2 * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
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
12 #include <openssl/objects.h>
13 #include <openssl/ts.h>
14 #include <openssl/pkcs7.h>
15 #include <openssl/crypto.h>
16 #include "internal/cryptlib.h"
17 #include "internal/sizes.h"
18 #include "crypto/ess.h"
21 DEFINE_STACK_OF_CONST(EVP_MD)
23 static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *, void *);
24 static int def_time_cb(struct TS_resp_ctx *, void *, long *sec, long *usec);
25 static int def_extension_cb(struct TS_resp_ctx *, X509_EXTENSION *, void *);
27 static void ts_RESP_CTX_init(TS_RESP_CTX *ctx);
28 static void ts_RESP_CTX_cleanup(TS_RESP_CTX *ctx);
29 static int ts_RESP_check_request(TS_RESP_CTX *ctx);
30 static ASN1_OBJECT *ts_RESP_get_policy(TS_RESP_CTX *ctx);
31 static TS_TST_INFO *ts_RESP_create_tst_info(TS_RESP_CTX *ctx,
33 static int ts_RESP_process_extensions(TS_RESP_CTX *ctx);
34 static int ts_RESP_sign(TS_RESP_CTX *ctx);
36 static int ts_TST_INFO_content_new(PKCS7 *p7);
38 static ASN1_GENERALIZEDTIME
39 *TS_RESP_set_genTime_with_precision(ASN1_GENERALIZEDTIME *, long, long,
42 /* Default callback for response generation. */
43 static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *ctx, void *data)
45 ASN1_INTEGER *serial = ASN1_INTEGER_new();
49 if (!ASN1_INTEGER_set(serial, 1))
54 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
55 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
56 "Error during serial number generation.");
57 ASN1_INTEGER_free(serial);
61 #if defined(OPENSSL_SYS_UNIX)
63 static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
64 long *sec, long *usec)
67 if (gettimeofday(&tv, NULL) != 0) {
68 ERR_raise(ERR_LIB_TS, TS_R_TIME_SYSCALL_ERROR);
69 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
70 "Time is not available.");
71 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
82 static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
83 long *sec, long *usec)
86 if (time(&t) == (time_t)-1) {
87 ERR_raise(ERR_LIB_TS, TS_R_TIME_SYSCALL_ERROR);
88 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
89 "Time is not available.");
90 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
101 static int def_extension_cb(struct TS_resp_ctx *ctx, X509_EXTENSION *ext,
104 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
105 "Unsupported extension.");
106 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_EXTENSION);
110 /* TS_RESP_CTX management functions. */
112 TS_RESP_CTX *TS_RESP_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq)
116 if ((ctx = OPENSSL_zalloc(sizeof(*ctx))) == NULL) {
117 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
122 ctx->propq = OPENSSL_strdup(propq);
123 if (ctx->propq == NULL) {
125 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
129 ctx->libctx = libctx;
130 ctx->serial_cb = def_serial_cb;
131 ctx->time_cb = def_time_cb;
132 ctx->extension_cb = def_extension_cb;
137 TS_RESP_CTX *TS_RESP_CTX_new(void)
139 return TS_RESP_CTX_new_ex(NULL, NULL);
142 void TS_RESP_CTX_free(TS_RESP_CTX *ctx)
147 OPENSSL_free(ctx->propq);
148 X509_free(ctx->signer_cert);
149 EVP_PKEY_free(ctx->signer_key);
150 sk_X509_pop_free(ctx->certs, X509_free);
151 sk_ASN1_OBJECT_pop_free(ctx->policies, ASN1_OBJECT_free);
152 ASN1_OBJECT_free(ctx->default_policy);
153 sk_EVP_MD_free(ctx->mds); /* No EVP_MD_free method exists. */
154 ASN1_INTEGER_free(ctx->seconds);
155 ASN1_INTEGER_free(ctx->millis);
156 ASN1_INTEGER_free(ctx->micros);
160 int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer)
162 if (X509_check_purpose(signer, X509_PURPOSE_TIMESTAMP_SIGN, 0) != 1) {
163 ERR_raise(ERR_LIB_TS, TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE);
166 X509_free(ctx->signer_cert);
167 ctx->signer_cert = signer;
168 X509_up_ref(ctx->signer_cert);
172 int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key)
174 EVP_PKEY_free(ctx->signer_key);
175 ctx->signer_key = key;
176 EVP_PKEY_up_ref(ctx->signer_key);
181 int TS_RESP_CTX_set_signer_digest(TS_RESP_CTX *ctx, const EVP_MD *md)
187 int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *def_policy)
189 ASN1_OBJECT_free(ctx->default_policy);
190 if ((ctx->default_policy = OBJ_dup(def_policy)) == NULL)
194 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
198 int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs)
200 sk_X509_pop_free(ctx->certs, X509_free);
203 return certs == NULL || (ctx->certs = X509_chain_up_ref(certs)) != NULL;
206 int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *policy)
208 ASN1_OBJECT *copy = NULL;
210 if (ctx->policies == NULL
211 && (ctx->policies = sk_ASN1_OBJECT_new_null()) == NULL)
213 if ((copy = OBJ_dup(policy)) == NULL)
215 if (!sk_ASN1_OBJECT_push(ctx->policies, copy))
220 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
221 ASN1_OBJECT_free(copy);
225 int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md)
228 && (ctx->mds = sk_EVP_MD_new_null()) == NULL)
230 if (!sk_EVP_MD_push(ctx->mds, md))
235 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
239 #define TS_RESP_CTX_accuracy_free(ctx) \
240 ASN1_INTEGER_free(ctx->seconds); \
241 ctx->seconds = NULL; \
242 ASN1_INTEGER_free(ctx->millis); \
243 ctx->millis = NULL; \
244 ASN1_INTEGER_free(ctx->micros); \
247 int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
248 int secs, int millis, int micros)
251 TS_RESP_CTX_accuracy_free(ctx);
253 && ((ctx->seconds = ASN1_INTEGER_new()) == NULL
254 || !ASN1_INTEGER_set(ctx->seconds, secs)))
257 && ((ctx->millis = ASN1_INTEGER_new()) == NULL
258 || !ASN1_INTEGER_set(ctx->millis, millis)))
261 && ((ctx->micros = ASN1_INTEGER_new()) == NULL
262 || !ASN1_INTEGER_set(ctx->micros, micros)))
267 TS_RESP_CTX_accuracy_free(ctx);
268 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
272 void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags)
277 void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data)
280 ctx->serial_cb_data = data;
283 void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data)
286 ctx->time_cb_data = data;
289 void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
290 TS_extension_cb cb, void *data)
292 ctx->extension_cb = cb;
293 ctx->extension_cb_data = data;
296 int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
297 int status, const char *text)
299 TS_STATUS_INFO *si = NULL;
300 ASN1_UTF8STRING *utf8_text = NULL;
303 if ((si = TS_STATUS_INFO_new()) == NULL)
305 if (!ASN1_INTEGER_set(si->status, status))
308 if ((utf8_text = ASN1_UTF8STRING_new()) == NULL
309 || !ASN1_STRING_set(utf8_text, text, strlen(text)))
312 && (si->text = sk_ASN1_UTF8STRING_new_null()) == NULL)
314 if (!sk_ASN1_UTF8STRING_push(si->text, utf8_text))
316 utf8_text = NULL; /* Ownership is lost. */
318 if (!TS_RESP_set_status_info(ctx->response, si))
323 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
324 TS_STATUS_INFO_free(si);
325 ASN1_UTF8STRING_free(utf8_text);
329 int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
330 int status, const char *text)
333 TS_STATUS_INFO *si = ctx->response->status_info;
335 if (ASN1_INTEGER_get(si->status) == TS_STATUS_GRANTED) {
336 ret = TS_RESP_CTX_set_status_info(ctx, status, text);
341 int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure)
343 TS_STATUS_INFO *si = ctx->response->status_info;
344 if (si->failure_info == NULL
345 && (si->failure_info = ASN1_BIT_STRING_new()) == NULL)
347 if (!ASN1_BIT_STRING_set_bit(si->failure_info, failure, 1))
351 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
355 TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx)
360 TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx)
362 return ctx->tst_info;
365 int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
368 if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
370 ctx->clock_precision_digits = precision;
374 /* Main entry method of the response generation. */
375 TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio)
381 ts_RESP_CTX_init(ctx);
383 if ((ctx->response = TS_RESP_new()) == NULL) {
384 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
387 if ((ctx->request = d2i_TS_REQ_bio(req_bio, NULL)) == NULL) {
388 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
389 "Bad request format or system error.");
390 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
393 if (!TS_RESP_CTX_set_status_info(ctx, TS_STATUS_GRANTED, NULL))
395 if (!ts_RESP_check_request(ctx))
397 if ((policy = ts_RESP_get_policy(ctx)) == NULL)
399 if ((ctx->tst_info = ts_RESP_create_tst_info(ctx, policy)) == NULL)
401 if (!ts_RESP_process_extensions(ctx))
403 if (!ts_RESP_sign(ctx))
409 ERR_raise(ERR_LIB_TS, TS_R_RESPONSE_SETUP_ERROR);
410 if (ctx->response != NULL) {
411 if (TS_RESP_CTX_set_status_info_cond(ctx,
413 "Error during response "
414 "generation.") == 0) {
415 TS_RESP_free(ctx->response);
416 ctx->response = NULL;
420 response = ctx->response;
421 ctx->response = NULL; /* Ownership will be returned to caller. */
422 ts_RESP_CTX_cleanup(ctx);
426 /* Initializes the variable part of the context. */
427 static void ts_RESP_CTX_init(TS_RESP_CTX *ctx)
430 ctx->response = NULL;
431 ctx->tst_info = NULL;
434 /* Cleans up the variable part of the context. */
435 static void ts_RESP_CTX_cleanup(TS_RESP_CTX *ctx)
437 TS_REQ_free(ctx->request);
439 TS_RESP_free(ctx->response);
440 ctx->response = NULL;
441 TS_TST_INFO_free(ctx->tst_info);
442 ctx->tst_info = NULL;
445 /* Checks the format and content of the request. */
446 static int ts_RESP_check_request(TS_RESP_CTX *ctx)
448 TS_REQ *request = ctx->request;
449 TS_MSG_IMPRINT *msg_imprint;
451 char md_alg_name[OSSL_MAX_NAME_SIZE];
452 const ASN1_OCTET_STRING *digest;
453 const EVP_MD *md = NULL;
456 if (TS_REQ_get_version(request) != 1) {
457 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
458 "Bad request version.");
459 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_REQUEST);
463 msg_imprint = request->msg_imprint;
464 md_alg = msg_imprint->hash_algo;
465 OBJ_obj2txt(md_alg_name, sizeof(md_alg_name), md_alg->algorithm, 0);
466 for (i = 0; !md && i < sk_EVP_MD_num(ctx->mds); ++i) {
467 const EVP_MD *current_md = sk_EVP_MD_value(ctx->mds, i);
468 if (EVP_MD_is_a(current_md, md_alg_name))
472 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
473 "Message digest algorithm is "
475 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
479 if (md_alg->parameter && ASN1_TYPE_get(md_alg->parameter) != V_ASN1_NULL) {
480 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
481 "Superfluous message digest "
483 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
486 digest = msg_imprint->hashed_msg;
487 if (digest->length != EVP_MD_size(md)) {
488 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
489 "Bad message digest.");
490 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
497 /* Returns the TSA policy based on the requested and acceptable policies. */
498 static ASN1_OBJECT *ts_RESP_get_policy(TS_RESP_CTX *ctx)
500 ASN1_OBJECT *requested = ctx->request->policy_id;
501 ASN1_OBJECT *policy = NULL;
504 if (ctx->default_policy == NULL) {
505 ERR_raise(ERR_LIB_TS, TS_R_INVALID_NULL_POINTER);
508 if (!requested || !OBJ_cmp(requested, ctx->default_policy))
509 policy = ctx->default_policy;
511 /* Check if the policy is acceptable. */
512 for (i = 0; !policy && i < sk_ASN1_OBJECT_num(ctx->policies); ++i) {
513 ASN1_OBJECT *current = sk_ASN1_OBJECT_value(ctx->policies, i);
514 if (!OBJ_cmp(requested, current))
517 if (policy == NULL) {
518 ERR_raise(ERR_LIB_TS, TS_R_UNACCEPTABLE_POLICY);
519 TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
520 "Requested policy is not " "supported.");
521 TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_POLICY);
526 /* Creates the TS_TST_INFO object based on the settings of the context. */
527 static TS_TST_INFO *ts_RESP_create_tst_info(TS_RESP_CTX *ctx,
531 TS_TST_INFO *tst_info = NULL;
532 ASN1_INTEGER *serial = NULL;
533 ASN1_GENERALIZEDTIME *asn1_time = NULL;
535 TS_ACCURACY *accuracy = NULL;
536 const ASN1_INTEGER *nonce;
537 GENERAL_NAME *tsa_name = NULL;
539 if ((tst_info = TS_TST_INFO_new()) == NULL)
541 if (!TS_TST_INFO_set_version(tst_info, 1))
543 if (!TS_TST_INFO_set_policy_id(tst_info, policy))
545 if (!TS_TST_INFO_set_msg_imprint(tst_info, ctx->request->msg_imprint))
547 if ((serial = ctx->serial_cb(ctx, ctx->serial_cb_data)) == NULL
548 || !TS_TST_INFO_set_serial(tst_info, serial))
550 if (!ctx->time_cb(ctx, ctx->time_cb_data, &sec, &usec)
552 TS_RESP_set_genTime_with_precision(NULL, sec, usec,
553 ctx->clock_precision_digits)) == NULL
554 || !TS_TST_INFO_set_time(tst_info, asn1_time))
557 if ((ctx->seconds || ctx->millis || ctx->micros)
558 && (accuracy = TS_ACCURACY_new()) == NULL)
560 if (ctx->seconds && !TS_ACCURACY_set_seconds(accuracy, ctx->seconds))
562 if (ctx->millis && !TS_ACCURACY_set_millis(accuracy, ctx->millis))
564 if (ctx->micros && !TS_ACCURACY_set_micros(accuracy, ctx->micros))
566 if (accuracy && !TS_TST_INFO_set_accuracy(tst_info, accuracy))
569 if ((ctx->flags & TS_ORDERING)
570 && !TS_TST_INFO_set_ordering(tst_info, 1))
573 if ((nonce = ctx->request->nonce) != NULL
574 && !TS_TST_INFO_set_nonce(tst_info, nonce))
577 if (ctx->flags & TS_TSA_NAME) {
578 if ((tsa_name = GENERAL_NAME_new()) == NULL)
580 tsa_name->type = GEN_DIRNAME;
582 X509_NAME_dup(X509_get_subject_name(ctx->signer_cert));
583 if (!tsa_name->d.dirn)
585 if (!TS_TST_INFO_set_tsa(tst_info, tsa_name))
592 TS_TST_INFO_free(tst_info);
594 ERR_raise(ERR_LIB_TS, TS_R_TST_INFO_SETUP_ERROR);
595 TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
596 "Error during TSTInfo "
599 GENERAL_NAME_free(tsa_name);
600 TS_ACCURACY_free(accuracy);
601 ASN1_GENERALIZEDTIME_free(asn1_time);
602 ASN1_INTEGER_free(serial);
607 /* Processing the extensions of the request. */
608 static int ts_RESP_process_extensions(TS_RESP_CTX *ctx)
610 STACK_OF(X509_EXTENSION) *exts = ctx->request->extensions;
614 for (i = 0; ok && i < sk_X509_EXTENSION_num(exts); ++i) {
615 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
617 * The last argument was previously (void *)ctx->extension_cb,
618 * but ISO C doesn't permit converting a function pointer to void *.
619 * For lack of better information, I'm placing a NULL there instead.
620 * The callback can pick its own address out from the ctx anyway...
622 ok = (*ctx->extension_cb) (ctx, ext, NULL);
628 /* Functions for signing the TS_TST_INFO structure of the context. */
629 static int ts_RESP_sign(TS_RESP_CTX *ctx)
633 PKCS7_SIGNER_INFO *si;
634 STACK_OF(X509) *certs; /* Certificates to include in sc. */
635 ESS_SIGNING_CERT_V2 *sc2 = NULL;
636 ESS_SIGNING_CERT *sc = NULL;
640 EVP_MD *signer_md = NULL;
642 if (!X509_check_private_key(ctx->signer_cert, ctx->signer_key)) {
643 ERR_raise(ERR_LIB_TS, TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
647 if ((p7 = PKCS7_new_ex(ctx->libctx, ctx->propq)) == NULL) {
648 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
651 if (!PKCS7_set_type(p7, NID_pkcs7_signed))
653 if (!ASN1_INTEGER_set(p7->d.sign->version, 3))
656 if (ctx->request->cert_req) {
657 PKCS7_add_certificate(p7, ctx->signer_cert);
659 for (i = 0; i < sk_X509_num(ctx->certs); ++i) {
660 X509 *cert = sk_X509_value(ctx->certs, i);
661 PKCS7_add_certificate(p7, cert);
666 if (ctx->signer_md == NULL)
667 signer_md = EVP_MD_fetch(ctx->libctx, "SHA256", ctx->propq);
668 else if (EVP_MD_provider(ctx->signer_md) == NULL)
669 signer_md = EVP_MD_fetch(ctx->libctx, EVP_MD_name(ctx->signer_md),
672 signer_md = (EVP_MD *)ctx->signer_md;
674 if ((si = PKCS7_add_signature(p7, ctx->signer_cert,
675 ctx->signer_key, signer_md)) == NULL) {
676 ERR_raise(ERR_LIB_TS, TS_R_PKCS7_ADD_SIGNATURE_ERROR);
680 oid = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
681 if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
682 V_ASN1_OBJECT, oid)) {
683 ERR_raise(ERR_LIB_TS, TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR);
687 certs = ctx->flags & TS_ESS_CERT_ID_CHAIN ? ctx->certs : NULL;
688 if (ctx->ess_cert_id_digest == NULL
689 || EVP_MD_is_a(ctx->ess_cert_id_digest, SN_sha1)) {
690 if ((sc = OSSL_ESS_signing_cert_new_init(ctx->signer_cert,
694 if (!ossl_ess_signing_cert_add(si, sc)) {
695 ERR_raise(ERR_LIB_TS, TS_R_ESS_ADD_SIGNING_CERT_ERROR);
699 sc2 = OSSL_ESS_signing_cert_v2_new_init(ctx->ess_cert_id_digest,
700 ctx->signer_cert, certs, 0);
704 if (!ossl_ess_signing_cert_v2_add(si, sc2)) {
705 ERR_raise(ERR_LIB_TS, TS_R_ESS_ADD_SIGNING_CERT_V2_ERROR);
710 if (!ts_TST_INFO_content_new(p7))
712 if ((p7bio = PKCS7_dataInit(p7, NULL)) == NULL) {
713 ERR_raise(ERR_LIB_TS, ERR_R_MALLOC_FAILURE);
716 if (!i2d_TS_TST_INFO_bio(p7bio, ctx->tst_info)) {
717 ERR_raise(ERR_LIB_TS, TS_R_TS_DATASIGN);
720 if (!PKCS7_dataFinal(p7, p7bio)) {
721 ERR_raise(ERR_LIB_TS, TS_R_TS_DATASIGN);
724 TS_RESP_set_tst_info(ctx->response, p7, ctx->tst_info);
725 p7 = NULL; /* Ownership is lost. */
726 ctx->tst_info = NULL; /* Ownership is lost. */
730 if (signer_md != ctx->signer_md)
731 EVP_MD_free(signer_md);
734 TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
735 "Error during signature "
738 ESS_SIGNING_CERT_V2_free(sc2);
739 ESS_SIGNING_CERT_free(sc);
744 static int ts_TST_INFO_content_new(PKCS7 *p7)
747 ASN1_OCTET_STRING *octet_string = NULL;
749 /* Create new encapsulated NID_id_smime_ct_TSTInfo content. */
750 if ((ret = PKCS7_new()) == NULL)
752 if ((ret->d.other = ASN1_TYPE_new()) == NULL)
754 ret->type = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
755 if ((octet_string = ASN1_OCTET_STRING_new()) == NULL)
757 ASN1_TYPE_set(ret->d.other, V_ASN1_OCTET_STRING, octet_string);
760 /* Add encapsulated content to signed PKCS7 structure. */
761 if (!PKCS7_set_content(p7, ret))
766 ASN1_OCTET_STRING_free(octet_string);
771 static ASN1_GENERALIZEDTIME *TS_RESP_set_genTime_with_precision(
772 ASN1_GENERALIZEDTIME *asn1_time, long sec, long usec,
775 time_t time_sec = (time_t)sec;
776 struct tm *tm = NULL, tm_result;
777 char genTime_str[17 + TS_MAX_CLOCK_PRECISION_DIGITS];
778 char *p = genTime_str;
779 char *p_end = genTime_str + sizeof(genTime_str);
781 if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
784 if ((tm = OPENSSL_gmtime(&time_sec, &tm_result)) == NULL)
788 * Put "genTime_str" in GeneralizedTime format. We work around the
789 * restrictions imposed by rfc3280 (i.e. "GeneralizedTime values MUST
790 * NOT include fractional seconds") and OpenSSL related functions to
791 * meet the rfc3161 requirement: "GeneralizedTime syntax can include
792 * fraction-of-second details".
794 p += BIO_snprintf(p, p_end - p,
795 "%04d%02d%02d%02d%02d%02d",
796 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
797 tm->tm_hour, tm->tm_min, tm->tm_sec);
799 BIO_snprintf(p, 2 + precision, ".%06ld", usec);
803 * To make things a bit harder, X.690 | ISO/IEC 8825-1 provides the
804 * following restrictions for a DER-encoding, which OpenSSL
805 * (specifically ASN1_GENERALIZEDTIME_check() function) doesn't
806 * support: "The encoding MUST terminate with a "Z" (which means
807 * "Zulu" time). The decimal point element, if present, MUST be the
808 * point option ".". The fractional-seconds elements, if present,
809 * MUST omit all trailing 0's; if the elements correspond to 0, they
810 * MUST be wholly omitted, and the decimal point element also MUST be
814 * Remove trailing zeros. The dot guarantees the exit condition of
815 * this loop even if all the digits are zero.
825 if (asn1_time == NULL
826 && (asn1_time = ASN1_GENERALIZEDTIME_new()) == NULL)
828 if (!ASN1_GENERALIZEDTIME_set_string(asn1_time, genTime_str)) {
829 ASN1_GENERALIZEDTIME_free(asn1_time);
835 ERR_raise(ERR_LIB_TS, TS_R_COULD_NOT_SET_TIME);
839 int TS_RESP_CTX_set_ess_cert_id_digest(TS_RESP_CTX *ctx, const EVP_MD *md)
841 ctx->ess_cert_id_digest = md;