/*
* Create an empty key object
*/
static int rtecp_create_key(sc_profile_t *profile, sc_pkcs15_card_t *p15card,
sc_pkcs15_object_t *obj)
{
sc_context_t *ctx;
/* RSA_PRkey/ Adds Miller-
* RSA_PUBkey Rabin tests Attempts Reserve */
const unsigned char prkey_prop[] = { 0x23, 0, 0, 0xAA, 0, 0 };
const unsigned char pbkey_prop[] = { 0x33, 0, 0, 0xAA, 0, 0 };
/* GOSTR3410_PRkey/
* GOSTR3410_PUBkey paramset Attempts Reserve */
unsigned char prgkey_prop[] = { 0x03, '?', 0, 0xAA, 0, 0 };
unsigned char pbgkey_prop[] = { 0x13, '?', 0, 0xAA, 0, 0 };
/* AccessMode - Update Use - - - Delete */
unsigned char prkey_sec[15] = { 0x46, 0, '?', '?', 0, 0, 0, '?' };
unsigned char pbkey_sec[15] = { 0x46, 0, '?', 0, 0, 0, 0, '?' };
unsigned char auth_id, paramset;
sc_pkcs15_prkey_info_t *key_info;
sc_file_t *file;
int r;
if (!profile || !p15card || !p15card->card || !p15card->card->ctx
|| !obj || !obj->data)
return SC_ERROR_INVALID_ARGUMENTS;
ctx = p15card->card->ctx;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (obj->type != SC_PKCS15_TYPE_PRKEY_RSA
&& obj->type != SC_PKCS15_TYPE_PRKEY_GOSTR3410)
return SC_ERROR_NOT_SUPPORTED;
if (obj->auth_id.len != 1)
return SC_ERROR_INVALID_ARGUMENTS;
auth_id = obj->auth_id.value[0];
key_info = (sc_pkcs15_prkey_info_t *)obj->data;
assert(key_info);
if ((obj->type == SC_PKCS15_TYPE_PRKEY_RSA
&& key_info->modulus_length % 128 != 0)
|| (obj->type == SC_PKCS15_TYPE_PRKEY_GOSTR3410
&& key_info->modulus_length
!= SC_PKCS15_GOSTR3410_KEYSIZE))
{
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "Unsupported key size %u\n", key_info->modulus_length);
return SC_ERROR_INVALID_ARGUMENTS;
}
if (obj->type == SC_PKCS15_TYPE_PRKEY_GOSTR3410)
{
if (key_info->params.len < sizeof(int))
return SC_ERROR_INVALID_ARGUMENTS;
if (((int*)key_info->params.data)[0] < 1
|| ((int*)key_info->params.data)[0] > 3)
return SC_ERROR_INVALID_ARGUMENTS;
paramset = ((unsigned int*)key_info->params.data)[0] & 0x03;
assert(sizeof(prgkey_prop)/sizeof(prgkey_prop[0]) > 1);
assert(sizeof(pbgkey_prop)/sizeof(pbgkey_prop[0]) > 1);
prgkey_prop[1] = 0x10 + (paramset << 4);
pbgkey_prop[1] = prgkey_prop[1];
}
r = sc_profile_get_file(profile, "PKCS15-AppDF", &file);
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, r, "Get PKCS15-AppDF info failed");
r = sc_file_add_acl_entry(file, SC_AC_OP_CREATE, SC_AC_CHV, auth_id);
if (r == SC_SUCCESS)
r = sc_pkcs15init_authenticate(profile, p15card, file, SC_AC_OP_CREATE);
assert(file);
sc_file_free(file);
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, r, "Authenticate failed");
file = sc_file_new();
if (!file)
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_OUT_OF_MEMORY);
file->id = key_info->key_reference;
r = sc_file_set_type_attr(file, (const u8*)"\x10\x00", 2);
/* private key file */
if (obj->type == SC_PKCS15_TYPE_PRKEY_RSA)
file->size = key_info->modulus_length / 8 / 2 * 5 + 8;
else
file->size = key_info->modulus_length / 8;
if (r == SC_SUCCESS)
{
assert(sizeof(prkey_sec)/sizeof(prkey_sec[0]) > 7);
prkey_sec[2] = auth_id;
prkey_sec[3] = auth_id;
prkey_sec[7] = auth_id;
r = sc_file_set_sec_attr(file, prkey_sec, sizeof(prkey_sec));
}
if (r == SC_SUCCESS)
{
if (obj->type == SC_PKCS15_TYPE_PRKEY_RSA)
r = sc_file_set_prop_attr(file, prkey_prop, sizeof(prkey_prop));
else
r = sc_file_set_prop_attr(file, prgkey_prop,sizeof(prgkey_prop));
}
if (r == SC_SUCCESS) {
sc_log(ctx, "create private key file id:%04i", file->id);
r = sc_create_file(p15card->card, file);
}
/* public key file */
if (obj->type == SC_PKCS15_TYPE_PRKEY_RSA)
file->size = key_info->modulus_length / 8 / 2 * 3;
else
file->size = key_info->modulus_length / 8 * 2;
if (r == SC_SUCCESS)
{
assert(sizeof(pbkey_sec)/sizeof(pbkey_sec[0]) > 7);
pbkey_sec[2] = auth_id;
pbkey_sec[7] = auth_id;
r = sc_file_set_sec_attr(file, pbkey_sec, sizeof(pbkey_sec));
}
if (r == SC_SUCCESS)
{
if (obj->type == SC_PKCS15_TYPE_PRKEY_RSA)
r = sc_file_set_prop_attr(file, pbkey_prop, sizeof(pbkey_prop));
else
r = sc_file_set_prop_attr(file, pbgkey_prop,sizeof(pbgkey_prop));
}
if (r == SC_SUCCESS) {
sc_log(ctx, "create public key file id:%04i", file->id);
r = sc_create_file(p15card->card, file);
}
assert(file);
sc_file_free(file);
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_NORMAL, r);
}
/*
* Create a PIN object within the given DF
*/
static int rtecp_create_pin(sc_profile_t *profile, sc_pkcs15_card_t *p15card,
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_context_t *ctx;
sc_pkcs15_auth_info_t *auth_info;
sc_file_t *file = NULL;
/* GCHV min-length Flags Attempts Reserve */
unsigned char prop[] = { 0x01, '?', 0x01, '?', 0, 0 };
/* AccessMode Unblock Change Delete */
unsigned char sec[15] = { 0x43, '?', '?', 0, 0, 0, 0, 0xFF };
char pin_sname[0x10];
int r, reset_by_sopin = 0;
(void)puk; /* no warning */
if (!profile || !p15card || !p15card->card || !p15card->card->ctx || !df
|| !pin_obj || !pin_obj->data || !pin || !pin_len)
return SC_ERROR_INVALID_ARGUMENTS;
ctx = p15card->card->ctx;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (puk_len != 0)
{
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "Do not enter User unblocking PIN (PUK): %s\n",
sc_strerror(SC_ERROR_NOT_SUPPORTED));
return SC_ERROR_NOT_SUPPORTED;
}
auth_info = (sc_pkcs15_auth_info_t *)pin_obj->data;
if (auth_info->auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return SC_ERROR_OBJECT_NOT_VALID;
if (auth_info->attrs.pin.reference != RTECP_SO_PIN_REF
&& auth_info->attrs.pin.reference != RTECP_USER_PIN_REF)
{
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "PIN reference %i not found in standard"
" (Rutoken ECP) PINs\n", auth_info->attrs.pin.reference);
return SC_ERROR_NOT_SUPPORTED;
}
snprintf(pin_sname, sizeof(pin_sname), "CHV%i", auth_info->attrs.pin.reference);
if (auth_info->attrs.pin.reference == RTECP_USER_PIN_REF) {
r = sc_profile_get_file(profile, pin_sname, &file);
if (!r) {
const struct sc_acl_entry *acl = NULL;
r = sc_pkcs15init_fixup_file(profile, p15card, file);
if (r < 0)
sc_file_free(file);
SC_TEST_RET(p15card->card->ctx, SC_LOG_DEBUG_NORMAL, r, "Cannot fixup the ACLs of PIN file");
acl = sc_file_get_acl_entry(file, SC_AC_OP_PIN_RESET);
if (acl && acl->method == SC_AC_CHV && acl->key_ref == RTECP_SO_PIN_REF) {
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "Allow reset of User PIN with SoPIN\n");
reset_by_sopin = 1;
}
sc_file_free(file);
}
}
file = sc_file_new();
if (!file)
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_OUT_OF_MEMORY);
file->id = auth_info->attrs.pin.reference;
file->size = pin_len;
assert(sizeof(sec)/sizeof(sec[0]) > 2);
sec[1] = (auth_info->attrs.pin.reference == RTECP_SO_PIN_REF) ? 0xFF : RTECP_SO_PIN_REF;
sec[2] = (unsigned char)auth_info->attrs.pin.reference | (reset_by_sopin ? RTECP_SO_PIN_REF : 0);
r = sc_file_set_sec_attr(file, sec, sizeof(sec));
if (r == SC_SUCCESS)
{
assert(sizeof(prop)/sizeof(prop[0]) > 3);
prop[1] = (unsigned char)auth_info->attrs.pin.min_length;
prop[3] = 0x11 * (unsigned char)(auth_info->tries_left & 0x0F);
r = sc_file_set_prop_attr(file, prop, sizeof(prop));
}
if (r == SC_SUCCESS)
r = sc_file_set_type_attr(file, (const u8*)"\x10\x00", 2);
if (r == SC_SUCCESS)
r = sc_create_file(p15card->card, file);
sc_file_free(file);
if (r == SC_SUCCESS)
r = sc_change_reference_data(p15card->card, SC_AC_CHV,
auth_info->attrs.pin.reference, NULL, 0, pin, pin_len, NULL);
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_NORMAL, r);
}
static int
iso7816_process_fci(struct sc_card *card, struct sc_file *file,
const unsigned char *buf, size_t buflen)
{
struct sc_context *ctx = card->ctx;
const unsigned char *p, *end;
unsigned int cla = 0, tag = 0;
size_t length;
int size;
for (p = buf, length = buflen, end = buf + buflen;
p < end;
p += length, length = end - p) {
if (SC_SUCCESS != sc_asn1_read_tag(&p, length, &cla, &tag, &length)
|| p == NULL) {
break;
}
switch (cla | tag) {
case 0x81:
if (file->size != 0) {
/* don't overwrite existing file size excluding structural information */
break;
}
/* fall through */
case 0x80:
/* determine the file size */
if (sc_asn1_decode_integer(p, length, &size) == 0 && size >= 0) {
file->size = size;
sc_log(ctx, " bytes in file: %"SC_FORMAT_LEN_SIZE_T"u",
file->size);
}
break;
case 0x82:
if (length > 0) {
unsigned char byte = p[0];
const char *type;
file->shareable = byte & 0x40 ? 1 : 0;
sc_log(ctx, " shareable: %s", (byte & 0x40) ? "yes" : "no");
file->ef_structure = byte & 0x07;
switch ((byte >> 3) & 7) {
case 0:
type = "working EF";
file->type = SC_FILE_TYPE_WORKING_EF;
break;
case 1:
type = "internal EF";
file->type = SC_FILE_TYPE_INTERNAL_EF;
break;
case 7:
type = "DF";
file->type = SC_FILE_TYPE_DF;
break;
default:
type = "unknown";
break;
}
sc_log(ctx, " type: %s", type);
sc_log(ctx, " EF structure: %d", byte & 0x07);
sc_log(ctx, " tag 0x82: 0x%02x", byte);
if (SC_SUCCESS != sc_file_set_type_attr(file, &byte, 1))
sc_log(ctx, "Warning: Could not set file attributes");
}
break;
case 0x83:
if (length == 2) {
file->id = (p[0] << 8) | p[1];
sc_log(ctx, " file identifier: 0x%02X%02X", p[0], p[1]);
}
break;
case 0x84:
if (length > 0 && length <= 16) {
memcpy(file->name, p, length);
file->namelen = length;
sc_log_hex(ctx, " File name:", file->name, file->namelen);
if (!file->type)
file->type = SC_FILE_TYPE_DF;
}
break;
case 0x85:
case 0xA5:
if (SC_SUCCESS != sc_file_set_prop_attr(file, p, length)) {
sc_log(ctx, "Warning: Could not set proprietary file properties");
}
break;
case 0x86:
if (SC_SUCCESS != sc_file_set_sec_attr(file, p, length)) {
sc_log(ctx, "Warning: Could not set file security properties");
}
break;
case 0x88:
if (length == 1) {
file->sid = *p;
sc_log(ctx, " short file identifier: 0x%02X", *p);
}
break;
case 0x8A:
if (length == 1) {
if (p[0] == 0x01)
file->status = SC_FILE_STATUS_CREATION;
else if (p[0] == 0x07 || p[0] == 0x05)
file->status = SC_FILE_STATUS_ACTIVATED;
else if (p[0] == 0x06 || p[0] == 0x04)
file->status = SC_FILE_STATUS_INVALIDATED;
}
break;
case 0x62:
case 0x64:
case 0x6F:
/* allow nested FCP/FMD/FCI templates */
iso7816_process_fci(card, file, p, length);
}
}
/*
* The reason for this function is that OpenSC doesn't set any
* Security Attribute Tag in the FCI upon file creation if there
* is no file->sec_attr. I set the file->sec_attr to a format
* understood by the applet (ISO 7816-4 tables 16, 17 and 20).
* The iso7816_create_file will then set this as Tag 86 - Sec.
* Attr. Prop. Format.
* The applet will then be able to set and enforce access rights
* for any file created by OpenSC. Without this function, the
* applet would not know where to enforce security rules and
* when.
*
* Note: IsoApplet currently only supports a "onepin" option.
*
* Format of the sec_attr: 8 Bytes:
* 7 - ISO 7816-4 table 16 or 17
* 6 to 0 - ISO 7816-4 table 20
*/
static int
isoApplet_create_file(sc_card_t *card, sc_file_t *file)
{
int r = 0;
LOG_FUNC_CALLED(card->ctx);
if(file->sec_attr_len == 0)
{
u8 access_buf[8];
int idx[8], i;
if(file->type == SC_FILE_TYPE_DF)
{
const int df_idx[8] = /* These are the SC operations. */
{
0, /* Reserved. */
SC_AC_OP_DELETE_SELF, /* b6 */
SC_AC_OP_LOCK, /* b5 */
SC_AC_OP_ACTIVATE, /* b4 */
SC_AC_OP_DEACTIVATE, /* b3 */
SC_AC_OP_CREATE_DF, /* b2 */
SC_AC_OP_CREATE_EF, /* b1 */
SC_AC_OP_DELETE /* b0 */
};
for(i=0; i<8; i++)
{
idx[i] = df_idx[i];
}
}
else /* EF */
{
const int ef_idx[8] =
{
0, /* Reserved. */
SC_AC_OP_DELETE_SELF, /* b6 */
SC_AC_OP_LOCK, /* b5 */
SC_AC_OP_ACTIVATE, /* b4 */
SC_AC_OP_DEACTIVATE, /* b3 */
SC_AC_OP_WRITE, /* b2 */
SC_AC_OP_UPDATE, /* b1 */
SC_AC_OP_READ /* b0 */
};
for(i=0; i<8; i++)
{
idx[i] = ef_idx[i];
}
}
/* Now idx contains the operation identifiers.
* We now search for the OPs. */
access_buf[0] = 0xFF; /* A security condition byte is present for every OP. (Table 19) */
for(i=1; i<8; i++)
{
const sc_acl_entry_t *entry;
entry = sc_file_get_acl_entry(file, idx[i]);
access_buf[i] = isoApplet_acl_to_security_condition_byte(entry);
}
r = sc_file_set_sec_attr(file, access_buf, 8);
LOG_TEST_RET(card->ctx, r, "Error adding security attribute.");
}
r = iso_ops->create_file(card, file);
LOG_FUNC_RETURN(card->ctx, r);
}
/*
* Create a PIN object within the given DF
*/
static int rtecp_create_pin(sc_profile_t *profile, sc_pkcs15_card_t *p15card,
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_context_t *ctx;
sc_pkcs15_pin_info_t *pin_info;
sc_file_t *file;
/* GCHV min-length Flags Attempts Reserve */
unsigned char prop[] = { 0x01, '?', 0x01, '?', 0, 0 };
/* AccessMode Unblock Change Delete */
unsigned char sec[15] = { 0x43, '?', '?', 0, 0, 0, 0, 0xFF };
int r;
(void)puk; /* no warning */
if (!profile || !p15card || !p15card->card || !p15card->card->ctx || !df
|| !pin_obj || !pin_obj->data || !pin || !pin_len)
return SC_ERROR_INVALID_ARGUMENTS;
ctx = p15card->card->ctx;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
if (puk_len != 0)
{
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "Do not enter User unblocking PIN (PUK): %s\n",
sc_strerror(SC_ERROR_NOT_SUPPORTED));
return SC_ERROR_NOT_SUPPORTED;
}
pin_info = (sc_pkcs15_pin_info_t *)pin_obj->data;
if (pin_info->reference != RTECP_SO_PIN_REF
&& pin_info->reference != RTECP_USER_PIN_REF)
{
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "PIN reference %i not found in standard"
" (Rutoken ECP) PINs\n", pin_info->reference);
return SC_ERROR_NOT_SUPPORTED;
}
file = sc_file_new();
if (!file)
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_OUT_OF_MEMORY);
file->id = pin_info->reference;
file->size = pin_len;
assert(sizeof(sec)/sizeof(sec[0]) > 2);
sec[1] = (pin_info->reference == RTECP_SO_PIN_REF) ? 0xFF : RTECP_SO_PIN_REF;
sec[2] = (unsigned char)pin_info->reference;
r = sc_file_set_sec_attr(file, sec, sizeof(sec));
if (r == SC_SUCCESS)
{
assert(sizeof(prop)/sizeof(prop[0]) > 3);
prop[1] = (unsigned char)pin_info->min_length;
prop[3] = 0x11 * (unsigned char)(pin_info->tries_left & 0x0F);
r = sc_file_set_prop_attr(file, prop, sizeof(prop));
}
if (r == SC_SUCCESS)
r = sc_file_set_type_attr(file, (const u8*)"\x10\x00", 2);
if (r == SC_SUCCESS)
r = sc_create_file(p15card->card, file);
sc_file_free(file);
if (r == SC_SUCCESS)
r = sc_change_reference_data(p15card->card, SC_AC_CHV,
pin_info->reference, NULL, 0, pin, pin_len, NULL);
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_NORMAL, r);
}