xref: /freebsd/crypto/openssl/include/openssl/ts.h (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
1 /*
2  * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #ifndef OPENSSL_TS_H
11 # define OPENSSL_TS_H
12 # pragma once
13 
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
16 #  define HEADER_TS_H
17 # endif
18 
19 # include <openssl/opensslconf.h>
20 
21 # ifndef OPENSSL_NO_TS
22 # include <openssl/symhacks.h>
23 # include <openssl/buffer.h>
24 # include <openssl/evp.h>
25 # include <openssl/bio.h>
26 # include <openssl/asn1.h>
27 # include <openssl/safestack.h>
28 # include <openssl/rsa.h>
29 # include <openssl/dsa.h>
30 # include <openssl/dh.h>
31 # include <openssl/tserr.h>
32 # include <openssl/ess.h>
33 # ifdef  __cplusplus
34 extern "C" {
35 # endif
36 
37 # include <openssl/x509.h>
38 # include <openssl/x509v3.h>
39 
40 typedef struct TS_msg_imprint_st TS_MSG_IMPRINT;
41 typedef struct TS_req_st TS_REQ;
42 typedef struct TS_accuracy_st TS_ACCURACY;
43 typedef struct TS_tst_info_st TS_TST_INFO;
44 
45 /* Possible values for status. */
46 # define TS_STATUS_GRANTED                       0
47 # define TS_STATUS_GRANTED_WITH_MODS             1
48 # define TS_STATUS_REJECTION                     2
49 # define TS_STATUS_WAITING                       3
50 # define TS_STATUS_REVOCATION_WARNING            4
51 # define TS_STATUS_REVOCATION_NOTIFICATION       5
52 
53 /* Possible values for failure_info. */
54 # define TS_INFO_BAD_ALG                 0
55 # define TS_INFO_BAD_REQUEST             2
56 # define TS_INFO_BAD_DATA_FORMAT         5
57 # define TS_INFO_TIME_NOT_AVAILABLE      14
58 # define TS_INFO_UNACCEPTED_POLICY       15
59 # define TS_INFO_UNACCEPTED_EXTENSION    16
60 # define TS_INFO_ADD_INFO_NOT_AVAILABLE  17
61 # define TS_INFO_SYSTEM_FAILURE          25
62 
63 
64 typedef struct TS_status_info_st TS_STATUS_INFO;
65 
66 typedef struct TS_resp_st TS_RESP;
67 
68 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_REQ)
69 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_REQ, TS_REQ)
70 DECLARE_ASN1_DUP_FUNCTION(TS_REQ)
71 
72 #ifndef OPENSSL_NO_STDIO
73 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a);
74 int i2d_TS_REQ_fp(FILE *fp, const TS_REQ *a);
75 #endif
76 TS_REQ *d2i_TS_REQ_bio(BIO *fp, TS_REQ **a);
77 int i2d_TS_REQ_bio(BIO *fp, const TS_REQ *a);
78 
79 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_MSG_IMPRINT)
80 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_MSG_IMPRINT, TS_MSG_IMPRINT)
81 DECLARE_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
82 
83 #ifndef OPENSSL_NO_STDIO
84 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a);
85 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, const TS_MSG_IMPRINT *a);
86 #endif
87 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bio, TS_MSG_IMPRINT **a);
88 int i2d_TS_MSG_IMPRINT_bio(BIO *bio, const TS_MSG_IMPRINT *a);
89 
90 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_RESP)
91 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_RESP, TS_RESP)
92 DECLARE_ASN1_DUP_FUNCTION(TS_RESP)
93 
94 #ifndef OPENSSL_NO_STDIO
95 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a);
96 int i2d_TS_RESP_fp(FILE *fp, const TS_RESP *a);
97 #endif
98 TS_RESP *d2i_TS_RESP_bio(BIO *bio, TS_RESP **a);
99 int i2d_TS_RESP_bio(BIO *bio, const TS_RESP *a);
100 
101 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_STATUS_INFO)
102 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_STATUS_INFO, TS_STATUS_INFO)
103 DECLARE_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
104 
105 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_TST_INFO)
106 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_TST_INFO, TS_TST_INFO)
107 DECLARE_ASN1_DUP_FUNCTION(TS_TST_INFO)
108 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token);
109 
110 #ifndef OPENSSL_NO_STDIO
111 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a);
112 int i2d_TS_TST_INFO_fp(FILE *fp, const TS_TST_INFO *a);
113 #endif
114 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bio, TS_TST_INFO **a);
115 int i2d_TS_TST_INFO_bio(BIO *bio, const TS_TST_INFO *a);
116 
117 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_ACCURACY)
118 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_ACCURACY, TS_ACCURACY)
119 DECLARE_ASN1_DUP_FUNCTION(TS_ACCURACY)
120 
121 int TS_REQ_set_version(TS_REQ *a, long version);
122 long TS_REQ_get_version(const TS_REQ *a);
123 
124 int TS_STATUS_INFO_set_status(TS_STATUS_INFO *a, int i);
125 const ASN1_INTEGER *TS_STATUS_INFO_get0_status(const TS_STATUS_INFO *a);
126 
127 const STACK_OF(ASN1_UTF8STRING) *
128 TS_STATUS_INFO_get0_text(const TS_STATUS_INFO *a);
129 
130 const ASN1_BIT_STRING *
131 TS_STATUS_INFO_get0_failure_info(const TS_STATUS_INFO *a);
132 
133 int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint);
134 TS_MSG_IMPRINT *TS_REQ_get_msg_imprint(TS_REQ *a);
135 
136 int TS_MSG_IMPRINT_set_algo(TS_MSG_IMPRINT *a, X509_ALGOR *alg);
137 X509_ALGOR *TS_MSG_IMPRINT_get_algo(TS_MSG_IMPRINT *a);
138 
139 int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len);
140 ASN1_OCTET_STRING *TS_MSG_IMPRINT_get_msg(TS_MSG_IMPRINT *a);
141 
142 int TS_REQ_set_policy_id(TS_REQ *a, const ASN1_OBJECT *policy);
143 ASN1_OBJECT *TS_REQ_get_policy_id(TS_REQ *a);
144 
145 int TS_REQ_set_nonce(TS_REQ *a, const ASN1_INTEGER *nonce);
146 const ASN1_INTEGER *TS_REQ_get_nonce(const TS_REQ *a);
147 
148 int TS_REQ_set_cert_req(TS_REQ *a, int cert_req);
149 int TS_REQ_get_cert_req(const TS_REQ *a);
150 
151 STACK_OF(X509_EXTENSION) *TS_REQ_get_exts(TS_REQ *a);
152 void TS_REQ_ext_free(TS_REQ *a);
153 int TS_REQ_get_ext_count(TS_REQ *a);
154 int TS_REQ_get_ext_by_NID(TS_REQ *a, int nid, int lastpos);
155 int TS_REQ_get_ext_by_OBJ(TS_REQ *a, const ASN1_OBJECT *obj, int lastpos);
156 int TS_REQ_get_ext_by_critical(TS_REQ *a, int crit, int lastpos);
157 X509_EXTENSION *TS_REQ_get_ext(TS_REQ *a, int loc);
158 X509_EXTENSION *TS_REQ_delete_ext(TS_REQ *a, int loc);
159 int TS_REQ_add_ext(TS_REQ *a, X509_EXTENSION *ex, int loc);
160 void *TS_REQ_get_ext_d2i(TS_REQ *a, int nid, int *crit, int *idx);
161 
162 /* Function declarations for TS_REQ defined in ts/ts_req_print.c */
163 
164 int TS_REQ_print_bio(BIO *bio, TS_REQ *a);
165 
166 /* Function declarations for TS_RESP defined in ts/ts_resp_utils.c */
167 
168 int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *info);
169 TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a);
170 
171 /* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
172 void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info);
173 PKCS7 *TS_RESP_get_token(TS_RESP *a);
174 TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a);
175 
176 int TS_TST_INFO_set_version(TS_TST_INFO *a, long version);
177 long TS_TST_INFO_get_version(const TS_TST_INFO *a);
178 
179 int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy_id);
180 ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a);
181 
182 int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint);
183 TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a);
184 
185 int TS_TST_INFO_set_serial(TS_TST_INFO *a, const ASN1_INTEGER *serial);
186 const ASN1_INTEGER *TS_TST_INFO_get_serial(const TS_TST_INFO *a);
187 
188 int TS_TST_INFO_set_time(TS_TST_INFO *a, const ASN1_GENERALIZEDTIME *gtime);
189 const ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(const TS_TST_INFO *a);
190 
191 int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy);
192 TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a);
193 
194 int TS_ACCURACY_set_seconds(TS_ACCURACY *a, const ASN1_INTEGER *seconds);
195 const ASN1_INTEGER *TS_ACCURACY_get_seconds(const TS_ACCURACY *a);
196 
197 int TS_ACCURACY_set_millis(TS_ACCURACY *a, const ASN1_INTEGER *millis);
198 const ASN1_INTEGER *TS_ACCURACY_get_millis(const TS_ACCURACY *a);
199 
200 int TS_ACCURACY_set_micros(TS_ACCURACY *a, const ASN1_INTEGER *micros);
201 const ASN1_INTEGER *TS_ACCURACY_get_micros(const TS_ACCURACY *a);
202 
203 int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering);
204 int TS_TST_INFO_get_ordering(const TS_TST_INFO *a);
205 
206 int TS_TST_INFO_set_nonce(TS_TST_INFO *a, const ASN1_INTEGER *nonce);
207 const ASN1_INTEGER *TS_TST_INFO_get_nonce(const TS_TST_INFO *a);
208 
209 int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa);
210 GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a);
211 
212 STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a);
213 void TS_TST_INFO_ext_free(TS_TST_INFO *a);
214 int TS_TST_INFO_get_ext_count(TS_TST_INFO *a);
215 int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos);
216 int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, const ASN1_OBJECT *obj,
217                                int lastpos);
218 int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos);
219 X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc);
220 X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc);
221 int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc);
222 void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx);
223 
224 /*
225  * Declarations related to response generation, defined in ts/ts_resp_sign.c.
226  */
227 
228 /* Optional flags for response generation. */
229 
230 /* Don't include the TSA name in response. */
231 # define TS_TSA_NAME             0x01
232 
233 /* Set ordering to true in response. */
234 # define TS_ORDERING             0x02
235 
236 /*
237  * Include the signer certificate and the other specified certificates in
238  * the ESS signing certificate attribute beside the PKCS7 signed data.
239  * Only the signer certificates is included by default.
240  */
241 # define TS_ESS_CERT_ID_CHAIN    0x04
242 
243 /* Forward declaration. */
244 struct TS_resp_ctx;
245 
246 /* This must return a unique number less than 160 bits long. */
247 typedef ASN1_INTEGER *(*TS_serial_cb) (struct TS_resp_ctx *, void *);
248 
249 /*
250  * This must return the seconds and microseconds since Jan 1, 1970 in the sec
251  * and usec variables allocated by the caller. Return non-zero for success
252  * and zero for failure.
253  */
254 typedef int (*TS_time_cb) (struct TS_resp_ctx *, void *, long *sec,
255                            long *usec);
256 
257 /*
258  * This must process the given extension. It can modify the TS_TST_INFO
259  * object of the context. Return values: !0 (processed), 0 (error, it must
260  * set the status info/failure info of the response).
261  */
262 typedef int (*TS_extension_cb) (struct TS_resp_ctx *, X509_EXTENSION *,
263                                 void *);
264 
265 typedef struct TS_resp_ctx TS_RESP_CTX;
266 
267 /* Creates a response context that can be used for generating responses. */
268 TS_RESP_CTX *TS_RESP_CTX_new(void);
269 TS_RESP_CTX *TS_RESP_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq);
270 void TS_RESP_CTX_free(TS_RESP_CTX *ctx);
271 
272 /* This parameter must be set. */
273 int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer);
274 
275 /* This parameter must be set. */
276 int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key);
277 
278 int TS_RESP_CTX_set_signer_digest(TS_RESP_CTX *ctx,
279                                   const EVP_MD *signer_digest);
280 int TS_RESP_CTX_set_ess_cert_id_digest(TS_RESP_CTX *ctx, const EVP_MD *md);
281 
282 /* This parameter must be set. */
283 int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *def_policy);
284 
285 /* No additional certs are included in the response by default. */
286 int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs);
287 
288 /*
289  * Adds a new acceptable policy, only the default policy is accepted by
290  * default.
291  */
292 int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *policy);
293 
294 /*
295  * Adds a new acceptable message digest. Note that no message digests are
296  * accepted by default. The md argument is shared with the caller.
297  */
298 int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md);
299 
300 /* Accuracy is not included by default. */
301 int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
302                              int secs, int millis, int micros);
303 
304 /*
305  * Clock precision digits, i.e. the number of decimal digits: '0' means sec,
306  * '3' msec, '6' usec, and so on. Default is 0.
307  */
308 int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
309                                            unsigned clock_precision_digits);
310 /* At most we accept usec precision. */
311 # define TS_MAX_CLOCK_PRECISION_DIGITS   6
312 
313 /* Maximum status message length */
314 # define TS_MAX_STATUS_LENGTH   (1024 * 1024)
315 
316 /* No flags are set by default. */
317 void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags);
318 
319 /* Default callback always returns a constant. */
320 void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data);
321 
322 /* Default callback uses the gettimeofday() and gmtime() system calls. */
323 void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data);
324 
325 /*
326  * Default callback rejects all extensions. The extension callback is called
327  * when the TS_TST_INFO object is already set up and not signed yet.
328  */
329 /* FIXME: extension handling is not tested yet. */
330 void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
331                                   TS_extension_cb cb, void *data);
332 
333 /* The following methods can be used in the callbacks. */
334 int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
335                                 int status, const char *text);
336 
337 /* Sets the status info only if it is still TS_STATUS_GRANTED. */
338 int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
339                                      int status, const char *text);
340 
341 int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure);
342 
343 /* The get methods below can be used in the extension callback. */
344 TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx);
345 
346 TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx);
347 
348 /*
349  * Creates the signed TS_TST_INFO and puts it in TS_RESP.
350  * In case of errors it sets the status info properly.
351  * Returns NULL only in case of memory allocation/fatal error.
352  */
353 TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio);
354 
355 /*
356  * Declarations related to response verification,
357  * they are defined in ts/ts_resp_verify.c.
358  */
359 
360 int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
361                              X509_STORE *store, X509 **signer_out);
362 
363 /* Context structure for the generic verify method. */
364 
365 /* Verify the signer's certificate and the signature of the response. */
366 # define TS_VFY_SIGNATURE        (1u << 0)
367 /* Verify the version number of the response. */
368 # define TS_VFY_VERSION          (1u << 1)
369 /* Verify if the policy supplied by the user matches the policy of the TSA. */
370 # define TS_VFY_POLICY           (1u << 2)
371 /*
372  * Verify the message imprint provided by the user. This flag should not be
373  * specified with TS_VFY_DATA.
374  */
375 # define TS_VFY_IMPRINT          (1u << 3)
376 /*
377  * Verify the message imprint computed by the verify method from the user
378  * provided data and the MD algorithm of the response. This flag should not
379  * be specified with TS_VFY_IMPRINT.
380  */
381 # define TS_VFY_DATA             (1u << 4)
382 /* Verify the nonce value. */
383 # define TS_VFY_NONCE            (1u << 5)
384 /* Verify if the TSA name field matches the signer certificate. */
385 # define TS_VFY_SIGNER           (1u << 6)
386 /* Verify if the TSA name field equals to the user provided name. */
387 # define TS_VFY_TSA_NAME         (1u << 7)
388 
389 /* You can use the following convenience constants. */
390 # define TS_VFY_ALL_IMPRINT      (TS_VFY_SIGNATURE       \
391                                  | TS_VFY_VERSION       \
392                                  | TS_VFY_POLICY        \
393                                  | TS_VFY_IMPRINT       \
394                                  | TS_VFY_NONCE         \
395                                  | TS_VFY_SIGNER        \
396                                  | TS_VFY_TSA_NAME)
397 # define TS_VFY_ALL_DATA         (TS_VFY_SIGNATURE       \
398                                  | TS_VFY_VERSION       \
399                                  | TS_VFY_POLICY        \
400                                  | TS_VFY_DATA          \
401                                  | TS_VFY_NONCE         \
402                                  | TS_VFY_SIGNER        \
403                                  | TS_VFY_TSA_NAME)
404 
405 typedef struct TS_verify_ctx TS_VERIFY_CTX;
406 
407 int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response);
408 int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token);
409 
410 /*
411  * Declarations related to response verification context,
412  */
413 TS_VERIFY_CTX *TS_VERIFY_CTX_new(void);
414 void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx);
415 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx);
416 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx);
417 int TS_VERIFY_CTX_set_flags(TS_VERIFY_CTX *ctx, int f);
418 int TS_VERIFY_CTX_add_flags(TS_VERIFY_CTX *ctx, int f);
419 BIO *TS_VERIFY_CTX_set_data(TS_VERIFY_CTX *ctx, BIO *b);
420 unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
421                                          unsigned char *hexstr, long len);
422 X509_STORE *TS_VERIFY_CTX_set_store(TS_VERIFY_CTX *ctx, X509_STORE *s);
423 # ifndef OPENSSL_NO_DEPRECATED_3_0
424 #  define TS_VERIFY_CTS_set_certs(ctx, cert) TS_VERIFY_CTX_set_certs(ctx,cert)
425 # endif
426 STACK_OF(X509) *TS_VERIFY_CTX_set_certs(TS_VERIFY_CTX *ctx, STACK_OF(X509) *certs);
427 
428 /*-
429  * If ctx is NULL, it allocates and returns a new object, otherwise
430  * it returns ctx. It initialises all the members as follows:
431  * flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE)
432  * certs = NULL
433  * store = NULL
434  * policy = policy from the request or NULL if absent (in this case
435  *      TS_VFY_POLICY is cleared from flags as well)
436  * md_alg = MD algorithm from request
437  * imprint, imprint_len = imprint from request
438  * data = NULL
439  * nonce, nonce_len = nonce from the request or NULL if absent (in this case
440  *      TS_VFY_NONCE is cleared from flags as well)
441  * tsa_name = NULL
442  * Important: after calling this method TS_VFY_SIGNATURE should be added!
443  */
444 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx);
445 
446 /* Function declarations for TS_RESP defined in ts/ts_resp_print.c */
447 
448 int TS_RESP_print_bio(BIO *bio, TS_RESP *a);
449 int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a);
450 int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a);
451 
452 /* Common utility functions defined in ts/ts_lib.c */
453 
454 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num);
455 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj);
456 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions);
457 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg);
458 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *msg);
459 
460 /*
461  * Function declarations for handling configuration options, defined in
462  * ts/ts_conf.c
463  */
464 
465 X509 *TS_CONF_load_cert(const char *file);
466 STACK_OF(X509) *TS_CONF_load_certs(const char *file);
467 EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass);
468 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section);
469 int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
470                        TS_RESP_CTX *ctx);
471 #ifndef OPENSSL_NO_ENGINE
472 int TS_CONF_set_crypto_device(CONF *conf, const char *section,
473                               const char *device);
474 int TS_CONF_set_default_engine(const char *name);
475 #endif
476 int TS_CONF_set_signer_cert(CONF *conf, const char *section,
477                             const char *cert, TS_RESP_CTX *ctx);
478 int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
479                       TS_RESP_CTX *ctx);
480 int TS_CONF_set_signer_key(CONF *conf, const char *section,
481                            const char *key, const char *pass,
482                            TS_RESP_CTX *ctx);
483 int TS_CONF_set_signer_digest(CONF *conf, const char *section,
484                                const char *md, TS_RESP_CTX *ctx);
485 int TS_CONF_set_def_policy(CONF *conf, const char *section,
486                            const char *policy, TS_RESP_CTX *ctx);
487 int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx);
488 int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx);
489 int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx);
490 int TS_CONF_set_clock_precision_digits(const CONF *conf, const char *section,
491                                        TS_RESP_CTX *ctx);
492 int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx);
493 int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx);
494 int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
495                                   TS_RESP_CTX *ctx);
496 int TS_CONF_set_ess_cert_id_digest(CONF *conf, const char *section,
497                                       TS_RESP_CTX *ctx);
498 
499 #  ifdef  __cplusplus
500 }
501 #  endif
502 # endif
503 #endif
504