ts.h revision 1.20
1/* $OpenBSD: ts.h,v 1.20 2023/04/16 08:31:54 tb Exp $ */
2/* Written by Zoltan Glozik (zglozik@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@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@cryptsoft.com).  This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#ifndef HEADER_TS_H
60#define HEADER_TS_H
61
62#include <openssl/opensslconf.h>
63
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
90extern "C" {
91#endif
92
93#include <openssl/x509.h>
94#include <openssl/x509v3.h>
95
96typedef struct TS_msg_imprint_st TS_MSG_IMPRINT;
97typedef struct TS_req_st TS_REQ;
98typedef struct TS_accuracy_st TS_ACCURACY;
99typedef struct TS_tst_info_st TS_TST_INFO;
100
101/* Possible values for status. */
102#define	TS_STATUS_GRANTED			0
103#define	TS_STATUS_GRANTED_WITH_MODS		1
104#define	TS_STATUS_REJECTION			2
105#define	TS_STATUS_WAITING			3
106#define	TS_STATUS_REVOCATION_WARNING		4
107#define	TS_STATUS_REVOCATION_NOTIFICATION	5
108
109/* Possible values for failure_info. */
110#define	TS_INFO_BAD_ALG			0
111#define	TS_INFO_BAD_REQUEST		2
112#define	TS_INFO_BAD_DATA_FORMAT		5
113#define	TS_INFO_TIME_NOT_AVAILABLE	14
114#define	TS_INFO_UNACCEPTED_POLICY	15
115#define	TS_INFO_UNACCEPTED_EXTENSION	16
116#define	TS_INFO_ADD_INFO_NOT_AVAILABLE	17
117#define	TS_INFO_SYSTEM_FAILURE		25
118
119typedef struct TS_status_info_st TS_STATUS_INFO;
120
121DECLARE_STACK_OF(ASN1_UTF8STRING)
122
123typedef struct ESS_issuer_serial ESS_ISSUER_SERIAL;
124typedef struct ESS_cert_id ESS_CERT_ID;
125DECLARE_STACK_OF(ESS_CERT_ID)
126typedef struct ESS_signing_cert ESS_SIGNING_CERT;
127
128typedef struct ESS_cert_id_v2 ESS_CERT_ID_V2;
129DECLARE_STACK_OF(ESS_CERT_ID_V2)
130
131typedef struct ESS_signing_cert_v2 ESS_SIGNING_CERT_V2;
132
133typedef struct TS_resp_st TS_RESP;
134
135TS_REQ	*TS_REQ_new(void);
136void	TS_REQ_free(TS_REQ *a);
137int	i2d_TS_REQ(const TS_REQ *a, unsigned char **pp);
138TS_REQ	*d2i_TS_REQ(TS_REQ **a, const unsigned char **pp, long length);
139
140TS_REQ	*TS_REQ_dup(TS_REQ *a);
141
142TS_REQ	*d2i_TS_REQ_fp(FILE *fp, TS_REQ **a);
143int	i2d_TS_REQ_fp(FILE *fp, TS_REQ *a);
144TS_REQ	*d2i_TS_REQ_bio(BIO *fp, TS_REQ **a);
145int	i2d_TS_REQ_bio(BIO *fp, TS_REQ *a);
146
147TS_MSG_IMPRINT	*TS_MSG_IMPRINT_new(void);
148void		TS_MSG_IMPRINT_free(TS_MSG_IMPRINT *a);
149int		i2d_TS_MSG_IMPRINT(const TS_MSG_IMPRINT *a, unsigned char **pp);
150TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT(TS_MSG_IMPRINT **a,
151		    const unsigned char **pp, long length);
152
153TS_MSG_IMPRINT	*TS_MSG_IMPRINT_dup(TS_MSG_IMPRINT *a);
154
155TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a);
156int		i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a);
157TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT **a);
158int		i2d_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT *a);
159
160TS_RESP	*TS_RESP_new(void);
161void	TS_RESP_free(TS_RESP *a);
162int	i2d_TS_RESP(const TS_RESP *a, unsigned char **pp);
163TS_RESP	*d2i_TS_RESP(TS_RESP **a, const unsigned char **pp, long length);
164TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token);
165TS_RESP	*TS_RESP_dup(TS_RESP *a);
166
167TS_RESP	*d2i_TS_RESP_fp(FILE *fp, TS_RESP **a);
168int	i2d_TS_RESP_fp(FILE *fp, TS_RESP *a);
169TS_RESP	*d2i_TS_RESP_bio(BIO *fp, TS_RESP **a);
170int	i2d_TS_RESP_bio(BIO *fp, TS_RESP *a);
171
172TS_STATUS_INFO	*TS_STATUS_INFO_new(void);
173void		TS_STATUS_INFO_free(TS_STATUS_INFO *a);
174int		i2d_TS_STATUS_INFO(const TS_STATUS_INFO *a, unsigned char **pp);
175TS_STATUS_INFO	*d2i_TS_STATUS_INFO(TS_STATUS_INFO **a,
176		    const unsigned char **pp, long length);
177TS_STATUS_INFO	*TS_STATUS_INFO_dup(TS_STATUS_INFO *a);
178
179TS_TST_INFO	*TS_TST_INFO_new(void);
180void		TS_TST_INFO_free(TS_TST_INFO *a);
181int		i2d_TS_TST_INFO(const TS_TST_INFO *a, unsigned char **pp);
182TS_TST_INFO	*d2i_TS_TST_INFO(TS_TST_INFO **a, const unsigned char **pp,
183		    long length);
184TS_TST_INFO	*TS_TST_INFO_dup(TS_TST_INFO *a);
185
186TS_TST_INFO	*d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a);
187int		i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a);
188TS_TST_INFO	*d2i_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO **a);
189int		i2d_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO *a);
190
191TS_ACCURACY	*TS_ACCURACY_new(void);
192void		TS_ACCURACY_free(TS_ACCURACY *a);
193int		i2d_TS_ACCURACY(const TS_ACCURACY *a, unsigned char **pp);
194TS_ACCURACY	*d2i_TS_ACCURACY(TS_ACCURACY **a, const unsigned char **pp,
195		    long length);
196TS_ACCURACY	*TS_ACCURACY_dup(TS_ACCURACY *a);
197
198ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_new(void);
199void		  ESS_ISSUER_SERIAL_free(ESS_ISSUER_SERIAL *a);
200int		  i2d_ESS_ISSUER_SERIAL(const ESS_ISSUER_SERIAL *a,
201		    unsigned char **pp);
202ESS_ISSUER_SERIAL *d2i_ESS_ISSUER_SERIAL(ESS_ISSUER_SERIAL **a,
203		    const unsigned char **pp, long length);
204ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_dup(ESS_ISSUER_SERIAL *a);
205
206ESS_CERT_ID	*ESS_CERT_ID_new(void);
207void		ESS_CERT_ID_free(ESS_CERT_ID *a);
208int		i2d_ESS_CERT_ID(const ESS_CERT_ID *a, unsigned char **pp);
209ESS_CERT_ID	*d2i_ESS_CERT_ID(ESS_CERT_ID **a, const unsigned char **pp,
210		    long length);
211ESS_CERT_ID	*ESS_CERT_ID_dup(ESS_CERT_ID *a);
212
213ESS_SIGNING_CERT *ESS_SIGNING_CERT_new(void);
214void		 ESS_SIGNING_CERT_free(ESS_SIGNING_CERT *a);
215int		 i2d_ESS_SIGNING_CERT(const ESS_SIGNING_CERT *a,
216		    unsigned char **pp);
217ESS_SIGNING_CERT *d2i_ESS_SIGNING_CERT(ESS_SIGNING_CERT **a,
218		    const unsigned char **pp, long length);
219ESS_SIGNING_CERT *ESS_SIGNING_CERT_dup(ESS_SIGNING_CERT *a);
220
221int TS_REQ_set_version(TS_REQ *a, long version);
222long TS_REQ_get_version(const TS_REQ *a);
223
224int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint);
225TS_MSG_IMPRINT *TS_REQ_get_msg_imprint(TS_REQ *a);
226
227int TS_MSG_IMPRINT_set_algo(TS_MSG_IMPRINT *a, X509_ALGOR *alg);
228X509_ALGOR *TS_MSG_IMPRINT_get_algo(TS_MSG_IMPRINT *a);
229
230int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len);
231ASN1_OCTET_STRING *TS_MSG_IMPRINT_get_msg(TS_MSG_IMPRINT *a);
232
233int TS_REQ_set_policy_id(TS_REQ *a, const ASN1_OBJECT *policy);
234ASN1_OBJECT *TS_REQ_get_policy_id(TS_REQ *a);
235
236int TS_REQ_set_nonce(TS_REQ *a, const ASN1_INTEGER *nonce);
237const ASN1_INTEGER *TS_REQ_get_nonce(const TS_REQ *a);
238
239int TS_REQ_set_cert_req(TS_REQ *a, int cert_req);
240int TS_REQ_get_cert_req(const TS_REQ *a);
241
242STACK_OF(X509_EXTENSION) *TS_REQ_get_exts(TS_REQ *a);
243void TS_REQ_ext_free(TS_REQ *a);
244int TS_REQ_get_ext_count(TS_REQ *a);
245int TS_REQ_get_ext_by_NID(TS_REQ *a, int nid, int lastpos);
246int TS_REQ_get_ext_by_OBJ(TS_REQ *a, const ASN1_OBJECT *obj, int lastpos);
247int TS_REQ_get_ext_by_critical(TS_REQ *a, int crit, int lastpos);
248X509_EXTENSION *TS_REQ_get_ext(TS_REQ *a, int loc);
249X509_EXTENSION *TS_REQ_delete_ext(TS_REQ *a, int loc);
250int TS_REQ_add_ext(TS_REQ *a, X509_EXTENSION *ex, int loc);
251void *TS_REQ_get_ext_d2i(TS_REQ *a, int nid, int *crit, int *idx);
252
253/* Function declarations for TS_REQ defined in ts/ts_req_print.c */
254
255int TS_REQ_print_bio(BIO *bio, TS_REQ *a);
256
257/* Function declarations for TS_RESP defined in ts/ts_rsp_utils.c */
258
259int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *info);
260TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a);
261
262const ASN1_UTF8STRING *TS_STATUS_INFO_get0_failure_info(const TS_STATUS_INFO *si);
263const STACK_OF(ASN1_UTF8STRING) *
264    TS_STATUS_INFO_get0_text(const TS_STATUS_INFO *si);
265const ASN1_INTEGER *TS_STATUS_INFO_get0_status(const TS_STATUS_INFO *si);
266int TS_STATUS_INFO_set_status(TS_STATUS_INFO *si, int i);
267
268/* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
269void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info);
270PKCS7 *TS_RESP_get_token(TS_RESP *a);
271TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a);
272
273int TS_TST_INFO_set_version(TS_TST_INFO *a, long version);
274long TS_TST_INFO_get_version(const TS_TST_INFO *a);
275
276int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy_id);
277ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a);
278
279int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint);
280TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a);
281
282int TS_TST_INFO_set_serial(TS_TST_INFO *a, const ASN1_INTEGER *serial);
283const ASN1_INTEGER *TS_TST_INFO_get_serial(const TS_TST_INFO *a);
284
285int TS_TST_INFO_set_time(TS_TST_INFO *a, const ASN1_GENERALIZEDTIME *gtime);
286const ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(const TS_TST_INFO *a);
287
288int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy);
289TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a);
290
291int TS_ACCURACY_set_seconds(TS_ACCURACY *a, const ASN1_INTEGER *seconds);
292const ASN1_INTEGER *TS_ACCURACY_get_seconds(const TS_ACCURACY *a);
293
294int TS_ACCURACY_set_millis(TS_ACCURACY *a, const ASN1_INTEGER *millis);
295const ASN1_INTEGER *TS_ACCURACY_get_millis(const TS_ACCURACY *a);
296
297int TS_ACCURACY_set_micros(TS_ACCURACY *a, const ASN1_INTEGER *micros);
298const ASN1_INTEGER *TS_ACCURACY_get_micros(const TS_ACCURACY *a);
299
300int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering);
301int TS_TST_INFO_get_ordering(const TS_TST_INFO *a);
302
303int TS_TST_INFO_set_nonce(TS_TST_INFO *a, const ASN1_INTEGER *nonce);
304const ASN1_INTEGER *TS_TST_INFO_get_nonce(const TS_TST_INFO *a);
305
306int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa);
307GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a);
308
309STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a);
310void TS_TST_INFO_ext_free(TS_TST_INFO *a);
311int TS_TST_INFO_get_ext_count(TS_TST_INFO *a);
312int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos);
313int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, const ASN1_OBJECT *obj,
314    int lastpos);
315int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos);
316X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc);
317X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc);
318int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc);
319void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx);
320
321/* Declarations related to response generation, defined in ts/ts_rsp_sign.c. */
322
323/* Optional flags for response generation. */
324
325/* Don't include the TSA name in response. */
326#define	TS_TSA_NAME		0x01
327
328/* Set ordering to true in response. */
329#define	TS_ORDERING		0x02
330
331/*
332 * Include the signer certificate and the other specified certificates in
333 * the ESS signing certificate attribute beside the PKCS7 signed data.
334 * Only the signer certificates is included by default.
335 */
336#define	TS_ESS_CERT_ID_CHAIN	0x04
337
338/* Forward declaration. */
339struct TS_resp_ctx;
340
341/* This must return a unique number less than 160 bits long. */
342typedef ASN1_INTEGER *(*TS_serial_cb)(struct TS_resp_ctx *, void *);
343
344/* This must return the seconds and microseconds since Jan 1, 1970 in
345   the sec and usec variables allocated by the caller.
346   Return non-zero for success and zero for failure. */
347typedef	int (*TS_time_cb)(struct TS_resp_ctx *, void *, time_t *sec, long *usec);
348
349/* This must process the given extension.
350 * It can modify the TS_TST_INFO object of the context.
351 * Return values: !0 (processed), 0 (error, it must set the
352 * status info/failure info of the response).
353 */
354typedef	int (*TS_extension_cb)(struct TS_resp_ctx *, X509_EXTENSION *, void *);
355
356typedef struct TS_resp_ctx TS_RESP_CTX;
357
358DECLARE_STACK_OF(EVP_MD)
359
360/* Creates a response context that can be used for generating responses. */
361TS_RESP_CTX *TS_RESP_CTX_new(void);
362void TS_RESP_CTX_free(TS_RESP_CTX *ctx);
363
364/* This parameter must be set. */
365int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer);
366
367/* This parameter must be set. */
368int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key);
369
370/* This parameter must be set. */
371int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *def_policy);
372
373/* No additional certs are included in the response by default. */
374int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs);
375
376/* Adds a new acceptable policy, only the default policy
377   is accepted by default. */
378int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *policy);
379
380/* Adds a new acceptable message digest. Note that no message digests
381   are accepted by default. The md argument is shared with the caller. */
382int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md);
383
384/* Accuracy is not included by default. */
385int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
386    int secs, int millis, int micros);
387
388/* Clock precision digits, i.e. the number of decimal digits:
389   '0' means sec, '3' msec, '6' usec, and so on. Default is 0. */
390int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
391    unsigned clock_precision_digits);
392/* At most we accept usec precision. */
393#define TS_MAX_CLOCK_PRECISION_DIGITS	6
394
395/* No flags are set by default. */
396void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags);
397
398/* Default callback always returns a constant. */
399void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data);
400
401/* Default callback uses gettimeofday() and gmtime(). */
402void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data);
403
404/* Default callback rejects all extensions. The extension callback is called
405 * when the TS_TST_INFO object is already set up and not signed yet. */
406/* FIXME: extension handling is not tested yet. */
407void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
408    TS_extension_cb cb, void *data);
409
410/* The following methods can be used in the callbacks. */
411int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
412    int status, const char *text);
413
414/* Sets the status info only if it is still TS_STATUS_GRANTED. */
415int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
416    int status, const char *text);
417
418int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure);
419
420/* The get methods below can be used in the extension callback. */
421TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx);
422
423TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx);
424
425/*
426 * Creates the signed TS_TST_INFO and puts it in TS_RESP.
427 * In case of errors it sets the status info properly.
428 * Returns NULL only in case of memory allocation/fatal error.
429 */
430TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio);
431
432/*
433 * Declarations related to response verification,
434 * they are defined in ts/ts_rsp_verify.c.
435 */
436
437int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
438    X509_STORE *store, X509 **signer_out);
439
440/* Context structure for the generic verify method. */
441
442/* Verify the signer's certificate and the signature of the response. */
443#define	TS_VFY_SIGNATURE	(1u << 0)
444/* Verify the version number of the response. */
445#define	TS_VFY_VERSION		(1u << 1)
446/* Verify if the policy supplied by the user matches the policy of the TSA. */
447#define	TS_VFY_POLICY		(1u << 2)
448/* Verify the message imprint provided by the user. This flag should not be
449   specified with TS_VFY_DATA. */
450#define	TS_VFY_IMPRINT		(1u << 3)
451/* Verify the message imprint computed by the verify method from the user
452   provided data and the MD algorithm of the response. This flag should not be
453   specified with TS_VFY_IMPRINT. */
454#define	TS_VFY_DATA		(1u << 4)
455/* Verify the nonce value. */
456#define	TS_VFY_NONCE		(1u << 5)
457/* Verify if the TSA name field matches the signer certificate. */
458#define	TS_VFY_SIGNER		(1u << 6)
459/* Verify if the TSA name field equals to the user provided name. */
460#define	TS_VFY_TSA_NAME		(1u << 7)
461
462/* You can use the following convenience constants. */
463#define	TS_VFY_ALL_IMPRINT	(TS_VFY_SIGNATURE	\
464				 | TS_VFY_VERSION	\
465				 | TS_VFY_POLICY	\
466				 | TS_VFY_IMPRINT	\
467				 | TS_VFY_NONCE		\
468				 | TS_VFY_SIGNER	\
469				 | TS_VFY_TSA_NAME)
470#define	TS_VFY_ALL_DATA		(TS_VFY_SIGNATURE	\
471				 | TS_VFY_VERSION	\
472				 | TS_VFY_POLICY	\
473				 | TS_VFY_DATA		\
474				 | TS_VFY_NONCE		\
475				 | TS_VFY_SIGNER	\
476				 | TS_VFY_TSA_NAME)
477
478typedef struct TS_verify_ctx TS_VERIFY_CTX;
479
480int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response);
481int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token);
482
483/*
484 * Declarations related to response verification context,
485 * they are defined in ts/ts_verify_ctx.c.
486 */
487
488/* Set all fields to zero. */
489TS_VERIFY_CTX *TS_VERIFY_CTX_new(void);
490#if !defined(LIBRESSL_NEXT_API) || defined(LIBRESSL_INTERNAL)
491void TS_VERIFY_CTX_init(TS_VERIFY_CTX *ctx);
492#endif
493void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx);
494void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx);
495
496int TS_VERIFY_CTX_add_flags(TS_VERIFY_CTX *ctx, int flags);
497int TS_VERIFY_CTX_set_flags(TS_VERIFY_CTX *ctx, int flags);
498BIO *TS_VERIFY_CTX_set_data(TS_VERIFY_CTX *ctx, BIO *bio);
499X509_STORE *TS_VERIFY_CTX_set_store(TS_VERIFY_CTX *ctx, X509_STORE *store);
500/* R$ special */
501#define TS_VERIFY_CTS_set_certs TS_VERIFY_CTX_set_certs
502STACK_OF(X509) *TS_VERIFY_CTX_set_certs(TS_VERIFY_CTX *ctx,
503    STACK_OF(X509) *certs);
504unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
505    unsigned char *imprint, long imprint_len);
506
507/*
508 * If ctx is NULL, it allocates and returns a new object, otherwise
509 * it returns ctx. It initialises all the members as follows:
510 * flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE)
511 * certs = NULL
512 * store = NULL
513 * policy = policy from the request or NULL if absent (in this case
514 *	TS_VFY_POLICY is cleared from flags as well)
515 * md_alg = MD algorithm from request
516 * imprint, imprint_len = imprint from request
517 * data = NULL
518 * nonce, nonce_len = nonce from the request or NULL if absent (in this case
519 *	TS_VFY_NONCE is cleared from flags as well)
520 * tsa_name = NULL
521 * Important: after calling this method TS_VFY_SIGNATURE should be added!
522 */
523TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx);
524
525/* Function declarations for TS_RESP defined in ts/ts_rsp_print.c */
526
527int TS_RESP_print_bio(BIO *bio, TS_RESP *a);
528int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a);
529int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a);
530
531/* Common utility functions defined in ts/ts_lib.c */
532
533int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num);
534int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj);
535int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions);
536int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg);
537int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *msg);
538
539/* Function declarations for handling configuration options,
540   defined in ts/ts_conf.c */
541
542X509 *TS_CONF_load_cert(const char *file);
543STACK_OF(X509) *TS_CONF_load_certs(const char *file);
544EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass);
545const char *TS_CONF_get_tsa_section(CONF *conf, const char *section);
546int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
547    TS_RESP_CTX *ctx);
548int TS_CONF_set_crypto_device(CONF *conf, const char *section,
549    const char *device);
550int TS_CONF_set_default_engine(const char *name);
551int TS_CONF_set_signer_cert(CONF *conf, const char *section,
552    const char *cert, TS_RESP_CTX *ctx);
553int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
554    TS_RESP_CTX *ctx);
555int TS_CONF_set_signer_key(CONF *conf, const char *section,
556    const char *key, const char *pass, TS_RESP_CTX *ctx);
557int TS_CONF_set_def_policy(CONF *conf, const char *section,
558    const char *policy, TS_RESP_CTX *ctx);
559int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx);
560int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx);
561int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx);
562int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
563    TS_RESP_CTX *ctx);
564int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx);
565int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx);
566int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
567    TS_RESP_CTX *ctx);
568
569void ERR_load_TS_strings(void);
570
571/* Error codes for the TS functions. */
572
573/* Function codes. */
574#define TS_F_D2I_TS_RESP				 147
575#define TS_F_DEF_SERIAL_CB				 110
576#define TS_F_DEF_TIME_CB				 111
577#define TS_F_ESS_ADD_SIGNING_CERT			 112
578#define TS_F_ESS_CERT_ID_NEW_INIT			 113
579#define TS_F_ESS_SIGNING_CERT_NEW_INIT			 114
580#define TS_F_INT_TS_RESP_VERIFY_TOKEN			 149
581#define TS_F_PKCS7_TO_TS_TST_INFO			 148
582#define TS_F_TS_ACCURACY_SET_MICROS			 115
583#define TS_F_TS_ACCURACY_SET_MILLIS			 116
584#define TS_F_TS_ACCURACY_SET_SECONDS			 117
585#define TS_F_TS_CHECK_IMPRINTS				 100
586#define TS_F_TS_CHECK_NONCES				 101
587#define TS_F_TS_CHECK_POLICY				 102
588#define TS_F_TS_CHECK_SIGNING_CERTS			 103
589#define TS_F_TS_CHECK_STATUS_INFO			 104
590#define TS_F_TS_COMPUTE_IMPRINT				 145
591#define TS_F_TS_CONF_SET_DEFAULT_ENGINE			 146
592#define TS_F_TS_GET_STATUS_TEXT				 105
593#define TS_F_TS_MSG_IMPRINT_SET_ALGO			 118
594#define TS_F_TS_REQ_SET_MSG_IMPRINT			 119
595#define TS_F_TS_REQ_SET_NONCE				 120
596#define TS_F_TS_REQ_SET_POLICY_ID			 121
597#define TS_F_TS_RESP_CREATE_RESPONSE			 122
598#define TS_F_TS_RESP_CREATE_TST_INFO			 123
599#define TS_F_TS_RESP_CTX_ADD_FAILURE_INFO		 124
600#define TS_F_TS_RESP_CTX_ADD_MD				 125
601#define TS_F_TS_RESP_CTX_ADD_POLICY			 126
602#define TS_F_TS_RESP_CTX_NEW				 127
603#define TS_F_TS_RESP_CTX_SET_ACCURACY			 128
604#define TS_F_TS_RESP_CTX_SET_CERTS			 129
605#define TS_F_TS_RESP_CTX_SET_DEF_POLICY			 130
606#define TS_F_TS_RESP_CTX_SET_SIGNER_CERT		 131
607#define TS_F_TS_RESP_CTX_SET_STATUS_INFO		 132
608#define TS_F_TS_RESP_GET_POLICY				 133
609#define TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION		 134
610#define TS_F_TS_RESP_SET_STATUS_INFO			 135
611#define TS_F_TS_RESP_SET_TST_INFO			 150
612#define TS_F_TS_RESP_SIGN				 136
613#define TS_F_TS_RESP_VERIFY_SIGNATURE			 106
614#define TS_F_TS_RESP_VERIFY_TOKEN			 107
615#define TS_F_TS_TST_INFO_SET_ACCURACY			 137
616#define TS_F_TS_TST_INFO_SET_MSG_IMPRINT		 138
617#define TS_F_TS_TST_INFO_SET_NONCE			 139
618#define TS_F_TS_TST_INFO_SET_POLICY_ID			 140
619#define TS_F_TS_TST_INFO_SET_SERIAL			 141
620#define TS_F_TS_TST_INFO_SET_TIME			 142
621#define TS_F_TS_TST_INFO_SET_TSA			 143
622#define TS_F_TS_VERIFY					 108
623#define TS_F_TS_VERIFY_CERT				 109
624#define TS_F_TS_VERIFY_CTX_NEW				 144
625
626/* Reason codes. */
627#define TS_R_BAD_PKCS7_TYPE				 132
628#define TS_R_BAD_TYPE					 133
629#define TS_R_CERTIFICATE_VERIFY_ERROR			 100
630#define TS_R_COULD_NOT_SET_ENGINE			 127
631#define TS_R_COULD_NOT_SET_TIME				 115
632#define TS_R_D2I_TS_RESP_INT_FAILED			 128
633#define TS_R_DETACHED_CONTENT				 134
634#define TS_R_ESS_ADD_SIGNING_CERT_ERROR			 116
635#define TS_R_ESS_SIGNING_CERTIFICATE_ERROR		 101
636#define TS_R_INVALID_NULL_POINTER			 102
637#define TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE		 117
638#define TS_R_MESSAGE_IMPRINT_MISMATCH			 103
639#define TS_R_NONCE_MISMATCH				 104
640#define TS_R_NONCE_NOT_RETURNED				 105
641#define TS_R_NO_CONTENT					 106
642#define TS_R_NO_TIME_STAMP_TOKEN			 107
643#define TS_R_PKCS7_ADD_SIGNATURE_ERROR			 118
644#define TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR		 119
645#define TS_R_PKCS7_TO_TS_TST_INFO_FAILED		 129
646#define TS_R_POLICY_MISMATCH				 108
647#define TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE	 120
648#define TS_R_RESPONSE_SETUP_ERROR			 121
649#define TS_R_SIGNATURE_FAILURE				 109
650#define TS_R_THERE_MUST_BE_ONE_SIGNER			 110
651#define TS_R_TIME_SYSCALL_ERROR				 122
652#define TS_R_TOKEN_NOT_PRESENT				 130
653#define TS_R_TOKEN_PRESENT				 131
654#define TS_R_TSA_NAME_MISMATCH				 111
655#define TS_R_TSA_UNTRUSTED				 112
656#define TS_R_TST_INFO_SETUP_ERROR			 123
657#define TS_R_TS_DATASIGN				 124
658#define TS_R_UNACCEPTABLE_POLICY			 125
659#define TS_R_UNSUPPORTED_MD_ALGORITHM			 126
660#define TS_R_UNSUPPORTED_VERSION			 113
661#define TS_R_WRONG_CONTENT_TYPE				 114
662
663#ifdef  __cplusplus
664}
665#endif
666#endif
667