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etc/services - sync with NetBSD-8
[minix.git] / crypto / external / bsd / openssl / dist / engines / e_4758cca.c
blob5f771986cfae2b8631961d6f166b4a95dea06ea9
1 /* Author: Maurice Gittens <maurice@gittens.nl> */
2 /* ====================================================================
3 * Copyright (c) 1999 The OpenSSL Project. 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 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * licensing@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56 #include <stdio.h>
57 #include <string.h>
58 #include <openssl/crypto.h>
59 #include <openssl/dso.h>
60 #include <openssl/x509.h>
61 #include <openssl/objects.h>
62 #include <openssl/engine.h>
63 #include <openssl/rand.h>
64 #ifndef OPENSSL_NO_RSA
65 # include <openssl/rsa.h>
66 #endif
67 #include <openssl/bn.h>
68
69 #ifndef OPENSSL_NO_HW
70 # ifndef OPENSSL_NO_HW_4758_CCA
71
72 # ifdef FLAT_INC
73 # include "hw_4758_cca.h"
74 # else
75 # include "vendor_defns/hw_4758_cca.h"
76 # endif
77
78 # include "e_4758cca_err.c"
79
80 static int ibm_4758_cca_destroy(ENGINE *e);
81 static int ibm_4758_cca_init(ENGINE *e);
82 static int ibm_4758_cca_finish(ENGINE *e);
83 static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p,
84 void (*f) (void));
85
86 /* rsa functions */
87 /* -------------*/
88 # ifndef OPENSSL_NO_RSA
89 static int cca_rsa_pub_enc(int flen, const unsigned char *from,
90 unsigned char *to, RSA *rsa, int padding);
91 static int cca_rsa_priv_dec(int flen, const unsigned char *from,
92 unsigned char *to, RSA *rsa, int padding);
93 static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
94 unsigned char *sigret, unsigned int *siglen,
95 const RSA *rsa);
96 static int cca_rsa_verify(int dtype, const unsigned char *m,
97 unsigned int m_len, const unsigned char *sigbuf,
98 unsigned int siglen, const RSA *rsa);
99
100 /* utility functions */
101 /* ---------------------*/
102 static EVP_PKEY *ibm_4758_load_privkey(ENGINE *, const char *,
103 UI_METHOD *ui_method,
104 void *callback_data);
105 static EVP_PKEY *ibm_4758_load_pubkey(ENGINE *, const char *,
106 UI_METHOD *ui_method,
107 void *callback_data);
108
109 static int getModulusAndExponent(const unsigned char *token,
110 long *exponentLength,
111 unsigned char *exponent, long *modulusLength,
112 long *modulusFieldLength,
113 unsigned char *modulus);
114 # endif
115
116 /* RAND number functions */
117 /* ---------------------*/
118 static int cca_get_random_bytes(unsigned char *, int);
119 static int cca_random_status(void);
120
121 # ifndef OPENSSL_NO_RSA
122 static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
123 int idx, long argl, void *argp);
124 # endif
125
126 /* Function pointers for CCA verbs */
127 /* -------------------------------*/
128 # ifndef OPENSSL_NO_RSA
129 static F_KEYRECORDREAD keyRecordRead;
130 static F_DIGITALSIGNATUREGENERATE digitalSignatureGenerate;
131 static F_DIGITALSIGNATUREVERIFY digitalSignatureVerify;
132 static F_PUBLICKEYEXTRACT publicKeyExtract;
133 static F_PKAENCRYPT pkaEncrypt;
134 static F_PKADECRYPT pkaDecrypt;
135 # endif
136 static F_RANDOMNUMBERGENERATE randomNumberGenerate;
137
138 /* static variables */
139 /* ----------------*/
140 static const char *CCA4758_LIB_NAME = NULL;
141 static const char *get_CCA4758_LIB_NAME(void)
142 {
143 if (CCA4758_LIB_NAME)
144 return CCA4758_LIB_NAME;
145 return CCA_LIB_NAME;
146 }
147
148 static void free_CCA4758_LIB_NAME(void)
149 {
150 if (CCA4758_LIB_NAME)
151 OPENSSL_free((void *)CCA4758_LIB_NAME);
152 CCA4758_LIB_NAME = NULL;
153 }
154
155 static long set_CCA4758_LIB_NAME(const char *name)
156 {
157 free_CCA4758_LIB_NAME();
158 return (((CCA4758_LIB_NAME = BUF_strdup(name)) != NULL) ? 1 : 0);
159 }
160
161 # ifndef OPENSSL_NO_RSA
162 static const char *n_keyRecordRead = CSNDKRR;
163 static const char *n_digitalSignatureGenerate = CSNDDSG;
164 static const char *n_digitalSignatureVerify = CSNDDSV;
165 static const char *n_publicKeyExtract = CSNDPKX;
166 static const char *n_pkaEncrypt = CSNDPKE;
167 static const char *n_pkaDecrypt = CSNDPKD;
168 # endif
169 static const char *n_randomNumberGenerate = CSNBRNG;
170
171 # ifndef OPENSSL_NO_RSA
172 static int hndidx = -1;
173 # endif
174 static DSO *dso = NULL;
175
176 /* openssl engine initialization structures */
177 /* ----------------------------------------*/
178
179 # define CCA4758_CMD_SO_PATH ENGINE_CMD_BASE
180 static const ENGINE_CMD_DEFN cca4758_cmd_defns[] = {
181 {CCA4758_CMD_SO_PATH,
182 "SO_PATH",
183 "Specifies the path to the '4758cca' shared library",
184 ENGINE_CMD_FLAG_STRING},
185 {0, NULL, NULL, 0}
186 };
187
188 # ifndef OPENSSL_NO_RSA
189 static RSA_METHOD ibm_4758_cca_rsa = {
190 "IBM 4758 CCA RSA method",
191 cca_rsa_pub_enc,
192 NULL,
193 NULL,
194 cca_rsa_priv_dec,
195 NULL, /* rsa_mod_exp, */
196 NULL, /* mod_exp_mont, */
197 NULL, /* init */
198 NULL, /* finish */
199 RSA_FLAG_SIGN_VER, /* flags */
200 NULL, /* app_data */
201 cca_rsa_sign, /* rsa_sign */
202 cca_rsa_verify, /* rsa_verify */
203 NULL /* rsa_keygen */
204 };
205 # endif
206
207 static RAND_METHOD ibm_4758_cca_rand = {
208 /* "IBM 4758 RAND method", */
209 NULL, /* seed */
210 cca_get_random_bytes, /* get random bytes from the card */
211 NULL, /* cleanup */
212 NULL, /* add */
213 cca_get_random_bytes, /* pseudo rand */
214 cca_random_status, /* status */
215 };
216
217 static const char *engine_4758_cca_id = "4758cca";
218 static const char *engine_4758_cca_name =
219 "IBM 4758 CCA hardware engine support";
220 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
221 /* Compatibility hack, the dynamic library uses this form in the path */
222 static const char *engine_4758_cca_id_alt = "4758_cca";
223 # endif
224
225 /* engine implementation */
226 /* ---------------------*/
227 static int bind_helper(ENGINE *e)
228 {
229 if (!ENGINE_set_id(e, engine_4758_cca_id) ||
230 !ENGINE_set_name(e, engine_4758_cca_name) ||
231 # ifndef OPENSSL_NO_RSA
232 !ENGINE_set_RSA(e, &ibm_4758_cca_rsa) ||
233 # endif
234 !ENGINE_set_RAND(e, &ibm_4758_cca_rand) ||
235 !ENGINE_set_destroy_function(e, ibm_4758_cca_destroy) ||
236 !ENGINE_set_init_function(e, ibm_4758_cca_init) ||
237 !ENGINE_set_finish_function(e, ibm_4758_cca_finish) ||
238 !ENGINE_set_ctrl_function(e, ibm_4758_cca_ctrl) ||
239 # ifndef OPENSSL_NO_RSA
240 !ENGINE_set_load_privkey_function(e, ibm_4758_load_privkey) ||
241 !ENGINE_set_load_pubkey_function(e, ibm_4758_load_pubkey) ||
242 # endif
243 !ENGINE_set_cmd_defns(e, cca4758_cmd_defns))
244 return 0;
245 /* Ensure the error handling is set up */
246 ERR_load_CCA4758_strings();
247 return 1;
248 }
249
250 # ifdef OPENSSL_NO_DYNAMIC_ENGINE
251 static ENGINE *engine_4758_cca(void)
252 {
253 ENGINE *ret = ENGINE_new();
254 if (!ret)
255 return NULL;
256 if (!bind_helper(ret)) {
257 ENGINE_free(ret);
258 return NULL;
259 }
260 return ret;
261 }
262
263 void ENGINE_load_4758cca(void)
264 {
265 ENGINE *e_4758 = engine_4758_cca();
266 if (!e_4758)
267 return;
268 ENGINE_add(e_4758);
269 ENGINE_free(e_4758);
270 ERR_clear_error();
271 }
272 # endif
273
274 static int ibm_4758_cca_destroy(ENGINE *e)
275 {
276 ERR_unload_CCA4758_strings();
277 free_CCA4758_LIB_NAME();
278 return 1;
279 }
280
281 static int ibm_4758_cca_init(ENGINE *e)
282 {
283 if (dso) {
284 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_ALREADY_LOADED);
285 goto err;
286 }
287
288 dso = DSO_load(NULL, get_CCA4758_LIB_NAME(), NULL, 0);
289 if (!dso) {
290 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_DSO_FAILURE);
291 goto err;
292 }
293 # ifndef OPENSSL_NO_RSA
294 if (!(keyRecordRead = (F_KEYRECORDREAD)
295 DSO_bind_func(dso, n_keyRecordRead)) ||
296 !(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
297 DSO_bind_func(dso, n_randomNumberGenerate)) ||
298 !(digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)
299 DSO_bind_func(dso, n_digitalSignatureGenerate)) ||
300 !(digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)
301 DSO_bind_func(dso, n_digitalSignatureVerify)) ||
302 !(publicKeyExtract = (F_PUBLICKEYEXTRACT)
303 DSO_bind_func(dso, n_publicKeyExtract)) ||
304 !(pkaEncrypt = (F_PKAENCRYPT)
305 DSO_bind_func(dso, n_pkaEncrypt)) || !(pkaDecrypt = (F_PKADECRYPT)
306 DSO_bind_func(dso,
307 n_pkaDecrypt)))
308 {
309 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_DSO_FAILURE);
310 goto err;
311 }
312 # else
313 if (!(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
314 DSO_bind_func(dso, n_randomNumberGenerate))) {
315 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_DSO_FAILURE);
316 goto err;
317 }
318 # endif
319
320 # ifndef OPENSSL_NO_RSA
321 hndidx = RSA_get_ex_new_index(0, "IBM 4758 CCA RSA key handle",
322 NULL, NULL, cca_ex_free);
323 # endif
324
325 return 1;
326 err:
327 if (dso)
328 DSO_free(dso);
329 dso = NULL;
330
331 # ifndef OPENSSL_NO_RSA
332 keyRecordRead = (F_KEYRECORDREAD) 0;
333 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE) 0;
334 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
335 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
336 pkaEncrypt = (F_PKAENCRYPT) 0;
337 pkaDecrypt = (F_PKADECRYPT) 0;
338 # endif
339 randomNumberGenerate = (F_RANDOMNUMBERGENERATE) 0;
340 return 0;
341 }
342
343 static int ibm_4758_cca_finish(ENGINE *e)
344 {
345 free_CCA4758_LIB_NAME();
346 if (!dso) {
347 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH, CCA4758_R_NOT_LOADED);
348 return 0;
349 }
350 if (!DSO_free(dso)) {
351 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH, CCA4758_R_UNIT_FAILURE);
352 return 0;
353 }
354 dso = NULL;
355 # ifndef OPENSSL_NO_RSA
356 keyRecordRead = (F_KEYRECORDREAD) 0;
357 randomNumberGenerate = (F_RANDOMNUMBERGENERATE) 0;
358 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE) 0;
359 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
360 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
361 pkaEncrypt = (F_PKAENCRYPT) 0;
362 pkaDecrypt = (F_PKADECRYPT) 0;
363 # endif
364 randomNumberGenerate = (F_RANDOMNUMBERGENERATE) 0;
365 return 1;
366 }
367
368 static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p,
369 void (*f) (void))
370 {
371 int initialised = ((dso == NULL) ? 0 : 1);
372 switch (cmd) {
373 case CCA4758_CMD_SO_PATH:
374 if (p == NULL) {
375 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
376 ERR_R_PASSED_NULL_PARAMETER);
377 return 0;
378 }
379 if (initialised) {
380 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL, CCA4758_R_ALREADY_LOADED);
381 return 0;
382 }
383 return set_CCA4758_LIB_NAME((const char *)p);
384 default:
385 break;
386 }
387 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
388 CCA4758_R_COMMAND_NOT_IMPLEMENTED);
389 return 0;
390 }
391
392 # ifndef OPENSSL_NO_RSA
393
394 # define MAX_CCA_PKA_TOKEN_SIZE 2500
395
396 static EVP_PKEY *ibm_4758_load_privkey(ENGINE *e, const char *key_id,
397 UI_METHOD *ui_method,
398 void *callback_data)
399 {
400 RSA *rtmp = NULL;
401 EVP_PKEY *res = NULL;
402 unsigned char *keyToken = NULL;
403 unsigned char pubKeyToken[MAX_CCA_PKA_TOKEN_SIZE];
404 long pubKeyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
405 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
406 long returnCode;
407 long reasonCode;
408 long exitDataLength = 0;
409 long ruleArrayLength = 0;
410 unsigned char exitData[8];
411 unsigned char ruleArray[8];
412 unsigned char keyLabel[64];
413 unsigned long keyLabelLength = strlen(key_id);
414 unsigned char modulus[256];
415 long modulusFieldLength = sizeof(modulus);
416 long modulusLength = 0;
417 unsigned char exponent[256];
418 long exponentLength = sizeof(exponent);
419
420 if (keyLabelLength > sizeof(keyLabel)) {
421 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
422 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
423 return NULL;
424 }
425
426 memset(keyLabel, ' ', sizeof(keyLabel));
427 memcpy(keyLabel, key_id, keyLabelLength);
428
429 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
430 if (!keyToken) {
431 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
432 goto err;
433 }
434
435 keyRecordRead(&returnCode, &reasonCode, &exitDataLength,
436 exitData, &ruleArrayLength, ruleArray, keyLabel,
437 &keyTokenLength, keyToken + sizeof(long));
438
439 if (returnCode) {
440 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
441 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
442 goto err;
443 }
444
445 publicKeyExtract(&returnCode, &reasonCode, &exitDataLength,
446 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
447 keyToken + sizeof(long), &pubKeyTokenLength,
448 pubKeyToken);
449
450 if (returnCode) {
451 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
452 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
453 goto err;
454 }
455
456 if (!getModulusAndExponent(pubKeyToken, &exponentLength,
457 exponent, &modulusLength, &modulusFieldLength,
458 modulus)) {
459 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
460 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
461 goto err;
462 }
463
464 (*(long *)keyToken) = keyTokenLength;
465 rtmp = RSA_new_method(e);
466 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
467
468 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
469 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
470 rtmp->flags |= RSA_FLAG_EXT_PKEY;
471
472 res = EVP_PKEY_new();
473 EVP_PKEY_assign_RSA(res, rtmp);
474
475 return res;
476 err:
477 if (keyToken)
478 OPENSSL_free(keyToken);
479 return NULL;
480 }
481
482 static EVP_PKEY *ibm_4758_load_pubkey(ENGINE *e, const char *key_id,
483 UI_METHOD *ui_method,
484 void *callback_data)
485 {
486 RSA *rtmp = NULL;
487 EVP_PKEY *res = NULL;
488 unsigned char *keyToken = NULL;
489 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
490 long returnCode;
491 long reasonCode;
492 long exitDataLength = 0;
493 long ruleArrayLength = 0;
494 unsigned char exitData[8];
495 unsigned char ruleArray[8];
496 unsigned char keyLabel[64];
497 unsigned long keyLabelLength = strlen(key_id);
498 unsigned char modulus[512];
499 long modulusFieldLength = sizeof(modulus);
500 long modulusLength = 0;
501 unsigned char exponent[512];
502 long exponentLength = sizeof(exponent);
503
504 if (keyLabelLength > sizeof(keyLabel)) {
505 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
506 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
507 return NULL;
508 }
509
510 memset(keyLabel, ' ', sizeof(keyLabel));
511 memcpy(keyLabel, key_id, keyLabelLength);
512
513 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
514 if (!keyToken) {
515 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY, ERR_R_MALLOC_FAILURE);
516 goto err;
517 }
518
519 keyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,
520 &ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,
521 keyToken + sizeof(long));
522
523 if (returnCode) {
524 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY, ERR_R_MALLOC_FAILURE);
525 goto err;
526 }
527
528 if (!getModulusAndExponent(keyToken + sizeof(long), &exponentLength,
529 exponent, &modulusLength, &modulusFieldLength,
530 modulus)) {
531 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
532 CCA4758_R_FAILED_LOADING_PUBLIC_KEY);
533 goto err;
534 }
535
536 (*(long *)keyToken) = keyTokenLength;
537 rtmp = RSA_new_method(e);
538 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
539 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
540 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
541 rtmp->flags |= RSA_FLAG_EXT_PKEY;
542 res = EVP_PKEY_new();
543 EVP_PKEY_assign_RSA(res, rtmp);
544
545 return res;
546 err:
547 if (keyToken)
548 OPENSSL_free(keyToken);
549 return NULL;
550 }
551
552 static int cca_rsa_pub_enc(int flen, const unsigned char *from,
553 unsigned char *to, RSA *rsa, int padding)
554 {
555 long returnCode;
556 long reasonCode;
557 long lflen = flen;
558 long exitDataLength = 0;
559 unsigned char exitData[8];
560 long ruleArrayLength = 1;
561 unsigned char ruleArray[8] = "PKCS-1.2";
562 long dataStructureLength = 0;
563 unsigned char dataStructure[8];
564 long outputLength = RSA_size(rsa);
565 long keyTokenLength;
566 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
567
568 keyTokenLength = *(long *)keyToken;
569 keyToken += sizeof(long);
570
571 pkaEncrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
572 &ruleArrayLength, ruleArray, &lflen, (unsigned char *)from,
573 &dataStructureLength, dataStructure, &keyTokenLength,
574 keyToken, &outputLength, to);
575
576 if (returnCode || reasonCode)
577 return -(returnCode << 16 | reasonCode);
578 return outputLength;
579 }
580
581 static int cca_rsa_priv_dec(int flen, const unsigned char *from,
582 unsigned char *to, RSA *rsa, int padding)
583 {
584 long returnCode;
585 long reasonCode;
586 long lflen = flen;
587 long exitDataLength = 0;
588 unsigned char exitData[8];
589 long ruleArrayLength = 1;
590 unsigned char ruleArray[8] = "PKCS-1.2";
591 long dataStructureLength = 0;
592 unsigned char dataStructure[8];
593 long outputLength = RSA_size(rsa);
594 long keyTokenLength;
595 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
596
597 keyTokenLength = *(long *)keyToken;
598 keyToken += sizeof(long);
599
600 pkaDecrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
601 &ruleArrayLength, ruleArray, &lflen, (unsigned char *)from,
602 &dataStructureLength, dataStructure, &keyTokenLength,
603 keyToken, &outputLength, to);
604
605 return (returnCode | reasonCode) ? 0 : 1;
606 }
607
608 # define SSL_SIG_LEN 36
609
610 static int cca_rsa_verify(int type, const unsigned char *m,
611 unsigned int m_len, const unsigned char *sigbuf,
612 unsigned int siglen, const RSA *rsa)
613 {
614 long returnCode;
615 long reasonCode;
616 long lsiglen = siglen;
617 long exitDataLength = 0;
618 unsigned char exitData[8];
619 long ruleArrayLength = 1;
620 unsigned char ruleArray[8] = "PKCS-1.1";
621 long keyTokenLength;
622 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
623 long length = SSL_SIG_LEN;
624 long keyLength;
625 unsigned char *hashBuffer = NULL;
626 X509_SIG sig;
627 ASN1_TYPE parameter;
628 X509_ALGOR algorithm;
629 ASN1_OCTET_STRING digest;
630
631 keyTokenLength = *(long *)keyToken;
632 keyToken += sizeof(long);
633
634 if (type == NID_md5 || type == NID_sha1) {
635 sig.algor = &algorithm;
636 algorithm.algorithm = OBJ_nid2obj(type);
637
638 if (!algorithm.algorithm) {
639 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
640 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
641 return 0;
642 }
643
644 if (!algorithm.algorithm->length) {
645 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
646 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
647 return 0;
648 }
649
650 parameter.type = V_ASN1_NULL;
651 parameter.value.ptr = NULL;
652 algorithm.parameter = &parameter;
653
654 sig.digest = &digest;
655 sig.digest->data = (unsigned char *)m;
656 sig.digest->length = m_len;
657
658 length = i2d_X509_SIG(&sig, NULL);
659 }
660
661 keyLength = RSA_size(rsa);
662
663 if (length - RSA_PKCS1_PADDING > keyLength) {
664 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
665 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
666 return 0;
667 }
668
669 switch (type) {
670 case NID_md5_sha1:
671 if (m_len != SSL_SIG_LEN) {
672 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
673 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
674 return 0;
675 }
676
677 hashBuffer = (unsigned char *)m;
678 length = m_len;
679 break;
680 case NID_md5:
681 {
682 unsigned char *ptr;
683 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
684 if (!hashBuffer) {
685 CCA4758err(CCA4758_F_CCA_RSA_VERIFY, ERR_R_MALLOC_FAILURE);
686 return 0;
687 }
688
689 i2d_X509_SIG(&sig, &ptr);
690 }
691 break;
692 case NID_sha1:
693 {
694 unsigned char *ptr;
695 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
696 if (!hashBuffer) {
697 CCA4758err(CCA4758_F_CCA_RSA_VERIFY, ERR_R_MALLOC_FAILURE);
698 return 0;
699 }
700 i2d_X509_SIG(&sig, &ptr);
701 }
702 break;
703 default:
704 return 0;
705 }
706
707 digitalSignatureVerify(&returnCode, &reasonCode, &exitDataLength,
708 exitData, &ruleArrayLength, ruleArray,
709 &keyTokenLength, keyToken, &length, hashBuffer,
710 &lsiglen, (unsigned char *)sigbuf);
711
712 if (type == NID_sha1 || type == NID_md5) {
713 OPENSSL_cleanse(hashBuffer, keyLength + 1);
714 OPENSSL_free(hashBuffer);
715 }
716
717 return ((returnCode || reasonCode) ? 0 : 1);
718 }
719
720 # define SSL_SIG_LEN 36
721
722 static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
723 unsigned char *sigret, unsigned int *siglen,
724 const RSA *rsa)
725 {
726 long returnCode;
727 long reasonCode;
728 long exitDataLength = 0;
729 unsigned char exitData[8];
730 long ruleArrayLength = 1;
731 unsigned char ruleArray[8] = "PKCS-1.1";
732 long outputLength = 256;
733 long outputBitLength;
734 long keyTokenLength;
735 unsigned char *hashBuffer = NULL;
736 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
737 long length = SSL_SIG_LEN;
738 long keyLength;
739 X509_SIG sig;
740 ASN1_TYPE parameter;
741 X509_ALGOR algorithm;
742 ASN1_OCTET_STRING digest;
743
744 keyTokenLength = *(long *)keyToken;
745 keyToken += sizeof(long);
746
747 if (type == NID_md5 || type == NID_sha1) {
748 sig.algor = &algorithm;
749 algorithm.algorithm = OBJ_nid2obj(type);
750
751 if (!algorithm.algorithm) {
752 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
753 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
754 return 0;
755 }
756
757 if (!algorithm.algorithm->length) {
758 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
759 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
760 return 0;
761 }
762
763 parameter.type = V_ASN1_NULL;
764 parameter.value.ptr = NULL;
765 algorithm.parameter = &parameter;
766
767 sig.digest = &digest;
768 sig.digest->data = (unsigned char *)m;
769 sig.digest->length = m_len;
770
771 length = i2d_X509_SIG(&sig, NULL);
772 }
773
774 keyLength = RSA_size(rsa);
775
776 if (length - RSA_PKCS1_PADDING > keyLength) {
777 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
778 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
779 return 0;
780 }
781
782 switch (type) {
783 case NID_md5_sha1:
784 if (m_len != SSL_SIG_LEN) {
785 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
786 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
787 return 0;
788 }
789 hashBuffer = (unsigned char *)m;
790 length = m_len;
791 break;
792 case NID_md5:
793 {
794 unsigned char *ptr;
795 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
796 if (!hashBuffer) {
797 CCA4758err(CCA4758_F_CCA_RSA_SIGN, ERR_R_MALLOC_FAILURE);
798 return 0;
799 }
800 i2d_X509_SIG(&sig, &ptr);
801 }
802 break;
803 case NID_sha1:
804 {
805 unsigned char *ptr;
806 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
807 if (!hashBuffer) {
808 CCA4758err(CCA4758_F_CCA_RSA_SIGN, ERR_R_MALLOC_FAILURE);
809 return 0;
810 }
811 i2d_X509_SIG(&sig, &ptr);
812 }
813 break;
814 default:
815 return 0;
816 }
817
818 digitalSignatureGenerate(&returnCode, &reasonCode, &exitDataLength,
819 exitData, &ruleArrayLength, ruleArray,
820 &keyTokenLength, keyToken, &length, hashBuffer,
821 &outputLength, &outputBitLength, sigret);
822
823 if (type == NID_sha1 || type == NID_md5) {
824 OPENSSL_cleanse(hashBuffer, keyLength + 1);
825 OPENSSL_free(hashBuffer);
826 }
827
828 *siglen = outputLength;
829
830 return ((returnCode || reasonCode) ? 0 : 1);
831 }
832
833 static int getModulusAndExponent(const unsigned char *token,
834 long *exponentLength,
835 unsigned char *exponent, long *modulusLength,
836 long *modulusFieldLength,
837 unsigned char *modulus)
838 {
839 unsigned long len;
840
841 if (*token++ != (char)0x1E) /* internal PKA token? */
842 return 0;
843
844 if (*token++) /* token version must be zero */
845 return 0;
846
847 len = *token++;
848 len = len << 8;
849 len |= (unsigned char)*token++;
850
851 token += 4; /* skip reserved bytes */
852
853 if (*token++ == (char)0x04) {
854 if (*token++) /* token version must be zero */
855 return 0;
856
857 len = *token++;
858 len = len << 8;
859 len |= (unsigned char)*token++;
860
861 token += 2; /* skip reserved section */
862
863 len = *token++;
864 len = len << 8;
865 len |= (unsigned char)*token++;
866
867 *exponentLength = len;
868
869 len = *token++;
870 len = len << 8;
871 len |= (unsigned char)*token++;
872
873 *modulusLength = len;
874
875 len = *token++;
876 len = len << 8;
877 len |= (unsigned char)*token++;
878
879 *modulusFieldLength = len;
880
881 memcpy(exponent, token, *exponentLength);
882 token += *exponentLength;
883
884 memcpy(modulus, token, *modulusFieldLength);
885 return 1;
886 }
887 return 0;
888 }
889
890 # endif /* OPENSSL_NO_RSA */
891
892 static int cca_random_status(void)
893 {
894 return 1;
895 }
896
897 static int cca_get_random_bytes(unsigned char *buf, int num)
898 {
899 long ret_code;
900 long reason_code;
901 long exit_data_length;
902 unsigned char exit_data[4];
903 unsigned char form[] = "RANDOM ";
904 unsigned char rand_buf[8];
905
906 while (num >= (int)sizeof(rand_buf)) {
907 randomNumberGenerate(&ret_code, &reason_code, &exit_data_length,
908 exit_data, form, rand_buf);
909 if (ret_code)
910 return 0;
911 num -= sizeof(rand_buf);
912 memcpy(buf, rand_buf, sizeof(rand_buf));
913 buf += sizeof(rand_buf);
914 }
915
916 if (num) {
917 randomNumberGenerate(&ret_code, &reason_code, NULL, NULL,
918 form, rand_buf);
919 if (ret_code)
920 return 0;
921 memcpy(buf, rand_buf, num);
922 }
923
924 return 1;
925 }
926
927 # ifndef OPENSSL_NO_RSA
928 static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, int idx,
929 long argl, void *argp)
930 {
931 if (item)
932 OPENSSL_free(item);
933 }
934 # endif
935
936 /* Goo to handle building as a dynamic engine */
937 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
938 static int bind_fn(ENGINE *e, const char *id)
939 {
940 if (id && (strcmp(id, engine_4758_cca_id) != 0) &&
941 (strcmp(id, engine_4758_cca_id_alt) != 0))
942 return 0;
943 if (!bind_helper(e))
944 return 0;
945 return 1;
946 }
947
948 IMPLEMENT_DYNAMIC_CHECK_FN()
949 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
950 # endif /* OPENSSL_NO_DYNAMIC_ENGINE */
951 # endif /* !OPENSSL_NO_HW_4758_CCA */
952 #endif /* !OPENSSL_NO_HW */
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