xref: /openssl/include/openssl/ts.h (revision eab9dbbd)
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 # include <openssl/x509.h>
34 # include <openssl/x509v3.h>
35 # ifndef OPENSSL_NO_STDIO
36 #  include <stdio.h>
37 # endif
38 # ifdef  __cplusplus
39 extern "C" {
40 # endif
41 
42 typedef struct TS_msg_imprint_st TS_MSG_IMPRINT;
43 typedef struct TS_req_st TS_REQ;
44 typedef struct TS_accuracy_st TS_ACCURACY;
45 typedef struct TS_tst_info_st TS_TST_INFO;
46 
47 /* Possible values for status. */
48 # define TS_STATUS_GRANTED                       0
49 # define TS_STATUS_GRANTED_WITH_MODS             1
50 # define TS_STATUS_REJECTION                     2
51 # define TS_STATUS_WAITING                       3
52 # define TS_STATUS_REVOCATION_WARNING            4
53 # define TS_STATUS_REVOCATION_NOTIFICATION       5
54 
55 /* Possible values for failure_info. */
56 # define TS_INFO_BAD_ALG                 0
57 # define TS_INFO_BAD_REQUEST             2
58 # define TS_INFO_BAD_DATA_FORMAT         5
59 # define TS_INFO_TIME_NOT_AVAILABLE      14
60 # define TS_INFO_UNACCEPTED_POLICY       15
61 # define TS_INFO_UNACCEPTED_EXTENSION    16
62 # define TS_INFO_ADD_INFO_NOT_AVAILABLE  17
63 # define TS_INFO_SYSTEM_FAILURE          25
64 
65 
66 typedef struct TS_status_info_st TS_STATUS_INFO;
67 
68 typedef struct TS_resp_st TS_RESP;
69 
70 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_REQ)
71 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_REQ, TS_REQ)
72 DECLARE_ASN1_DUP_FUNCTION(TS_REQ)
73 
74 #ifndef OPENSSL_NO_STDIO
75 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a);
76 int i2d_TS_REQ_fp(FILE *fp, const TS_REQ *a);
77 #endif
78 TS_REQ *d2i_TS_REQ_bio(BIO *fp, TS_REQ **a);
79 int i2d_TS_REQ_bio(BIO *fp, const TS_REQ *a);
80 
81 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_MSG_IMPRINT)
82 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_MSG_IMPRINT, TS_MSG_IMPRINT)
83 DECLARE_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
84 
85 #ifndef OPENSSL_NO_STDIO
86 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a);
87 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, const TS_MSG_IMPRINT *a);
88 #endif
89 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bio, TS_MSG_IMPRINT **a);
90 int i2d_TS_MSG_IMPRINT_bio(BIO *bio, const TS_MSG_IMPRINT *a);
91 
92 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_RESP)
93 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_RESP, TS_RESP)
94 DECLARE_ASN1_DUP_FUNCTION(TS_RESP)
95 
96 #ifndef OPENSSL_NO_STDIO
97 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a);
98 int i2d_TS_RESP_fp(FILE *fp, const TS_RESP *a);
99 #endif
100 TS_RESP *d2i_TS_RESP_bio(BIO *bio, TS_RESP **a);
101 int i2d_TS_RESP_bio(BIO *bio, const TS_RESP *a);
102 
103 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_STATUS_INFO)
104 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_STATUS_INFO, TS_STATUS_INFO)
105 DECLARE_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
106 
107 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_TST_INFO)
108 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_TST_INFO, TS_TST_INFO)
109 DECLARE_ASN1_DUP_FUNCTION(TS_TST_INFO)
110 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token);
111 
112 #ifndef OPENSSL_NO_STDIO
113 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a);
114 int i2d_TS_TST_INFO_fp(FILE *fp, const TS_TST_INFO *a);
115 #endif
116 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bio, TS_TST_INFO **a);
117 int i2d_TS_TST_INFO_bio(BIO *bio, const TS_TST_INFO *a);
118 
119 DECLARE_ASN1_ALLOC_FUNCTIONS(TS_ACCURACY)
120 DECLARE_ASN1_ENCODE_FUNCTIONS_only(TS_ACCURACY, TS_ACCURACY)
121 DECLARE_ASN1_DUP_FUNCTION(TS_ACCURACY)
122 
123 int TS_REQ_set_version(TS_REQ *a, long version);
124 long TS_REQ_get_version(const TS_REQ *a);
125 
126 int TS_STATUS_INFO_set_status(TS_STATUS_INFO *a, int i);
127 const ASN1_INTEGER *TS_STATUS_INFO_get0_status(const TS_STATUS_INFO *a);
128 
129 const STACK_OF(ASN1_UTF8STRING) *
130 TS_STATUS_INFO_get0_text(const TS_STATUS_INFO *a);
131 
132 const ASN1_BIT_STRING *
133 TS_STATUS_INFO_get0_failure_info(const TS_STATUS_INFO *a);
134 
135 int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint);
136 TS_MSG_IMPRINT *TS_REQ_get_msg_imprint(TS_REQ *a);
137 
138 int TS_MSG_IMPRINT_set_algo(TS_MSG_IMPRINT *a, X509_ALGOR *alg);
139 X509_ALGOR *TS_MSG_IMPRINT_get_algo(TS_MSG_IMPRINT *a);
140 
141 int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len);
142 ASN1_OCTET_STRING *TS_MSG_IMPRINT_get_msg(TS_MSG_IMPRINT *a);
143 
144 int TS_REQ_set_policy_id(TS_REQ *a, const ASN1_OBJECT *policy);
145 ASN1_OBJECT *TS_REQ_get_policy_id(TS_REQ *a);
146 
147 int TS_REQ_set_nonce(TS_REQ *a, const ASN1_INTEGER *nonce);
148 const ASN1_INTEGER *TS_REQ_get_nonce(const TS_REQ *a);
149 
150 int TS_REQ_set_cert_req(TS_REQ *a, int cert_req);
151 int TS_REQ_get_cert_req(const TS_REQ *a);
152 
153 STACK_OF(X509_EXTENSION) *TS_REQ_get_exts(TS_REQ *a);
154 void TS_REQ_ext_free(TS_REQ *a);
155 int TS_REQ_get_ext_count(TS_REQ *a);
156 int TS_REQ_get_ext_by_NID(TS_REQ *a, int nid, int lastpos);
157 int TS_REQ_get_ext_by_OBJ(TS_REQ *a, const ASN1_OBJECT *obj, int lastpos);
158 int TS_REQ_get_ext_by_critical(TS_REQ *a, int crit, int lastpos);
159 X509_EXTENSION *TS_REQ_get_ext(TS_REQ *a, int loc);
160 X509_EXTENSION *TS_REQ_delete_ext(TS_REQ *a, int loc);
161 int TS_REQ_add_ext(TS_REQ *a, X509_EXTENSION *ex, int loc);
162 void *TS_REQ_get_ext_d2i(TS_REQ *a, int nid, int *crit, int *idx);
163 
164 /* Function declarations for TS_REQ defined in ts/ts_req_print.c */
165 
166 int TS_REQ_print_bio(BIO *bio, TS_REQ *a);
167 
168 /* Function declarations for TS_RESP defined in ts/ts_resp_utils.c */
169 
170 int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *info);
171 TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a);
172 
173 /* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
174 void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info);
175 PKCS7 *TS_RESP_get_token(TS_RESP *a);
176 TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a);
177 
178 int TS_TST_INFO_set_version(TS_TST_INFO *a, long version);
179 long TS_TST_INFO_get_version(const TS_TST_INFO *a);
180 
181 int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy_id);
182 ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a);
183 
184 int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint);
185 TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a);
186 
187 int TS_TST_INFO_set_serial(TS_TST_INFO *a, const ASN1_INTEGER *serial);
188 const ASN1_INTEGER *TS_TST_INFO_get_serial(const TS_TST_INFO *a);
189 
190 int TS_TST_INFO_set_time(TS_TST_INFO *a, const ASN1_GENERALIZEDTIME *gtime);
191 const ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(const TS_TST_INFO *a);
192 
193 int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy);
194 TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a);
195 
196 int TS_ACCURACY_set_seconds(TS_ACCURACY *a, const ASN1_INTEGER *seconds);
197 const ASN1_INTEGER *TS_ACCURACY_get_seconds(const TS_ACCURACY *a);
198 
199 int TS_ACCURACY_set_millis(TS_ACCURACY *a, const ASN1_INTEGER *millis);
200 const ASN1_INTEGER *TS_ACCURACY_get_millis(const TS_ACCURACY *a);
201 
202 int TS_ACCURACY_set_micros(TS_ACCURACY *a, const ASN1_INTEGER *micros);
203 const ASN1_INTEGER *TS_ACCURACY_get_micros(const TS_ACCURACY *a);
204 
205 int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering);
206 int TS_TST_INFO_get_ordering(const TS_TST_INFO *a);
207 
208 int TS_TST_INFO_set_nonce(TS_TST_INFO *a, const ASN1_INTEGER *nonce);
209 const ASN1_INTEGER *TS_TST_INFO_get_nonce(const TS_TST_INFO *a);
210 
211 int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa);
212 GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a);
213 
214 STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a);
215 void TS_TST_INFO_ext_free(TS_TST_INFO *a);
216 int TS_TST_INFO_get_ext_count(TS_TST_INFO *a);
217 int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos);
218 int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, const ASN1_OBJECT *obj,
219                                int lastpos);
220 int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos);
221 X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc);
222 X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc);
223 int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc);
224 void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx);
225 
226 /*
227  * Declarations related to response generation, defined in ts/ts_resp_sign.c.
228  */
229 
230 /* Optional flags for response generation. */
231 
232 /* Don't include the TSA name in response. */
233 # define TS_TSA_NAME             0x01
234 
235 /* Set ordering to true in response. */
236 # define TS_ORDERING             0x02
237 
238 /*
239  * Include the signer certificate and the other specified certificates in
240  * the ESS signing certificate attribute beside the PKCS7 signed data.
241  * Only the signer certificates is included by default.
242  */
243 # define TS_ESS_CERT_ID_CHAIN    0x04
244 
245 /* Forward declaration. */
246 struct TS_resp_ctx;
247 
248 /* This must return a unique number less than 160 bits long. */
249 typedef ASN1_INTEGER *(*TS_serial_cb) (struct TS_resp_ctx *, void *);
250 
251 /*
252  * This must return the seconds and microseconds since Jan 1, 1970 in the sec
253  * and usec variables allocated by the caller. Return non-zero for success
254  * and zero for failure.
255  */
256 typedef int (*TS_time_cb) (struct TS_resp_ctx *, void *, long *sec,
257                            long *usec);
258 
259 /*
260  * This must process the given extension. It can modify the TS_TST_INFO
261  * object of the context. Return values: !0 (processed), 0 (error, it must
262  * set the status info/failure info of the response).
263  */
264 typedef int (*TS_extension_cb) (struct TS_resp_ctx *, X509_EXTENSION *,
265                                 void *);
266 
267 typedef struct TS_resp_ctx TS_RESP_CTX;
268 
269 /* Creates a response context that can be used for generating responses. */
270 TS_RESP_CTX *TS_RESP_CTX_new(void);
271 TS_RESP_CTX *TS_RESP_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq);
272 void TS_RESP_CTX_free(TS_RESP_CTX *ctx);
273 
274 /* This parameter must be set. */
275 int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer);
276 
277 /* This parameter must be set. */
278 int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key);
279 
280 int TS_RESP_CTX_set_signer_digest(TS_RESP_CTX *ctx,
281                                   const EVP_MD *signer_digest);
282 int TS_RESP_CTX_set_ess_cert_id_digest(TS_RESP_CTX *ctx, const EVP_MD *md);
283 
284 /* This parameter must be set. */
285 int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *def_policy);
286 
287 /* No additional certs are included in the response by default. */
288 int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs);
289 
290 /*
291  * Adds a new acceptable policy, only the default policy is accepted by
292  * default.
293  */
294 int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *policy);
295 
296 /*
297  * Adds a new acceptable message digest. Note that no message digests are
298  * accepted by default. The md argument is shared with the caller.
299  */
300 int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md);
301 
302 /* Accuracy is not included by default. */
303 int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
304                              int secs, int millis, int micros);
305 
306 /*
307  * Clock precision digits, i.e. the number of decimal digits: '0' means sec,
308  * '3' msec, '6' usec, and so on. Default is 0.
309  */
310 int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
311                                            unsigned clock_precision_digits);
312 /* At most we accept usec precision. */
313 # define TS_MAX_CLOCK_PRECISION_DIGITS   6
314 
315 /* Maximum status message length */
316 # define TS_MAX_STATUS_LENGTH   (1024 * 1024)
317 
318 /* No flags are set by default. */
319 void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags);
320 
321 /* Default callback always returns a constant. */
322 void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data);
323 
324 /* Default callback uses the gettimeofday() and gmtime() system calls. */
325 void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data);
326 
327 /*
328  * Default callback rejects all extensions. The extension callback is called
329  * when the TS_TST_INFO object is already set up and not signed yet.
330  */
331 /* FIXME: extension handling is not tested yet. */
332 void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
333                                   TS_extension_cb cb, void *data);
334 
335 /* The following methods can be used in the callbacks. */
336 int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
337                                 int status, const char *text);
338 
339 /* Sets the status info only if it is still TS_STATUS_GRANTED. */
340 int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
341                                      int status, const char *text);
342 
343 int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure);
344 
345 /* The get methods below can be used in the extension callback. */
346 TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx);
347 
348 TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx);
349 
350 /*
351  * Creates the signed TS_TST_INFO and puts it in TS_RESP.
352  * In case of errors it sets the status info properly.
353  * Returns NULL only in case of memory allocation/fatal error.
354  */
355 TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio);
356 
357 /*
358  * Declarations related to response verification,
359  * they are defined in ts/ts_resp_verify.c.
360  */
361 
362 int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
363                              X509_STORE *store, X509 **signer_out);
364 
365 /* Context structure for the generic verify method. */
366 
367 /* Verify the signer's certificate and the signature of the response. */
368 # define TS_VFY_SIGNATURE        (1u << 0)
369 /* Verify the version number of the response. */
370 # define TS_VFY_VERSION          (1u << 1)
371 /* Verify if the policy supplied by the user matches the policy of the TSA. */
372 # define TS_VFY_POLICY           (1u << 2)
373 /*
374  * Verify the message imprint provided by the user. This flag should not be
375  * specified with TS_VFY_DATA.
376  */
377 # define TS_VFY_IMPRINT          (1u << 3)
378 /*
379  * Verify the message imprint computed by the verify method from the user
380  * provided data and the MD algorithm of the response. This flag should not
381  * be specified with TS_VFY_IMPRINT.
382  */
383 # define TS_VFY_DATA             (1u << 4)
384 /* Verify the nonce value. */
385 # define TS_VFY_NONCE            (1u << 5)
386 /* Verify if the TSA name field matches the signer certificate. */
387 # define TS_VFY_SIGNER           (1u << 6)
388 /* Verify if the TSA name field equals to the user provided name. */
389 # define TS_VFY_TSA_NAME         (1u << 7)
390 
391 /* You can use the following convenience constants. */
392 # define TS_VFY_ALL_IMPRINT      (TS_VFY_SIGNATURE       \
393                                  | TS_VFY_VERSION       \
394                                  | TS_VFY_POLICY        \
395                                  | TS_VFY_IMPRINT       \
396                                  | TS_VFY_NONCE         \
397                                  | TS_VFY_SIGNER        \
398                                  | TS_VFY_TSA_NAME)
399 # define TS_VFY_ALL_DATA         (TS_VFY_SIGNATURE       \
400                                  | TS_VFY_VERSION       \
401                                  | TS_VFY_POLICY        \
402                                  | TS_VFY_DATA          \
403                                  | TS_VFY_NONCE         \
404                                  | TS_VFY_SIGNER        \
405                                  | TS_VFY_TSA_NAME)
406 
407 typedef struct TS_verify_ctx TS_VERIFY_CTX;
408 
409 int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response);
410 int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token);
411 
412 /*
413  * Declarations related to response verification context,
414  */
415 TS_VERIFY_CTX *TS_VERIFY_CTX_new(void);
416 void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx);
417 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx);
418 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx);
419 int TS_VERIFY_CTX_set_flags(TS_VERIFY_CTX *ctx, int f);
420 int TS_VERIFY_CTX_add_flags(TS_VERIFY_CTX *ctx, int f);
421 BIO *TS_VERIFY_CTX_set_data(TS_VERIFY_CTX *ctx, BIO *b);
422 unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
423                                          unsigned char *hexstr, long len);
424 X509_STORE *TS_VERIFY_CTX_set_store(TS_VERIFY_CTX *ctx, X509_STORE *s);
425 # ifndef OPENSSL_NO_DEPRECATED_3_0
426 #  define TS_VERIFY_CTS_set_certs(ctx, cert) TS_VERIFY_CTX_set_certs(ctx,cert)
427 # endif
428 STACK_OF(X509) *TS_VERIFY_CTX_set_certs(TS_VERIFY_CTX *ctx, STACK_OF(X509) *certs);
429 
430 /*-
431  * If ctx is NULL, it allocates and returns a new object, otherwise
432  * it returns ctx. It initialises all the members as follows:
433  * flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE)
434  * certs = NULL
435  * store = NULL
436  * policy = policy from the request or NULL if absent (in this case
437  *      TS_VFY_POLICY is cleared from flags as well)
438  * md_alg = MD algorithm from request
439  * imprint, imprint_len = imprint from request
440  * data = NULL
441  * nonce, nonce_len = nonce from the request or NULL if absent (in this case
442  *      TS_VFY_NONCE is cleared from flags as well)
443  * tsa_name = NULL
444  * Important: after calling this method TS_VFY_SIGNATURE should be added!
445  */
446 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx);
447 
448 /* Function declarations for TS_RESP defined in ts/ts_resp_print.c */
449 
450 int TS_RESP_print_bio(BIO *bio, TS_RESP *a);
451 int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a);
452 int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a);
453 
454 /* Common utility functions defined in ts/ts_lib.c */
455 
456 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num);
457 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj);
458 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions);
459 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg);
460 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *msg);
461 
462 /*
463  * Function declarations for handling configuration options, defined in
464  * ts/ts_conf.c
465  */
466 
467 X509 *TS_CONF_load_cert(const char *file);
468 STACK_OF(X509) *TS_CONF_load_certs(const char *file);
469 EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass);
470 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section);
471 int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
472                        TS_RESP_CTX *ctx);
473 #ifndef OPENSSL_NO_ENGINE
474 int TS_CONF_set_crypto_device(CONF *conf, const char *section,
475                               const char *device);
476 int TS_CONF_set_default_engine(const char *name);
477 #endif
478 int TS_CONF_set_signer_cert(CONF *conf, const char *section,
479                             const char *cert, TS_RESP_CTX *ctx);
480 int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
481                       TS_RESP_CTX *ctx);
482 int TS_CONF_set_signer_key(CONF *conf, const char *section,
483                            const char *key, const char *pass,
484                            TS_RESP_CTX *ctx);
485 int TS_CONF_set_signer_digest(CONF *conf, const char *section,
486                                const char *md, TS_RESP_CTX *ctx);
487 int TS_CONF_set_def_policy(CONF *conf, const char *section,
488                            const char *policy, TS_RESP_CTX *ctx);
489 int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx);
490 int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx);
491 int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx);
492 int TS_CONF_set_clock_precision_digits(const CONF *conf, const char *section,
493                                        TS_RESP_CTX *ctx);
494 int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx);
495 int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx);
496 int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
497                                   TS_RESP_CTX *ctx);
498 int TS_CONF_set_ess_cert_id_digest(CONF *conf, const char *section,
499                                       TS_RESP_CTX *ctx);
500 
501 #  ifdef  __cplusplus
502 }
503 #  endif
504 # endif
505 #endif
506