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_4758cca_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";
205 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
206 /* Compatibility hack, the dynamic library uses this form in the path */
207 static const char *engine_4758_cca_id_alt = "4758_cca";
210 /* engine implementation */
211 /*-----------------------*/
212 static int bind_helper(ENGINE *e)
214 if(!ENGINE_set_id(e, engine_4758_cca_id) ||
215 !ENGINE_set_name(e, engine_4758_cca_name) ||
216 #ifndef OPENSSL_NO_RSA
217 !ENGINE_set_RSA(e, &ibm_4758_cca_rsa) ||
219 !ENGINE_set_RAND(e, &ibm_4758_cca_rand) ||
220 !ENGINE_set_destroy_function(e, ibm_4758_cca_destroy) ||
221 !ENGINE_set_init_function(e, ibm_4758_cca_init) ||
222 !ENGINE_set_finish_function(e, ibm_4758_cca_finish) ||
223 !ENGINE_set_ctrl_function(e, ibm_4758_cca_ctrl) ||
224 !ENGINE_set_load_privkey_function(e, ibm_4758_load_privkey) ||
225 !ENGINE_set_load_pubkey_function(e, ibm_4758_load_pubkey) ||
226 !ENGINE_set_cmd_defns(e, cca4758_cmd_defns))
228 /* Ensure the error handling is set up */
229 ERR_load_CCA4758_strings();
233 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
234 static ENGINE *engine_4758_cca(void)
236 ENGINE *ret = ENGINE_new();
239 if(!bind_helper(ret))
247 void ENGINE_load_4758cca(void)
249 ENGINE *e_4758 = engine_4758_cca();
257 static int ibm_4758_cca_destroy(ENGINE *e)
259 ERR_unload_CCA4758_strings();
260 free_CCA4758_LIB_NAME();
264 static int ibm_4758_cca_init(ENGINE *e)
268 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_ALREADY_LOADED);
272 dso = DSO_load(NULL, get_CCA4758_LIB_NAME(), NULL, 0);
275 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
279 #ifndef OPENSSL_NO_RSA
280 if(!(keyRecordRead = (F_KEYRECORDREAD)
281 DSO_bind_func(dso, n_keyRecordRead)) ||
282 !(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
283 DSO_bind_func(dso, n_randomNumberGenerate)) ||
284 !(digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)
285 DSO_bind_func(dso, n_digitalSignatureGenerate)) ||
286 !(digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)
287 DSO_bind_func(dso, n_digitalSignatureVerify)) ||
288 !(publicKeyExtract = (F_PUBLICKEYEXTRACT)
289 DSO_bind_func(dso, n_publicKeyExtract)) ||
290 !(pkaEncrypt = (F_PKAENCRYPT)
291 DSO_bind_func(dso, n_pkaEncrypt)) ||
292 !(pkaDecrypt = (F_PKADECRYPT)
293 DSO_bind_func(dso, n_pkaDecrypt)))
295 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
299 if(!(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
300 DSO_bind_func(dso, n_randomNumberGenerate)))
302 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
307 hndidx = RSA_get_ex_new_index(0, "IBM 4758 CCA RSA key handle",
308 NULL, NULL, cca_ex_free);
316 keyRecordRead = (F_KEYRECORDREAD)0;
317 randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
318 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
319 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
320 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
321 pkaEncrypt = (F_PKAENCRYPT)0;
322 pkaDecrypt = (F_PKADECRYPT)0;
326 static int ibm_4758_cca_finish(ENGINE *e)
328 free_CCA4758_LIB_NAME();
331 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
332 CCA4758_R_NOT_LOADED);
337 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
338 CCA4758_R_UNIT_FAILURE);
342 keyRecordRead = (F_KEYRECORDREAD)0;
343 randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
344 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
345 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
346 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
347 pkaEncrypt = (F_PKAENCRYPT)0;
348 pkaDecrypt = (F_PKADECRYPT)0;
352 static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
354 int initialised = ((dso == NULL) ? 0 : 1);
357 case CCA4758_CMD_SO_PATH:
360 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
361 ERR_R_PASSED_NULL_PARAMETER);
366 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
367 CCA4758_R_ALREADY_LOADED);
370 return set_CCA4758_LIB_NAME((const char *)p);
374 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
375 CCA4758_R_COMMAND_NOT_IMPLEMENTED);
379 #ifndef OPENSSL_NO_RSA
381 #define MAX_CCA_PKA_TOKEN_SIZE 2500
383 static EVP_PKEY *ibm_4758_load_privkey(ENGINE* e, const char* key_id,
384 UI_METHOD *ui_method, void *callback_data)
387 EVP_PKEY *res = NULL;
388 unsigned char* keyToken = NULL;
389 unsigned char pubKeyToken[MAX_CCA_PKA_TOKEN_SIZE];
390 long pubKeyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
391 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
394 long exitDataLength = 0;
395 long ruleArrayLength = 0;
396 unsigned char exitData[8];
397 unsigned char ruleArray[8];
398 unsigned char keyLabel[64];
399 unsigned long keyLabelLength = strlen(key_id);
400 unsigned char modulus[256];
401 long modulusFieldLength = sizeof(modulus);
402 long modulusLength = 0;
403 unsigned char exponent[256];
404 long exponentLength = sizeof(exponent);
406 if (keyLabelLength > sizeof(keyLabel))
408 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
409 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
413 memset(keyLabel,' ', sizeof(keyLabel));
414 memcpy(keyLabel, key_id, keyLabelLength);
416 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
419 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
420 ERR_R_MALLOC_FAILURE);
424 keyRecordRead(&returnCode, &reasonCode, &exitDataLength,
425 exitData, &ruleArrayLength, ruleArray, keyLabel,
426 &keyTokenLength, keyToken+sizeof(long));
430 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
431 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
435 publicKeyExtract(&returnCode, &reasonCode, &exitDataLength,
436 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
437 keyToken+sizeof(long), &pubKeyTokenLength, pubKeyToken);
441 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
442 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
446 if (!getModulusAndExponent(pubKeyToken, &exponentLength,
447 exponent, &modulusLength, &modulusFieldLength,
450 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
451 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
455 (*(long*)keyToken) = keyTokenLength;
456 rtmp = RSA_new_method(e);
457 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
459 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
460 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
461 rtmp->flags |= RSA_FLAG_EXT_PKEY;
463 res = EVP_PKEY_new();
464 EVP_PKEY_assign_RSA(res, rtmp);
469 OPENSSL_free(keyToken);
477 static EVP_PKEY *ibm_4758_load_pubkey(ENGINE* e, const char* key_id,
478 UI_METHOD *ui_method, void *callback_data)
481 EVP_PKEY *res = NULL;
482 unsigned char* keyToken = NULL;
483 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
486 long exitDataLength = 0;
487 long ruleArrayLength = 0;
488 unsigned char exitData[8];
489 unsigned char ruleArray[8];
490 unsigned char keyLabel[64];
491 unsigned long keyLabelLength = strlen(key_id);
492 unsigned char modulus[512];
493 long modulusFieldLength = sizeof(modulus);
494 long modulusLength = 0;
495 unsigned char exponent[512];
496 long exponentLength = sizeof(exponent);
498 if (keyLabelLength > sizeof(keyLabel))
500 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
501 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
505 memset(keyLabel,' ', sizeof(keyLabel));
506 memcpy(keyLabel, key_id, keyLabelLength);
508 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
511 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
512 ERR_R_MALLOC_FAILURE);
516 keyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,
517 &ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,
518 keyToken+sizeof(long));
522 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
523 ERR_R_MALLOC_FAILURE);
527 if (!getModulusAndExponent(keyToken+sizeof(long), &exponentLength,
528 exponent, &modulusLength, &modulusFieldLength, modulus))
530 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
531 CCA4758_R_FAILED_LOADING_PUBLIC_KEY);
535 (*(long*)keyToken) = keyTokenLength;
536 rtmp = RSA_new_method(e);
537 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
538 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
539 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
540 rtmp->flags |= RSA_FLAG_EXT_PKEY;
541 res = EVP_PKEY_new();
542 EVP_PKEY_assign_RSA(res, rtmp);
547 OPENSSL_free(keyToken);
555 static int cca_rsa_pub_enc(int flen, const unsigned char *from,
556 unsigned char *to, RSA *rsa,int padding)
561 long exitDataLength = 0;
562 unsigned char exitData[8];
563 long ruleArrayLength = 1;
564 unsigned char ruleArray[8] = "PKCS-1.2";
565 long dataStructureLength = 0;
566 unsigned char dataStructure[8];
567 long outputLength = RSA_size(rsa);
569 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
571 keyTokenLength = *(long*)keyToken;
572 keyToken+=sizeof(long);
574 pkaEncrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
575 &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
576 &dataStructureLength, dataStructure, &keyTokenLength,
577 keyToken, &outputLength, to);
579 if (returnCode || reasonCode)
580 return -(returnCode << 16 | reasonCode);
584 static int cca_rsa_priv_dec(int flen, const unsigned char *from,
585 unsigned char *to, RSA *rsa,int padding)
590 long exitDataLength = 0;
591 unsigned char exitData[8];
592 long ruleArrayLength = 1;
593 unsigned char ruleArray[8] = "PKCS-1.2";
594 long dataStructureLength = 0;
595 unsigned char dataStructure[8];
596 long outputLength = RSA_size(rsa);
598 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
600 keyTokenLength = *(long*)keyToken;
601 keyToken+=sizeof(long);
603 pkaDecrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
604 &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
605 &dataStructureLength, dataStructure, &keyTokenLength,
606 keyToken, &outputLength, to);
608 return (returnCode | reasonCode) ? 0 : 1;
611 #define SSL_SIG_LEN 36
613 static int cca_rsa_verify(int type, const unsigned char *m, unsigned int m_len,
614 unsigned char *sigbuf, unsigned int siglen, const RSA *rsa)
618 long lsiglen = siglen;
619 long exitDataLength = 0;
620 unsigned char exitData[8];
621 long ruleArrayLength = 1;
622 unsigned char ruleArray[8] = "PKCS-1.1";
624 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
625 long length = SSL_SIG_LEN;
627 unsigned char *hashBuffer = NULL;
630 X509_ALGOR algorithm;
631 ASN1_OCTET_STRING digest;
633 keyTokenLength = *(long*)keyToken;
634 keyToken+=sizeof(long);
636 if (type == NID_md5 || type == NID_sha1)
638 sig.algor = &algorithm;
639 algorithm.algorithm = OBJ_nid2obj(type);
641 if (!algorithm.algorithm)
643 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
644 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
648 if (!algorithm.algorithm->length)
650 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
651 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
655 parameter.type = V_ASN1_NULL;
656 parameter.value.ptr = NULL;
657 algorithm.parameter = ¶meter;
659 sig.digest = &digest;
660 sig.digest->data = (unsigned char*)m;
661 sig.digest->length = m_len;
663 length = i2d_X509_SIG(&sig, NULL);
666 keyLength = RSA_size(rsa);
668 if (length - RSA_PKCS1_PADDING > keyLength)
670 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
671 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
678 if (m_len != SSL_SIG_LEN)
680 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
681 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
685 hashBuffer = (unsigned char *)m;
691 ptr = hashBuffer = OPENSSL_malloc(
692 (unsigned int)keyLength+1);
695 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
696 ERR_R_MALLOC_FAILURE);
700 i2d_X509_SIG(&sig, &ptr);
706 ptr = hashBuffer = OPENSSL_malloc(
707 (unsigned int)keyLength+1);
710 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
711 ERR_R_MALLOC_FAILURE);
714 i2d_X509_SIG(&sig, &ptr);
721 digitalSignatureVerify(&returnCode, &reasonCode, &exitDataLength,
722 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
723 keyToken, &length, hashBuffer, &lsiglen, sigbuf);
725 if (type == NID_sha1 || type == NID_md5)
727 OPENSSL_cleanse(hashBuffer, keyLength+1);
728 OPENSSL_free(hashBuffer);
731 return ((returnCode || reasonCode) ? 0 : 1);
734 #define SSL_SIG_LEN 36
736 static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
737 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
741 long exitDataLength = 0;
742 unsigned char exitData[8];
743 long ruleArrayLength = 1;
744 unsigned char ruleArray[8] = "PKCS-1.1";
745 long outputLength=256;
746 long outputBitLength;
748 unsigned char *hashBuffer = NULL;
749 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
750 long length = SSL_SIG_LEN;
754 X509_ALGOR algorithm;
755 ASN1_OCTET_STRING digest;
757 keyTokenLength = *(long*)keyToken;
758 keyToken+=sizeof(long);
760 if (type == NID_md5 || type == NID_sha1)
762 sig.algor = &algorithm;
763 algorithm.algorithm = OBJ_nid2obj(type);
765 if (!algorithm.algorithm)
767 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
768 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
772 if (!algorithm.algorithm->length)
774 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
775 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
779 parameter.type = V_ASN1_NULL;
780 parameter.value.ptr = NULL;
781 algorithm.parameter = ¶meter;
783 sig.digest = &digest;
784 sig.digest->data = (unsigned char*)m;
785 sig.digest->length = m_len;
787 length = i2d_X509_SIG(&sig, NULL);
790 keyLength = RSA_size(rsa);
792 if (length - RSA_PKCS1_PADDING > keyLength)
794 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
795 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
802 if (m_len != SSL_SIG_LEN)
804 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
805 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
808 hashBuffer = (unsigned char*)m;
814 ptr = hashBuffer = OPENSSL_malloc(
815 (unsigned int)keyLength+1);
818 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
819 ERR_R_MALLOC_FAILURE);
822 i2d_X509_SIG(&sig, &ptr);
828 ptr = hashBuffer = OPENSSL_malloc(
829 (unsigned int)keyLength+1);
832 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
833 ERR_R_MALLOC_FAILURE);
836 i2d_X509_SIG(&sig, &ptr);
843 digitalSignatureGenerate(&returnCode, &reasonCode, &exitDataLength,
844 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
845 keyToken, &length, hashBuffer, &outputLength, &outputBitLength,
848 if (type == NID_sha1 || type == NID_md5)
850 OPENSSL_cleanse(hashBuffer, keyLength+1);
851 OPENSSL_free(hashBuffer);
854 *siglen = outputLength;
856 return ((returnCode || reasonCode) ? 0 : 1);
859 static int getModulusAndExponent(const unsigned char*token, long *exponentLength,
860 unsigned char *exponent, long *modulusLength, long *modulusFieldLength,
861 unsigned char *modulus)
865 if (*token++ != (char)0x1E) /* internal PKA token? */
868 if (*token++) /* token version must be zero */
873 len |= (unsigned char)*token++;
875 token += 4; /* skip reserved bytes */
877 if (*token++ == (char)0x04)
879 if (*token++) /* token version must be zero */
884 len |= (unsigned char)*token++;
886 token+=2; /* skip reserved section */
890 len |= (unsigned char)*token++;
892 *exponentLength = len;
896 len |= (unsigned char)*token++;
898 *modulusLength = len;
902 len |= (unsigned char)*token++;
904 *modulusFieldLength = len;
906 memcpy(exponent, token, *exponentLength);
907 token+= *exponentLength;
909 memcpy(modulus, token, *modulusFieldLength);
915 #endif /* OPENSSL_NO_RSA */
917 static int cca_random_status(void)
922 static int cca_get_random_bytes(unsigned char* buf, int num)
926 long exit_data_length;
927 unsigned char exit_data[4];
928 unsigned char form[] = "RANDOM ";
929 unsigned char rand_buf[8];
931 while(num >= (int)sizeof(rand_buf))
933 randomNumberGenerate(&ret_code, &reason_code, &exit_data_length,
934 exit_data, form, rand_buf);
937 num -= sizeof(rand_buf);
938 memcpy(buf, rand_buf, sizeof(rand_buf));
939 buf += sizeof(rand_buf);
944 randomNumberGenerate(&ret_code, &reason_code, NULL, NULL,
948 memcpy(buf, rand_buf, num);
954 static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, int idx,
955 long argl, void *argp)
961 /* Goo to handle building as a dynamic engine */
962 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
963 static int bind_fn(ENGINE *e, const char *id)
965 if(id && (strcmp(id, engine_4758_cca_id) != 0) &&
966 (strcmp(id, engine_4758_cca_id_alt) != 0))
972 IMPLEMENT_DYNAMIC_CHECK_FN()
973 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
974 #endif /* OPENSSL_NO_DYNAMIC_ENGINE */
976 #endif /* !OPENSSL_NO_HW_4758_CCA */
977 #endif /* !OPENSSL_NO_HW */