1 /* Author: Maurice Gittens <maurice@gittens.nl> */
2 /* ====================================================================
3 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
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>
67 #include <openssl/bn.h>
70 # ifndef OPENSSL_NO_HW_4758_CCA
73 # include "hw_4758_cca.h"
75 # include "vendor_defns/hw_4758_cca.h"
78 # include "e_4758cca_err.c"
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,
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,
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);
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);
109 static int getModulusAndExponent(const unsigned char *token,
110 long *exponentLength,
111 unsigned char *exponent, long *modulusLength,
112 long *modulusFieldLength,
113 unsigned char *modulus);
116 /* RAND number functions */
117 /* ---------------------*/
118 static int cca_get_random_bytes(unsigned char *, int);
119 static int cca_random_status(void);
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);
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;
136 static F_RANDOMNUMBERGENERATE randomNumberGenerate;
138 /* static variables */
139 /* ----------------*/
140 static const char *CCA4758_LIB_NAME = NULL;
141 static const char *get_CCA4758_LIB_NAME(void)
143 if (CCA4758_LIB_NAME)
144 return CCA4758_LIB_NAME;
148 static void free_CCA4758_LIB_NAME(void)
150 if (CCA4758_LIB_NAME)
151 OPENSSL_free((void *)CCA4758_LIB_NAME);
152 CCA4758_LIB_NAME = NULL;
155 static long set_CCA4758_LIB_NAME(const char *name)
157 free_CCA4758_LIB_NAME();
158 return (((CCA4758_LIB_NAME = BUF_strdup(name)) != NULL) ? 1 : 0);
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;
169 static const char *n_randomNumberGenerate = CSNBRNG;
171 # ifndef OPENSSL_NO_RSA
172 static int hndidx = -1;
174 static DSO *dso = NULL;
176 /* openssl engine initialization structures */
177 /* ----------------------------------------*/
179 # define CCA4758_CMD_SO_PATH ENGINE_CMD_BASE
180 static const ENGINE_CMD_DEFN cca4758_cmd_defns[] = {
181 {CCA4758_CMD_SO_PATH,
183 "Specifies the path to the '4758cca' shared library",
184 ENGINE_CMD_FLAG_STRING},
188 # ifndef OPENSSL_NO_RSA
189 static RSA_METHOD ibm_4758_cca_rsa = {
190 "IBM 4758 CCA RSA method",
195 NULL, /* rsa_mod_exp, */
196 NULL, /* mod_exp_mont, */
199 RSA_FLAG_SIGN_VER, /* flags */
201 cca_rsa_sign, /* rsa_sign */
202 cca_rsa_verify, /* rsa_verify */
203 NULL /* rsa_keygen */
207 static RAND_METHOD ibm_4758_cca_rand = {
208 /* "IBM 4758 RAND method", */
210 cca_get_random_bytes, /* get random bytes from the card */
213 cca_get_random_bytes, /* pseudo rand */
214 cca_random_status, /* status */
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";
225 /* engine implementation */
226 /* ---------------------*/
227 static int bind_helper(ENGINE *e)
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) ||
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) ||
243 !ENGINE_set_cmd_defns(e, cca4758_cmd_defns))
245 /* Ensure the error handling is set up */
246 ERR_load_CCA4758_strings();
250 # ifdef OPENSSL_NO_DYNAMIC_ENGINE
251 static ENGINE *engine_4758_cca(void)
253 ENGINE *ret = ENGINE_new();
256 if (!bind_helper(ret)) {
263 void ENGINE_load_4758cca(void)
265 ENGINE *e_4758 = engine_4758_cca();
274 static int ibm_4758_cca_destroy(ENGINE *e)
276 ERR_unload_CCA4758_strings();
277 free_CCA4758_LIB_NAME();
281 static int ibm_4758_cca_init(ENGINE *e)
284 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_ALREADY_LOADED);
288 dso = DSO_load(NULL, get_CCA4758_LIB_NAME(), NULL, 0);
290 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_DSO_FAILURE);
293 #define BINDIT(t, name) (t)DSO_bind_func(dso, name)
294 # ifndef OPENSSL_NO_RSA
295 if ((keyRecordRead = BINDIT(F_KEYRECORDREAD, n_keyRecordRead)) == NULL
296 || (randomNumberGenerate = BINDIT(F_RANDOMNUMBERGENERATE, n_randomNumberGenerate)) == NULL
297 || (digitalSignatureGenerate = BINDIT(F_DIGITALSIGNATUREGENERATE, n_digitalSignatureGenerate)) == NULL
298 || (digitalSignatureVerify = BINDIT(F_DIGITALSIGNATUREVERIFY, n_digitalSignatureVerify)) == NULL
299 || (publicKeyExtract = BINDIT(F_PUBLICKEYEXTRACT, n_publicKeyExtract)) == NULL
300 || (pkaEncrypt = BINDIT(F_PKAENCRYPT, n_pkaEncrypt)) == NULL
301 || (pkaDecrypt = BINDIT(F_PKADECRYPT, n_pkaDecrypt)) == NULL)
303 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_DSO_FAILURE);
307 if ((randomNumberGenerate = BINDIT(F_RANDOMNUMBERGENERATE, n_randomNumberGenerate)) == NULL) {
308 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT, CCA4758_R_DSO_FAILURE);
313 # ifndef OPENSSL_NO_RSA
314 hndidx = RSA_get_ex_new_index(0, "IBM 4758 CCA RSA key handle",
315 NULL, NULL, cca_ex_free);
323 # ifndef OPENSSL_NO_RSA
324 keyRecordRead = (F_KEYRECORDREAD) 0;
325 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE) 0;
326 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
327 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
328 pkaEncrypt = (F_PKAENCRYPT) 0;
329 pkaDecrypt = (F_PKADECRYPT) 0;
331 randomNumberGenerate = (F_RANDOMNUMBERGENERATE) 0;
335 static int ibm_4758_cca_finish(ENGINE *e)
337 free_CCA4758_LIB_NAME();
339 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH, CCA4758_R_NOT_LOADED);
342 if (!DSO_free(dso)) {
343 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH, CCA4758_R_UNIT_FAILURE);
347 # ifndef OPENSSL_NO_RSA
348 keyRecordRead = (F_KEYRECORDREAD) 0;
349 randomNumberGenerate = (F_RANDOMNUMBERGENERATE) 0;
350 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE) 0;
351 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
352 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
353 pkaEncrypt = (F_PKAENCRYPT) 0;
354 pkaDecrypt = (F_PKADECRYPT) 0;
356 randomNumberGenerate = (F_RANDOMNUMBERGENERATE) 0;
360 static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p,
363 int initialised = ((dso == NULL) ? 0 : 1);
365 case CCA4758_CMD_SO_PATH:
367 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
368 ERR_R_PASSED_NULL_PARAMETER);
372 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL, CCA4758_R_ALREADY_LOADED);
375 return set_CCA4758_LIB_NAME((const char *)p);
379 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
380 CCA4758_R_COMMAND_NOT_IMPLEMENTED);
384 # ifndef OPENSSL_NO_RSA
386 # define MAX_CCA_PKA_TOKEN_SIZE 2500
388 static EVP_PKEY *ibm_4758_load_privkey(ENGINE *e, const char *key_id,
389 UI_METHOD *ui_method,
393 EVP_PKEY *res = NULL;
394 unsigned char *keyToken = NULL;
395 unsigned char pubKeyToken[MAX_CCA_PKA_TOKEN_SIZE];
396 long pubKeyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
397 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
400 long exitDataLength = 0;
401 long ruleArrayLength = 0;
402 unsigned char exitData[8];
403 unsigned char ruleArray[8];
404 unsigned char keyLabel[64];
405 unsigned long keyLabelLength = strlen(key_id);
406 unsigned char modulus[256];
407 long modulusFieldLength = sizeof(modulus);
408 long modulusLength = 0;
409 unsigned char exponent[256];
410 long exponentLength = sizeof(exponent);
412 if (keyLabelLength > sizeof(keyLabel)) {
413 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
414 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
418 memset(keyLabel, ' ', sizeof(keyLabel));
419 memcpy(keyLabel, key_id, keyLabelLength);
421 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
423 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
427 keyRecordRead(&returnCode, &reasonCode, &exitDataLength,
428 exitData, &ruleArrayLength, ruleArray, keyLabel,
429 &keyTokenLength, keyToken + sizeof(long));
432 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
433 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
437 publicKeyExtract(&returnCode, &reasonCode, &exitDataLength,
438 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
439 keyToken + sizeof(long), &pubKeyTokenLength,
443 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
444 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
448 if (!getModulusAndExponent(pubKeyToken, &exponentLength,
449 exponent, &modulusLength, &modulusFieldLength,
451 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
452 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
456 (*(long *)keyToken) = keyTokenLength;
457 rtmp = RSA_new_method(e);
458 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
460 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
461 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
462 rtmp->flags |= RSA_FLAG_EXT_PKEY;
464 res = EVP_PKEY_new();
465 EVP_PKEY_assign_RSA(res, rtmp);
469 OPENSSL_free(keyToken);
473 static EVP_PKEY *ibm_4758_load_pubkey(ENGINE *e, const char *key_id,
474 UI_METHOD *ui_method,
478 EVP_PKEY *res = NULL;
479 unsigned char *keyToken = NULL;
480 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
483 long exitDataLength = 0;
484 long ruleArrayLength = 0;
485 unsigned char exitData[8];
486 unsigned char ruleArray[8];
487 unsigned char keyLabel[64];
488 unsigned long keyLabelLength = strlen(key_id);
489 unsigned char modulus[512];
490 long modulusFieldLength = sizeof(modulus);
491 long modulusLength = 0;
492 unsigned char exponent[512];
493 long exponentLength = sizeof(exponent);
495 if (keyLabelLength > sizeof(keyLabel)) {
496 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
497 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
501 memset(keyLabel, ' ', sizeof(keyLabel));
502 memcpy(keyLabel, key_id, keyLabelLength);
504 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
506 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY, ERR_R_MALLOC_FAILURE);
510 keyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,
511 &ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,
512 keyToken + sizeof(long));
515 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY, ERR_R_MALLOC_FAILURE);
519 if (!getModulusAndExponent(keyToken + sizeof(long), &exponentLength,
520 exponent, &modulusLength, &modulusFieldLength,
522 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
523 CCA4758_R_FAILED_LOADING_PUBLIC_KEY);
527 (*(long *)keyToken) = keyTokenLength;
528 rtmp = RSA_new_method(e);
529 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
530 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
531 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
532 rtmp->flags |= RSA_FLAG_EXT_PKEY;
533 res = EVP_PKEY_new();
534 EVP_PKEY_assign_RSA(res, rtmp);
538 OPENSSL_free(keyToken);
542 static int cca_rsa_pub_enc(int flen, const unsigned char *from,
543 unsigned char *to, RSA *rsa, int padding)
548 long exitDataLength = 0;
549 unsigned char exitData[8];
550 long ruleArrayLength = 1;
551 unsigned char ruleArray[8] = "PKCS-1.2";
552 long dataStructureLength = 0;
553 unsigned char dataStructure[8];
554 long outputLength = RSA_size(rsa);
556 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
558 keyTokenLength = *(long *)keyToken;
559 keyToken += sizeof(long);
561 pkaEncrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
562 &ruleArrayLength, ruleArray, &lflen, (unsigned char *)from,
563 &dataStructureLength, dataStructure, &keyTokenLength,
564 keyToken, &outputLength, to);
566 if (returnCode || reasonCode)
567 return -(returnCode << 16 | reasonCode);
571 static int cca_rsa_priv_dec(int flen, const unsigned char *from,
572 unsigned char *to, RSA *rsa, int padding)
577 long exitDataLength = 0;
578 unsigned char exitData[8];
579 long ruleArrayLength = 1;
580 unsigned char ruleArray[8] = "PKCS-1.2";
581 long dataStructureLength = 0;
582 unsigned char dataStructure[8];
583 long outputLength = RSA_size(rsa);
585 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
587 keyTokenLength = *(long *)keyToken;
588 keyToken += sizeof(long);
590 pkaDecrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
591 &ruleArrayLength, ruleArray, &lflen, (unsigned char *)from,
592 &dataStructureLength, dataStructure, &keyTokenLength,
593 keyToken, &outputLength, to);
595 return (returnCode | reasonCode) ? 0 : 1;
598 # define SSL_SIG_LEN 36
600 static int cca_rsa_verify(int type, const unsigned char *m,
601 unsigned int m_len, const unsigned char *sigbuf,
602 unsigned int siglen, const RSA *rsa)
606 long lsiglen = siglen;
607 long exitDataLength = 0;
608 unsigned char exitData[8];
609 long ruleArrayLength = 1;
610 unsigned char ruleArray[8] = "PKCS-1.1";
612 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
613 long length = SSL_SIG_LEN;
615 unsigned char *hashBuffer = NULL;
618 X509_ALGOR algorithm;
619 ASN1_OCTET_STRING digest;
621 keyTokenLength = *(long *)keyToken;
622 keyToken += sizeof(long);
624 if (type == NID_md5 || type == NID_sha1) {
625 sig.algor = &algorithm;
626 algorithm.algorithm = OBJ_nid2obj(type);
628 if (!algorithm.algorithm) {
629 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
630 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
634 if (!OBJ_length(algorithm.algorithm)) {
635 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
636 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
640 parameter.type = V_ASN1_NULL;
641 parameter.value.ptr = NULL;
642 algorithm.parameter = ¶meter;
644 sig.digest = &digest;
645 sig.digest->data = (unsigned char *)m;
646 sig.digest->length = m_len;
648 length = i2d_X509_SIG(&sig, NULL);
651 keyLength = RSA_size(rsa);
653 if (length - RSA_PKCS1_PADDING > keyLength) {
654 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
655 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
661 if (m_len != SSL_SIG_LEN) {
662 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
663 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
667 hashBuffer = (unsigned char *)m;
673 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
675 CCA4758err(CCA4758_F_CCA_RSA_VERIFY, ERR_R_MALLOC_FAILURE);
679 i2d_X509_SIG(&sig, &ptr);
685 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
687 CCA4758err(CCA4758_F_CCA_RSA_VERIFY, ERR_R_MALLOC_FAILURE);
690 i2d_X509_SIG(&sig, &ptr);
697 digitalSignatureVerify(&returnCode, &reasonCode, &exitDataLength,
698 exitData, &ruleArrayLength, ruleArray,
699 &keyTokenLength, keyToken, &length, hashBuffer,
700 &lsiglen, (unsigned char *)sigbuf);
702 if (type == NID_sha1 || type == NID_md5)
703 OPENSSL_clear_free(hashBuffer, keyLength + 1);
705 return ((returnCode || reasonCode) ? 0 : 1);
708 # define SSL_SIG_LEN 36
710 static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
711 unsigned char *sigret, unsigned int *siglen,
716 long exitDataLength = 0;
717 unsigned char exitData[8];
718 long ruleArrayLength = 1;
719 unsigned char ruleArray[8] = "PKCS-1.1";
720 long outputLength = 256;
721 long outputBitLength;
723 unsigned char *hashBuffer = NULL;
724 unsigned char *keyToken = (unsigned char *)RSA_get_ex_data(rsa, hndidx);
725 long length = SSL_SIG_LEN;
729 X509_ALGOR algorithm;
730 ASN1_OCTET_STRING digest;
732 keyTokenLength = *(long *)keyToken;
733 keyToken += sizeof(long);
735 if (type == NID_md5 || type == NID_sha1) {
736 sig.algor = &algorithm;
737 algorithm.algorithm = OBJ_nid2obj(type);
739 if (!algorithm.algorithm) {
740 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
741 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
745 if (!OBJ_length(algorithm.algorithm)) {
746 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
747 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
751 parameter.type = V_ASN1_NULL;
752 parameter.value.ptr = NULL;
753 algorithm.parameter = ¶meter;
755 sig.digest = &digest;
756 sig.digest->data = (unsigned char *)m;
757 sig.digest->length = m_len;
759 length = i2d_X509_SIG(&sig, NULL);
762 keyLength = RSA_size(rsa);
764 if (length - RSA_PKCS1_PADDING > keyLength) {
765 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
766 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
772 if (m_len != SSL_SIG_LEN) {
773 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
774 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
777 hashBuffer = (unsigned char *)m;
783 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
785 CCA4758err(CCA4758_F_CCA_RSA_SIGN, ERR_R_MALLOC_FAILURE);
788 i2d_X509_SIG(&sig, &ptr);
794 ptr = hashBuffer = OPENSSL_malloc((unsigned int)keyLength + 1);
796 CCA4758err(CCA4758_F_CCA_RSA_SIGN, ERR_R_MALLOC_FAILURE);
799 i2d_X509_SIG(&sig, &ptr);
806 digitalSignatureGenerate(&returnCode, &reasonCode, &exitDataLength,
807 exitData, &ruleArrayLength, ruleArray,
808 &keyTokenLength, keyToken, &length, hashBuffer,
809 &outputLength, &outputBitLength, sigret);
811 if (type == NID_sha1 || type == NID_md5)
812 OPENSSL_clear_free(hashBuffer, keyLength + 1);
814 *siglen = outputLength;
816 return ((returnCode || reasonCode) ? 0 : 1);
819 static int getModulusAndExponent(const unsigned char *token,
820 long *exponentLength,
821 unsigned char *exponent, long *modulusLength,
822 long *modulusFieldLength,
823 unsigned char *modulus)
827 if (*token++ != (char)0x1E) /* internal PKA token? */
830 if (*token++) /* token version must be zero */
835 len |= (unsigned char)*token++;
837 token += 4; /* skip reserved bytes */
839 if (*token++ == (char)0x04) {
840 if (*token++) /* token version must be zero */
845 len |= (unsigned char)*token++;
847 token += 2; /* skip reserved section */
851 len |= (unsigned char)*token++;
853 *exponentLength = len;
857 len |= (unsigned char)*token++;
859 *modulusLength = len;
863 len |= (unsigned char)*token++;
865 *modulusFieldLength = len;
867 memcpy(exponent, token, *exponentLength);
868 token += *exponentLength;
870 memcpy(modulus, token, *modulusFieldLength);
876 # endif /* OPENSSL_NO_RSA */
878 static int cca_random_status(void)
883 static int cca_get_random_bytes(unsigned char *buf, int num)
887 long exit_data_length;
888 unsigned char exit_data[4];
889 unsigned char form[] = "RANDOM ";
890 unsigned char rand_buf[8];
892 while (num >= (int)sizeof(rand_buf)) {
893 randomNumberGenerate(&ret_code, &reason_code, &exit_data_length,
894 exit_data, form, rand_buf);
897 num -= sizeof(rand_buf);
898 memcpy(buf, rand_buf, sizeof(rand_buf));
899 buf += sizeof(rand_buf);
903 randomNumberGenerate(&ret_code, &reason_code, NULL, NULL,
907 memcpy(buf, rand_buf, num);
913 # ifndef OPENSSL_NO_RSA
914 static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, int idx,
915 long argl, void *argp)
921 /* Goo to handle building as a dynamic engine */
922 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
923 static int bind_fn(ENGINE *e, const char *id)
925 if (id && (strcmp(id, engine_4758_cca_id) != 0) &&
926 (strcmp(id, engine_4758_cca_id_alt) != 0))
933 IMPLEMENT_DYNAMIC_CHECK_FN()
934 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
935 # endif /* OPENSSL_NO_DYNAMIC_ENGINE */
936 # endif /* !OPENSSL_NO_HW_4758_CCA */
937 #endif /* !OPENSSL_NO_HW */