Home | History | Annotate | Download | only in openssl
      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 #include <openssl/evp.h>
     90 
     91 
     92 #ifdef  __cplusplus
     93 extern "C" {
     94 #endif
     95 
     96 #ifdef WIN32
     97 /* Under Win32 this is defined in wincrypt.h */
     98 #undef X509_NAME
     99 #endif
    100 
    101 #include <openssl/x509.h>
    102 #include <openssl/x509v3.h>
    103 
    104 /*
    105 MessageImprint ::= SEQUENCE  {
    106      hashAlgorithm                AlgorithmIdentifier,
    107      hashedMessage                OCTET STRING  }
    108 */
    109 
    110 typedef struct TS_msg_imprint_st
    111 	{
    112 	X509_ALGOR *hash_algo;
    113 	ASN1_OCTET_STRING *hashed_msg;
    114 	} TS_MSG_IMPRINT;
    115 
    116 /*
    117 TimeStampReq ::= SEQUENCE  {
    118    version                  INTEGER  { v1(1) },
    119    messageImprint           MessageImprint,
    120      --a hash algorithm OID and the hash value of the data to be
    121      --time-stamped
    122    reqPolicy                TSAPolicyId                OPTIONAL,
    123    nonce                    INTEGER                    OPTIONAL,
    124    certReq                  BOOLEAN                    DEFAULT FALSE,
    125    extensions               [0] IMPLICIT Extensions    OPTIONAL  }
    126 */
    127 
    128 typedef struct TS_req_st
    129 	{
    130 	ASN1_INTEGER *version;
    131 	TS_MSG_IMPRINT *msg_imprint;
    132 	ASN1_OBJECT *policy_id;		/* OPTIONAL */
    133 	ASN1_INTEGER *nonce;		/* OPTIONAL */
    134 	ASN1_BOOLEAN cert_req;		/* DEFAULT FALSE */
    135 	STACK_OF(X509_EXTENSION) *extensions;	/* [0] OPTIONAL */
    136 	} TS_REQ;
    137 
    138 /*
    139 Accuracy ::= SEQUENCE {
    140                 seconds        INTEGER           OPTIONAL,
    141                 millis     [0] INTEGER  (1..999) OPTIONAL,
    142                 micros     [1] INTEGER  (1..999) OPTIONAL  }
    143 */
    144 
    145 typedef struct TS_accuracy_st
    146 	{
    147 	ASN1_INTEGER *seconds;
    148 	ASN1_INTEGER *millis;
    149 	ASN1_INTEGER *micros;
    150 	} TS_ACCURACY;
    151 
    152 /*
    153 TSTInfo ::= SEQUENCE  {
    154     version                      INTEGER  { v1(1) },
    155     policy                       TSAPolicyId,
    156     messageImprint               MessageImprint,
    157       -- MUST have the same value as the similar field in
    158       -- TimeStampReq
    159     serialNumber                 INTEGER,
    160      -- Time-Stamping users MUST be ready to accommodate integers
    161      -- up to 160 bits.
    162     genTime                      GeneralizedTime,
    163     accuracy                     Accuracy                 OPTIONAL,
    164     ordering                     BOOLEAN             DEFAULT FALSE,
    165     nonce                        INTEGER                  OPTIONAL,
    166       -- MUST be present if the similar field was present
    167       -- in TimeStampReq.  In that case it MUST have the same value.
    168     tsa                          [0] GeneralName          OPTIONAL,
    169     extensions                   [1] IMPLICIT Extensions  OPTIONAL   }
    170 */
    171 
    172 typedef struct TS_tst_info_st
    173 	{
    174 	ASN1_INTEGER *version;
    175 	ASN1_OBJECT *policy_id;
    176 	TS_MSG_IMPRINT *msg_imprint;
    177 	ASN1_INTEGER *serial;
    178 	ASN1_GENERALIZEDTIME *time;
    179 	TS_ACCURACY *accuracy;
    180 	ASN1_BOOLEAN ordering;
    181 	ASN1_INTEGER *nonce;
    182 	GENERAL_NAME *tsa;
    183 	STACK_OF(X509_EXTENSION) *extensions;
    184 	} TS_TST_INFO;
    185 
    186 /*
    187 PKIStatusInfo ::= SEQUENCE {
    188     status        PKIStatus,
    189     statusString  PKIFreeText     OPTIONAL,
    190     failInfo      PKIFailureInfo  OPTIONAL  }
    191 
    192 From RFC 1510 - section 3.1.1:
    193 PKIFreeText ::= SEQUENCE SIZE (1..MAX) OF UTF8String
    194 	-- text encoded as UTF-8 String (note:  each UTF8String SHOULD
    195 	-- include an RFC 1766 language tag to indicate the language
    196 	-- of the contained text)
    197 */
    198 
    199 /* Possible values for status. See ts_resp_print.c && ts_resp_verify.c. */
    200 
    201 #define	TS_STATUS_GRANTED			0
    202 #define	TS_STATUS_GRANTED_WITH_MODS		1
    203 #define	TS_STATUS_REJECTION			2
    204 #define	TS_STATUS_WAITING			3
    205 #define	TS_STATUS_REVOCATION_WARNING		4
    206 #define	TS_STATUS_REVOCATION_NOTIFICATION	5
    207 
    208 /* Possible values for failure_info. See ts_resp_print.c && ts_resp_verify.c */
    209 
    210 #define	TS_INFO_BAD_ALG			0
    211 #define	TS_INFO_BAD_REQUEST		2
    212 #define	TS_INFO_BAD_DATA_FORMAT		5
    213 #define	TS_INFO_TIME_NOT_AVAILABLE	14
    214 #define	TS_INFO_UNACCEPTED_POLICY	15
    215 #define	TS_INFO_UNACCEPTED_EXTENSION	16
    216 #define	TS_INFO_ADD_INFO_NOT_AVAILABLE	17
    217 #define	TS_INFO_SYSTEM_FAILURE		25
    218 
    219 typedef struct TS_status_info_st
    220 	{
    221 	ASN1_INTEGER *status;
    222 	STACK_OF(ASN1_UTF8STRING) *text;
    223 	ASN1_BIT_STRING *failure_info;
    224 	} TS_STATUS_INFO;
    225 
    226 DECLARE_STACK_OF(ASN1_UTF8STRING)
    227 DECLARE_ASN1_SET_OF(ASN1_UTF8STRING)
    228 
    229 /*
    230 TimeStampResp ::= SEQUENCE  {
    231      status                  PKIStatusInfo,
    232      timeStampToken          TimeStampToken     OPTIONAL }
    233 */
    234 
    235 typedef struct TS_resp_st
    236 	{
    237 	TS_STATUS_INFO *status_info;
    238 	PKCS7 *token;
    239 	TS_TST_INFO *tst_info;
    240 	} TS_RESP;
    241 
    242 /* The structure below would belong to the ESS component. */
    243 
    244 /*
    245 IssuerSerial ::= SEQUENCE {
    246 	issuer                   GeneralNames,
    247 	serialNumber             CertificateSerialNumber
    248 	}
    249 */
    250 
    251 typedef struct ESS_issuer_serial
    252 	{
    253 	STACK_OF(GENERAL_NAME)	*issuer;
    254 	ASN1_INTEGER		*serial;
    255 	} ESS_ISSUER_SERIAL;
    256 
    257 /*
    258 ESSCertID ::=  SEQUENCE {
    259         certHash                 Hash,
    260         issuerSerial             IssuerSerial OPTIONAL
    261 }
    262 */
    263 
    264 typedef struct ESS_cert_id
    265 	{
    266 	ASN1_OCTET_STRING *hash;	/* Always SHA-1 digest. */
    267 	ESS_ISSUER_SERIAL *issuer_serial;
    268 	} ESS_CERT_ID;
    269 
    270 DECLARE_STACK_OF(ESS_CERT_ID)
    271 DECLARE_ASN1_SET_OF(ESS_CERT_ID)
    272 
    273 /*
    274 SigningCertificate ::=  SEQUENCE {
    275        certs        SEQUENCE OF ESSCertID,
    276        policies     SEQUENCE OF PolicyInformation OPTIONAL
    277 }
    278 */
    279 
    280 typedef struct ESS_signing_cert
    281 	{
    282 	STACK_OF(ESS_CERT_ID) *cert_ids;
    283 	STACK_OF(POLICYINFO) *policy_info;
    284 	} ESS_SIGNING_CERT;
    285 
    286 
    287 TS_REQ	*TS_REQ_new(void);
    288 void	TS_REQ_free(TS_REQ *a);
    289 int	i2d_TS_REQ(const TS_REQ *a, unsigned char **pp);
    290 TS_REQ	*d2i_TS_REQ(TS_REQ **a, const unsigned char **pp, long length);
    291 
    292 TS_REQ	*TS_REQ_dup(TS_REQ *a);
    293 
    294 TS_REQ	*d2i_TS_REQ_fp(FILE *fp, TS_REQ **a);
    295 int	i2d_TS_REQ_fp(FILE *fp, TS_REQ *a);
    296 TS_REQ	*d2i_TS_REQ_bio(BIO *fp, TS_REQ **a);
    297 int	i2d_TS_REQ_bio(BIO *fp, TS_REQ *a);
    298 
    299 TS_MSG_IMPRINT	*TS_MSG_IMPRINT_new(void);
    300 void		TS_MSG_IMPRINT_free(TS_MSG_IMPRINT *a);
    301 int		i2d_TS_MSG_IMPRINT(const TS_MSG_IMPRINT *a, unsigned char **pp);
    302 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT(TS_MSG_IMPRINT **a,
    303 				    const unsigned char **pp, long length);
    304 
    305 TS_MSG_IMPRINT	*TS_MSG_IMPRINT_dup(TS_MSG_IMPRINT *a);
    306 
    307 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a);
    308 int		i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a);
    309 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT **a);
    310 int		i2d_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT *a);
    311 
    312 TS_RESP	*TS_RESP_new(void);
    313 void	TS_RESP_free(TS_RESP *a);
    314 int	i2d_TS_RESP(const TS_RESP *a, unsigned char **pp);
    315 TS_RESP	*d2i_TS_RESP(TS_RESP **a, const unsigned char **pp, long length);
    316 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token);
    317 TS_RESP	*TS_RESP_dup(TS_RESP *a);
    318 
    319 TS_RESP	*d2i_TS_RESP_fp(FILE *fp, TS_RESP **a);
    320 int	i2d_TS_RESP_fp(FILE *fp, TS_RESP *a);
    321 TS_RESP	*d2i_TS_RESP_bio(BIO *fp, TS_RESP **a);
    322 int	i2d_TS_RESP_bio(BIO *fp, TS_RESP *a);
    323 
    324 TS_STATUS_INFO	*TS_STATUS_INFO_new(void);
    325 void		TS_STATUS_INFO_free(TS_STATUS_INFO *a);
    326 int		i2d_TS_STATUS_INFO(const TS_STATUS_INFO *a, unsigned char **pp);
    327 TS_STATUS_INFO	*d2i_TS_STATUS_INFO(TS_STATUS_INFO **a,
    328 				    const unsigned char **pp, long length);
    329 TS_STATUS_INFO	*TS_STATUS_INFO_dup(TS_STATUS_INFO *a);
    330 
    331 TS_TST_INFO	*TS_TST_INFO_new(void);
    332 void		TS_TST_INFO_free(TS_TST_INFO *a);
    333 int		i2d_TS_TST_INFO(const TS_TST_INFO *a, unsigned char **pp);
    334 TS_TST_INFO	*d2i_TS_TST_INFO(TS_TST_INFO **a, const unsigned char **pp,
    335 				    long length);
    336 TS_TST_INFO	*TS_TST_INFO_dup(TS_TST_INFO *a);
    337 
    338 TS_TST_INFO	*d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a);
    339 int		i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a);
    340 TS_TST_INFO	*d2i_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO **a);
    341 int		i2d_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO *a);
    342 
    343 TS_ACCURACY	*TS_ACCURACY_new(void);
    344 void		TS_ACCURACY_free(TS_ACCURACY *a);
    345 int		i2d_TS_ACCURACY(const TS_ACCURACY *a, unsigned char **pp);
    346 TS_ACCURACY	*d2i_TS_ACCURACY(TS_ACCURACY **a, const unsigned char **pp,
    347 				    long length);
    348 TS_ACCURACY	*TS_ACCURACY_dup(TS_ACCURACY *a);
    349 
    350 ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_new(void);
    351 void		  ESS_ISSUER_SERIAL_free(ESS_ISSUER_SERIAL *a);
    352 int		  i2d_ESS_ISSUER_SERIAL(const ESS_ISSUER_SERIAL *a,
    353 					unsigned char **pp);
    354 ESS_ISSUER_SERIAL *d2i_ESS_ISSUER_SERIAL(ESS_ISSUER_SERIAL **a,
    355 					 const unsigned char **pp, long length);
    356 ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_dup(ESS_ISSUER_SERIAL *a);
    357 
    358 ESS_CERT_ID	*ESS_CERT_ID_new(void);
    359 void		ESS_CERT_ID_free(ESS_CERT_ID *a);
    360 int		i2d_ESS_CERT_ID(const ESS_CERT_ID *a, unsigned char **pp);
    361 ESS_CERT_ID	*d2i_ESS_CERT_ID(ESS_CERT_ID **a, const unsigned char **pp,
    362 				 long length);
    363 ESS_CERT_ID	*ESS_CERT_ID_dup(ESS_CERT_ID *a);
    364 
    365 ESS_SIGNING_CERT *ESS_SIGNING_CERT_new(void);
    366 void		 ESS_SIGNING_CERT_free(ESS_SIGNING_CERT *a);
    367 int		 i2d_ESS_SIGNING_CERT(const ESS_SIGNING_CERT *a,
    368 				      unsigned char **pp);
    369 ESS_SIGNING_CERT *d2i_ESS_SIGNING_CERT(ESS_SIGNING_CERT **a,
    370 				       const unsigned char **pp, long length);
    371 ESS_SIGNING_CERT *ESS_SIGNING_CERT_dup(ESS_SIGNING_CERT *a);
    372 
    373 void ERR_load_TS_strings(void);
    374 
    375 int TS_REQ_set_version(TS_REQ *a, long version);
    376 long TS_REQ_get_version(const TS_REQ *a);
    377 
    378 int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint);
    379 TS_MSG_IMPRINT *TS_REQ_get_msg_imprint(TS_REQ *a);
    380 
    381 int TS_MSG_IMPRINT_set_algo(TS_MSG_IMPRINT *a, X509_ALGOR *alg);
    382 X509_ALGOR *TS_MSG_IMPRINT_get_algo(TS_MSG_IMPRINT *a);
    383 
    384 int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len);
    385 ASN1_OCTET_STRING *TS_MSG_IMPRINT_get_msg(TS_MSG_IMPRINT *a);
    386 
    387 int TS_REQ_set_policy_id(TS_REQ *a, ASN1_OBJECT *policy);
    388 ASN1_OBJECT *TS_REQ_get_policy_id(TS_REQ *a);
    389 
    390 int TS_REQ_set_nonce(TS_REQ *a, const ASN1_INTEGER *nonce);
    391 const ASN1_INTEGER *TS_REQ_get_nonce(const TS_REQ *a);
    392 
    393 int TS_REQ_set_cert_req(TS_REQ *a, int cert_req);
    394 int TS_REQ_get_cert_req(const TS_REQ *a);
    395 
    396 STACK_OF(X509_EXTENSION) *TS_REQ_get_exts(TS_REQ *a);
    397 void TS_REQ_ext_free(TS_REQ *a);
    398 int TS_REQ_get_ext_count(TS_REQ *a);
    399 int TS_REQ_get_ext_by_NID(TS_REQ *a, int nid, int lastpos);
    400 int TS_REQ_get_ext_by_OBJ(TS_REQ *a, ASN1_OBJECT *obj, int lastpos);
    401 int TS_REQ_get_ext_by_critical(TS_REQ *a, int crit, int lastpos);
    402 X509_EXTENSION *TS_REQ_get_ext(TS_REQ *a, int loc);
    403 X509_EXTENSION *TS_REQ_delete_ext(TS_REQ *a, int loc);
    404 int TS_REQ_add_ext(TS_REQ *a, X509_EXTENSION *ex, int loc);
    405 void *TS_REQ_get_ext_d2i(TS_REQ *a, int nid, int *crit, int *idx);
    406 
    407 /* Function declarations for TS_REQ defined in ts/ts_req_print.c */
    408 
    409 int TS_REQ_print_bio(BIO *bio, TS_REQ *a);
    410 
    411 /* Function declarations for TS_RESP defined in ts/ts_resp_utils.c */
    412 
    413 int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *info);
    414 TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a);
    415 
    416 /* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
    417 void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info);
    418 PKCS7 *TS_RESP_get_token(TS_RESP *a);
    419 TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a);
    420 
    421 int TS_TST_INFO_set_version(TS_TST_INFO *a, long version);
    422 long TS_TST_INFO_get_version(const TS_TST_INFO *a);
    423 
    424 int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy_id);
    425 ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a);
    426 
    427 int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint);
    428 TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a);
    429 
    430 int TS_TST_INFO_set_serial(TS_TST_INFO *a, const ASN1_INTEGER *serial);
    431 const ASN1_INTEGER *TS_TST_INFO_get_serial(const TS_TST_INFO *a);
    432 
    433 int TS_TST_INFO_set_time(TS_TST_INFO *a, const ASN1_GENERALIZEDTIME *gtime);
    434 const ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(const TS_TST_INFO *a);
    435 
    436 int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy);
    437 TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a);
    438 
    439 int TS_ACCURACY_set_seconds(TS_ACCURACY *a, const ASN1_INTEGER *seconds);
    440 const ASN1_INTEGER *TS_ACCURACY_get_seconds(const TS_ACCURACY *a);
    441 
    442 int TS_ACCURACY_set_millis(TS_ACCURACY *a, const ASN1_INTEGER *millis);
    443 const ASN1_INTEGER *TS_ACCURACY_get_millis(const TS_ACCURACY *a);
    444 
    445 int TS_ACCURACY_set_micros(TS_ACCURACY *a, const ASN1_INTEGER *micros);
    446 const ASN1_INTEGER *TS_ACCURACY_get_micros(const TS_ACCURACY *a);
    447 
    448 int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering);
    449 int TS_TST_INFO_get_ordering(const TS_TST_INFO *a);
    450 
    451 int TS_TST_INFO_set_nonce(TS_TST_INFO *a, const ASN1_INTEGER *nonce);
    452 const ASN1_INTEGER *TS_TST_INFO_get_nonce(const TS_TST_INFO *a);
    453 
    454 int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa);
    455 GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a);
    456 
    457 STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a);
    458 void TS_TST_INFO_ext_free(TS_TST_INFO *a);
    459 int TS_TST_INFO_get_ext_count(TS_TST_INFO *a);
    460 int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos);
    461 int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, ASN1_OBJECT *obj, int lastpos);
    462 int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos);
    463 X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc);
    464 X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc);
    465 int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc);
    466 void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx);
    467 
    468 /* Declarations related to response generation, defined in ts/ts_resp_sign.c. */
    469 
    470 /* Optional flags for response generation. */
    471 
    472 /* Don't include the TSA name in response. */
    473 #define	TS_TSA_NAME		0x01
    474 
    475 /* Set ordering to true in response. */
    476 #define	TS_ORDERING		0x02
    477 
    478 /*
    479  * Include the signer certificate and the other specified certificates in
    480  * the ESS signing certificate attribute beside the PKCS7 signed data.
    481  * Only the signer certificates is included by default.
    482  */
    483 #define	TS_ESS_CERT_ID_CHAIN	0x04
    484 
    485 /* Forward declaration. */
    486 struct TS_resp_ctx;
    487 
    488 /* This must return a unique number less than 160 bits long. */
    489 typedef ASN1_INTEGER *(*TS_serial_cb)(struct TS_resp_ctx *, void *);
    490 
    491 /* This must return the seconds and microseconds since Jan 1, 1970 in
    492    the sec and usec variables allocated by the caller.
    493    Return non-zero for success and zero for failure. */
    494 typedef	int (*TS_time_cb)(struct TS_resp_ctx *, void *, long *sec, long *usec);
    495 
    496 /* This must process the given extension.
    497  * It can modify the TS_TST_INFO object of the context.
    498  * Return values: !0 (processed), 0 (error, it must set the
    499  * status info/failure info of the response).
    500  */
    501 typedef	int (*TS_extension_cb)(struct TS_resp_ctx *, X509_EXTENSION *, void *);
    502 
    503 typedef struct TS_resp_ctx
    504 	{
    505 	X509		*signer_cert;
    506 	EVP_PKEY	*signer_key;
    507 	STACK_OF(X509)	*certs;	/* Certs to include in signed data. */
    508 	STACK_OF(ASN1_OBJECT)	*policies;	/* Acceptable policies. */
    509 	ASN1_OBJECT	*default_policy; /* It may appear in policies, too. */
    510 	STACK_OF(EVP_MD)	*mds;	/* Acceptable message digests. */
    511 	ASN1_INTEGER	*seconds;	/* accuracy, 0 means not specified. */
    512 	ASN1_INTEGER	*millis;	/* accuracy, 0 means not specified. */
    513 	ASN1_INTEGER	*micros;	/* accuracy, 0 means not specified. */
    514 	unsigned	clock_precision_digits; /* fraction of seconds in
    515 						   time stamp token. */
    516 	unsigned	flags;		/* Optional info, see values above. */
    517 
    518 	/* Callback functions. */
    519 	TS_serial_cb serial_cb;
    520 	void *serial_cb_data;	/* User data for serial_cb. */
    521 
    522 	TS_time_cb time_cb;
    523 	void *time_cb_data;	/* User data for time_cb. */
    524 
    525 	TS_extension_cb extension_cb;
    526 	void *extension_cb_data;	/* User data for extension_cb. */
    527 
    528 	/* These members are used only while creating the response. */
    529 	TS_REQ		*request;
    530 	TS_RESP		*response;
    531 	TS_TST_INFO	*tst_info;
    532 	} TS_RESP_CTX;
    533 
    534 DECLARE_STACK_OF(EVP_MD)
    535 DECLARE_ASN1_SET_OF(EVP_MD)
    536 
    537 /* Creates a response context that can be used for generating responses. */
    538 TS_RESP_CTX *TS_RESP_CTX_new(void);
    539 void TS_RESP_CTX_free(TS_RESP_CTX *ctx);
    540 
    541 /* This parameter must be set. */
    542 int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer);
    543 
    544 /* This parameter must be set. */
    545 int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key);
    546 
    547 /* This parameter must be set. */
    548 int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *def_policy);
    549 
    550 /* No additional certs are included in the response by default. */
    551 int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs);
    552 
    553 /* Adds a new acceptable policy, only the default policy
    554    is accepted by default. */
    555 int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, ASN1_OBJECT *policy);
    556 
    557 /* Adds a new acceptable message digest. Note that no message digests
    558    are accepted by default. The md argument is shared with the caller. */
    559 int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md);
    560 
    561 /* Accuracy is not included by default. */
    562 int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
    563 			     int secs, int millis, int micros);
    564 
    565 /* Clock precision digits, i.e. the number of decimal digits:
    566    '0' means sec, '3' msec, '6' usec, and so on. Default is 0. */
    567 int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
    568 					   unsigned clock_precision_digits);
    569 /* At most we accept usec precision. */
    570 #define TS_MAX_CLOCK_PRECISION_DIGITS	6
    571 
    572 /* No flags are set by default. */
    573 void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags);
    574 
    575 /* Default callback always returns a constant. */
    576 void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data);
    577 
    578 /* Default callback uses the gettimeofday() and gmtime() system calls. */
    579 void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data);
    580 
    581 /* Default callback rejects all extensions. The extension callback is called
    582  * when the TS_TST_INFO object is already set up and not signed yet. */
    583 /* FIXME: extension handling is not tested yet. */
    584 void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
    585 				  TS_extension_cb cb, void *data);
    586 
    587 /* The following methods can be used in the callbacks. */
    588 int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
    589 				int status, const char *text);
    590 
    591 /* Sets the status info only if it is still TS_STATUS_GRANTED. */
    592 int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
    593 				     int status, const char *text);
    594 
    595 int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure);
    596 
    597 /* The get methods below can be used in the extension callback. */
    598 TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx);
    599 
    600 TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx);
    601 
    602 /*
    603  * Creates the signed TS_TST_INFO and puts it in TS_RESP.
    604  * In case of errors it sets the status info properly.
    605  * Returns NULL only in case of memory allocation/fatal error.
    606  */
    607 TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio);
    608 
    609 /*
    610  * Declarations related to response verification,
    611  * they are defined in ts/ts_resp_verify.c.
    612  */
    613 
    614 int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
    615 			     X509_STORE *store, X509 **signer_out);
    616 
    617 /* Context structure for the generic verify method. */
    618 
    619 /* Verify the signer's certificate and the signature of the response. */
    620 #define	TS_VFY_SIGNATURE	(1u << 0)
    621 /* Verify the version number of the response. */
    622 #define	TS_VFY_VERSION		(1u << 1)
    623 /* Verify if the policy supplied by the user matches the policy of the TSA. */
    624 #define	TS_VFY_POLICY		(1u << 2)
    625 /* Verify the message imprint provided by the user. This flag should not be
    626    specified with TS_VFY_DATA. */
    627 #define	TS_VFY_IMPRINT		(1u << 3)
    628 /* Verify the message imprint computed by the verify method from the user
    629    provided data and the MD algorithm of the response. This flag should not be
    630    specified with TS_VFY_IMPRINT. */
    631 #define	TS_VFY_DATA		(1u << 4)
    632 /* Verify the nonce value. */
    633 #define	TS_VFY_NONCE		(1u << 5)
    634 /* Verify if the TSA name field matches the signer certificate. */
    635 #define	TS_VFY_SIGNER		(1u << 6)
    636 /* Verify if the TSA name field equals to the user provided name. */
    637 #define	TS_VFY_TSA_NAME		(1u << 7)
    638 
    639 /* You can use the following convenience constants. */
    640 #define	TS_VFY_ALL_IMPRINT	(TS_VFY_SIGNATURE	\
    641 				 | TS_VFY_VERSION	\
    642 				 | TS_VFY_POLICY	\
    643 				 | TS_VFY_IMPRINT	\
    644 				 | TS_VFY_NONCE		\
    645 				 | TS_VFY_SIGNER	\
    646 				 | TS_VFY_TSA_NAME)
    647 #define	TS_VFY_ALL_DATA		(TS_VFY_SIGNATURE	\
    648 				 | TS_VFY_VERSION	\
    649 				 | TS_VFY_POLICY	\
    650 				 | TS_VFY_DATA		\
    651 				 | TS_VFY_NONCE		\
    652 				 | TS_VFY_SIGNER	\
    653 				 | TS_VFY_TSA_NAME)
    654 
    655 typedef struct TS_verify_ctx
    656 	{
    657 	/* Set this to the union of TS_VFY_... flags you want to carry out. */
    658 	unsigned	flags;
    659 
    660 	/* Must be set only with TS_VFY_SIGNATURE. certs is optional. */
    661 	X509_STORE	*store;
    662 	STACK_OF(X509)	*certs;
    663 
    664 	/* Must be set only with TS_VFY_POLICY. */
    665 	ASN1_OBJECT	*policy;
    666 
    667 	/* Must be set only with TS_VFY_IMPRINT. If md_alg is NULL,
    668 	   the algorithm from the response is used. */
    669 	X509_ALGOR	*md_alg;
    670 	unsigned char	*imprint;
    671 	unsigned	imprint_len;
    672 
    673 	/* Must be set only with TS_VFY_DATA. */
    674 	BIO		*data;
    675 
    676 	/* Must be set only with TS_VFY_TSA_NAME. */
    677 	ASN1_INTEGER	*nonce;
    678 
    679 	/* Must be set only with TS_VFY_TSA_NAME. */
    680 	GENERAL_NAME	*tsa_name;
    681 	} TS_VERIFY_CTX;
    682 
    683 int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response);
    684 int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token);
    685 
    686 /*
    687  * Declarations related to response verification context,
    688  * they are defined in ts/ts_verify_ctx.c.
    689  */
    690 
    691 /* Set all fields to zero. */
    692 TS_VERIFY_CTX *TS_VERIFY_CTX_new(void);
    693 void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx);
    694 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx);
    695 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx);
    696 
    697 /*
    698  * If ctx is NULL, it allocates and returns a new object, otherwise
    699  * it returns ctx. It initialises all the members as follows:
    700  * flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE)
    701  * certs = NULL
    702  * store = NULL
    703  * policy = policy from the request or NULL if absent (in this case
    704  *	TS_VFY_POLICY is cleared from flags as well)
    705  * md_alg = MD algorithm from request
    706  * imprint, imprint_len = imprint from request
    707  * data = NULL
    708  * nonce, nonce_len = nonce from the request or NULL if absent (in this case
    709  * 	TS_VFY_NONCE is cleared from flags as well)
    710  * tsa_name = NULL
    711  * Important: after calling this method TS_VFY_SIGNATURE should be added!
    712  */
    713 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx);
    714 
    715 /* Function declarations for TS_RESP defined in ts/ts_resp_print.c */
    716 
    717 int TS_RESP_print_bio(BIO *bio, TS_RESP *a);
    718 int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a);
    719 int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a);
    720 
    721 /* Common utility functions defined in ts/ts_lib.c */
    722 
    723 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num);
    724 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj);
    725 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions);
    726 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg);
    727 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *msg);
    728 
    729 /* Function declarations for handling configuration options,
    730    defined in ts/ts_conf.c */
    731 
    732 X509 *TS_CONF_load_cert(const char *file);
    733 STACK_OF(X509) *TS_CONF_load_certs(const char *file);
    734 EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass);
    735 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section);
    736 int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
    737 		       TS_RESP_CTX *ctx);
    738 int TS_CONF_set_crypto_device(CONF *conf, const char *section,
    739 			      const char *device);
    740 int TS_CONF_set_default_engine(const char *name);
    741 int TS_CONF_set_signer_cert(CONF *conf, const char *section,
    742 			    const char *cert, TS_RESP_CTX *ctx);
    743 int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
    744 		      TS_RESP_CTX *ctx);
    745 int TS_CONF_set_signer_key(CONF *conf, const char *section,
    746 			   const char *key, const char *pass, TS_RESP_CTX *ctx);
    747 int TS_CONF_set_def_policy(CONF *conf, const char *section,
    748 			   const char *policy, TS_RESP_CTX *ctx);
    749 int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    750 int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    751 int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    752 int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
    753 				       TS_RESP_CTX *ctx);
    754 int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    755 int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx);
    756 int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
    757 				  TS_RESP_CTX *ctx);
    758 
    759 /* -------------------------------------------------- */
    760 /* BEGIN ERROR CODES */
    761 /* The following lines are auto generated by the script mkerr.pl. Any changes
    762  * made after this point may be overwritten when the script is next run.
    763  */
    764 void ERR_load_TS_strings(void);
    765 
    766 /* Error codes for the TS functions. */
    767 
    768 /* Function codes. */
    769 #define TS_F_D2I_TS_RESP				 147
    770 #define TS_F_DEF_SERIAL_CB				 110
    771 #define TS_F_DEF_TIME_CB				 111
    772 #define TS_F_ESS_ADD_SIGNING_CERT			 112
    773 #define TS_F_ESS_CERT_ID_NEW_INIT			 113
    774 #define TS_F_ESS_SIGNING_CERT_NEW_INIT			 114
    775 #define TS_F_INT_TS_RESP_VERIFY_TOKEN			 149
    776 #define TS_F_PKCS7_TO_TS_TST_INFO			 148
    777 #define TS_F_TS_ACCURACY_SET_MICROS			 115
    778 #define TS_F_TS_ACCURACY_SET_MILLIS			 116
    779 #define TS_F_TS_ACCURACY_SET_SECONDS			 117
    780 #define TS_F_TS_CHECK_IMPRINTS				 100
    781 #define TS_F_TS_CHECK_NONCES				 101
    782 #define TS_F_TS_CHECK_POLICY				 102
    783 #define TS_F_TS_CHECK_SIGNING_CERTS			 103
    784 #define TS_F_TS_CHECK_STATUS_INFO			 104
    785 #define TS_F_TS_COMPUTE_IMPRINT				 145
    786 #define TS_F_TS_CONF_SET_DEFAULT_ENGINE			 146
    787 #define TS_F_TS_GET_STATUS_TEXT				 105
    788 #define TS_F_TS_MSG_IMPRINT_SET_ALGO			 118
    789 #define TS_F_TS_REQ_SET_MSG_IMPRINT			 119
    790 #define TS_F_TS_REQ_SET_NONCE				 120
    791 #define TS_F_TS_REQ_SET_POLICY_ID			 121
    792 #define TS_F_TS_RESP_CREATE_RESPONSE			 122
    793 #define TS_F_TS_RESP_CREATE_TST_INFO			 123
    794 #define TS_F_TS_RESP_CTX_ADD_FAILURE_INFO		 124
    795 #define TS_F_TS_RESP_CTX_ADD_MD				 125
    796 #define TS_F_TS_RESP_CTX_ADD_POLICY			 126
    797 #define TS_F_TS_RESP_CTX_NEW				 127
    798 #define TS_F_TS_RESP_CTX_SET_ACCURACY			 128
    799 #define TS_F_TS_RESP_CTX_SET_CERTS			 129
    800 #define TS_F_TS_RESP_CTX_SET_DEF_POLICY			 130
    801 #define TS_F_TS_RESP_CTX_SET_SIGNER_CERT		 131
    802 #define TS_F_TS_RESP_CTX_SET_STATUS_INFO		 132
    803 #define TS_F_TS_RESP_GET_POLICY				 133
    804 #define TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION		 134
    805 #define TS_F_TS_RESP_SET_STATUS_INFO			 135
    806 #define TS_F_TS_RESP_SET_TST_INFO			 150
    807 #define TS_F_TS_RESP_SIGN				 136
    808 #define TS_F_TS_RESP_VERIFY_SIGNATURE			 106
    809 #define TS_F_TS_RESP_VERIFY_TOKEN			 107
    810 #define TS_F_TS_TST_INFO_SET_ACCURACY			 137
    811 #define TS_F_TS_TST_INFO_SET_MSG_IMPRINT		 138
    812 #define TS_F_TS_TST_INFO_SET_NONCE			 139
    813 #define TS_F_TS_TST_INFO_SET_POLICY_ID			 140
    814 #define TS_F_TS_TST_INFO_SET_SERIAL			 141
    815 #define TS_F_TS_TST_INFO_SET_TIME			 142
    816 #define TS_F_TS_TST_INFO_SET_TSA			 143
    817 #define TS_F_TS_VERIFY					 108
    818 #define TS_F_TS_VERIFY_CERT				 109
    819 #define TS_F_TS_VERIFY_CTX_NEW				 144
    820 
    821 /* Reason codes. */
    822 #define TS_R_BAD_PKCS7_TYPE				 132
    823 #define TS_R_BAD_TYPE					 133
    824 #define TS_R_CERTIFICATE_VERIFY_ERROR			 100
    825 #define TS_R_COULD_NOT_SET_ENGINE			 127
    826 #define TS_R_COULD_NOT_SET_TIME				 115
    827 #define TS_R_D2I_TS_RESP_INT_FAILED			 128
    828 #define TS_R_DETACHED_CONTENT				 134
    829 #define TS_R_ESS_ADD_SIGNING_CERT_ERROR			 116
    830 #define TS_R_ESS_SIGNING_CERTIFICATE_ERROR		 101
    831 #define TS_R_INVALID_NULL_POINTER			 102
    832 #define TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE		 117
    833 #define TS_R_MESSAGE_IMPRINT_MISMATCH			 103
    834 #define TS_R_NONCE_MISMATCH				 104
    835 #define TS_R_NONCE_NOT_RETURNED				 105
    836 #define TS_R_NO_CONTENT					 106
    837 #define TS_R_NO_TIME_STAMP_TOKEN			 107
    838 #define TS_R_PKCS7_ADD_SIGNATURE_ERROR			 118
    839 #define TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR		 119
    840 #define TS_R_PKCS7_TO_TS_TST_INFO_FAILED		 129
    841 #define TS_R_POLICY_MISMATCH				 108
    842 #define TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE	 120
    843 #define TS_R_RESPONSE_SETUP_ERROR			 121
    844 #define TS_R_SIGNATURE_FAILURE				 109
    845 #define TS_R_THERE_MUST_BE_ONE_SIGNER			 110
    846 #define TS_R_TIME_SYSCALL_ERROR				 122
    847 #define TS_R_TOKEN_NOT_PRESENT				 130
    848 #define TS_R_TOKEN_PRESENT				 131
    849 #define TS_R_TSA_NAME_MISMATCH				 111
    850 #define TS_R_TSA_UNTRUSTED				 112
    851 #define TS_R_TST_INFO_SETUP_ERROR			 123
    852 #define TS_R_TS_DATASIGN				 124
    853 #define TS_R_UNACCEPTABLE_POLICY			 125
    854 #define TS_R_UNSUPPORTED_MD_ALGORITHM			 126
    855 #define TS_R_UNSUPPORTED_VERSION			 113
    856 #define TS_R_WRONG_CONTENT_TYPE				 114
    857 
    858 #ifdef  __cplusplus
    859 }
    860 #endif
    861 #endif
    862