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2e437378 | 1 | /* $OpenBSD: scard.c,v 1.36 2006/11/06 21:25:28 markus Exp $ */ |
3c0ef626 | 2 | /* |
3 | * Copyright (c) 2001 Markus Friedl. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * | |
14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
17 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 | */ | |
25 | ||
26 | #include "includes.h" | |
2980ea68 | 27 | #if defined(SMARTCARD) && defined(USE_SECTOK) |
3c0ef626 | 28 | |
2e437378 | 29 | #include <sys/types.h> |
30 | ||
3c0ef626 | 31 | #include <sectok.h> |
2e437378 | 32 | #include <stdarg.h> |
33 | #include <string.h> | |
34 | ||
35 | #include <openssl/evp.h> | |
3c0ef626 | 36 | |
2e437378 | 37 | #include "xmalloc.h" |
3c0ef626 | 38 | #include "key.h" |
39 | #include "log.h" | |
1b56ff3d | 40 | #include "misc.h" |
3c0ef626 | 41 | #include "scard.h" |
42 | ||
2980ea68 | 43 | #if OPENSSL_VERSION_NUMBER < 0x00907000L |
44 | #define USE_ENGINE | |
45 | #define RSA_get_default_method RSA_get_default_openssl_method | |
46 | #else | |
47 | #endif | |
48 | ||
49 | #ifdef USE_ENGINE | |
50 | #include <openssl/engine.h> | |
51 | #define sc_get_rsa sc_get_engine | |
52 | #else | |
53 | #define sc_get_rsa sc_get_rsa_method | |
54 | #endif | |
55 | ||
3c0ef626 | 56 | #define CLA_SSH 0x05 |
57 | #define INS_DECRYPT 0x10 | |
58 | #define INS_GET_KEYLENGTH 0x20 | |
59 | #define INS_GET_PUBKEY 0x30 | |
60 | #define INS_GET_RESPONSE 0xc0 | |
61 | ||
62 | #define MAX_BUF_SIZE 256 | |
63 | ||
2980ea68 | 64 | u_char DEFAUT0[] = {0xad, 0x9f, 0x61, 0xfe, 0xfa, 0x20, 0xce, 0x63}; |
65 | ||
3c0ef626 | 66 | static int sc_fd = -1; |
67 | static char *sc_reader_id = NULL; | |
2980ea68 | 68 | static char *sc_pin = NULL; |
3c0ef626 | 69 | static int cla = 0x00; /* class */ |
70 | ||
2980ea68 | 71 | static void sc_mk_digest(const char *pin, u_char *digest); |
72 | static int get_AUT0(u_char *aut0); | |
73 | static int try_AUT0(void); | |
74 | ||
3c0ef626 | 75 | /* interface to libsectok */ |
76 | ||
e9a17296 | 77 | static int |
3c0ef626 | 78 | sc_open(void) |
79 | { | |
80 | int sw; | |
81 | ||
82 | if (sc_fd >= 0) | |
83 | return sc_fd; | |
84 | ||
85 | sc_fd = sectok_friendly_open(sc_reader_id, STONOWAIT, &sw); | |
86 | if (sc_fd < 0) { | |
87 | error("sectok_open failed: %s", sectok_get_sw(sw)); | |
88 | return SCARD_ERROR_FAIL; | |
89 | } | |
90 | if (! sectok_cardpresent(sc_fd)) { | |
91 | debug("smartcard in reader %s not present, skipping", | |
92 | sc_reader_id); | |
93 | sc_close(); | |
94 | return SCARD_ERROR_NOCARD; | |
95 | } | |
96 | if (sectok_reset(sc_fd, 0, NULL, &sw) <= 0) { | |
97 | error("sectok_reset failed: %s", sectok_get_sw(sw)); | |
98 | sc_fd = -1; | |
99 | return SCARD_ERROR_FAIL; | |
100 | } | |
101 | if ((cla = cyberflex_inq_class(sc_fd)) < 0) | |
102 | cla = 0; | |
103 | ||
104 | debug("sc_open ok %d", sc_fd); | |
105 | return sc_fd; | |
106 | } | |
107 | ||
e9a17296 | 108 | static int |
3c0ef626 | 109 | sc_enable_applet(void) |
110 | { | |
111 | static u_char aid[] = {0xfc, 0x53, 0x73, 0x68, 0x2e, 0x62, 0x69, 0x6e}; | |
112 | int sw = 0; | |
113 | ||
114 | /* select applet id */ | |
115 | sectok_apdu(sc_fd, cla, 0xa4, 0x04, 0, sizeof aid, aid, 0, NULL, &sw); | |
116 | if (!sectok_swOK(sw)) { | |
117 | error("sectok_apdu failed: %s", sectok_get_sw(sw)); | |
118 | sc_close(); | |
119 | return -1; | |
120 | } | |
121 | return 0; | |
122 | } | |
123 | ||
e9a17296 | 124 | static int |
3c0ef626 | 125 | sc_init(void) |
126 | { | |
127 | int status; | |
128 | ||
129 | status = sc_open(); | |
130 | if (status == SCARD_ERROR_NOCARD) { | |
131 | return SCARD_ERROR_NOCARD; | |
132 | } | |
2e437378 | 133 | if (status < 0) { |
3c0ef626 | 134 | error("sc_open failed"); |
135 | return status; | |
136 | } | |
137 | if (sc_enable_applet() < 0) { | |
138 | error("sc_enable_applet failed"); | |
139 | return SCARD_ERROR_APPLET; | |
140 | } | |
141 | return 0; | |
142 | } | |
143 | ||
e9a17296 | 144 | static int |
3c0ef626 | 145 | sc_read_pubkey(Key * k) |
146 | { | |
147 | u_char buf[2], *n; | |
148 | char *p; | |
149 | int len, sw, status = -1; | |
150 | ||
151 | len = sw = 0; | |
152 | n = NULL; | |
153 | ||
154 | if (sc_fd < 0) { | |
2980ea68 | 155 | if (sc_init() < 0) |
3c0ef626 | 156 | goto err; |
157 | } | |
158 | ||
159 | /* get key size */ | |
160 | sectok_apdu(sc_fd, CLA_SSH, INS_GET_KEYLENGTH, 0, 0, 0, NULL, | |
e9a17296 | 161 | sizeof(buf), buf, &sw); |
3c0ef626 | 162 | if (!sectok_swOK(sw)) { |
163 | error("could not obtain key length: %s", sectok_get_sw(sw)); | |
164 | goto err; | |
165 | } | |
166 | len = (buf[0] << 8) | buf[1]; | |
167 | len /= 8; | |
168 | debug("INS_GET_KEYLENGTH: len %d sw %s", len, sectok_get_sw(sw)); | |
169 | ||
170 | n = xmalloc(len); | |
171 | /* get n */ | |
172 | sectok_apdu(sc_fd, CLA_SSH, INS_GET_PUBKEY, 0, 0, 0, NULL, len, n, &sw); | |
2980ea68 | 173 | |
174 | if (sw == 0x6982) { | |
175 | if (try_AUT0() < 0) | |
176 | goto err; | |
177 | sectok_apdu(sc_fd, CLA_SSH, INS_GET_PUBKEY, 0, 0, 0, NULL, len, n, &sw); | |
178 | } | |
3c0ef626 | 179 | if (!sectok_swOK(sw)) { |
180 | error("could not obtain public key: %s", sectok_get_sw(sw)); | |
181 | goto err; | |
182 | } | |
183 | ||
184 | debug("INS_GET_KEYLENGTH: sw %s", sectok_get_sw(sw)); | |
185 | ||
186 | if (BN_bin2bn(n, len, k->rsa->n) == NULL) { | |
187 | error("c_read_pubkey: BN_bin2bn failed"); | |
188 | goto err; | |
189 | } | |
190 | ||
191 | /* currently the java applet just stores 'n' */ | |
192 | if (!BN_set_word(k->rsa->e, 35)) { | |
193 | error("c_read_pubkey: BN_set_word(e, 35) failed"); | |
194 | goto err; | |
195 | } | |
196 | ||
197 | status = 0; | |
198 | p = key_fingerprint(k, SSH_FP_MD5, SSH_FP_HEX); | |
ff2d7a98 | 199 | debug("fingerprint %u %s", key_size(k), p); |
3c0ef626 | 200 | xfree(p); |
201 | ||
202 | err: | |
203 | if (n != NULL) | |
204 | xfree(n); | |
205 | sc_close(); | |
206 | return status; | |
207 | } | |
208 | ||
209 | /* private key operations */ | |
210 | ||
211 | static int | |
2980ea68 | 212 | sc_private_decrypt(int flen, u_char *from, u_char *to, RSA *rsa, |
213 | int padding) | |
3c0ef626 | 214 | { |
215 | u_char *padded = NULL; | |
216 | int sw, len, olen, status = -1; | |
217 | ||
218 | debug("sc_private_decrypt called"); | |
219 | ||
220 | olen = len = sw = 0; | |
221 | if (sc_fd < 0) { | |
222 | status = sc_init(); | |
2e437378 | 223 | if (status < 0) |
3c0ef626 | 224 | goto err; |
225 | } | |
226 | if (padding != RSA_PKCS1_PADDING) | |
227 | goto err; | |
228 | ||
229 | len = BN_num_bytes(rsa->n); | |
230 | padded = xmalloc(len); | |
231 | ||
2980ea68 | 232 | sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, from, len, padded, &sw); |
233 | ||
234 | if (sw == 0x6982) { | |
235 | if (try_AUT0() < 0) | |
236 | goto err; | |
237 | sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, from, len, padded, &sw); | |
3c0ef626 | 238 | } |
3c0ef626 | 239 | if (!sectok_swOK(sw)) { |
2980ea68 | 240 | error("sc_private_decrypt: INS_DECRYPT failed: %s", |
3c0ef626 | 241 | sectok_get_sw(sw)); |
242 | goto err; | |
243 | } | |
244 | olen = RSA_padding_check_PKCS1_type_2(to, len, padded + 1, len - 1, | |
245 | len); | |
246 | err: | |
247 | if (padded) | |
248 | xfree(padded); | |
249 | sc_close(); | |
250 | return (olen >= 0 ? olen : status); | |
251 | } | |
252 | ||
253 | static int | |
2980ea68 | 254 | sc_private_encrypt(int flen, u_char *from, u_char *to, RSA *rsa, |
255 | int padding) | |
3c0ef626 | 256 | { |
257 | u_char *padded = NULL; | |
258 | int sw, len, status = -1; | |
259 | ||
260 | len = sw = 0; | |
261 | if (sc_fd < 0) { | |
262 | status = sc_init(); | |
2e437378 | 263 | if (status < 0) |
3c0ef626 | 264 | goto err; |
265 | } | |
266 | if (padding != RSA_PKCS1_PADDING) | |
267 | goto err; | |
268 | ||
269 | debug("sc_private_encrypt called"); | |
270 | len = BN_num_bytes(rsa->n); | |
271 | padded = xmalloc(len); | |
272 | ||
2980ea68 | 273 | if (RSA_padding_add_PKCS1_type_1(padded, len, (u_char *)from, flen) <= 0) { |
3c0ef626 | 274 | error("RSA_padding_add_PKCS1_type_1 failed"); |
275 | goto err; | |
276 | } | |
2980ea68 | 277 | sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, padded, len, to, &sw); |
278 | if (sw == 0x6982) { | |
279 | if (try_AUT0() < 0) | |
280 | goto err; | |
281 | sectok_apdu(sc_fd, CLA_SSH, INS_DECRYPT, 0, 0, len, padded, len, to, &sw); | |
3c0ef626 | 282 | } |
3c0ef626 | 283 | if (!sectok_swOK(sw)) { |
2980ea68 | 284 | error("sc_private_encrypt: INS_DECRYPT failed: %s", |
3c0ef626 | 285 | sectok_get_sw(sw)); |
286 | goto err; | |
287 | } | |
288 | err: | |
289 | if (padded) | |
290 | xfree(padded); | |
291 | sc_close(); | |
292 | return (len >= 0 ? len : status); | |
293 | } | |
294 | ||
295 | /* called on free */ | |
296 | ||
297 | static int (*orig_finish)(RSA *rsa) = NULL; | |
298 | ||
299 | static int | |
300 | sc_finish(RSA *rsa) | |
301 | { | |
302 | if (orig_finish) | |
303 | orig_finish(rsa); | |
304 | sc_close(); | |
305 | return 1; | |
306 | } | |
307 | ||
3c0ef626 | 308 | /* engine for overloading private key operations */ |
309 | ||
2980ea68 | 310 | static RSA_METHOD * |
311 | sc_get_rsa_method(void) | |
3c0ef626 | 312 | { |
2980ea68 | 313 | static RSA_METHOD smart_rsa; |
314 | const RSA_METHOD *def = RSA_get_default_method(); | |
315 | ||
316 | /* use the OpenSSL version */ | |
317 | memcpy(&smart_rsa, def, sizeof(smart_rsa)); | |
3c0ef626 | 318 | |
2980ea68 | 319 | smart_rsa.name = "sectok"; |
3c0ef626 | 320 | |
321 | /* overload */ | |
322 | smart_rsa.rsa_priv_enc = sc_private_encrypt; | |
323 | smart_rsa.rsa_priv_dec = sc_private_decrypt; | |
324 | ||
325 | /* save original */ | |
326 | orig_finish = def->finish; | |
327 | smart_rsa.finish = sc_finish; | |
328 | ||
2980ea68 | 329 | return &smart_rsa; |
330 | } | |
331 | ||
332 | #ifdef USE_ENGINE | |
333 | static ENGINE * | |
334 | sc_get_engine(void) | |
335 | { | |
336 | static ENGINE *smart_engine = NULL; | |
3c0ef626 | 337 | |
e9a17296 | 338 | if ((smart_engine = ENGINE_new()) == NULL) |
339 | fatal("ENGINE_new failed"); | |
3c0ef626 | 340 | |
341 | ENGINE_set_id(smart_engine, "sectok"); | |
342 | ENGINE_set_name(smart_engine, "libsectok"); | |
2980ea68 | 343 | |
344 | ENGINE_set_RSA(smart_engine, sc_get_rsa_method()); | |
3c0ef626 | 345 | ENGINE_set_DSA(smart_engine, DSA_get_default_openssl_method()); |
346 | ENGINE_set_DH(smart_engine, DH_get_default_openssl_method()); | |
347 | ENGINE_set_RAND(smart_engine, RAND_SSLeay()); | |
348 | ENGINE_set_BN_mod_exp(smart_engine, BN_mod_exp); | |
349 | ||
350 | return smart_engine; | |
351 | } | |
2980ea68 | 352 | #endif |
3c0ef626 | 353 | |
354 | void | |
355 | sc_close(void) | |
356 | { | |
357 | if (sc_fd >= 0) { | |
358 | sectok_close(sc_fd); | |
359 | sc_fd = -1; | |
360 | } | |
361 | } | |
362 | ||
2980ea68 | 363 | Key ** |
364 | sc_get_keys(const char *id, const char *pin) | |
3c0ef626 | 365 | { |
2980ea68 | 366 | Key *k, *n, **keys; |
367 | int status, nkeys = 2; | |
3c0ef626 | 368 | |
369 | if (sc_reader_id != NULL) | |
370 | xfree(sc_reader_id); | |
371 | sc_reader_id = xstrdup(id); | |
372 | ||
2980ea68 | 373 | if (sc_pin != NULL) |
374 | xfree(sc_pin); | |
375 | sc_pin = (pin == NULL) ? NULL : xstrdup(pin); | |
376 | ||
3c0ef626 | 377 | k = key_new(KEY_RSA); |
378 | if (k == NULL) { | |
379 | return NULL; | |
380 | } | |
381 | status = sc_read_pubkey(k); | |
382 | if (status == SCARD_ERROR_NOCARD) { | |
383 | key_free(k); | |
384 | return NULL; | |
385 | } | |
2e437378 | 386 | if (status < 0) { |
3c0ef626 | 387 | error("sc_read_pubkey failed"); |
388 | key_free(k); | |
389 | return NULL; | |
390 | } | |
2e437378 | 391 | keys = xcalloc((nkeys+1), sizeof(Key *)); |
2980ea68 | 392 | |
393 | n = key_new(KEY_RSA1); | |
2e437378 | 394 | if ((BN_copy(n->rsa->n, k->rsa->n) == NULL) || |
395 | (BN_copy(n->rsa->e, k->rsa->e) == NULL)) | |
396 | fatal("sc_get_keys: BN_copy failed"); | |
2980ea68 | 397 | RSA_set_method(n->rsa, sc_get_rsa()); |
398 | n->flags |= KEY_FLAG_EXT; | |
399 | keys[0] = n; | |
400 | ||
401 | n = key_new(KEY_RSA); | |
2e437378 | 402 | if ((BN_copy(n->rsa->n, k->rsa->n) == NULL) || |
403 | (BN_copy(n->rsa->e, k->rsa->e) == NULL)) | |
404 | fatal("sc_get_keys: BN_copy failed"); | |
2980ea68 | 405 | RSA_set_method(n->rsa, sc_get_rsa()); |
406 | n->flags |= KEY_FLAG_EXT; | |
407 | keys[1] = n; | |
408 | ||
409 | keys[2] = NULL; | |
410 | ||
411 | key_free(k); | |
412 | return keys; | |
413 | } | |
414 | ||
415 | #define NUM_RSA_KEY_ELEMENTS 5+1 | |
416 | #define COPY_RSA_KEY(x, i) \ | |
417 | do { \ | |
418 | len = BN_num_bytes(prv->rsa->x); \ | |
419 | elements[i] = xmalloc(len); \ | |
420 | debug("#bytes %d", len); \ | |
421 | if (BN_bn2bin(prv->rsa->x, elements[i]) < 0) \ | |
422 | goto done; \ | |
423 | } while (0) | |
424 | ||
425 | static void | |
426 | sc_mk_digest(const char *pin, u_char *digest) | |
427 | { | |
428 | const EVP_MD *evp_md = EVP_sha1(); | |
429 | EVP_MD_CTX md; | |
430 | ||
431 | EVP_DigestInit(&md, evp_md); | |
432 | EVP_DigestUpdate(&md, pin, strlen(pin)); | |
433 | EVP_DigestFinal(&md, digest, NULL); | |
434 | } | |
435 | ||
436 | static int | |
437 | get_AUT0(u_char *aut0) | |
438 | { | |
439 | char *pass; | |
440 | ||
441 | pass = read_passphrase("Enter passphrase for smartcard: ", RP_ALLOW_STDIN); | |
442 | if (pass == NULL) | |
443 | return -1; | |
444 | if (!strcmp(pass, "-")) { | |
445 | memcpy(aut0, DEFAUT0, sizeof DEFAUT0); | |
446 | return 0; | |
447 | } | |
448 | sc_mk_digest(pass, aut0); | |
449 | memset(pass, 0, strlen(pass)); | |
450 | xfree(pass); | |
451 | return 0; | |
452 | } | |
453 | ||
454 | static int | |
455 | try_AUT0(void) | |
456 | { | |
457 | u_char aut0[EVP_MAX_MD_SIZE]; | |
458 | ||
459 | /* permission denied; try PIN if provided */ | |
460 | if (sc_pin && strlen(sc_pin) > 0) { | |
461 | sc_mk_digest(sc_pin, aut0); | |
462 | if (cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) { | |
463 | error("smartcard passphrase incorrect"); | |
464 | return (-1); | |
465 | } | |
466 | } else { | |
467 | /* try default AUT0 key */ | |
468 | if (cyberflex_verify_AUT0(sc_fd, cla, DEFAUT0, 8) < 0) { | |
469 | /* default AUT0 key failed; prompt for passphrase */ | |
470 | if (get_AUT0(aut0) < 0 || | |
471 | cyberflex_verify_AUT0(sc_fd, cla, aut0, 8) < 0) { | |
472 | error("smartcard passphrase incorrect"); | |
473 | return (-1); | |
474 | } | |
475 | } | |
476 | } | |
477 | return (0); | |
478 | } | |
479 | ||
480 | int | |
481 | sc_put_key(Key *prv, const char *id) | |
482 | { | |
483 | u_char *elements[NUM_RSA_KEY_ELEMENTS]; | |
484 | u_char key_fid[2]; | |
485 | u_char AUT0[EVP_MAX_MD_SIZE]; | |
486 | int len, status = -1, i, fd = -1, ret; | |
487 | int sw = 0, cla = 0x00; | |
488 | ||
489 | for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++) | |
490 | elements[i] = NULL; | |
491 | ||
492 | COPY_RSA_KEY(q, 0); | |
493 | COPY_RSA_KEY(p, 1); | |
494 | COPY_RSA_KEY(iqmp, 2); | |
495 | COPY_RSA_KEY(dmq1, 3); | |
496 | COPY_RSA_KEY(dmp1, 4); | |
497 | COPY_RSA_KEY(n, 5); | |
498 | len = BN_num_bytes(prv->rsa->n); | |
499 | fd = sectok_friendly_open(id, STONOWAIT, &sw); | |
500 | if (fd < 0) { | |
501 | error("sectok_open failed: %s", sectok_get_sw(sw)); | |
502 | goto done; | |
503 | } | |
504 | if (! sectok_cardpresent(fd)) { | |
505 | error("smartcard in reader %s not present", id); | |
506 | goto done; | |
507 | } | |
508 | ret = sectok_reset(fd, 0, NULL, &sw); | |
509 | if (ret <= 0) { | |
510 | error("sectok_reset failed: %s", sectok_get_sw(sw)); | |
511 | goto done; | |
512 | } | |
513 | if ((cla = cyberflex_inq_class(fd)) < 0) { | |
514 | error("cyberflex_inq_class failed"); | |
515 | goto done; | |
516 | } | |
517 | memcpy(AUT0, DEFAUT0, sizeof(DEFAUT0)); | |
518 | if (cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) { | |
519 | if (get_AUT0(AUT0) < 0 || | |
520 | cyberflex_verify_AUT0(fd, cla, AUT0, sizeof(DEFAUT0)) < 0) { | |
521 | memset(AUT0, 0, sizeof(DEFAUT0)); | |
522 | error("smartcard passphrase incorrect"); | |
523 | goto done; | |
524 | } | |
525 | } | |
526 | memset(AUT0, 0, sizeof(DEFAUT0)); | |
527 | key_fid[0] = 0x00; | |
528 | key_fid[1] = 0x12; | |
529 | if (cyberflex_load_rsa_priv(fd, cla, key_fid, 5, 8*len, elements, | |
530 | &sw) < 0) { | |
531 | error("cyberflex_load_rsa_priv failed: %s", sectok_get_sw(sw)); | |
532 | goto done; | |
533 | } | |
534 | if (!sectok_swOK(sw)) | |
535 | goto done; | |
70791e56 | 536 | logit("cyberflex_load_rsa_priv done"); |
2980ea68 | 537 | key_fid[0] = 0x73; |
538 | key_fid[1] = 0x68; | |
539 | if (cyberflex_load_rsa_pub(fd, cla, key_fid, len, elements[5], | |
540 | &sw) < 0) { | |
541 | error("cyberflex_load_rsa_pub failed: %s", sectok_get_sw(sw)); | |
542 | goto done; | |
543 | } | |
544 | if (!sectok_swOK(sw)) | |
545 | goto done; | |
70791e56 | 546 | logit("cyberflex_load_rsa_pub done"); |
2980ea68 | 547 | status = 0; |
548 | ||
549 | done: | |
550 | memset(elements[0], '\0', BN_num_bytes(prv->rsa->q)); | |
551 | memset(elements[1], '\0', BN_num_bytes(prv->rsa->p)); | |
552 | memset(elements[2], '\0', BN_num_bytes(prv->rsa->iqmp)); | |
553 | memset(elements[3], '\0', BN_num_bytes(prv->rsa->dmq1)); | |
554 | memset(elements[4], '\0', BN_num_bytes(prv->rsa->dmp1)); | |
555 | memset(elements[5], '\0', BN_num_bytes(prv->rsa->n)); | |
556 | ||
557 | for (i = 0; i < NUM_RSA_KEY_ELEMENTS; i++) | |
558 | if (elements[i]) | |
559 | xfree(elements[i]); | |
560 | if (fd != -1) | |
561 | sectok_close(fd); | |
562 | return (status); | |
3c0ef626 | 563 | } |
70791e56 | 564 | |
565 | char * | |
566 | sc_get_key_label(Key *key) | |
567 | { | |
568 | return xstrdup("smartcard key"); | |
569 | } | |
570 | ||
2980ea68 | 571 | #endif /* SMARTCARD && USE_SECTOK */ |