference(p15card, key_info,
IASECC_ALGORITHM_RSA_PKCS | IASECC_ALGORITHM_SHA1);
LOG_TEST_RET(ctx, rv, "Cannot add RSA_PKCS SHA1 supported mechanism");
rv = iasecc_pkcs15_add_algorithm_reference(p15card, key_info,
IASECC_ALGORITHM_RSA_PKCS | IASECC_ALGORITHM_SHA2);
LOG_TEST_RET(ctx, rv, "Cannot add RSA_PKCS SHA2 supported mechanism");
key_info->usage |= SC_PKCS15_PRKEY_USAGE_SIGN;
if (sdo_prvkey->docp.non_repudiation.value && sdo_prvkey->docp.non_repudiation.value[0]) {
key_info->usage |= SC_PKCS15_PRKEY_USAGE_NONREPUDIATION;
object->user_consent = 1;
}
}
else if (ii == IASECC_ACLS_RSAKEY_INTERNAL_AUTH) {
rv = iasecc_pkcs15_add_algorithm_reference(p15card, key_info, IASECC_ALGORITHM_RSA_PKCS);
LOG_TEST_RET(ctx, rv, "Cannot add RSA_PKCS supported mechanism");
key_info->usage |= SC_PKCS15_PRKEY_USAGE_SIGN | SC_PKCS15_PRKEY_USAGE_SIGNRECOVER;
}
else if (ii == IASECC_ACLS_RSAKEY_PSO_DECIPHER) {
rv = iasecc_pkcs15_add_algorithm_reference(p15card, key_info,
IASECC_ALGORITHM_RSA_PKCS_DECRYPT | IASECC_ALGORITHM_SHA1);
LOG_TEST_RET(ctx, rv, "Cannot add decipher RSA_PKCS supported mechanism");
key_info->usage |= SC_PKCS15_PRKEY_USAGE_DECRYPT | SC_PKCS15_PRKEY_USAGE_UNWRAP;
}
}
LOG_FUNC_RETURN(ctx, rv);
}
static int
iasecc_pkcs15_create_key_slot(struct sc_profile *profile, struct sc_pkcs15_card *p15card,
struct iasecc_sdo *sdo_prvkey, struct iasecc_sdo *sdo_pubkey,
struct sc_pkcs15_prkey_info *key_info)
{
struct sc_context *ctx = p15card->card->ctx;
struct sc_card *card = p15card->card;
struct sc_file *file_p_pubkey = NULL, *file_p_prvkey = NULL, *parent = NULL;
unsigned long save_card_caps = p15card->card->caps;
int rv;
LOG_FUNC_CALLED(ctx);
rv = iasecc_pkcs15_new_file(profile, card, SC_PKCS15_TYPE_PRKEY_RSA, key_info->key_reference, &file_p_prvkey);
LOG_TEST_RET(ctx, rv, "create key slot: cannot instantiate PRKEY_RSA file");
rv = iasecc_pkcs15_new_file(profile, card, SC_PKCS15_TYPE_PUBKEY_RSA, key_info->key_reference, &file_p_pubkey);
LOG_TEST_RET(ctx, rv, "create key slot: cannot instantiate PUBKEY_RSA file");
rv = iasecc_file_convert_acls(ctx, profile, file_p_prvkey);
LOG_TEST_RET(ctx, rv, "create key slot: cannot convert ACLs of the private key file");
rv = iasecc_file_convert_acls(ctx, profile, file_p_pubkey);
LOG_TEST_RET(ctx, rv, "create key slot: cannot convert ACLs of the public key file");
rv = sc_profile_get_parent(profile, "private-key", &parent);
LOG_TEST_RET(ctx, rv, "create key slot: cannot get parent of private key file");
rv = iasecc_file_convert_acls(ctx, profile, parent);
LOG_TEST_RET(ctx, rv, "create key slot: cannot convert parent's ACLs");
/* Oberthur's card do not returns FCP for selected application DF.
* That's why for the following authentication use the 'CREATE' ACL defined in the application profile. */
if (card->type == SC_CARD_TYPE_IASECC_OBERTHUR)
p15card->card->caps &= ~SC_CARD_CAP_USE_FCI_AC;
rv = sc_pkcs15init_authenticate(profile, p15card, parent, SC_AC_OP_CREATE);
p15card->card->caps = save_card_caps;
LOG_TEST_RET(ctx, rv, "create key slot: SC_AC_OP_CREATE authentication failed");