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 /* Compatibility hack, the dynamic library uses this form in the path */
206 static const char *engine_4758_cca_id_alt = "4758_cca";
208 /* engine implementation */
209 /*-----------------------*/
210 static int bind_helper(ENGINE *e)
212 if(!ENGINE_set_id(e, engine_4758_cca_id) ||
213 !ENGINE_set_name(e, engine_4758_cca_name) ||
214 #ifndef OPENSSL_NO_RSA
215 !ENGINE_set_RSA(e, &ibm_4758_cca_rsa) ||
217 !ENGINE_set_RAND(e, &ibm_4758_cca_rand) ||
218 !ENGINE_set_destroy_function(e, ibm_4758_cca_destroy) ||
219 !ENGINE_set_init_function(e, ibm_4758_cca_init) ||
220 !ENGINE_set_finish_function(e, ibm_4758_cca_finish) ||
221 !ENGINE_set_ctrl_function(e, ibm_4758_cca_ctrl) ||
222 !ENGINE_set_load_privkey_function(e, ibm_4758_load_privkey) ||
223 !ENGINE_set_load_pubkey_function(e, ibm_4758_load_pubkey) ||
224 !ENGINE_set_cmd_defns(e, cca4758_cmd_defns))
226 /* Ensure the error handling is set up */
227 ERR_load_CCA4758_strings();
231 #ifdef OPENSSL_NO_DYNAMIC_ENGINE
232 static ENGINE *engine_4758_cca(void)
234 ENGINE *ret = ENGINE_new();
237 if(!bind_helper(ret))
245 void ENGINE_load_4758cca(void)
247 ENGINE *e_4758 = engine_4758_cca();
255 static int ibm_4758_cca_destroy(ENGINE *e)
257 ERR_unload_CCA4758_strings();
258 free_CCA4758_LIB_NAME();
262 static int ibm_4758_cca_init(ENGINE *e)
266 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_ALREADY_LOADED);
270 dso = DSO_load(NULL, get_CCA4758_LIB_NAME(), NULL, 0);
273 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
277 #ifndef OPENSSL_NO_RSA
278 if(!(keyRecordRead = (F_KEYRECORDREAD)
279 DSO_bind_func(dso, n_keyRecordRead)) ||
280 !(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
281 DSO_bind_func(dso, n_randomNumberGenerate)) ||
282 !(digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)
283 DSO_bind_func(dso, n_digitalSignatureGenerate)) ||
284 !(digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)
285 DSO_bind_func(dso, n_digitalSignatureVerify)) ||
286 !(publicKeyExtract = (F_PUBLICKEYEXTRACT)
287 DSO_bind_func(dso, n_publicKeyExtract)) ||
288 !(pkaEncrypt = (F_PKAENCRYPT)
289 DSO_bind_func(dso, n_pkaEncrypt)) ||
290 !(pkaDecrypt = (F_PKADECRYPT)
291 DSO_bind_func(dso, n_pkaDecrypt)))
293 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
297 if(!(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
298 DSO_bind_func(dso, n_randomNumberGenerate)))
300 CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
305 hndidx = RSA_get_ex_new_index(0, "IBM 4758 CCA RSA key handle",
306 NULL, NULL, cca_ex_free);
314 keyRecordRead = (F_KEYRECORDREAD)0;
315 randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
316 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
317 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
318 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
319 pkaEncrypt = (F_PKAENCRYPT)0;
320 pkaDecrypt = (F_PKADECRYPT)0;
324 static int ibm_4758_cca_finish(ENGINE *e)
326 free_CCA4758_LIB_NAME();
329 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
330 CCA4758_R_NOT_LOADED);
335 CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
336 CCA4758_R_UNIT_FAILURE);
340 keyRecordRead = (F_KEYRECORDREAD)0;
341 randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
342 digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
343 digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
344 publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
345 pkaEncrypt = (F_PKAENCRYPT)0;
346 pkaDecrypt = (F_PKADECRYPT)0;
350 static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
352 int initialised = ((dso == NULL) ? 0 : 1);
355 case CCA4758_CMD_SO_PATH:
358 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
359 ERR_R_PASSED_NULL_PARAMETER);
364 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
365 CCA4758_R_ALREADY_LOADED);
368 return set_CCA4758_LIB_NAME((const char *)p);
372 CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
373 CCA4758_R_COMMAND_NOT_IMPLEMENTED);
377 #ifndef OPENSSL_NO_RSA
379 #define MAX_CCA_PKA_TOKEN_SIZE 2500
381 static EVP_PKEY *ibm_4758_load_privkey(ENGINE* e, const char* key_id,
382 UI_METHOD *ui_method, void *callback_data)
385 EVP_PKEY *res = NULL;
386 unsigned char* keyToken = NULL;
387 unsigned char pubKeyToken[MAX_CCA_PKA_TOKEN_SIZE];
388 long pubKeyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
389 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
392 long exitDataLength = 0;
393 long ruleArrayLength = 0;
394 unsigned char exitData[8];
395 unsigned char ruleArray[8];
396 unsigned char keyLabel[64];
397 unsigned long keyLabelLength = strlen(key_id);
398 unsigned char modulus[256];
399 long modulusFieldLength = sizeof(modulus);
400 long modulusLength = 0;
401 unsigned char exponent[256];
402 long exponentLength = sizeof(exponent);
404 if (keyLabelLength > sizeof(keyLabel))
406 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
407 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
411 memset(keyLabel,' ', sizeof(keyLabel));
412 memcpy(keyLabel, key_id, keyLabelLength);
414 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
417 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
418 ERR_R_MALLOC_FAILURE);
422 keyRecordRead(&returnCode, &reasonCode, &exitDataLength,
423 exitData, &ruleArrayLength, ruleArray, keyLabel,
424 &keyTokenLength, keyToken+sizeof(long));
428 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
429 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
433 publicKeyExtract(&returnCode, &reasonCode, &exitDataLength,
434 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
435 keyToken+sizeof(long), &pubKeyTokenLength, pubKeyToken);
439 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
440 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
444 if (!getModulusAndExponent(pubKeyToken, &exponentLength,
445 exponent, &modulusLength, &modulusFieldLength,
448 CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
449 CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
453 (*(long*)keyToken) = keyTokenLength;
454 rtmp = RSA_new_method(e);
455 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
457 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
458 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
459 rtmp->flags |= RSA_FLAG_EXT_PKEY;
461 res = EVP_PKEY_new();
462 EVP_PKEY_assign_RSA(res, rtmp);
467 OPENSSL_free(keyToken);
475 static EVP_PKEY *ibm_4758_load_pubkey(ENGINE* e, const char* key_id,
476 UI_METHOD *ui_method, void *callback_data)
479 EVP_PKEY *res = NULL;
480 unsigned char* keyToken = NULL;
481 long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
484 long exitDataLength = 0;
485 long ruleArrayLength = 0;
486 unsigned char exitData[8];
487 unsigned char ruleArray[8];
488 unsigned char keyLabel[64];
489 unsigned long keyLabelLength = strlen(key_id);
490 unsigned char modulus[512];
491 long modulusFieldLength = sizeof(modulus);
492 long modulusLength = 0;
493 unsigned char exponent[512];
494 long exponentLength = sizeof(exponent);
496 if (keyLabelLength > sizeof(keyLabel))
498 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
499 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
503 memset(keyLabel,' ', sizeof(keyLabel));
504 memcpy(keyLabel, key_id, keyLabelLength);
506 keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
509 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
510 ERR_R_MALLOC_FAILURE);
514 keyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,
515 &ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,
516 keyToken+sizeof(long));
520 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
521 ERR_R_MALLOC_FAILURE);
525 if (!getModulusAndExponent(keyToken+sizeof(long), &exponentLength,
526 exponent, &modulusLength, &modulusFieldLength, modulus))
528 CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
529 CCA4758_R_FAILED_LOADING_PUBLIC_KEY);
533 (*(long*)keyToken) = keyTokenLength;
534 rtmp = RSA_new_method(e);
535 RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
536 rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
537 rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
538 rtmp->flags |= RSA_FLAG_EXT_PKEY;
539 res = EVP_PKEY_new();
540 EVP_PKEY_assign_RSA(res, rtmp);
545 OPENSSL_free(keyToken);
553 static int cca_rsa_pub_enc(int flen, const unsigned char *from,
554 unsigned char *to, RSA *rsa,int padding)
559 long exitDataLength = 0;
560 unsigned char exitData[8];
561 long ruleArrayLength = 1;
562 unsigned char ruleArray[8] = "PKCS-1.2";
563 long dataStructureLength = 0;
564 unsigned char dataStructure[8];
565 long outputLength = RSA_size(rsa);
567 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
569 keyTokenLength = *(long*)keyToken;
570 keyToken+=sizeof(long);
572 pkaEncrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
573 &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
574 &dataStructureLength, dataStructure, &keyTokenLength,
575 keyToken, &outputLength, to);
577 if (returnCode || reasonCode)
578 return -(returnCode << 16 | reasonCode);
582 static int cca_rsa_priv_dec(int flen, const unsigned char *from,
583 unsigned char *to, RSA *rsa,int padding)
588 long exitDataLength = 0;
589 unsigned char exitData[8];
590 long ruleArrayLength = 1;
591 unsigned char ruleArray[8] = "PKCS-1.2";
592 long dataStructureLength = 0;
593 unsigned char dataStructure[8];
594 long outputLength = RSA_size(rsa);
596 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
598 keyTokenLength = *(long*)keyToken;
599 keyToken+=sizeof(long);
601 pkaDecrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
602 &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
603 &dataStructureLength, dataStructure, &keyTokenLength,
604 keyToken, &outputLength, to);
606 return (returnCode | reasonCode) ? 0 : 1;
609 #define SSL_SIG_LEN 36
611 static int cca_rsa_verify(int type, const unsigned char *m, unsigned int m_len,
612 unsigned char *sigbuf, unsigned int siglen, const RSA *rsa)
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";
622 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
623 long length = SSL_SIG_LEN;
625 unsigned char *hashBuffer = NULL;
628 X509_ALGOR algorithm;
629 ASN1_OCTET_STRING digest;
631 keyTokenLength = *(long*)keyToken;
632 keyToken+=sizeof(long);
634 if (type == NID_md5 || type == NID_sha1)
636 sig.algor = &algorithm;
637 algorithm.algorithm = OBJ_nid2obj(type);
639 if (!algorithm.algorithm)
641 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
642 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
646 if (!algorithm.algorithm->length)
648 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
649 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
653 parameter.type = V_ASN1_NULL;
654 parameter.value.ptr = NULL;
655 algorithm.parameter = ¶meter;
657 sig.digest = &digest;
658 sig.digest->data = (unsigned char*)m;
659 sig.digest->length = m_len;
661 length = i2d_X509_SIG(&sig, NULL);
664 keyLength = RSA_size(rsa);
666 if (length - RSA_PKCS1_PADDING > keyLength)
668 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
669 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
676 if (m_len != SSL_SIG_LEN)
678 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
679 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
683 hashBuffer = (unsigned char *)m;
689 ptr = hashBuffer = OPENSSL_malloc(
690 (unsigned int)keyLength+1);
693 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
694 ERR_R_MALLOC_FAILURE);
698 i2d_X509_SIG(&sig, &ptr);
704 ptr = hashBuffer = OPENSSL_malloc(
705 (unsigned int)keyLength+1);
708 CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
709 ERR_R_MALLOC_FAILURE);
712 i2d_X509_SIG(&sig, &ptr);
719 digitalSignatureVerify(&returnCode, &reasonCode, &exitDataLength,
720 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
721 keyToken, &length, hashBuffer, &lsiglen, sigbuf);
723 if (type == NID_sha1 || type == NID_md5)
725 OPENSSL_cleanse(hashBuffer, keyLength+1);
726 OPENSSL_free(hashBuffer);
729 return ((returnCode || reasonCode) ? 0 : 1);
732 #define SSL_SIG_LEN 36
734 static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
735 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
739 long exitDataLength = 0;
740 unsigned char exitData[8];
741 long ruleArrayLength = 1;
742 unsigned char ruleArray[8] = "PKCS-1.1";
743 long outputLength=256;
744 long outputBitLength;
746 unsigned char *hashBuffer = NULL;
747 unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
748 long length = SSL_SIG_LEN;
752 X509_ALGOR algorithm;
753 ASN1_OCTET_STRING digest;
755 keyTokenLength = *(long*)keyToken;
756 keyToken+=sizeof(long);
758 if (type == NID_md5 || type == NID_sha1)
760 sig.algor = &algorithm;
761 algorithm.algorithm = OBJ_nid2obj(type);
763 if (!algorithm.algorithm)
765 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
766 CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
770 if (!algorithm.algorithm->length)
772 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
773 CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
777 parameter.type = V_ASN1_NULL;
778 parameter.value.ptr = NULL;
779 algorithm.parameter = ¶meter;
781 sig.digest = &digest;
782 sig.digest->data = (unsigned char*)m;
783 sig.digest->length = m_len;
785 length = i2d_X509_SIG(&sig, NULL);
788 keyLength = RSA_size(rsa);
790 if (length - RSA_PKCS1_PADDING > keyLength)
792 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
793 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
800 if (m_len != SSL_SIG_LEN)
802 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
803 CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
806 hashBuffer = (unsigned char*)m;
812 ptr = hashBuffer = OPENSSL_malloc(
813 (unsigned int)keyLength+1);
816 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
817 ERR_R_MALLOC_FAILURE);
820 i2d_X509_SIG(&sig, &ptr);
826 ptr = hashBuffer = OPENSSL_malloc(
827 (unsigned int)keyLength+1);
830 CCA4758err(CCA4758_F_CCA_RSA_SIGN,
831 ERR_R_MALLOC_FAILURE);
834 i2d_X509_SIG(&sig, &ptr);
841 digitalSignatureGenerate(&returnCode, &reasonCode, &exitDataLength,
842 exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
843 keyToken, &length, hashBuffer, &outputLength, &outputBitLength,
846 if (type == NID_sha1 || type == NID_md5)
848 OPENSSL_cleanse(hashBuffer, keyLength+1);
849 OPENSSL_free(hashBuffer);
852 *siglen = outputLength;
854 return ((returnCode || reasonCode) ? 0 : 1);
857 static int getModulusAndExponent(const unsigned char*token, long *exponentLength,
858 unsigned char *exponent, long *modulusLength, long *modulusFieldLength,
859 unsigned char *modulus)
863 if (*token++ != (char)0x1E) /* internal PKA token? */
866 if (*token++) /* token version must be zero */
871 len |= (unsigned char)*token++;
873 token += 4; /* skip reserved bytes */
875 if (*token++ == (char)0x04)
877 if (*token++) /* token version must be zero */
882 len |= (unsigned char)*token++;
884 token+=2; /* skip reserved section */
888 len |= (unsigned char)*token++;
890 *exponentLength = len;
894 len |= (unsigned char)*token++;
896 *modulusLength = len;
900 len |= (unsigned char)*token++;
902 *modulusFieldLength = len;
904 memcpy(exponent, token, *exponentLength);
905 token+= *exponentLength;
907 memcpy(modulus, token, *modulusFieldLength);
913 #endif /* OPENSSL_NO_RSA */
915 static int cca_random_status(void)
920 static int cca_get_random_bytes(unsigned char* buf, int num)
924 long exit_data_length;
925 unsigned char exit_data[4];
926 unsigned char form[] = "RANDOM ";
927 unsigned char rand_buf[8];
929 while(num >= (int)sizeof(rand_buf))
931 randomNumberGenerate(&ret_code, &reason_code, &exit_data_length,
932 exit_data, form, rand_buf);
935 num -= sizeof(rand_buf);
936 memcpy(buf, rand_buf, sizeof(rand_buf));
937 buf += sizeof(rand_buf);
942 randomNumberGenerate(&ret_code, &reason_code, NULL, NULL,
946 memcpy(buf, rand_buf, num);
952 static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, int idx,
953 long argl, void *argp)
959 /* Goo to handle building as a dynamic engine */
960 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
961 static int bind_fn(ENGINE *e, const char *id)
963 if(id && (strcmp(id, engine_4758_cca_id) != 0) &&
964 (strcmp(id, engine_4758_cca_id_alt) != 0))
970 IMPLEMENT_DYNAMIC_CHECK_FN()
971 IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
972 #endif /* OPENSSL_NO_DYNAMIC_ENGINE */
974 #endif /* !OPENSSL_NO_HW_4758_CCA */
975 #endif /* !OPENSSL_NO_HW */