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pivtool.c
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pivtool.c
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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright (c) 2017, Joyent Inc
* Author: Alex Wilson <[email protected]>
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <stdint.h>
#include <stddef.h>
#include <errno.h>
#include <strings.h>
#include <limits.h>
#if defined(__APPLE__)
#include <PCSC/wintypes.h>
#include <PCSC/winscard.h>
#else
#include <wintypes.h>
#include <winscard.h>
#endif
#include <sys/types.h>
#include <sys/errno.h>
#include "debug.h"
#if defined(__sun)
#include <sys/fork.h>
#endif
#include <sys/wait.h>
#include "libssh/sshkey.h"
#include "libssh/sshbuf.h"
#include "libssh/digest.h"
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "ed25519/crypto_api.h"
#include "tlv.h"
#include "piv.h"
#include "bunyan.h"
boolean_t debug = B_FALSE;
static boolean_t parseable = B_FALSE;
static const char *cn = NULL;
static uint8_t *guid = NULL;
static size_t guid_len = 0;
static uint min_retries = 1;
static struct sshkey *opubkey = NULL;
static const char *pin = NULL;
static const uint8_t DEFAULT_ADMIN_KEY[] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
};
static const uint8_t *admin_key = DEFAULT_ADMIN_KEY;
static enum ykpiv_pin_policy pinpolicy = YKPIV_PIN_DEFAULT;
static enum ykpiv_touch_policy touchpolicy = YKPIV_TOUCH_DEFAULT;
static struct piv_token *ks = NULL;
static struct piv_token *selk = NULL;
//static struct piv_token *sysk = NULL;
static struct piv_slot *override = NULL;
extern char *buf_to_hex(const uint8_t *buf, size_t len, boolean_t spaces);
static boolean_t
sniff_hex(uint8_t *buf, uint len)
{
uint i, count = 0;
len = len > 16 ? 16 : len;
for (i = 0; i < len; ++i) {
char c;
if (buf[i] > CHAR_MAX)
return (B_FALSE);
c = buf[i];
if (c >= '0' && c <= '9') {
++count;
continue;
}
if (c >= 'a' && c <= 'f') {
++count;
continue;
}
if (c == ':' || c == ' ' || c == '\t' || c == '\n' ||
c == '\r') {
++count;
continue;
}
return (B_FALSE);
}
if (count >= 8)
return (B_TRUE);
return (B_FALSE);
}
static uint8_t *
parse_hex(const char *str, uint *outlen)
{
const uint len = strlen(str);
uint8_t *data = calloc(1, len / 2 + 1);
uint idx = 0;
uint shift = 4;
uint i;
for (i = 0; i < len; ++i) {
const char c = str[i];
boolean_t skip = B_FALSE;
if (c >= '0' && c <= '9') {
data[idx] |= (c - '0') << shift;
} else if (c >= 'a' && c <= 'f') {
data[idx] |= (c - 'a' + 0xa) << shift;
} else if (c >= 'A' && c <= 'F') {
data[idx] |= (c - 'A' + 0xA) << shift;
} else if (c == ':' || c == ' ' || c == '\t' ||
c == '\n' || c == '\r') {
skip = B_TRUE;
} else {
fprintf(stderr, "error: invalid hex digit: '%c'\n", c);
exit(1);
}
if (skip == B_FALSE) {
if (shift == 4) {
shift = 0;
} else if (shift == 0) {
++idx;
shift = 4;
}
}
}
if (shift == 0) {
fprintf(stderr, "error: odd number of hex digits "
"(incomplete)\n");
exit(1);
}
*outlen = idx;
return (data);
}
#define MAX_KEYFILE_LEN (1024)
static uint8_t *
read_key_file(const char *fname, uint *outlen)
{
FILE *f;
uint len;
uint8_t *buf;
f = fopen(fname, "r");
if (f == NULL) {
fprintf(stderr, "error: failed to open %s: %s\n", fname,
strerror(errno));
exit(2);
}
buf = calloc(1, MAX_KEYFILE_LEN);
VERIFY(buf != NULL);
len = fread(buf, 1, MAX_KEYFILE_LEN, f);
if (len <= 0) {
fprintf(stderr, "error: keyfile %s is too short\n", fname);
exit(2);
}
if (!feof(f)) {
fprintf(stderr, "error: keyfile %s is too long\n", fname);
exit(2);
}
*outlen = len;
fclose(f);
return (buf);
}
static uint8_t *
read_stdin(size_t limit, size_t *outlen)
{
uint8_t *buf = calloc(1, limit * 3);
size_t n;
n = fread(buf, 1, limit * 3 - 1, stdin);
if (!feof(stdin)) {
fprintf(stderr, "error: input too long (max %lu bytes)\n",
limit);
exit(1);
}
if (n > limit) {
fprintf(stderr, "error: input too long (max %lu bytes)\n",
limit);
exit(1);
}
*outlen = n;
return (buf);
}
static void
assert_select(struct piv_token *tk)
{
int rv;
rv = piv_select(tk);
if (rv != 0) {
piv_txn_end(tk);
fprintf(stderr, "error: failed to select PIV applet "
"(rv = %d)\n", rv);
exit(1);
}
}
static const char *
pin_type_to_name(enum piv_pin type)
{
switch (type) {
case PIV_PIN:
return ("PIV PIN");
case PIV_GLOBAL_PIN:
return ("Global PIN");
case PIV_PUK:
return ("PUK");
default:
VERIFY(0);
return (NULL);
}
}
static void
assert_pin(struct piv_token *pk, boolean_t prompt)
{
int rv;
uint retries = min_retries;
#if 0
if (pin == NULL && pk == sysk) {
rv = piv_system_token_auth(pk);
if (rv == 0)
return;
}
#endif
if (pin == NULL && !prompt)
return;
if (pin == NULL && prompt) {
char prompt[64];
char *guid;
guid = buf_to_hex(pk->pt_guid, 4, B_FALSE);
snprintf(prompt, 64, "Enter %s for token %s: ",
pin_type_to_name(pk->pt_auth), guid);
do {
pin = getpass(prompt);
} while (pin == NULL && errno == EINTR);
if ((pin == NULL && errno == ENXIO) || strlen(pin) < 1) {
piv_txn_end(pk);
fprintf(stderr, "error: a PIN is required to "
"unlock token %s\n", guid);
exit(4);
} else if (pin == NULL) {
piv_txn_end(pk);
perror("getpass");
exit(3);
} else if (strlen(pin) < 6 || strlen(pin) > 8) {
const char *charType = "digits";
if (selk->pt_ykpiv)
charType = "characters";
fprintf(stderr, "error: a valid PIN must be 6-8 "
"%s in length\n", charType);
exit(4);
}
pin = strdup(pin);
free(guid);
}
rv = piv_verify_pin(pk, pk->pt_auth, pin, &retries, B_FALSE);
if (rv == EACCES) {
piv_txn_end(pk);
if (retries == 0) {
fprintf(stderr, "error: token is locked due to too "
"many invalid PIN entries\n");
exit(10);
}
fprintf(stderr, "error: invalid PIN (%d attempts "
"remaining)\n", retries);
exit(4);
} else if (rv == EAGAIN) {
piv_txn_end(pk);
fprintf(stderr, "error: insufficient retries remaining "
"(%d left)\n", retries);
exit(4);
} else if (rv != 0) {
piv_txn_end(pk);
fprintf(stderr, "error: failed to verify PIN\n");
exit(4);
}
}
static const char *
alg_to_string(uint alg)
{
switch (alg) {
case PIV_ALG_3DES:
return ("3DES");
case PIV_ALG_RSA1024:
return ("RSA1024");
case PIV_ALG_RSA2048:
return ("RSA2048");
case PIV_ALG_AES128:
return ("AES128");
case PIV_ALG_AES192:
return ("AES192");
case PIV_ALG_AES256:
return ("AES256");
case PIV_ALG_ECCP256:
return ("ECCP256");
case PIV_ALG_ECCP384:
return ("ECCP384");
case PIV_ALG_ECCP256_SHA1:
return ("ECCP256-SHA1");
case PIV_ALG_ECCP256_SHA256:
return ("ECCP256-SHA256");
default:
return ("?");
}
}
static void
cmd_list(SCARDCONTEXT ctx)
{
struct piv_token *pk;
struct piv_slot *slot;
uint i;
char *buf = NULL;
for (pk = ks; pk != NULL; pk = pk->pt_next) {
if (guid != NULL &&
bcmp(pk->pt_guid, guid, guid_len) != 0) {
continue;
}
assert(piv_txn_begin(pk) == 0);
assert_select(pk);
piv_read_all_certs(pk);
piv_txn_end(pk);
if (parseable) {
free(buf);
buf = buf_to_hex(pk->pt_guid, sizeof (pk->pt_guid),
B_FALSE);
printf("%s:%s:%s:%s:%d.%d.%d:",
pk->pt_rdrname, buf,
pk->pt_nochuid ? "true" : "false",
pk->pt_ykpiv ? "true" : "false",
pk->pt_ykver[0], pk->pt_ykver[1], pk->pt_ykver[2]);
for (i = 0; i < pk->pt_alg_count; ++i) {
printf("%s%s", alg_to_string(pk->pt_algs[i]),
(i + 1 < pk->pt_alg_count) ? "," : "");
}
for (i = 0x9A; i < 0x9F; ++i) {
slot = piv_get_slot(pk, i);
if (slot == NULL) {
printf(":%02X", i);
} else {
printf(":%02X;%s;%s;%d",
i, slot->ps_subj,
sshkey_type(slot->ps_pubkey),
sshkey_size(slot->ps_pubkey));
}
}
printf("\n");
continue;
}
free(buf);
buf = buf_to_hex(pk->pt_guid, 4, B_FALSE);
printf("%10s: %s\n", "card", buf);
printf("%10s: %s\n", "device", pk->pt_rdrname);
if (pk->pt_nochuid) {
printf("%10s: %s\n", "chuid", "not set "
"(needs initialization)");
} else if (pk->pt_signedchuid) {
printf("%10s: %s\n", "chuid", "ok, signed");
} else {
printf("%10s: %s\n", "chuid", "ok");
}
free(buf);
buf = buf_to_hex(pk->pt_guid, sizeof (pk->pt_guid), B_FALSE);
printf("%10s: %s\n", "guid", buf);
free(buf);
buf = buf_to_hex(pk->pt_chuuid, sizeof (pk->pt_chuuid),
B_FALSE);
printf("%10s: %s\n", "owner", buf);
free(buf);
buf = buf_to_hex(pk->pt_fascn, pk->pt_fascn_len, B_FALSE);
printf("%10s: %s\n", "fasc-n", buf);
if (pk->pt_expiry[0] >= '0' && pk->pt_expiry[0] <= '9') {
printf("%10s: %c%c%c%c-%c%c-%c%c\n", "expiry",
pk->pt_expiry[0], pk->pt_expiry[1],
pk->pt_expiry[2], pk->pt_expiry[3],
pk->pt_expiry[4], pk->pt_expiry[5],
pk->pt_expiry[6], pk->pt_expiry[7]);
}
if (pk->pt_ykpiv) {
printf("%10s: implements YubicoPIV extensions "
"(v%d.%d.%d)\n", "yubico", pk->pt_ykver[0],
pk->pt_ykver[1], pk->pt_ykver[2]);
}
printf("%10s:", "auth");
if (pk->pt_pin_app && pk->pt_auth == PIV_PIN)
printf(" PIN*");
else if (pk->pt_pin_app)
printf(" PIN");
if (pk->pt_pin_global && pk->pt_auth == PIV_GLOBAL_PIN)
printf(" GlobalPIN*");
else if (pk->pt_pin_global)
printf(" GlobalPIN");
if (pk->pt_occ && pk->pt_auth == PIV_OCC)
printf(" Biometrics*");
else if (pk->pt_occ)
printf(" Biometrics");
printf("\n");
if (pk->pt_vci) {
printf("%10s: supports VCI (secure contactless)\n",
"vci");
}
if (pk->pt_alg_count > 0) {
printf("%10s: ", "algos");
for (i = 0; i < pk->pt_alg_count; ++i) {
printf("%s ", alg_to_string(pk->pt_algs[i]));
}
printf("\n");
}
if (pk->pt_nochuid) {
printf("%10s:\n", "action");
printf("%10s Initialize this card using 'piv-tool "
"init'\n", "");
printf("%10s No keys can be stored on an uninitialized"
" card\n", "");
printf("\n");
continue;
}
printf("%10s:\n", "slots");
printf("%10s %-3s %-6s %-4s %-30s\n", "", "ID", "TYPE",
"BITS", "CERTIFICATE");
for (slot = pk->pt_slots; slot != NULL; slot = slot->ps_next) {
printf("%10s %-3x %-6s %-4d %-30s\n", "",
slot->ps_slot, sshkey_type(slot->ps_pubkey),
sshkey_size(slot->ps_pubkey), slot->ps_subj);
}
printf("\n");
}
}
static void
cmd_init(void)
{
int rv;
struct tlv_state *ccc, *chuid;
uint8_t nguid[16];
uint8_t fascn[25];
uint8_t expiry[8] = { '2', '0', '5', '0', '0', '1', '0', '1' };
uint8_t cardId[21] = {
/* GSC-RID: GSC-IS data model */
0xa0, 0x00, 0x00, 0x01, 0x16,
/* Manufacturer: ff (unknown) */
0xff,
/* Card type: JavaCard */
0x02,
0x00
};
arc4random_buf(nguid, sizeof (nguid));
arc4random_buf(&cardId[6], sizeof (cardId) - 6);
bzero(fascn, sizeof (fascn));
/* First, the CCC */
ccc = tlv_init_write();
/* Our card ID */
tlv_push(ccc, 0xF0);
tlv_write(ccc, cardId, 0, sizeof (cardId));
tlv_pop(ccc);
/* Container version numbers */
tlv_push(ccc, 0xF1);
tlv_write_byte(ccc, 0x21);
tlv_pop(ccc);
tlv_push(ccc, 0xF2);
tlv_write_byte(ccc, 0x21);
tlv_pop(ccc);
tlv_push(ccc, 0xF3);
tlv_pop(ccc);
tlv_push(ccc, 0xF4);
tlv_pop(ccc);
/* Data Model number */
tlv_push(ccc, 0xF5);
tlv_write_byte(ccc, 0x10);
tlv_pop(ccc);
tlv_push(ccc, 0xF6);
tlv_pop(ccc);
tlv_push(ccc, 0xF7);
tlv_pop(ccc);
tlv_push(ccc, 0xFA);
tlv_pop(ccc);
tlv_push(ccc, 0xFB);
tlv_pop(ccc);
tlv_push(ccc, 0xFC);
tlv_pop(ccc);
tlv_push(ccc, 0xFD);
tlv_pop(ccc);
tlv_push(ccc, 0xFE);
tlv_pop(ccc);
/* Now, set up the CHUID file */
chuid = tlv_init_write();
tlv_push(chuid, 0x30);
tlv_write(chuid, fascn, 0, sizeof (fascn));
tlv_pop(chuid);
tlv_push(chuid, 0x34);
tlv_write(chuid, nguid, 0, sizeof (nguid));
tlv_pop(chuid);
tlv_push(chuid, 0x35);
tlv_write(chuid, expiry, 0, sizeof (expiry));
tlv_pop(chuid);
tlv_push(chuid, 0x3E);
tlv_pop(chuid);
tlv_push(chuid, 0xFE);
tlv_pop(chuid);
piv_txn_begin(selk);
assert_select(selk);
rv = piv_auth_admin(selk, admin_key, 24);
if (rv == 0) {
rv = piv_write_file(selk, PIV_TAG_CARDCAP,
tlv_buf(ccc), tlv_len(ccc));
}
if (rv == 0) {
rv = piv_write_file(selk, PIV_TAG_CHUID,
tlv_buf(chuid), tlv_len(chuid));
}
piv_txn_end(selk);
tlv_free(ccc);
tlv_free(chuid);
if (rv == ENOMEM) {
fprintf(stderr, "error: card is out of EEPROM\n");
exit(1);
} else if (rv == EPERM || rv == EACCES) {
fprintf(stderr, "error: admin authentication failed\n");
exit(1);
} else if (rv != 0) {
fprintf(stderr, "error: failed to write to card\n");
exit(1);
}
/* This is for cmd_setup */
guid = malloc(16);
bcopy(nguid, guid, sizeof (nguid));
guid_len = 16;
}
static void
cmd_set_admin(uint8_t *new_admin_key)
{
int rv;
piv_txn_begin(selk);
assert_select(selk);
rv = piv_auth_admin(selk, admin_key, 24);
if (rv == 0) {
rv = ykpiv_set_admin(selk, new_admin_key, 24, touchpolicy);
}
piv_txn_end(selk);
if (rv == EINVAL) {
fprintf(stderr, "error: card is not a yubikey or does not "
"support changing admin key\n");
exit(1);
} else if (rv == ENOENT) {
fprintf(stderr, "error: card has no 3DES admin key\n");
exit(1);
} else if (rv == EACCES || rv == EPERM) {
fprintf(stderr, "error: admin authentication failed\n");
exit(1);
} else if (rv != 0) {
fprintf(stderr, "error: failed to write to card\n");
exit(1);
}
}
#if 0
static void
cmd_set_system(void)
{
int rv;
char prompt[64];
char *guid;
uint retries = min_retries;
if (pin == NULL) {
guid = buf_to_hex(selk->pt_guid, 4, B_FALSE);
snprintf(prompt, 64, "Enter PIV PIN for token %s: ", guid);
do {
pin = getpass(prompt);
} while (pin == NULL && errno == EINTR);
if (pin == NULL && errno == ENXIO) {
fprintf(stderr, "error: a PIN code is required to "
"unlock token %s\n", guid);
exit(4);
} else if (pin == NULL) {
perror("getpass");
exit(3);
}
pin = strdup(pin);
free(guid);
}
VERIFY0(piv_txn_begin(selk));
assert_select(selk);
#if 0
rv = piv_system_token_set(selk, pin, &retries);
#endif
piv_txn_end(selk);
if (rv == EACCES) {
if (retries == 0) {
fprintf(stderr, "error: token is locked due to too "
"many invalid PIN code entries\n");
exit(10);
}
fprintf(stderr, "error: invalid PIN code (%d attempts "
"remaining)\n", retries);
exit(4);
} else if (rv == EAGAIN) {
fprintf(stderr, "error: PIN code only has %d retries "
"remaining, refusing to attempt unlock\n", retries);
exit(5);
} else if (rv != 0) {
fprintf(stderr, "error: failed to set system token (rv = %d)\n",
rv);
exit(1);
}
exit(0);
}
#endif
static void
cmd_change_pin(enum piv_pin pintype)
{
int rv;
char prompt[64];
char *p, *newpin, *guidhex;
const char *charType = "digits";
if (selk->pt_ykpiv)
charType = "characters";
guidhex = buf_to_hex(selk->pt_guid, 4, B_FALSE);
if (pin == NULL) {
snprintf(prompt, 64, "Enter current %s (%s): ",
pin_type_to_name(pintype), guidhex);
do {
p = getpass(prompt);
} while (p == NULL && errno == EINTR);
if (p == NULL) {
perror("getpass");
exit(1);
}
pin = strdup(p);
}
again:
snprintf(prompt, 64, "Enter new %s (%s): ",
pin_type_to_name(pintype), guidhex);
do {
p = getpass(prompt);
} while (p == NULL && errno == EINTR);
if (p == NULL) {
perror("getpass");
exit(1);
}
if (strlen(p) < 6 || strlen(p) > 8) {
fprintf(stderr, "error: PIN must be 6-8 %s\n", charType);
goto again;
}
newpin = strdup(p);
snprintf(prompt, 64, "Confirm new %s (%s): ",
pin_type_to_name(pintype), guidhex);
do {
p = getpass(prompt);
} while (p == NULL && errno == EINTR);
if (p == NULL) {
perror("getpass");
exit(1);
}
if (strcmp(p, newpin) != 0) {
fprintf(stderr, "error: PINs do not match\n");
goto again;
}
free(guidhex);
VERIFY0(piv_txn_begin(selk));
assert_select(selk);
rv = piv_change_pin(selk, pintype, pin, newpin);
piv_txn_end(selk);
if (rv == EACCES) {
fprintf(stderr, "error: current PIN was incorrect; PIN change "
"attempt failed\n");
exit(4);
} else if (rv != 0) {
fprintf(stderr, "error: failed to set new PIN\n");
exit(1);
}
}
static void
cmd_reset_pin(void)
{
int rv;
char prompt[64];
char *p, *newpin, *guidhex;
const char *charType = "digits";
if (selk->pt_ykpiv)
charType = "characters";
guidhex = buf_to_hex(selk->pt_guid, 4, B_FALSE);
snprintf(prompt, 64, "Enter PUK (%s): ", guidhex);
do {
p = getpass(prompt);
} while (p == NULL && errno == EINTR);
if (p == NULL) {
perror("getpass");
exit(1);
}
pin = strdup(p);
again:
snprintf(prompt, 64, "Enter new PIV PIN (%s): ", guidhex);
do {
p = getpass(prompt);
} while (p == NULL && errno == EINTR);
if (p == NULL) {
perror("getpass");
exit(1);
}
if (strlen(p) < 6 || strlen(p) > 8) {
fprintf(stderr, "error: PIN must be 6-8 %s\n", charType);
goto again;
}
newpin = strdup(p);
snprintf(prompt, 64, "Confirm new PIV PIN (%s): ", guidhex);
do {
p = getpass(prompt);
} while (p == NULL && errno == EINTR);
if (p == NULL) {
perror("getpass");
exit(1);
}
if (strcmp(p, newpin) != 0) {
fprintf(stderr, "error: PINs do not match\n");
goto again;
}
free(guidhex);
VERIFY0(piv_txn_begin(selk));
assert_select(selk);
rv = piv_reset_pin(selk, PIV_PIN, pin, newpin);
piv_txn_end(selk);
if (rv == EACCES) {
fprintf(stderr, "error: PUK was incorrect; PIN reset "
"attempt failed\n");
exit(4);
} else if (rv != 0) {
fprintf(stderr, "error: failed to set new PIN\n");
exit(1);
}
}
static void
cmd_generate(uint slotid, enum piv_alg alg)
{
char *buf;
int rv;
struct sshkey *pub;
X509 *cert;
EVP_PKEY *pkey;
X509_NAME *subj;
const char *ku, *basic;
char *name;
enum sshdigest_types wantalg, hashalg;
int nid;
ASN1_TYPE null_parameter;
uint8_t *tbs = NULL, *sig, *cdata = NULL;
size_t tbslen, siglen, cdlen;
uint flags;
uint i;
BIGNUM *serial;
ASN1_INTEGER *serial_asn1;
X509_EXTENSION *ext;
X509V3_CTX x509ctx;
char *guidhex;
guidhex = buf_to_hex(selk->pt_guid, sizeof (selk->pt_guid), B_FALSE);
switch (slotid) {
case 0x9A:
name = "piv-auth";
basic = "critical,CA:FALSE";
ku = "critical,digitalSignature,nonRepudiation";
break;
case 0x9C:
name = "piv-sign";
basic = "critical,CA:TRUE";
ku = "critical,digitalSignature,nonRepudiation,"
"keyCertSign,cRLSign";
break;
case 0x9D:
name = "piv-key-mgmt";
basic = "critical,CA:FALSE";
ku = "critical,keyAgreement,keyEncipherment,dataEncipherment";
break;
case 0x9E:
name = "piv-card-auth";
basic = "critical,CA:FALSE";
ku = "critical,digitalSignature,nonRepudiation";
break;
case 0x82:
case 0x83:
case 0x84:
case 0x85:
case 0x86:
case 0x87:
case 0x88:
case 0x89:
case 0x8A:
case 0x8B:
case 0x8C:
case 0x8D:
case 0x8E:
case 0x8F:
case 0x90:
case 0x91:
case 0x92:
case 0x93:
case 0x94:
case 0x95:
name = calloc(1, 64);
snprintf(name, 64, "piv-retired-%u", slotid - 0x81);
basic = "critical,CA:FALSE";
ku = "critical,digitalSignature,nonRepudiation";
if (slotid - 0x82 > selk->pt_hist_oncard) {
fprintf(stderr, "error: next available key history "
"slot is %02X (must be used in order)\n",
0x82 + selk->pt_hist_oncard);
exit(3);
}
break;
default:
fprintf(stderr, "error: PIV slot %02X cannot be "
"used for asymmetric crypto\n", slotid);
exit(3);
}
piv_txn_begin(selk);
assert_select(selk);
rv = piv_auth_admin(selk, admin_key, 24);
if (rv == 0) {
if (pinpolicy == YKPIV_PIN_DEFAULT &&
touchpolicy == YKPIV_TOUCH_DEFAULT) {
rv = piv_generate(selk, slotid, alg, &pub);
} else {
rv = ykpiv_generate(selk, slotid, alg, pinpolicy,
touchpolicy, &pub);
}
}
if (rv != 0) {
piv_txn_end(selk);
fprintf(stderr, "error: key generation failed (%d)\n", rv);
exit(1);
}
pkey = EVP_PKEY_new();
assert(pkey != NULL);
if (pub->type == KEY_RSA) {
RSA *copy = RSA_new();
assert(copy != NULL);
copy->e = BN_dup(pub->rsa->e);
assert(copy->e != NULL);
copy->n = BN_dup(pub->rsa->n);
assert(copy->n != NULL);
rv = EVP_PKEY_assign_RSA(pkey, copy);
assert(rv == 1);
nid = NID_sha256WithRSAEncryption;
wantalg = SSH_DIGEST_SHA256;
} else if (pub->type == KEY_ECDSA) {
boolean_t haveSha256 = B_FALSE;
boolean_t haveSha1 = B_FALSE;
EC_KEY *copy = EC_KEY_dup(pub->ecdsa);
rv = EVP_PKEY_assign_EC_KEY(pkey, copy);
assert(rv == 1);
for (i = 0; i < selk->pt_alg_count; ++i) {
if (selk->pt_algs[i] == PIV_ALG_ECCP256_SHA256) {
haveSha256 = B_TRUE;
} else if (selk->pt_algs[i] == PIV_ALG_ECCP256_SHA1) {
haveSha1 = B_TRUE;
}
}
if (haveSha1 && !haveSha256) {
nid = NID_ecdsa_with_SHA1;
wantalg = SSH_DIGEST_SHA1;
} else {
nid = NID_ecdsa_with_SHA256;
wantalg = SSH_DIGEST_SHA256;
}
} else {
assert(0);
}
serial = BN_new();
serial_asn1 = ASN1_INTEGER_new();
assert(serial != NULL);
assert(BN_pseudo_rand(serial, 64, 0, 0) == 1);
assert(BN_to_ASN1_INTEGER(serial, serial_asn1) != NULL);
cert = X509_new();
assert(cert != NULL);
assert(X509_set_version(cert, 2) == 1);
assert(X509_set_serialNumber(cert, serial_asn1) == 1);
assert(X509_gmtime_adj(X509_get_notBefore(cert), 0) != NULL);
assert(X509_gmtime_adj(X509_get_notAfter(cert), 315360000L) != NULL);
subj = X509_NAME_new();
assert(subj != NULL);
if (cn == NULL) {
assert(X509_NAME_add_entry_by_NID(subj, NID_title, MBSTRING_ASC,
(unsigned char *)name, -1, -1, 0) == 1);
assert(X509_NAME_add_entry_by_NID(subj, NID_commonName,
MBSTRING_ASC, (unsigned char *)guidhex, -1, -1, 0) == 1);
} else {
assert(X509_NAME_add_entry_by_NID(subj, NID_commonName,
MBSTRING_ASC, (unsigned char *)cn, -1, -1, 0) == 1);
}
/*assert(X509_NAME_add_entry_by_NID(subj, NID_organizationalUnitName,
MBSTRING_ASC, (unsigned char *)"tokens", -1, -1, 0) == 1);
assert(X509_NAME_add_entry_by_NID(subj, NID_organizationName,
MBSTRING_ASC, (unsigned char *)"triton", -1, -1, 0) == 1);*/
assert(X509_set_subject_name(cert, subj) == 1);
assert(X509_set_issuer_name(cert, subj) == 1);
X509V3_set_ctx_nodb(&x509ctx);
X509V3_set_ctx(&x509ctx, cert, cert, NULL, NULL, 0);
ext = X509V3_EXT_conf_nid(NULL, &x509ctx, NID_basic_constraints,
(char *)basic);
VERIFY(ext != NULL);
X509_add_ext(cert, ext, -1);
X509_EXTENSION_free(ext);
ext = X509V3_EXT_conf_nid(NULL, &x509ctx, NID_key_usage, (char *)ku);
VERIFY(ext != NULL);
X509_add_ext(cert, ext, -1);
X509_EXTENSION_free(ext);
assert(X509_set_pubkey(cert, pkey) == 1);
cert->sig_alg->algorithm = OBJ_nid2obj(nid);
cert->cert_info->signature->algorithm = cert->sig_alg->algorithm;
if (pub->type == KEY_RSA) {
bzero(&null_parameter, sizeof (null_parameter));
null_parameter.type = V_ASN1_NULL;
null_parameter.value.ptr = NULL;
cert->sig_alg->parameter = &null_parameter;
cert->cert_info->signature->parameter = &null_parameter;
}
cert->cert_info->enc.modified = 1;
tbslen = i2d_X509_CINF(cert->cert_info, &tbs);