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      1 /* crypto/ts/ts.h */
      2 /* Written by Zoltan Glozik (zglozik (at) opentsa.org) for the OpenSSL
      3  * project 2002, 2003, 2004.
      4  */
      5 /* ====================================================================
      6  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in
     17  *    the documentation and/or other materials provided with the
     18  *    distribution.
     19  *
     20  * 3. All advertising materials mentioning features or use of this
     21  *    software must display the following acknowledgment:
     22  *    "This product includes software developed by the OpenSSL Project
     23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
     24  *
     25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
     26  *    endorse or promote products derived from this software without
     27  *    prior written permission. For written permission, please contact
     28  *    licensing (at) OpenSSL.org.
     29  *
     30  * 5. Products derived from this software may not be called "OpenSSL"
     31  *    nor may "OpenSSL" appear in their names without prior written
     32  *    permission of the OpenSSL Project.
     33  *
     34  * 6. Redistributions of any form whatsoever must retain the following
     35  *    acknowledgment:
     36  *    "This product includes software developed by the OpenSSL Project
     37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
     38  *
     39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
     40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
     43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
     50  * OF THE POSSIBILITY OF SUCH DAMAGE.
     51  * ====================================================================
     52  *
     53  * This product includes cryptographic software written by Eric Young
     54  * (eay (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) cryptsoft.com).
     56  *
     57  */
     58 
     59 #ifndef HEADER_TS_H
     60 #define HEADER_TS_H
     61 
     62 #include <openssl/opensslconf.h>
     63 #include <openssl/symhacks.h>
     64 #ifndef OPENSSL_NO_BUFFER
     65 #include <openssl/buffer.h>
     66 #endif
     67 #ifndef OPENSSL_NO_EVP
     68 #include <openssl/evp.h>
     69 #endif
     70 #ifndef OPENSSL_NO_BIO
     71 #include <openssl/bio.h>
     72 #endif
     73 #include <openssl/stack.h>
     74 #include <openssl/asn1.h>
     75 #include <openssl/safestack.h>
     76 
     77 #ifndef OPENSSL_NO_RSA
     78 #include <openssl/rsa.h>
     79 #endif
     80 
     81 #ifndef OPENSSL_NO_DSA
     82 #include <openssl/dsa.h>
     83 #endif
     84 
     85 #ifndef OPENSSL_NO_DH
     86 #include <openssl/dh.h>
     87 #endif
     88 
     89 #ifdef  __cplusplus
     90 extern "C" {
     91 #endif
     92 
     93 #ifdef WIN32
     94 /* Under Win32 this is defined in wincrypt.h */
     95 #undef X509_NAME
     96 #endif
     97 
     98 #include <openssl/x509.h>
     99 #include <openssl/x509v3.h>
    100 
    101 /*
    102 MessageImprint ::= SEQUENCE  {
    103      hashAlgorithm                AlgorithmIdentifier,
    104      hashedMessage                OCTET STRING  }
    105 */
    106 
    107 typedef struct TS_msg_imprint_st
    108 	{
    109 	X509_ALGOR *hash_algo;
    110 	ASN1_OCTET_STRING *hashed_msg;
    111 	} TS_MSG_IMPRINT;
    112 
    113 /*
    114 TimeStampReq ::= SEQUENCE  {
    115    version                  INTEGER  { v1(1) },
    116    messageImprint           MessageImprint,
    117      --a hash algorithm OID and the hash value of the data to be
    118      --time-stamped
    119    reqPolicy                TSAPolicyId                OPTIONAL,
    120    nonce                    INTEGER                    OPTIONAL,
    121    certReq                  BOOLEAN                    DEFAULT FALSE,
    122    extensions               [0] IMPLICIT Extensions    OPTIONAL  }
    123 */
    124 
    125 typedef struct TS_req_st
    126 	{
    127 	ASN1_INTEGER *version;
    128 	TS_MSG_IMPRINT *msg_imprint;
    129 	ASN1_OBJECT *policy_id;		/* OPTIONAL */
    130 	ASN1_INTEGER *nonce;		/* OPTIONAL */
    131 	ASN1_BOOLEAN cert_req;		/* DEFAULT FALSE */
    132 	STACK_OF(X509_EXTENSION) *extensions;	/* [0] OPTIONAL */
    133 	} TS_REQ;
    134 
    135 /*
    136 Accuracy ::= SEQUENCE {
    137                 seconds        INTEGER           OPTIONAL,
    138                 millis     [0] INTEGER  (1..999) OPTIONAL,
    139                 micros     [1] INTEGER  (1..999) OPTIONAL  }
    140 */
    141 
    142 typedef struct TS_accuracy_st
    143 	{
    144 	ASN1_INTEGER *seconds;
    145 	ASN1_INTEGER *millis;
    146 	ASN1_INTEGER *micros;
    147 	} TS_ACCURACY;
    148 
    149 /*
    150 TSTInfo ::= SEQUENCE  {
    151     version                      INTEGER  { v1(1) },
    152     policy                       TSAPolicyId,
    153     messageImprint               MessageImprint,
    154       -- MUST have the same value as the similar field in
    155       -- TimeStampReq
    156     serialNumber                 INTEGER,
    157      -- Time-Stamping users MUST be ready to accommodate integers
    158      -- up to 160 bits.
    159     genTime                      GeneralizedTime,
    160     accuracy                     Accuracy                 OPTIONAL,
    161     ordering                     BOOLEAN             DEFAULT FALSE,
    162     nonce                        INTEGER                  OPTIONAL,
    163       -- MUST be present if the similar field was present
    164       -- in TimeStampReq.  In that case it MUST have the same value.
    165     tsa                          [0] GeneralName          OPTIONAL,
    166     extensions                   [1] IMPLICIT Extensions  OPTIONAL   }
    167 */
    168 
    169 typedef struct TS_tst_info_st
    170 	{
    171 	ASN1_INTEGER *version;
    172 	ASN1_OBJECT *policy_id;
    173 	TS_MSG_IMPRINT *msg_imprint;
    174 	ASN1_INTEGER *serial;
    175 	ASN1_GENERALIZEDTIME *time;
    176 	TS_ACCURACY *accuracy;
    177 	ASN1_BOOLEAN ordering;
    178 	ASN1_INTEGER *nonce;
    179 	GENERAL_NAME *tsa;
    180 	STACK_OF(X509_EXTENSION) *extensions;
    181 	} TS_TST_INFO;
    182 
    183 /*
    184 PKIStatusInfo ::= SEQUENCE {
    185     status        PKIStatus,
    186     statusString  PKIFreeText     OPTIONAL,
    187     failInfo      PKIFailureInfo  OPTIONAL  }
    188 
    189 From RFC 1510 - section 3.1.1:
    190 PKIFreeText ::= SEQUENCE SIZE (1..MAX) OF UTF8String
    191 	-- text encoded as UTF-8 String (note:  each UTF8String SHOULD
    192 	-- include an RFC 1766 language tag to indicate the language
    193 	-- of the contained text)
    194 */
    195 
    196 /* Possible values for status. See ts_resp_print.c && ts_resp_verify.c. */
    197 
    198 #define	TS_STATUS_GRANTED			0
    199 #define	TS_STATUS_GRANTED_WITH_MODS		1
    200 #define	TS_STATUS_REJECTION			2
    201 #define	TS_STATUS_WAITING			3
    202 #define	TS_STATUS_REVOCATION_WARNING		4
    203 #define	TS_STATUS_REVOCATION_NOTIFICATION	5
    204 
    205 /* Possible values for failure_info. See ts_resp_print.c && ts_resp_verify.c */
    206 
    207 #define	TS_INFO_BAD_ALG			0
    208 #define	TS_INFO_BAD_REQUEST		2
    209 #define	TS_INFO_BAD_DATA_FORMAT		5
    210 #define	TS_INFO_TIME_NOT_AVAILABLE	14
    211 #define	TS_INFO_UNACCEPTED_POLICY	15
    212 #define	TS_INFO_UNACCEPTED_EXTENSION	16
    213 #define	TS_INFO_ADD_INFO_NOT_AVAILABLE	17
    214 #define	TS_INFO_SYSTEM_FAILURE		25
    215 
    216 typedef struct TS_status_info_st
    217 	{
    218 	ASN1_INTEGER *status;
    219 	STACK_OF(ASN1_UTF8STRING) *text;
    220 	ASN1_BIT_STRING *failure_info;
    221 	} TS_STATUS_INFO;
    222 
    223 DECLARE_STACK_OF(ASN1_UTF8STRING)
    224 DECLARE_ASN1_SET_OF(ASN1_UTF8STRING)
    225 
    226 /*
    227 TimeStampResp ::= SEQUENCE  {
    228      status                  PKIStatusInfo,
    229      timeStampToken          TimeStampToken     OPTIONAL }
    230 */
    231 
    232 typedef struct TS_resp_st
    233 	{
    234 	TS_STATUS_INFO *status_info;
    235 	PKCS7 *token;
    236 	TS_TST_INFO *tst_info;
    237 	} TS_RESP;
    238 
    239 /* The structure below would belong to the ESS component. */
    240 
    241 /*
    242 IssuerSerial ::= SEQUENCE {
    243 	issuer                   GeneralNames,
    244 	serialNumber             CertificateSerialNumber
    245 	}
    246 */
    247 
    248 typedef struct ESS_issuer_serial
    249 	{
    250 	STACK_OF(GENERAL_NAME)	*issuer;
    251 	ASN1_INTEGER		*serial;
    252 	} ESS_ISSUER_SERIAL;
    253 
    254 /*
    255 ESSCertID ::=  SEQUENCE {
    256         certHash                 Hash,
    257         issuerSerial             IssuerSerial OPTIONAL
    258 }
    259 */
    260 
    261 typedef struct ESS_cert_id
    262 	{
    263 	ASN1_OCTET_STRING *hash;	/* Always SHA-1 digest. */
    264 	ESS_ISSUER_SERIAL *issuer_serial;
    265 	} ESS_CERT_ID;
    266 
    267 DECLARE_STACK_OF(ESS_CERT_ID)
    268 DECLARE_ASN1_SET_OF(ESS_CERT_ID)
    269 
    270 /*
    271 SigningCertificate ::=  SEQUENCE {
    272        certs        SEQUENCE OF ESSCertID,
    273        policies     SEQUENCE OF PolicyInformation OPTIONAL
    274 }
    275 */
    276 
    277 typedef struct ESS_signing_cert
    278 	{
    279 	STACK_OF(ESS_CERT_ID) *cert_ids;
    280 	STACK_OF(POLICYINFO) *policy_info;
    281 	} ESS_SIGNING_CERT;
    282 
    283 
    284 TS_REQ	*TS_REQ_new(void);
    285 void	TS_REQ_free(TS_REQ *a);
    286 int	i2d_TS_REQ(const TS_REQ *a, unsigned char **pp);
    287 TS_REQ	*d2i_TS_REQ(TS_REQ **a, const unsigned char **pp, long length);
    288 
    289 TS_REQ	*TS_REQ_dup(TS_REQ *a);
    290 
    291 TS_REQ	*d2i_TS_REQ_fp(FILE *fp, TS_REQ **a);
    292 int	i2d_TS_REQ_fp(FILE *fp, TS_REQ *a);
    293 TS_REQ	*d2i_TS_REQ_bio(BIO *fp, TS_REQ **a);
    294 int	i2d_TS_REQ_bio(BIO *fp, TS_REQ *a);
    295 
    296 TS_MSG_IMPRINT	*TS_MSG_IMPRINT_new(void);
    297 void		TS_MSG_IMPRINT_free(TS_MSG_IMPRINT *a);
    298 int		i2d_TS_MSG_IMPRINT(const TS_MSG_IMPRINT *a, unsigned char **pp);
    299 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT(TS_MSG_IMPRINT **a,
    300 				    const unsigned char **pp, long length);
    301 
    302 TS_MSG_IMPRINT	*TS_MSG_IMPRINT_dup(TS_MSG_IMPRINT *a);
    303 
    304 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a);
    305 int		i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a);
    306 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT **a);
    307 int		i2d_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT *a);
    308 
    309 TS_RESP	*TS_RESP_new(void);
    310 void	TS_RESP_free(TS_RESP *a);
    311 int	i2d_TS_RESP(const TS_RESP *a, unsigned char **pp);
    312 TS_RESP	*d2i_TS_RESP(TS_RESP **a, const unsigned char **pp, long length);
    313 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token);
    314 TS_RESP	*TS_RESP_dup(TS_RESP *a);
    315 
    316 TS_RESP	*d2i_TS_RESP_fp(FILE *fp, TS_RESP **a);
    317 int	i2d_TS_RESP_fp(FILE *fp, TS_RESP *a);
    318 TS_RESP	*d2i_TS_RESP_bio(BIO *fp, TS_RESP **a);
    319 int	i2d_TS_RESP_bio(BIO *fp, TS_RESP *a);
    320 
    321 TS_STATUS_INFO	*TS_STATUS_INFO_new(void);
    322 void		TS_STATUS_INFO_free(TS_STATUS_INFO *a);
    323 int		i2d_TS_STATUS_INFO(const TS_STATUS_INFO *a, unsigned char **pp);
    324 TS_STATUS_INFO	*d2i_TS_STATUS_INFO(TS_STATUS_INFO **a,
    325 				    const unsigned char **pp, long length);
    326 TS_STATUS_INFO	*TS_STATUS_INFO_dup(TS_STATUS_INFO *a);
    327 
    328 TS_TST_INFO	*TS_TST_INFO_new(void);
    329 void		TS_TST_INFO_free(TS_TST_INFO *a);
    330 int		i2d_TS_TST_INFO(const TS_TST_INFO *a, unsigned char **pp);
    331 TS_TST_INFO	*d2i_TS_TST_INFO(TS_TST_INFO **a, const unsigned char **pp,
    332 				    long length);
    333 TS_TST_INFO	*TS_TST_INFO_dup(TS_TST_INFO *a);
    334 
    335 TS_TST_INFO	*d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a);
    336 int		i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a);
    337 TS_TST_INFO	*d2i_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO **a);
    338 int		i2d_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO *a);
    339 
    340 TS_ACCURACY	*TS_ACCURACY_new(void);
    341 void		TS_ACCURACY_free(TS_ACCURACY *a);
    342 int		i2d_TS_ACCURACY(const TS_ACCURACY *a, unsigned char **pp);
    343 TS_ACCURACY	*d2i_TS_ACCURACY(TS_ACCURACY **a, const unsigned char **pp,
    344 				    long length);
    345 TS_ACCURACY	*TS_ACCURACY_dup(TS_ACCURACY *a);
    346 
    347 ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_new(void);
    348 void		  ESS_ISSUER_SERIAL_free(ESS_ISSUER_SERIAL *a);
    349 int		  i2d_ESS_ISSUER_SERIAL(const ESS_ISSUER_SERIAL *a,
    350 					unsigned char **pp);
    351 ESS_ISSUER_SERIAL *d2i_ESS_ISSUER_SERIAL(ESS_ISSUER_SERIAL **a,
    352 					 const unsigned char **pp, long length);
    353 ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_dup(ESS_ISSUER_SERIAL *a);
    354 
    355 ESS_CERT_ID	*ESS_CERT_ID_new(void);
    356 void		ESS_CERT_ID_free(ESS_CERT_ID *a);
    357 int		i2d_ESS_CERT_ID(const ESS_CERT_ID *a, unsigned char **pp);
    358 ESS_CERT_ID	*d2i_ESS_CERT_ID(ESS_CERT_ID **a, const unsigned char **pp,
    359 				 long length);
    360 ESS_CERT_ID	*ESS_CERT_ID_dup(ESS_CERT_ID *a);
    361 
    362 ESS_SIGNING_CERT *ESS_SIGNING_CERT_new(void);
    363 void		 ESS_SIGNING_CERT_free(ESS_SIGNING_CERT *a);
    364 int		 i2d_ESS_SIGNING_CERT(const ESS_SIGNING_CERT *a,
    365 				      unsigned char **pp);
    366 ESS_SIGNING_CERT *d2i_ESS_SIGNING_CERT(ESS_SIGNING_CERT **a,
    367 				       const unsigned char **pp, long length);
    368 ESS_SIGNING_CERT *ESS_SIGNING_CERT_dup(ESS_SIGNING_CERT *a);
    369 
    370 void ERR_load_TS_strings(void);
    371 
    372 int TS_REQ_set_version(TS_REQ *a, long version);
    373 long TS_REQ_get_version(const TS_REQ *a);
    374 
    375 int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint);
    376 TS_MSG_IMPRINT *TS_REQ_get_msg_imprint(TS_REQ *a);
    377 
    378 int TS_MSG_IMPRINT_set_algo(TS_MSG_IMPRINT *a, X509_ALGOR *alg);
    379 X509_ALGOR *TS_MSG_IMPRINT_get_algo(TS_MSG_IMPRINT *a);
    380 
    381 int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len);
    382 ASN1_OCTET_STRING *TS_MSG_IMPRINT_get_msg(TS_MSG_IMPRINT *a);
    383 
    384 int TS_REQ_set_policy_id(TS_REQ *a, ASN1_OBJECT *policy);
    385 ASN1_OBJECT *TS_REQ_get_policy_id(TS_REQ *a);
    386 
    387 int TS_REQ_set_nonce(TS_REQ *a, const ASN1_INTEGER *nonce);
    388 const ASN1_INTEGER *TS_REQ_get_nonce(const TS_REQ *a);
    389 
    390 int TS_REQ_set_cert_req(TS_REQ *a, int cert_req);
    391 int TS_REQ_get_cert_req(const TS_REQ *a);
    392 
    393 STACK_OF(X509_EXTENSION) *TS_REQ_get_exts(TS_REQ *a);
    394 void TS_REQ_ext_free(TS_REQ *a);
    395 int TS_REQ_get_ext_count(TS_REQ *a);
    396 int TS_REQ_get_ext_by_NID(TS_REQ *a, int nid, int lastpos);
    397 int TS_REQ_get_ext_by_OBJ(TS_REQ *a, ASN1_OBJECT *obj, int lastpos);
    398 int TS_REQ_get_ext_by_critical(TS_REQ *a, int crit, int lastpos);
    399 X509_EXTENSION *TS_REQ_get_ext(TS_REQ *a, int loc);
    400 X509_EXTENSION *TS_REQ_delete_ext(TS_REQ *a, int loc);
    401 int TS_REQ_add_ext(TS_REQ *a, X509_EXTENSION *ex, int loc);
    402 void *TS_REQ_get_ext_d2i(TS_REQ *a, int nid, int *crit, int *idx);
    403 
    404 /* Function declarations for TS_REQ defined in ts/ts_req_print.c */
    405 
    406 int TS_REQ_print_bio(BIO *bio, TS_REQ *a);
    407 
    408 /* Function declarations for TS_RESP defined in ts/ts_resp_utils.c */
    409 
    410 int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *info);
    411 TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a);
    412 
    413 /* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
    414 void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info);
    415 PKCS7 *TS_RESP_get_token(TS_RESP *a);
    416 TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a);
    417 
    418 int TS_TST_INFO_set_version(TS_TST_INFO *a, long version);
    419 long TS_TST_INFO_get_version(const TS_TST_INFO *a);
    420 
    421 int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy_id);
    422 ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a);
    423 
    424 int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint);
    425 TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a);
    426 
    427 int TS_TST_INFO_set_serial(TS_TST_INFO *a, const ASN1_INTEGER *serial);
    428 const ASN1_INTEGER *TS_TST_INFO_get_serial(const TS_TST_INFO *a);
    429 
    430 int TS_TST_INFO_set_time(TS_TST_INFO *a, const ASN1_GENERALIZEDTIME *gtime);
    431 const ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(const TS_TST_INFO *a);
    432 
    433 int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy);
    434 TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a);
    435 
    436 int TS_ACCURACY_set_seconds(TS_ACCURACY *a, const ASN1_INTEGER *seconds);
    437 const ASN1_INTEGER *TS_ACCURACY_get_seconds(const TS_ACCURACY *a);
    438 
    439 int TS_ACCURACY_set_millis(TS_ACCURACY *a, const ASN1_INTEGER *millis);
    440 const ASN1_INTEGER *TS_ACCURACY_get_millis(const TS_ACCURACY *a);
    441 
    442 int TS_ACCURACY_set_micros(TS_ACCURACY *a, const ASN1_INTEGER *micros);
    443 const ASN1_INTEGER *TS_ACCURACY_get_micros(const TS_ACCURACY *a);
    444 
    445 int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering);
    446 int TS_TST_INFO_get_ordering(const TS_TST_INFO *a);
    447 
    448 int TS_TST_INFO_set_nonce(TS_TST_INFO *a, const ASN1_INTEGER *nonce);
    449 const ASN1_INTEGER *TS_TST_INFO_get_nonce(const TS_TST_INFO *a);
    450 
    451 int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa);
    452 GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a);
    453 
    454 STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a);
    455 void TS_TST_INFO_ext_free(TS_TST_INFO *a);
    456 int TS_TST_INFO_get_ext_count(TS_TST_INFO *a);
    457 int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos);
    458 int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, ASN1_OBJECT *obj, int lastpos);
    459 int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos);
    460 X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc);
    461 X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc);
    462 int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc);
    463 void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx);
    464 
    465 /* Declarations related to response generation, defined in ts/ts_resp_sign.c. */
    466 
    467 /* Optional flags for response generation. */
    468 
    469 /* Don't include the TSA name in response. */
    470 #define	TS_TSA_NAME		0x01
    471 
    472 /* Set ordering to true in response. */
    473 #define	TS_ORDERING		0x02
    474 
    475 /*
    476  * Include the signer certificate and the other specified certificates in
    477  * the ESS signing certificate attribute beside the PKCS7 signed data.
    478  * Only the signer certificates is included by default.
    479  */
    480 #define	TS_ESS_CERT_ID_CHAIN	0x04
    481 
    482 /* Forward declaration. */
    483 struct TS_resp_ctx;
    484 
    485 /* This must return a unique number less than 160 bits long. */
    486 typedef ASN1_INTEGER *(*TS_serial_cb)(struct TS_resp_ctx *, void *);
    487 
    488 /* This must return the seconds and microseconds since Jan 1, 1970 in
    489    the sec and usec variables allocated by the caller.
    490    Return non-zero for success and zero for failure. */
    491 typedef	int (*TS_time_cb)(struct TS_resp_ctx *, void *, long *sec, long *usec);
    492 
    493 /* This must process the given extension.
    494  * It can modify the TS_TST_INFO object of the context.
    495  * Return values: !0 (processed), 0 (error, it must set the
    496  * status info/failure info of the response).
    497  */
    498 typedef	int (*TS_extension_cb)(struct TS_resp_ctx *, X509_EXTENSION *, void *);
    499 
    500 typedef struct TS_resp_ctx
    501 	{
    502 	X509		*signer_cert;
    503 	EVP_PKEY	*signer_key;
    504 	STACK_OF(X509)	*certs;	/* Certs to include in signed data. */
    505 	STACK_OF(ASN1_OBJECT)	*policies;	/* Acceptable policies. */
    506 	ASN1_OBJECT	*default_policy; /* It may appear in policies, too. */
    507 	STACK_OF(EVP_MD)	*mds;	/* Acceptable message digests. */
    508 	ASN1_INTEGER	*seconds;	/* accuracy, 0 means not specified. */
    509 	ASN1_INTEGER	*millis;	/* accuracy, 0 means not specified. */
    510 	ASN1_INTEGER	*micros;	/* accuracy, 0 means not specified. */
    511 	unsigned	clock_precision_digits; /* fraction of seconds in
    512 						   time stamp token. */
    513 	unsigned	flags;		/* Optional info, see values above. */
    514 
    515 	/* Callback functions. */
    516 	TS_serial_cb serial_cb;
    517 	void *serial_cb_data;	/* User data for serial_cb. */
    518 
    519 	TS_time_cb time_cb;
    520 	void *time_cb_data;	/* User data for time_cb. */
    521 
    522 	TS_extension_cb extension_cb;
    523 	void *extension_cb_data;	/* User data for extension_cb. */
    524 
    525 	/* These members are used only while creating the response. */
    526 	TS_REQ		*request;
    527 	TS_RESP		*response;
    528 	TS_TST_INFO	*tst_info;
    529 	} TS_RESP_CTX;
    530 
    531 DECLARE_STACK_OF(EVP_MD)
    532 DECLARE_ASN1_SET_OF(EVP_MD)
    533 
    534 /* Creates a response context that can be used for generating responses. */
    535 TS_RESP_CTX *TS_RESP_CTX_new(void);
    536 void TS_RESP_CTX_free(TS_RESP_CTX *ctx);
    537 
    538 /* This parameter must be set. */
    539 int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer);
    540 
    541 /* This parameter must be set. */
    542 int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key);
    543 
    544 /* This parameter must be set. */
    545 int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *def_policy);
    546 
    547 /* No additional certs are included in the response by default. */
    548 int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs);
    549 
    550 /* Adds a new acceptable policy, only the default policy
    551    is accepted by default. */
    552 int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *policy);
    553 
    554 /* Adds a new acceptable message digest. Note that no message digests
    555    are accepted by default. The md argument is shared with the caller. */
    556 int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md);
    557 
    558 /* Accuracy is not included by default. */
    559 int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
    560 			     int secs, int millis, int micros);
    561 
    562 /* Clock precision digits, i.e. the number of decimal digits:
    563    '0' means sec, '3' msec, '6' usec, and so on. Default is 0. */
    564 int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
    565 					   unsigned clock_precision_digits);
    566 /* At most we accept usec precision. */
    567 #define TS_MAX_CLOCK_PRECISION_DIGITS	6
    568 
    569 /* No flags are set by default. */
    570 void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags);
    571 
    572 /* Default callback always returns a constant. */
    573 void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data);
    574 
    575 /* Default callback uses the gettimeofday() and gmtime() system calls. */
    576 void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data);
    577 
    578 /* Default callback rejects all extensions. The extension callback is called
    579  * when the TS_TST_INFO object is already set up and not signed yet. */
    580 /* FIXME: extension handling is not tested yet. */
    581 void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
    582 				  TS_extension_cb cb, void *data);
    583 
    584 /* The following methods can be used in the callbacks. */
    585 int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
    586 				int status, const char *text);
    587 
    588 /* Sets the status info only if it is still TS_STATUS_GRANTED. */
    589 int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
    590 				     int status, const char *text);
    591 
    592 int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure);
    593 
    594 /* The get methods below can be used in the extension callback. */
    595 TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx);
    596 
    597 TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx);
    598 
    599 /*
    600  * Creates the signed TS_TST_INFO and puts it in TS_RESP.
    601  * In case of errors it sets the status info properly.
    602  * Returns NULL only in case of memory allocation/fatal error.
    603  */
    604 TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio);
    605 
    606 /*
    607  * Declarations related to response verification,
    608  * they are defined in ts/ts_resp_verify.c.
    609  */
    610 
    611 int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
    612 			     X509_STORE *store, X509 **signer_out);
    613 
    614 /* Context structure for the generic verify method. */
    615 
    616 /* Verify the signer's certificate and the signature of the response. */
    617 #define	TS_VFY_SIGNATURE	(1u << 0)
    618 /* Verify the version number of the response. */
    619 #define	TS_VFY_VERSION		(1u << 1)
    620 /* Verify if the policy supplied by the user matches the policy of the TSA. */
    621 #define	TS_VFY_POLICY		(1u << 2)
    622 /* Verify the message imprint provided by the user. This flag should not be
    623    specified with TS_VFY_DATA. */
    624 #define	TS_VFY_IMPRINT		(1u << 3)
    625 /* Verify the message imprint computed by the verify method from the user
    626    provided data and the MD algorithm of the response. This flag should not be
    627    specified with TS_VFY_IMPRINT. */
    628 #define	TS_VFY_DATA		(1u << 4)
    629 /* Verify the nonce value. */
    630 #define	TS_VFY_NONCE		(1u << 5)
    631 /* Verify if the TSA name field matches the signer certificate. */
    632 #define	TS_VFY_SIGNER		(1u << 6)
    633 /* Verify if the TSA name field equals to the user provided name. */
    634 #define	TS_VFY_TSA_NAME		(1u << 7)
    635 
    636 /* You can use the following convenience constants. */
    637 #define	TS_VFY_ALL_IMPRINT	(TS_VFY_SIGNATURE	\
    638 				 | TS_VFY_VERSION	\
    639 				 | TS_VFY_POLICY	\
    640 				 | TS_VFY_IMPRINT	\
    641 				 | TS_VFY_NONCE		\
    642 				 | TS_VFY_SIGNER	\
    643 				 | TS_VFY_TSA_NAME)
    644 #define	TS_VFY_ALL_DATA		(TS_VFY_SIGNATURE	\
    645 				 | TS_VFY_VERSION	\
    646 				 | TS_VFY_POLICY	\
    647 				 | TS_VFY_DATA		\
    648 				 | TS_VFY_NONCE		\
    649 				 | TS_VFY_SIGNER	\
    650 				 | TS_VFY_TSA_NAME)
    651 
    652 typedef struct TS_verify_ctx
    653 	{
    654 	/* Set this to the union of TS_VFY_... flags you want to carry out. */
    655 	unsigned	flags;
    656 
    657 	/* Must be set only with TS_VFY_SIGNATURE. certs is optional. */
    658 	X509_STORE	*store;
    659 	STACK_OF(X509)	*certs;
    660 
    661 	/* Must be set only with TS_VFY_POLICY. */
    662 	ASN1_OBJECT	*policy;
    663 
    664 	/* Must be set only with TS_VFY_IMPRINT. If md_alg is NULL,
    665 	   the algorithm from the response is used. */
    666 	X509_ALGOR	*md_alg;
    667 	unsigned char	*imprint;
    668 	unsigned	imprint_len;
    669 
    670 	/* Must be set only with TS_VFY_DATA. */
    671 	BIO		*data;
    672 
    673 	/* Must be set only with TS_VFY_TSA_NAME. */
    674 	ASN1_INTEGER	*nonce;
    675 
    676 	/* Must be set only with TS_VFY_TSA_NAME. */
    677 	GENERAL_NAME	*tsa_name;
    678 	} TS_VERIFY_CTX;
    679 
    680 int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response);
    681 int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token);
    682 
    683 /*
    684  * Declarations related to response verification context,
    685  * they are defined in ts/ts_verify_ctx.c.
    686  */
    687 
    688 /* Set all fields to zero. */
    689 TS_VERIFY_CTX *TS_VERIFY_CTX_new(void);
    690 void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx);
    691 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx);
    692 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx);
    693 
    694 /*
    695  * If ctx is NULL, it allocates and returns a new object, otherwise
    696  * it returns ctx. It initialises all the members as follows:
    697  * flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE)
    698  * certs = NULL
    699  * store = NULL
    700  * policy = policy from the request or NULL if absent (in this case
    701  *	TS_VFY_POLICY is cleared from flags as well)
    702  * md_alg = MD algorithm from request
    703  * imprint, imprint_len = imprint from request
    704  * data = NULL
    705  * nonce, nonce_len = nonce from the request or NULL if absent (in this case
    706  * 	TS_VFY_NONCE is cleared from flags as well)
    707  * tsa_name = NULL
    708  * Important: after calling this method TS_VFY_SIGNATURE should be added!
    709  */
    710 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx);
    711 
    712 /* Function declarations for TS_RESP defined in ts/ts_resp_print.c */
    713 
    714 int TS_RESP_print_bio(BIO *bio, TS_RESP *a);
    715 int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a);
    716 int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a);
    717 
    718 /* Common utility functions defined in ts/ts_lib.c */
    719 
    720 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num);
    721 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj);
    722 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions);
    723 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg);
    724 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *msg);
    725 
    726 /* Function declarations for handling configuration options,
    727    defined in ts/ts_conf.c */
    728 
    729 X509 *TS_CONF_load_cert(const char *file);
    730 STACK_OF(X509) *TS_CONF_load_certs(const char *file);
    731 EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass);
    732 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section);
    733 int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
    734 		       TS_RESP_CTX *ctx);
    735 int TS_CONF_set_crypto_device(CONF *conf, const char *section,
    736 			      const char *device);
    737 int TS_CONF_set_default_engine(const char *name);
    738 int TS_CONF_set_signer_cert(CONF *conf, const char *section,
    739 			    const char *cert, TS_RESP_CTX *ctx);
    740 int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
    741 		      TS_RESP_CTX *ctx);
    742 int TS_CONF_set_signer_key(CONF *conf, const char *section,
    743 			   const char *key, const char *pass, TS_RESP_CTX *ctx);
    744 int TS_CONF_set_def_policy(CONF *conf, const char *section,
    745 			   const char *policy, TS_RESP_CTX *ctx);
    746 int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    747 int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    748 int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    749 int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
    750 				       TS_RESP_CTX *ctx);
    751 int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    752 int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    753 int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
    754 				  TS_RESP_CTX *ctx);
    755 
    756 /* -------------------------------------------------- */
    757 /* BEGIN ERROR CODES */
    758 /* The following lines are auto generated by the script mkerr.pl. Any changes
    759  * made after this point may be overwritten when the script is next run.
    760  */
    761 void ERR_load_TS_strings(void);
    762 
    763 /* Error codes for the TS functions. */
    764 
    765 /* Function codes. */
    766 #define TS_F_D2I_TS_RESP				 147
    767 #define TS_F_DEF_SERIAL_CB				 110
    768 #define TS_F_DEF_TIME_CB				 111
    769 #define TS_F_ESS_ADD_SIGNING_CERT			 112
    770 #define TS_F_ESS_CERT_ID_NEW_INIT			 113
    771 #define TS_F_ESS_SIGNING_CERT_NEW_INIT			 114
    772 #define TS_F_INT_TS_RESP_VERIFY_TOKEN			 149
    773 #define TS_F_PKCS7_TO_TS_TST_INFO			 148
    774 #define TS_F_TS_ACCURACY_SET_MICROS			 115
    775 #define TS_F_TS_ACCURACY_SET_MILLIS			 116
    776 #define TS_F_TS_ACCURACY_SET_SECONDS			 117
    777 #define TS_F_TS_CHECK_IMPRINTS				 100
    778 #define TS_F_TS_CHECK_NONCES				 101
    779 #define TS_F_TS_CHECK_POLICY				 102
    780 #define TS_F_TS_CHECK_SIGNING_CERTS			 103
    781 #define TS_F_TS_CHECK_STATUS_INFO			 104
    782 #define TS_F_TS_COMPUTE_IMPRINT				 145
    783 #define TS_F_TS_CONF_SET_DEFAULT_ENGINE			 146
    784 #define TS_F_TS_GET_STATUS_TEXT				 105
    785 #define TS_F_TS_MSG_IMPRINT_SET_ALGO			 118
    786 #define TS_F_TS_REQ_SET_MSG_IMPRINT			 119
    787 #define TS_F_TS_REQ_SET_NONCE				 120
    788 #define TS_F_TS_REQ_SET_POLICY_ID			 121
    789 #define TS_F_TS_RESP_CREATE_RESPONSE			 122
    790 #define TS_F_TS_RESP_CREATE_TST_INFO			 123
    791 #define TS_F_TS_RESP_CTX_ADD_FAILURE_INFO		 124
    792 #define TS_F_TS_RESP_CTX_ADD_MD				 125
    793 #define TS_F_TS_RESP_CTX_ADD_POLICY			 126
    794 #define TS_F_TS_RESP_CTX_NEW				 127
    795 #define TS_F_TS_RESP_CTX_SET_ACCURACY			 128
    796 #define TS_F_TS_RESP_CTX_SET_CERTS			 129
    797 #define TS_F_TS_RESP_CTX_SET_DEF_POLICY			 130
    798 #define TS_F_TS_RESP_CTX_SET_SIGNER_CERT		 131
    799 #define TS_F_TS_RESP_CTX_SET_STATUS_INFO		 132
    800 #define TS_F_TS_RESP_GET_POLICY				 133
    801 #define TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION		 134
    802 #define TS_F_TS_RESP_SET_STATUS_INFO			 135
    803 #define TS_F_TS_RESP_SET_TST_INFO			 150
    804 #define TS_F_TS_RESP_SIGN				 136
    805 #define TS_F_TS_RESP_VERIFY_SIGNATURE			 106
    806 #define TS_F_TS_RESP_VERIFY_TOKEN			 107
    807 #define TS_F_TS_TST_INFO_SET_ACCURACY			 137
    808 #define TS_F_TS_TST_INFO_SET_MSG_IMPRINT		 138
    809 #define TS_F_TS_TST_INFO_SET_NONCE			 139
    810 #define TS_F_TS_TST_INFO_SET_POLICY_ID			 140
    811 #define TS_F_TS_TST_INFO_SET_SERIAL			 141
    812 #define TS_F_TS_TST_INFO_SET_TIME			 142
    813 #define TS_F_TS_TST_INFO_SET_TSA			 143
    814 #define TS_F_TS_VERIFY					 108
    815 #define TS_F_TS_VERIFY_CERT				 109
    816 #define TS_F_TS_VERIFY_CTX_NEW				 144
    817 
    818 /* Reason codes. */
    819 #define TS_R_BAD_PKCS7_TYPE				 132
    820 #define TS_R_BAD_TYPE					 133
    821 #define TS_R_CERTIFICATE_VERIFY_ERROR			 100
    822 #define TS_R_COULD_NOT_SET_ENGINE			 127
    823 #define TS_R_COULD_NOT_SET_TIME				 115
    824 #define TS_R_D2I_TS_RESP_INT_FAILED			 128
    825 #define TS_R_DETACHED_CONTENT				 134
    826 #define TS_R_ESS_ADD_SIGNING_CERT_ERROR			 116
    827 #define TS_R_ESS_SIGNING_CERTIFICATE_ERROR		 101
    828 #define TS_R_INVALID_NULL_POINTER			 102
    829 #define TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE		 117
    830 #define TS_R_MESSAGE_IMPRINT_MISMATCH			 103
    831 #define TS_R_NONCE_MISMATCH				 104
    832 #define TS_R_NONCE_NOT_RETURNED				 105
    833 #define TS_R_NO_CONTENT					 106
    834 #define TS_R_NO_TIME_STAMP_TOKEN			 107
    835 #define TS_R_PKCS7_ADD_SIGNATURE_ERROR			 118
    836 #define TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR		 119
    837 #define TS_R_PKCS7_TO_TS_TST_INFO_FAILED		 129
    838 #define TS_R_POLICY_MISMATCH				 108
    839 #define TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE	 120
    840 #define TS_R_RESPONSE_SETUP_ERROR			 121
    841 #define TS_R_SIGNATURE_FAILURE				 109
    842 #define TS_R_THERE_MUST_BE_ONE_SIGNER			 110
    843 #define TS_R_TIME_SYSCALL_ERROR				 122
    844 #define TS_R_TOKEN_NOT_PRESENT				 130
    845 #define TS_R_TOKEN_PRESENT				 131
    846 #define TS_R_TSA_NAME_MISMATCH				 111
    847 #define TS_R_TSA_UNTRUSTED				 112
    848 #define TS_R_TST_INFO_SETUP_ERROR			 123
    849 #define TS_R_TS_DATASIGN				 124
    850 #define TS_R_UNACCEPTABLE_POLICY			 125
    851 #define TS_R_UNSUPPORTED_MD_ALGORITHM			 126
    852 #define TS_R_UNSUPPORTED_VERSION			 113
    853 #define TS_R_WRONG_CONTENT_TYPE				 114
    854 
    855 #ifdef  __cplusplus
    856 }
    857 #endif
    858 #endif
    859