2 * Copyright (c) 2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "krb5_locl.h"
35 RCSID("$Id: digest.c 22156 2007-12-04 20:02:49Z lha $");
36 #include "digest_asn1.h"
38 struct krb5_digest_data {
43 DigestInitReply initReply;
44 DigestRequest request;
45 DigestResponse response;
49 krb5_digest_alloc(krb5_context context, krb5_digest *digest)
53 d = calloc(1, sizeof(*d));
56 krb5_set_error_string(context, "out of memory");
65 krb5_digest_free(krb5_digest digest)
69 free_DigestInit(&digest->init);
70 free_DigestInitReply(&digest->initReply);
71 free_DigestRequest(&digest->request);
72 free_DigestResponse(&digest->response);
73 memset(digest, 0, sizeof(*digest));
79 krb5_digest_set_server_cb(krb5_context context,
84 if (digest->init.channel) {
85 krb5_set_error_string(context, "server channel binding already set");
88 digest->init.channel = calloc(1, sizeof(*digest->init.channel));
89 if (digest->init.channel == NULL)
92 digest->init.channel->cb_type = strdup(type);
93 if (digest->init.channel->cb_type == NULL)
96 digest->init.channel->cb_binding = strdup(binding);
97 if (digest->init.channel->cb_binding == NULL)
101 if (digest->init.channel) {
102 free(digest->init.channel->cb_type);
103 free(digest->init.channel->cb_binding);
104 free(digest->init.channel);
105 digest->init.channel = NULL;
107 krb5_set_error_string(context, "out of memory");
112 krb5_digest_set_type(krb5_context context,
116 if (digest->init.type) {
117 krb5_set_error_string(context, "client type already set");
120 digest->init.type = strdup(type);
121 if (digest->init.type == NULL) {
122 krb5_set_error_string(context, "out of memory");
129 krb5_digest_set_hostname(krb5_context context,
131 const char *hostname)
133 if (digest->init.hostname) {
134 krb5_set_error_string(context, "server hostname already set");
137 digest->init.hostname = malloc(sizeof(*digest->init.hostname));
138 if (digest->init.hostname == NULL) {
139 krb5_set_error_string(context, "out of memory");
142 *digest->init.hostname = strdup(hostname);
143 if (*digest->init.hostname == NULL) {
144 krb5_set_error_string(context, "out of memory");
145 free(digest->init.hostname);
146 digest->init.hostname = NULL;
153 krb5_digest_get_server_nonce(krb5_context context,
156 return digest->initReply.nonce;
160 krb5_digest_set_server_nonce(krb5_context context,
164 if (digest->request.serverNonce) {
165 krb5_set_error_string(context, "nonce already set");
168 digest->request.serverNonce = strdup(nonce);
169 if (digest->request.serverNonce == NULL) {
170 krb5_set_error_string(context, "out of memory");
177 krb5_digest_get_opaque(krb5_context context,
180 return digest->initReply.opaque;
184 krb5_digest_set_opaque(krb5_context context,
188 if (digest->request.opaque) {
189 krb5_set_error_string(context, "opaque already set");
192 digest->request.opaque = strdup(opaque);
193 if (digest->request.opaque == NULL) {
194 krb5_set_error_string(context, "out of memory");
201 krb5_digest_get_identifier(krb5_context context,
204 if (digest->initReply.identifier == NULL)
206 return *digest->initReply.identifier;
210 krb5_digest_set_identifier(krb5_context context,
214 if (digest->request.identifier) {
215 krb5_set_error_string(context, "identifier already set");
218 digest->request.identifier = calloc(1, sizeof(*digest->request.identifier));
219 if (digest->request.identifier == NULL) {
220 krb5_set_error_string(context, "out of memory");
223 *digest->request.identifier = strdup(id);
224 if (*digest->request.identifier == NULL) {
225 krb5_set_error_string(context, "out of memory");
226 free(digest->request.identifier);
227 digest->request.identifier = NULL;
233 static krb5_error_code
234 digest_request(krb5_context context,
237 krb5_key_usage usage,
238 const DigestReqInner *ireq,
239 DigestRepInner *irep)
244 krb5_data data, data2;
246 krb5_crypto crypto = NULL;
247 krb5_auth_context ac = NULL;
248 krb5_principal principal = NULL;
249 krb5_ccache id = NULL;
252 krb5_data_zero(&data);
253 krb5_data_zero(&data2);
254 memset(&req, 0, sizeof(req));
255 memset(&rep, 0, sizeof(rep));
257 if (ccache == NULL) {
258 ret = krb5_cc_default(context, &id);
265 ret = krb5_get_default_realm(context, &r);
275 ret = krb5_make_principal(context, &principal,
276 r, KRB5_DIGEST_NAME, r, NULL);
280 ASN1_MALLOC_ENCODE(DigestReqInner, data.data, data.length,
283 krb5_set_error_string(context,
284 "Failed to encode digest inner request");
287 if (size != data.length)
288 krb5_abortx(context, "ASN.1 internal encoder error");
290 ret = krb5_mk_req_exact(context, &ac,
291 AP_OPTS_USE_SUBKEY|AP_OPTS_MUTUAL_REQUIRED,
292 principal, NULL, id, &req.apReq);
299 ret = krb5_auth_con_getlocalsubkey(context, ac, &key);
303 krb5_set_error_string(context, "Digest failed to get local subkey");
308 ret = krb5_crypto_init(context, key, 0, &crypto);
309 krb5_free_keyblock (context, key);
314 ret = krb5_encrypt_EncryptedData(context, crypto, usage,
315 data.data, data.length, 0,
320 krb5_data_free(&data);
322 ASN1_MALLOC_ENCODE(DigestREQ, data.data, data.length,
325 krb5_set_error_string(context, "Failed to encode DigestREQest");
328 if (size != data.length)
329 krb5_abortx(context, "ASN.1 internal encoder error");
331 ret = krb5_sendto_kdc(context, &data, &r, &data2);
335 ret = decode_DigestREP(data2.data, data2.length, &rep, NULL);
337 krb5_set_error_string(context, "Failed to parse digest response");
342 krb5_ap_rep_enc_part *repl;
344 ret = krb5_rd_rep(context, ac, &rep.apRep, &repl);
348 krb5_free_ap_rep_enc_part(context, repl);
353 ret = krb5_auth_con_getremotesubkey(context, ac, &key);
358 krb5_set_error_string(context,
359 "Digest reply have no remote subkey");
363 krb5_crypto_destroy(context, crypto);
364 ret = krb5_crypto_init(context, key, 0, &crypto);
365 krb5_free_keyblock (context, key);
370 krb5_data_free(&data);
371 ret = krb5_decrypt_EncryptedData(context, crypto, usage,
372 &rep.innerRep, &data);
376 ret = decode_DigestRepInner(data.data, data.length, irep, NULL);
378 krb5_set_error_string(context, "Failed to decode digest inner reply");
383 if (ccache == NULL && id)
384 krb5_cc_close(context, id);
385 if (realm == NULL && r)
388 krb5_crypto_destroy(context, crypto);
390 krb5_auth_con_free(context, ac);
392 krb5_free_principal(context, principal);
394 krb5_data_free(&data);
395 krb5_data_free(&data2);
397 free_DigestREQ(&req);
398 free_DigestREP(&rep);
404 krb5_digest_init_request(krb5_context context,
413 memset(&ireq, 0, sizeof(ireq));
414 memset(&irep, 0, sizeof(irep));
416 if (digest->init.type == NULL) {
417 krb5_set_error_string(context, "Type missing from init req");
421 ireq.element = choice_DigestReqInner_init;
422 ireq.u.init = digest->init;
424 ret = digest_request(context, realm, ccache,
425 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
429 if (irep.element == choice_DigestRepInner_error) {
430 krb5_set_error_string(context, "Digest init error: %s",
431 irep.u.error.reason);
432 ret = irep.u.error.code;
436 if (irep.element != choice_DigestRepInner_initReply) {
437 krb5_set_error_string(context, "digest reply not an initReply");
442 ret = copy_DigestInitReply(&irep.u.initReply, &digest->initReply);
444 krb5_set_error_string(context, "Failed to copy initReply");
449 free_DigestRepInner(&irep);
456 krb5_digest_set_client_nonce(krb5_context context,
460 if (digest->request.clientNonce) {
461 krb5_set_error_string(context, "clientNonce already set");
464 digest->request.clientNonce =
465 calloc(1, sizeof(*digest->request.clientNonce));
466 if (digest->request.clientNonce == NULL) {
467 krb5_set_error_string(context, "out of memory");
470 *digest->request.clientNonce = strdup(nonce);
471 if (*digest->request.clientNonce == NULL) {
472 krb5_set_error_string(context, "out of memory");
473 free(digest->request.clientNonce);
474 digest->request.clientNonce = NULL;
481 krb5_digest_set_digest(krb5_context context,
485 if (digest->request.digest) {
486 krb5_set_error_string(context, "digest already set");
489 digest->request.digest = strdup(dgst);
490 if (digest->request.digest == NULL) {
491 krb5_set_error_string(context, "out of memory");
498 krb5_digest_set_username(krb5_context context,
500 const char *username)
502 if (digest->request.username) {
503 krb5_set_error_string(context, "username already set");
506 digest->request.username = strdup(username);
507 if (digest->request.username == NULL) {
508 krb5_set_error_string(context, "out of memory");
515 krb5_digest_set_authid(krb5_context context,
519 if (digest->request.authid) {
520 krb5_set_error_string(context, "authid already set");
523 digest->request.authid = malloc(sizeof(*digest->request.authid));
524 if (digest->request.authid == NULL) {
525 krb5_set_error_string(context, "out of memory");
528 *digest->request.authid = strdup(authid);
529 if (*digest->request.authid == NULL) {
530 krb5_set_error_string(context, "out of memory");
531 free(digest->request.authid);
532 digest->request.authid = NULL;
539 krb5_digest_set_authentication_user(krb5_context context,
541 krb5_principal authentication_user)
545 if (digest->request.authentication_user) {
546 krb5_set_error_string(context, "authentication_user already set");
549 ret = krb5_copy_principal(context,
551 &digest->request.authentication_user);
552 if (digest->request.authentication_user == NULL) {
553 krb5_set_error_string(context, "out of memory");
560 krb5_digest_set_realm(krb5_context context,
564 if (digest->request.realm) {
565 krb5_set_error_string(context, "realm already set");
568 digest->request.realm = malloc(sizeof(*digest->request.realm));
569 if (digest->request.realm == NULL) {
570 krb5_set_error_string(context, "out of memory");
573 *digest->request.realm = strdup(realm);
574 if (*digest->request.realm == NULL) {
575 krb5_set_error_string(context, "out of memory");
576 free(digest->request.realm);
577 digest->request.realm = NULL;
584 krb5_digest_set_method(krb5_context context,
588 if (digest->request.method) {
589 krb5_set_error_string(context, "method already set");
592 digest->request.method = malloc(sizeof(*digest->request.method));
593 if (digest->request.method == NULL) {
594 krb5_set_error_string(context, "out of memory");
597 *digest->request.method = strdup(method);
598 if (*digest->request.method == NULL) {
599 krb5_set_error_string(context, "out of memory");
600 free(digest->request.method);
601 digest->request.method = NULL;
608 krb5_digest_set_uri(krb5_context context,
612 if (digest->request.uri) {
613 krb5_set_error_string(context, "uri already set");
616 digest->request.uri = malloc(sizeof(*digest->request.uri));
617 if (digest->request.uri == NULL) {
618 krb5_set_error_string(context, "out of memory");
621 *digest->request.uri = strdup(uri);
622 if (*digest->request.uri == NULL) {
623 krb5_set_error_string(context, "out of memory");
624 free(digest->request.uri);
625 digest->request.uri = NULL;
632 krb5_digest_set_nonceCount(krb5_context context,
634 const char *nonce_count)
636 if (digest->request.nonceCount) {
637 krb5_set_error_string(context, "nonceCount already set");
640 digest->request.nonceCount =
641 malloc(sizeof(*digest->request.nonceCount));
642 if (digest->request.nonceCount == NULL) {
643 krb5_set_error_string(context, "out of memory");
646 *digest->request.nonceCount = strdup(nonce_count);
647 if (*digest->request.nonceCount == NULL) {
648 krb5_set_error_string(context, "out of memory");
649 free(digest->request.nonceCount);
650 digest->request.nonceCount = NULL;
657 krb5_digest_set_qop(krb5_context context,
661 if (digest->request.qop) {
662 krb5_set_error_string(context, "qop already set");
665 digest->request.qop = malloc(sizeof(*digest->request.qop));
666 if (digest->request.qop == NULL) {
667 krb5_set_error_string(context, "out of memory");
670 *digest->request.qop = strdup(qop);
671 if (*digest->request.qop == NULL) {
672 krb5_set_error_string(context, "out of memory");
673 free(digest->request.qop);
674 digest->request.qop = NULL;
681 krb5_digest_set_responseData(krb5_context context,
683 const char *response)
685 digest->request.responseData = strdup(response);
686 if (digest->request.responseData == NULL) {
687 krb5_set_error_string(context, "out of memory");
694 krb5_digest_request(krb5_context context,
703 memset(&ireq, 0, sizeof(ireq));
704 memset(&irep, 0, sizeof(irep));
706 ireq.element = choice_DigestReqInner_digestRequest;
707 ireq.u.digestRequest = digest->request;
709 if (digest->request.type == NULL) {
710 if (digest->init.type == NULL) {
711 krb5_set_error_string(context, "Type missing from req");
714 ireq.u.digestRequest.type = digest->init.type;
717 if (ireq.u.digestRequest.digest == NULL)
718 ireq.u.digestRequest.digest = "md5";
720 ret = digest_request(context, realm, ccache,
721 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
725 if (irep.element == choice_DigestRepInner_error) {
726 krb5_set_error_string(context, "Digest response error: %s",
727 irep.u.error.reason);
728 ret = irep.u.error.code;
732 if (irep.element != choice_DigestRepInner_response) {
733 krb5_set_error_string(context, "digest reply not an DigestResponse");
738 ret = copy_DigestResponse(&irep.u.response, &digest->response);
740 krb5_set_error_string(context, "Failed to copy initReply");
745 free_DigestRepInner(&irep);
751 krb5_digest_rep_get_status(krb5_context context,
754 return digest->response.success ? TRUE : FALSE;
758 krb5_digest_get_rsp(krb5_context context,
761 if (digest->response.rsp == NULL)
763 return *digest->response.rsp;
767 krb5_digest_get_tickets(krb5_context context,
777 krb5_digest_get_client_binding(krb5_context context,
782 if (digest->response.channel) {
783 *type = strdup(digest->response.channel->cb_type);
784 *binding = strdup(digest->response.channel->cb_binding);
785 if (*type == NULL || *binding == NULL) {
788 krb5_set_error_string(context, "out of memory");
799 krb5_digest_get_session_key(krb5_context context,
805 krb5_data_zero(data);
806 if (digest->response.session_key == NULL)
808 ret = der_copy_octet_string(digest->response.session_key, data);
810 krb5_clear_error_string(context);
815 struct krb5_ntlm_data {
817 NTLMInitReply initReply;
819 NTLMResponse response;
823 krb5_ntlm_alloc(krb5_context context,
826 *ntlm = calloc(1, sizeof(**ntlm));
828 krb5_set_error_string(context, "out of memory");
835 krb5_ntlm_free(krb5_context context, krb5_ntlm ntlm)
837 free_NTLMInit(&ntlm->init);
838 free_NTLMInitReply(&ntlm->initReply);
839 free_NTLMRequest(&ntlm->request);
840 free_NTLMResponse(&ntlm->response);
841 memset(ntlm, 0, sizeof(*ntlm));
848 krb5_ntlm_init_request(krb5_context context,
853 const char *hostname,
854 const char *domainname)
860 memset(&ireq, 0, sizeof(ireq));
861 memset(&irep, 0, sizeof(irep));
863 ntlm->init.flags = flags;
865 ALLOC(ntlm->init.hostname, 1);
866 *ntlm->init.hostname = strdup(hostname);
869 ALLOC(ntlm->init.domain, 1);
870 *ntlm->init.domain = strdup(domainname);
873 ireq.element = choice_DigestReqInner_ntlmInit;
874 ireq.u.ntlmInit = ntlm->init;
876 ret = digest_request(context, realm, ccache,
877 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
881 if (irep.element == choice_DigestRepInner_error) {
882 krb5_set_error_string(context, "Digest init error: %s",
883 irep.u.error.reason);
884 ret = irep.u.error.code;
888 if (irep.element != choice_DigestRepInner_ntlmInitReply) {
889 krb5_set_error_string(context, "ntlm reply not an initReply");
894 ret = copy_NTLMInitReply(&irep.u.ntlmInitReply, &ntlm->initReply);
896 krb5_set_error_string(context, "Failed to copy initReply");
901 free_DigestRepInner(&irep);
907 krb5_ntlm_init_get_flags(krb5_context context,
911 *flags = ntlm->initReply.flags;
916 krb5_ntlm_init_get_challange(krb5_context context,
918 krb5_data *challange)
922 ret = der_copy_octet_string(&ntlm->initReply.challange, challange);
924 krb5_clear_error_string(context);
930 krb5_ntlm_init_get_opaque(krb5_context context,
936 ret = der_copy_octet_string(&ntlm->initReply.opaque, opaque);
938 krb5_clear_error_string(context);
944 krb5_ntlm_init_get_targetname(krb5_context context,
948 *name = strdup(ntlm->initReply.targetname);
950 krb5_clear_error_string(context);
957 krb5_ntlm_init_get_targetinfo(krb5_context context,
963 if (ntlm->initReply.targetinfo == NULL) {
964 krb5_data_zero(data);
968 ret = krb5_data_copy(data,
969 ntlm->initReply.targetinfo->data,
970 ntlm->initReply.targetinfo->length);
972 krb5_clear_error_string(context);
980 krb5_ntlm_request(krb5_context context,
989 memset(&ireq, 0, sizeof(ireq));
990 memset(&irep, 0, sizeof(irep));
992 ireq.element = choice_DigestReqInner_ntlmRequest;
993 ireq.u.ntlmRequest = ntlm->request;
995 ret = digest_request(context, realm, ccache,
996 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
1000 if (irep.element == choice_DigestRepInner_error) {
1001 krb5_set_error_string(context, "NTLM response error: %s",
1002 irep.u.error.reason);
1003 ret = irep.u.error.code;
1007 if (irep.element != choice_DigestRepInner_ntlmResponse) {
1008 krb5_set_error_string(context, "NTLM reply not an NTLMResponse");
1013 ret = copy_NTLMResponse(&irep.u.ntlmResponse, &ntlm->response);
1015 krb5_set_error_string(context, "Failed to copy NTLMResponse");
1020 free_DigestRepInner(&irep);
1026 krb5_ntlm_req_set_flags(krb5_context context,
1030 ntlm->request.flags = flags;
1035 krb5_ntlm_req_set_username(krb5_context context,
1037 const char *username)
1039 ntlm->request.username = strdup(username);
1040 if (ntlm->request.username == NULL) {
1041 krb5_set_error_string(context, "out of memory");
1048 krb5_ntlm_req_set_targetname(krb5_context context,
1050 const char *targetname)
1052 ntlm->request.targetname = strdup(targetname);
1053 if (ntlm->request.targetname == NULL) {
1054 krb5_set_error_string(context, "out of memory");
1061 krb5_ntlm_req_set_lm(krb5_context context,
1063 void *hash, size_t len)
1065 ntlm->request.lm.data = malloc(len);
1066 if (ntlm->request.lm.data == NULL) {
1067 krb5_set_error_string(context, "out of memory");
1070 ntlm->request.lm.length = len;
1071 memcpy(ntlm->request.lm.data, hash, len);
1076 krb5_ntlm_req_set_ntlm(krb5_context context,
1078 void *hash, size_t len)
1080 ntlm->request.ntlm.data = malloc(len);
1081 if (ntlm->request.ntlm.data == NULL) {
1082 krb5_set_error_string(context, "out of memory");
1085 ntlm->request.ntlm.length = len;
1086 memcpy(ntlm->request.ntlm.data, hash, len);
1091 krb5_ntlm_req_set_opaque(krb5_context context,
1095 ntlm->request.opaque.data = malloc(opaque->length);
1096 if (ntlm->request.opaque.data == NULL) {
1097 krb5_set_error_string(context, "out of memory");
1100 ntlm->request.opaque.length = opaque->length;
1101 memcpy(ntlm->request.opaque.data, opaque->data, opaque->length);
1106 krb5_ntlm_req_set_session(krb5_context context,
1108 void *sessionkey, size_t length)
1110 ntlm->request.sessionkey = calloc(1, sizeof(*ntlm->request.sessionkey));
1111 if (ntlm->request.sessionkey == NULL) {
1112 krb5_set_error_string(context, "out of memory");
1115 ntlm->request.sessionkey->data = malloc(length);
1116 if (ntlm->request.sessionkey->data == NULL) {
1117 krb5_set_error_string(context, "out of memory");
1120 memcpy(ntlm->request.sessionkey->data, sessionkey, length);
1121 ntlm->request.sessionkey->length = length;
1126 krb5_ntlm_rep_get_status(krb5_context context,
1129 return ntlm->response.success ? TRUE : FALSE;
1133 krb5_ntlm_rep_get_sessionkey(krb5_context context,
1137 if (ntlm->response.sessionkey == NULL) {
1138 krb5_set_error_string(context, "no ntlm session key");
1141 krb5_clear_error_string(context);
1142 return krb5_data_copy(data,
1143 ntlm->response.sessionkey->data,
1144 ntlm->response.sessionkey->length);
1148 * Get the supported/allowed mechanism for this principal.
1150 * @param context A Keberos context.
1151 * @param realm The realm of the KDC.
1152 * @param ccache The credential cache to use when talking to the KDC.
1153 * @param flags The supported mechanism.
1155 * @return Return an error code or 0.
1157 * @ingroup krb5_digest
1161 krb5_digest_probe(krb5_context context,
1166 DigestReqInner ireq;
1167 DigestRepInner irep;
1168 krb5_error_code ret;
1170 memset(&ireq, 0, sizeof(ireq));
1171 memset(&irep, 0, sizeof(irep));
1173 ireq.element = choice_DigestReqInner_supportedMechs;
1175 ret = digest_request(context, realm, ccache,
1176 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
1180 if (irep.element == choice_DigestRepInner_error) {
1181 krb5_set_error_string(context, "Digest probe error: %s",
1182 irep.u.error.reason);
1183 ret = irep.u.error.code;
1187 if (irep.element != choice_DigestRepInner_supportedMechs) {
1188 krb5_set_error_string(context, "Digest reply not an probe");
1193 *flags = DigestTypes2int(irep.u.supportedMechs);
1196 free_DigestRepInner(&irep);