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 #include <openssl/rsa.h>
65 #include <openssl/bn.h>
68 #ifndef OPENSSL_NO_HW_4758_CCA
71 #include "hw_4758_cca.h"
73 #include "vendor_defns/hw_4758_cca.h"
76 #include "e_4758_cca_err.c"
78 static int ibm_4758_cca_destroy(ENGINE *e);
79 static int ibm_4758_cca_init(ENGINE *e);
80 static int ibm_4758_cca_finish(ENGINE *e);
81 static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
85 #ifndef OPENSSL_NO_RSA
86 static int cca_rsa_pub_enc(int flen, const unsigned char *from,
87 unsigned char *to, RSA *rsa,int padding);
88 static int cca_rsa_priv_dec(int flen, const unsigned char *from,
89 unsigned char *to, RSA *rsa,int padding);
90 static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
91 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
92 static int cca_rsa_verify(int dtype, const unsigned char *m, unsigned int m_len,
93 unsigned char *sigbuf, unsigned int siglen, const RSA *rsa);
95 /* utility functions */
96 /*-----------------------*/
97 static EVP_PKEY *ibm_4758_load_privkey(ENGINE*, const char*,
98 UI_METHOD *ui_method, void *callback_data);
99 static EVP_PKEY *ibm_4758_load_pubkey(ENGINE*, const char*,
100 UI_METHOD *ui_method, void *callback_data);
102 static int getModulusAndExponent(const unsigned char *token, long *exponentLength,
103 unsigned char *exponent, long *modulusLength,
104 long *modulusFieldLength, unsigned char *modulus);
107 /* RAND number functions */
108 /*-----------------------*/
109 static int cca_get_random_bytes(unsigned char*, int );
110 static int cca_random_status(void);
112 static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
113 int idx,long argl, void *argp);
115 /* Function pointers for CCA verbs */
116 /*---------------------------------*/
117 #ifndef OPENSSL_NO_RSA
118 static F_KEYRECORDREAD keyRecordRead;
119 static F_DIGITALSIGNATUREGENERATE digitalSignatureGenerate;
120 static F_DIGITALSIGNATUREVERIFY digitalSignatureVerify;
121 static F_PUBLICKEYEXTRACT publicKeyExtract;
122 static F_PKAENCRYPT pkaEncrypt;
123 static F_PKADECRYPT pkaDecrypt;
125 static F_RANDOMNUMBERGENERATE randomNumberGenerate;
127 /* static variables */
128 /*------------------*/
129 static const char *CCA4758_LIB_NAME = NULL;
130 static const char *get_CCA4758_LIB_NAME(void)
133 return CCA4758_LIB_NAME;
136 static void free_CCA4758_LIB_NAME(void)
139 OPENSSL_free((void*)CCA4758_LIB_NAME);
140 CCA4758_LIB_NAME = NULL;
142 static long set_CCA4758_LIB_NAME(const char *name)
144 free_CCA4758_LIB_NAME();
145 return (((CCA4758_LIB_NAME = BUF_strdup(name)) != NULL) ? 1 : 0);
147 #ifndef OPENSSL_NO_RSA
148 static const char* n_keyRecordRead = CSNDKRR;
149 static const char* n_digitalSignatureGenerate = CSNDDSG;
150 static const char* n_digitalSignatureVerify = CSNDDSV;
151 static const char* n_publicKeyExtract = CSNDPKX;
152 static const char* n_pkaEncrypt = CSNDPKE;
153 static const char* n_pkaDecrypt = CSNDPKD;
155 static const char* n_randomNumberGenerate = CSNBRNG;
157 static int hndidx = -1;
158 static DSO *dso = NULL;
160 /* openssl engine initialization structures */
161 /*------------------------------------------*/
163 #define CCA4758_CMD_SO_PATH ENGINE_CMD_BASE
164 static const ENGINE_CMD_DEFN cca4758_cmd_defns[] = {
165 {CCA4758_CMD_SO_PATH,
167 "Specifies the path to the '4758cca' shared library",
168 ENGINE_CMD_FLAG_STRING},
172 #ifndef OPENSSL_NO_RSA
173 static RSA_METHOD ibm_4758_cca_rsa =
175 "IBM 4758 CCA RSA method",
180 NULL, /*rsa_mod_exp,*/
181 NULL, /*mod_exp_mont,*/
184 RSA_FLAG_SIGN_VER, /* flags */
186 cca_rsa_sign, /* rsa_sign */
187 cca_rsa_verify, /* rsa_verify */
188 NULL /* rsa_keygen */
192 static RAND_METHOD ibm_4758_cca_rand =
194 /* "IBM 4758 RAND method", */
196 cca_get_random_bytes, /* get random bytes from the card */
199 cca_get_random_bytes, /* pseudo rand */
200 cca_random_status, /* status */
203 static const char *engine_4758_cca_id = "4758cca";
204 static const char *engine_4758_cca_name = "IBM 4758 CCA hardware engine support";
206 /* engine implementation */
207 /*-----------------------*/
208 static int bind_helper(ENGINE *e)
210 if(!ENGINE_set_id(e, engine_4758_cca_id) ||
211 !ENGINE_set_name(e, engine_4758_cca_name) ||
212 #ifndef OPENSSL_NO_RSA
213 !ENGINE_set_RSA(e, &ibm_4758_cca_rsa) ||
215 !ENGINE_set_RAND(e, &ibm_4758_cca_rand) ||
216 !ENGINE_set_destroy_function(e, ibm_4758_cca_destroy) ||
217 !ENGINE_set_init_function(e, ibm_4758_cca_init) ||
218 !ENGINE_set_finish_function(e, ibm_4758_cca_finish) ||
219 !ENGINE_set_ctrl_function(e, ibm_4758_cca_ctrl) ||
220 !ENGINE_set_load_privkey_function(e, ibm_4758_load_privkey) ||
221 !ENGINE_set_load_pubkey_function(e, ibm_4758_load_pubkey) ||
222 !ENGINE_set_cmd_defns(e, cca4758_cmd_defns))
224 /* Ensure the error handling is set up */
225 ERR_load_CCA4758_strings();
229 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
230 static ENGINE *engine_4758_cca(void)
232 ENGINE *ret = ENGINE_new();
235 if(!bind_helper(ret))
243 void ENGINE_load_4758cca(void)
245 ENGINE *e_4758 = engine_4758_cca();
253 static int ibm_4758_cca_destroy(ENGINE *e)
255 ERR_unload_CCA4758_strings();
256 free_CCA4758_LIB_NAME();
260 static int ibm_4758_cca_init(ENGINE *e)
264 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_ALREADY_LOADED);
268 dso = DSO_load(NULL, get_CCA4758_LIB_NAME(), NULL, 0);
271 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
275 #ifndef OPENSSL_NO_RSA
276 if(!(keyRecordRead = (F_KEYRECORDREAD)
277 DSO_bind_func(dso, n_keyRecordRead)) ||
278 !(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
279 DSO_bind_func(dso, n_randomNumberGenerate)) ||
280 !(digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)
281 DSO_bind_func(dso, n_digitalSignatureGenerate)) ||
282 !(digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)
283 DSO_bind_func(dso, n_digitalSignatureVerify)) ||
284 !(publicKeyExtract = (F_PUBLICKEYEXTRACT)
285 DSO_bind_func(dso, n_publicKeyExtract)) ||
286 !(pkaEncrypt = (F_PKAENCRYPT)
287 DSO_bind_func(dso, n_pkaEncrypt)) ||
288 !(pkaDecrypt = (F_PKADECRYPT)
289 DSO_bind_func(dso, n_pkaDecrypt)))
291 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
295 if(!(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
296 DSO_bind_func(dso, n_randomNumberGenerate)))
298 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
303 hndidx = RSA_get_ex_new_index(0, "IBM 4758 CCA RSA key handle",
304 NULL, NULL, cca_ex_free);
312 keyRecordRead = (F_KEYRECORDREAD)0;
313 randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
314 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
315 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
316 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
317 pkaEncrypt = (F_PKAENCRYPT)0;
318 pkaDecrypt = (F_PKADECRYPT)0;
322 static int ibm_4758_cca_finish(ENGINE *e)
324 free_CCA4758_LIB_NAME();
327 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
328 CCA4758_R_NOT_LOADED);
333 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
334 CCA4758_R_UNIT_FAILURE);
338 keyRecordRead = (F_KEYRECORDREAD)0;
339 randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
340 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
341 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
342 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
343 pkaEncrypt = (F_PKAENCRYPT)0;
344 pkaDecrypt = (F_PKADECRYPT)0;
348 static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
350 int initialised = ((dso == NULL) ? 0 : 1);
353 case CCA4758_CMD_SO_PATH:
356 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
357 ERR_R_PASSED_NULL_PARAMETER);
362 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
363 CCA4758_R_ALREADY_LOADED);
366 return set_CCA4758_LIB_NAME((const char *)p);
370 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
371 CCA4758_R_COMMAND_NOT_IMPLEMENTED);
375 #ifndef OPENSSL_NO_RSA
377 #define MAX_CCA_PKA_TOKEN_SIZE 2500
379 static EVP_PKEY *ibm_4758_load_privkey(ENGINE* e, const char* key_id,
380 UI_METHOD *ui_method, void *callback_data)
383 EVP_PKEY *res = NULL;
384 unsigned char* keyToken = NULL;
385 unsigned char pubKeyToken[MAX_CCA_PKA_TOKEN_SIZE];
386 long pubKeyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
387 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
390 long exitDataLength = 0;
391 long ruleArrayLength = 0;
392 unsigned char exitData[8];
393 unsigned char ruleArray[8];
394 unsigned char keyLabel[64];
395 unsigned long keyLabelLength = strlen(key_id);
396 unsigned char modulus[256];
397 long modulusFieldLength = sizeof(modulus);
398 long modulusLength = 0;
399 unsigned char exponent[256];
400 long exponentLength = sizeof(exponent);
402 if (keyLabelLength > sizeof(keyLabel))
404 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
405 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
409 memset(keyLabel,' ', sizeof(keyLabel));
410 memcpy(keyLabel, key_id, keyLabelLength);
412 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
415 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
416 ERR_R_MALLOC_FAILURE);
420 keyRecordRead(&returnCode, &reasonCode, &exitDataLength,
421 exitData, &ruleArrayLength, ruleArray, keyLabel,
422 &keyTokenLength, keyToken+sizeof(long));
426 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
427 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
431 publicKeyExtract(&returnCode, &reasonCode, &exitDataLength,
432 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
433 keyToken+sizeof(long), &pubKeyTokenLength, pubKeyToken);
437 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
438 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
442 if (!getModulusAndExponent(pubKeyToken, &exponentLength,
443 exponent, &modulusLength, &modulusFieldLength,
446 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
447 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
451 (*(long*)keyToken) = keyTokenLength;
452 rtmp = RSA_new_method(e);
453 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
455 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
456 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
457 rtmp->flags |= RSA_FLAG_EXT_PKEY;
459 res = EVP_PKEY_new();
460 EVP_PKEY_assign_RSA(res, rtmp);
465 OPENSSL_free(keyToken);
473 static EVP_PKEY *ibm_4758_load_pubkey(ENGINE* e, const char* key_id,
474 UI_METHOD *ui_method, void *callback_data)
477 EVP_PKEY *res = NULL;
478 unsigned char* keyToken = NULL;
479 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
482 long exitDataLength = 0;
483 long ruleArrayLength = 0;
484 unsigned char exitData[8];
485 unsigned char ruleArray[8];
486 unsigned char keyLabel[64];
487 unsigned long keyLabelLength = strlen(key_id);
488 unsigned char modulus[512];
489 long modulusFieldLength = sizeof(modulus);
490 long modulusLength = 0;
491 unsigned char exponent[512];
492 long exponentLength = sizeof(exponent);
494 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));
507 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
508 ERR_R_MALLOC_FAILURE);
512 keyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,
513 &ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,
514 keyToken+sizeof(long));
518 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
519 ERR_R_MALLOC_FAILURE);
523 if (!getModulusAndExponent(keyToken+sizeof(long), &exponentLength,
524 exponent, &modulusLength, &modulusFieldLength, modulus))
526 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
527 CCA4758_R_FAILED_LOADING_PUBLIC_KEY);
531 (*(long*)keyToken) = keyTokenLength;
532 rtmp = RSA_new_method(e);
533 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
534 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
535 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
536 rtmp->flags |= RSA_FLAG_EXT_PKEY;
537 res = EVP_PKEY_new();
538 EVP_PKEY_assign_RSA(res, rtmp);
543 OPENSSL_free(keyToken);
551 static int cca_rsa_pub_enc(int flen, const unsigned char *from,
552 unsigned char *to, RSA *rsa,int padding)
557 long exitDataLength = 0;
558 unsigned char exitData[8];
559 long ruleArrayLength = 1;
560 unsigned char ruleArray[8] = "PKCS-1.2";
561 long dataStructureLength = 0;
562 unsigned char dataStructure[8];
563 long outputLength = RSA_size(rsa);
565 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
567 keyTokenLength = *(long*)keyToken;
568 keyToken+=sizeof(long);
570 pkaEncrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
571 &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
572 &dataStructureLength, dataStructure, &keyTokenLength,
573 keyToken, &outputLength, to);
575 if (returnCode || reasonCode)
576 return -(returnCode << 16 | reasonCode);
580 static int cca_rsa_priv_dec(int flen, const unsigned char *from,
581 unsigned char *to, RSA *rsa,int padding)
586 long exitDataLength = 0;
587 unsigned char exitData[8];
588 long ruleArrayLength = 1;
589 unsigned char ruleArray[8] = "PKCS-1.2";
590 long dataStructureLength = 0;
591 unsigned char dataStructure[8];
592 long outputLength = RSA_size(rsa);
594 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
596 keyTokenLength = *(long*)keyToken;
597 keyToken+=sizeof(long);
599 pkaDecrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
600 &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
601 &dataStructureLength, dataStructure, &keyTokenLength,
602 keyToken, &outputLength, to);
604 return (returnCode | reasonCode) ? 0 : 1;
607 #define SSL_SIG_LEN 36
609 static int cca_rsa_verify(int type, const unsigned char *m, unsigned int m_len,
610 unsigned char *sigbuf, unsigned int siglen, const RSA *rsa)
614 long lsiglen = siglen;
615 long exitDataLength = 0;
616 unsigned char exitData[8];
617 long ruleArrayLength = 1;
618 unsigned char ruleArray[8] = "PKCS-1.1";
620 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
621 long length = SSL_SIG_LEN;
623 unsigned char *hashBuffer = NULL;
626 X509_ALGOR algorithm;
627 ASN1_OCTET_STRING digest;
629 keyTokenLength = *(long*)keyToken;
630 keyToken+=sizeof(long);
632 if (type == NID_md5 || type == NID_sha1)
634 sig.algor = &algorithm;
635 algorithm.algorithm = OBJ_nid2obj(type);
637 if (!algorithm.algorithm)
639 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
640 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
644 if (!algorithm.algorithm->length)
646 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
647 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
651 parameter.type = V_ASN1_NULL;
652 parameter.value.ptr = NULL;
653 algorithm.parameter = ¶meter;
655 sig.digest = &digest;
656 sig.digest->data = (unsigned char*)m;
657 sig.digest->length = m_len;
659 length = i2d_X509_SIG(&sig, NULL);
662 keyLength = RSA_size(rsa);
664 if (length - RSA_PKCS1_PADDING > keyLength)
666 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
667 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
674 if (m_len != SSL_SIG_LEN)
676 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
677 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
681 hashBuffer = (unsigned char *)m;
687 ptr = hashBuffer = OPENSSL_malloc(
688 (unsigned int)keyLength+1);
691 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
692 ERR_R_MALLOC_FAILURE);
696 i2d_X509_SIG(&sig, &ptr);
702 ptr = hashBuffer = OPENSSL_malloc(
703 (unsigned int)keyLength+1);
706 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
707 ERR_R_MALLOC_FAILURE);
710 i2d_X509_SIG(&sig, &ptr);
717 digitalSignatureVerify(&returnCode, &reasonCode, &exitDataLength,
718 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
719 keyToken, &length, hashBuffer, &lsiglen, sigbuf);
721 if (type == NID_sha1 || type == NID_md5)
723 OPENSSL_cleanse(hashBuffer, keyLength+1);
724 OPENSSL_free(hashBuffer);
727 return ((returnCode || reasonCode) ? 0 : 1);
730 #define SSL_SIG_LEN 36
732 static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
733 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
737 long exitDataLength = 0;
738 unsigned char exitData[8];
739 long ruleArrayLength = 1;
740 unsigned char ruleArray[8] = "PKCS-1.1";
741 long outputLength=256;
742 long outputBitLength;
744 unsigned char *hashBuffer = NULL;
745 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
746 long length = SSL_SIG_LEN;
750 X509_ALGOR algorithm;
751 ASN1_OCTET_STRING digest;
753 keyTokenLength = *(long*)keyToken;
754 keyToken+=sizeof(long);
756 if (type == NID_md5 || type == NID_sha1)
758 sig.algor = &algorithm;
759 algorithm.algorithm = OBJ_nid2obj(type);
761 if (!algorithm.algorithm)
763 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
764 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
768 if (!algorithm.algorithm->length)
770 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
771 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
775 parameter.type = V_ASN1_NULL;
776 parameter.value.ptr = NULL;
777 algorithm.parameter = ¶meter;
779 sig.digest = &digest;
780 sig.digest->data = (unsigned char*)m;
781 sig.digest->length = m_len;
783 length = i2d_X509_SIG(&sig, NULL);
786 keyLength = RSA_size(rsa);
788 if (length - RSA_PKCS1_PADDING > keyLength)
790 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
791 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
798 if (m_len != SSL_SIG_LEN)
800 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
801 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
804 hashBuffer = (unsigned char*)m;
810 ptr = hashBuffer = OPENSSL_malloc(
811 (unsigned int)keyLength+1);
814 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
815 ERR_R_MALLOC_FAILURE);
818 i2d_X509_SIG(&sig, &ptr);
824 ptr = hashBuffer = OPENSSL_malloc(
825 (unsigned int)keyLength+1);
828 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
829 ERR_R_MALLOC_FAILURE);
832 i2d_X509_SIG(&sig, &ptr);
839 digitalSignatureGenerate(&returnCode, &reasonCode, &exitDataLength,
840 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
841 keyToken, &length, hashBuffer, &outputLength, &outputBitLength,
844 if (type == NID_sha1 || type == NID_md5)
846 OPENSSL_cleanse(hashBuffer, keyLength+1);
847 OPENSSL_free(hashBuffer);
850 *siglen = outputLength;
852 return ((returnCode || reasonCode) ? 0 : 1);
855 static int getModulusAndExponent(const unsigned char*token, long *exponentLength,
856 unsigned char *exponent, long *modulusLength, long *modulusFieldLength,
857 unsigned char *modulus)
861 if (*token++ != (char)0x1E) /* internal PKA token? */
864 if (*token++) /* token version must be zero */
869 len |= (unsigned char)*token++;
871 token += 4; /* skip reserved bytes */
873 if (*token++ == (char)0x04)
875 if (*token++) /* token version must be zero */
880 len |= (unsigned char)*token++;
882 token+=2; /* skip reserved section */
886 len |= (unsigned char)*token++;
888 *exponentLength = len;
892 len |= (unsigned char)*token++;
894 *modulusLength = len;
898 len |= (unsigned char)*token++;
900 *modulusFieldLength = len;
902 memcpy(exponent, token, *exponentLength);
903 token+= *exponentLength;
905 memcpy(modulus, token, *modulusFieldLength);
911 #endif /* OPENSSL_NO_RSA */
913 static int cca_random_status(void)
918 static int cca_get_random_bytes(unsigned char* buf, int num)
922 long exit_data_length;
923 unsigned char exit_data[4];
924 unsigned char form[] = "RANDOM ";
925 unsigned char rand_buf[8];
927 while(num >= (int)sizeof(rand_buf))
929 randomNumberGenerate(&ret_code, &reason_code, &exit_data_length,
930 exit_data, form, rand_buf);
933 num -= sizeof(rand_buf);
934 memcpy(buf, rand_buf, sizeof(rand_buf));
935 buf += sizeof(rand_buf);
940 randomNumberGenerate(&ret_code, &reason_code, NULL, NULL,
944 memcpy(buf, rand_buf, num);
950 static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, int idx,
951 long argl, void *argp)
957 /* Goo to handle building as a dynamic engine */
958 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
959 static int bind_fn(ENGINE *e, const char *id)
961 if(id && (strcmp(id, engine_4758_cca_id) != 0))
967 IMPLEMENT_DYNAMIC_CHECK_FN()
968 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
969 #endif /* OPENSSL_NO_DYNAMIC_ENGINE */
971 #endif /* !OPENSSL_NO_HW_4758_CCA */
972 #endif /* !OPENSSL_NO_HW */