2 * tfcrypt -- high security Threefish encryption tool.
4 * tfcrypt is copyrighted:
5 * Copyright (C) 2012-2018 Andrey Rys. All rights reserved.
7 * tfcrypt is licensed to you under the terms of std. MIT/X11 license:
9 * Permission is hereby granted, free of charge, to any person obtaining
10 * a copy of this software and associated documentation files (the
11 * "Software"), to deal in the Software without restriction, including
12 * without limitation the rights to use, copy, modify, merge, publish,
13 * distribute, sublicense, and/or sell copies of the Software, and to
14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 static int getps_filter(struct getpasswd_state *getps, char chr, size_t pos)
34 getps->retn = ((size_t)-2);
40 static int getps_hex_filter(struct getpasswd_state *getps, char chr, size_t pos)
43 getps->retn = ((size_t)-2);
46 if (chr >= '0' && chr <= '9') return 1;
47 if (chr >= 'a' && chr <= 'f') return 1;
48 if (chr >= 'A' && chr <= 'F') return 1;
49 if (chr == '\x7f' || chr == '\x08'
50 || chr == '\x15' || chr == '\x17') return 1;
54 int main(int argc, char **argv)
58 char *s, *d, *t, *stoi;
61 progname = basename(argv[0]);
63 if (!isatty(2)) do_statline_dynamic = NO;
66 while ((c = getopt(argc, argv, "s:aU:C:r:K:t:TPkzxc:l:qedn:vV:pwE:O:S:AmM:R:Z:WHD:")) != -1) {
75 if (!strcasecmp(optarg, "show"))
76 counter_opt = TFC_CTR_SHOW;
77 else if (!strcasecmp(optarg, "head"))
78 counter_opt = TFC_CTR_HEAD;
79 else if (!strcasecmp(optarg, "rand"))
80 counter_opt = TFC_CTR_RAND;
81 else counter_file = sksum_hashlist_file = optarg;
84 if (!strcasecmp(optarg, "ctr"))
85 ctr_mode = TFC_MODE_CTR;
86 else if (!strcasecmp(optarg, "stream"))
87 ctr_mode = TFC_MODE_STREAM;
88 else if (!strcasecmp(optarg, "cbc"))
89 ctr_mode = TFC_MODE_CBC;
90 else if (!strcasecmp(optarg, "ecb"))
91 ctr_mode = TFC_MODE_ECB;
92 else if (!strcasecmp(optarg, "xts"))
93 ctr_mode = TFC_MODE_XTS;
94 else if (!strcasecmp(optarg, "ocb"))
95 ctr_mode = TFC_MODE_OCB;
96 else xerror(NO, YES, YES, "%s: invalid mode of operation", optarg);
99 do_edcrypt = TFC_DO_PLAIN;
101 ctr_mode = TFC_MODE_PLAIN;
104 do_edcrypt = TFC_DO_ENCRYPT;
107 do_edcrypt = TFC_DO_DECRYPT;
110 macbits = strtoul(optarg, &stoi, 10);
111 if (macbits == 0 || !str_empty(stoi) || macbits < 8
112 || macbits > TF_MAX_BITS || macbits % 8)
113 xerror(NO, YES, YES, "%s: invalid MAC bits setting", optarg);
116 nr_turns = sksum_turns = strtoul(optarg, &stoi, 10);
117 if (!str_empty(stoi)) xerror(NO, YES, YES, "%s: invalid number of turns", optarg);
120 if (!strcasecmp(optarg, "key"))
121 mackey_opt = TFC_MACKEY_RAWKEY;
122 else if (!strcasecmp(optarg, "pwd"))
123 mackey_opt = TFC_MACKEY_PASSWORD;
125 mackey_opt = TFC_MACKEY_FILE;
133 rawkey = TFC_RAWKEY_KEYFILE;
136 rawkey = TFC_RAWKEY_ASKSTR;
139 rawkey = TFC_RAWKEY_ASKHEX;
153 if (maxlen != NOFSIZE) break;
155 maxlen = tfc_humanfsize(optarg, &stoi);
156 if (!str_empty(stoi)) {
157 maxlen = tfc_fnamesize(optarg, YES);
158 maxlen = tfc_modifysize(maxlen, strchr(optarg, ':'));
159 if (maxlen == NOFSIZE) xerror(NO, YES, YES,
160 "%s: invalid count value", optarg);
162 else maxlen = tfc_modifysize(maxlen, strchr(optarg, ':'));
163 if (counter_opt == TFC_CTR_HEAD)
164 maxlen += TF_BLOCK_SIZE;
167 overwrite_source = YES;
170 if (!strcmp(optarg, "xall")) {
171 catch_all_errors = YES;
174 if (!strcmp(optarg, "xseek")) {
175 ignore_seek_errors = YES;
178 if (!strcmp(optarg, "exit"))
179 error_action = TFC_ERRACT_EXIT;
180 else if (!strncmp(optarg, "cont", 4))
181 error_action = TFC_ERRACT_CONT;
182 else if (!strcmp(optarg, "sync"))
183 error_action = TFC_ERRACT_SYNC;
184 else if (!strcmp(optarg, "lsync"))
185 error_action = TFC_ERRACT_LSYNC;
186 else xerror(NO, YES, YES, "invalid error action %s specified", optarg);
189 s = d = optarg; t = NULL;
190 while ((s = strtok_r(d, ",", &t))) {
192 if (!strcmp(s, "sync"))
193 write_flags |= O_SYNC;
194 else if (!strcmp(s, "trunc"))
195 write_flags |= O_TRUNC;
196 else if (!strcmp(s, "fsync"))
198 else if (!strcmp(s, "pad"))
200 else if (!strcmp(s, "xtime"))
201 do_preserve_time = YES;
202 else if (!strcmp(s, "gibsize"))
203 do_stats_in_gibs = YES;
204 else if (!strcmp(s, "plainstats"))
205 do_statline_dynamic = NO;
206 else if (!strcmp(s, "statless"))
208 else if (!strcmp(s, "norepeat"))
210 else if (!strncmp(s, "prompt", 6) && *(s+6) == '=')
212 else if (!strncmp(s, "macprompt", 9) && *(s+9) == '=')
213 mac_pw_prompt = s+10;
214 else if (!strcmp(s, "shorthex"))
215 do_full_hexdump = NO;
216 else if (!strncmp(s, "iobs", 4) && *(s+4) == '=') {
218 blksize = (size_t)tfc_humanfsize(s, &stoi);
219 if (!str_empty(stoi)) {
220 blksize = (size_t)tfc_fnamesize(s, YES);
221 blksize = (size_t)tfc_modifysize((tfc_fsize)blksize, strchr(s, ':'));
222 if (blksize == NOSIZE) xerror(NO, YES, YES,
223 "%s: invalid block size value", s);
225 else blksize = (size_t)tfc_modifysize((tfc_fsize)blksize, strchr(s, ':'));
226 if (blksize < TF_BLOCK_SIZE) xerror(NO, YES, YES,
227 "%s: block size is lesser than TF_BLOCK_SIZE (%u bytes)", s, TFC_U(TF_BLOCK_SIZE));
228 if (blksize > TFC_BLKSIZE) xerror(NO, YES, YES,
229 "%s: block size exceeds %u bytes",
230 s, TFC_U(TFC_BLKSIZE));
232 else if (!strncmp(s, "xtsblocks", 9) && *(s+9) == '=') {
234 xtsblocks = (size_t)tfc_humanfsize(s, &stoi);
235 if (!str_empty(stoi)) {
236 xtsblocks = (size_t)tfc_fnamesize(s, YES);
237 xtsblocks = (size_t)tfc_modifysize((tfc_fsize)xtsblocks, strchr(s, ':'));
238 if (xtsblocks == NOSIZE) xerror(NO, YES, YES,
239 "%s: invalid blocks per xts block value", s);
241 else xtsblocks = (size_t)tfc_modifysize((tfc_fsize)xtsblocks, strchr(s, ':'));
242 if (TFC_BLKSIZE % xtsblocks) xerror(NO, YES, YES,
243 "%s: nr of blocks per xts block is not round to %u bytes",
244 s, TFC_U(TFC_BLKSIZE));
245 if ((xtsblocks * TF_BLOCK_SIZE) > TFC_BLKSIZE) xerror(NO, YES, YES,
246 "%s: nr of blocks per xts block exceeds %u bytes",
247 s, TFC_U(TFC_BLKSIZE));
249 else if (!strncmp(s, "iseek", 5) && *(s+5) == '=') {
251 iseek = tfc_humanfsize(s, &stoi);
252 if (!str_empty(stoi)) {
253 iseek = tfc_fnamesize(s, YES);
254 iseek = tfc_modifysize(iseek, strchr(s, ':'));
255 if (iseek == NOFSIZE) xerror(NO, YES, YES,
256 "%s: invalid iseek value", s);
258 else iseek = tfc_modifysize(iseek, strchr(s, ':'));
259 if (ctr_mode != TFC_MODE_PLAIN && iseek % TF_BLOCK_SIZE)
261 "%s: not round to TF block size "
263 s, TFC_U(TF_BLOCK_SIZE));
264 iseek_blocks = iseek / TF_BLOCK_SIZE;
266 else if (!strncmp(s, "ixseek", 6) && *(s+6) == '=') {
268 iseek = tfc_humanfsize(s, &stoi);
269 if (!str_empty(stoi)) {
270 iseek = tfc_fnamesize(s, YES);
271 iseek = tfc_modifysize(iseek, strchr(s, ':'));
272 if (iseek == NOFSIZE) xerror(NO, YES, YES,
273 "%s: invalid ixseek value", s);
275 else iseek = tfc_modifysize(iseek, strchr(s, ':'));
277 else if (!strncmp(s, "ictr", 4) && *(s+4) == '=') {
279 iseek_blocks = tfc_humanfsize(s, &stoi);
280 if (!str_empty(stoi)) {
281 iseek_blocks = tfc_fnamesize(s, YES);
282 if (iseek_blocks == NOFSIZE)
284 "%s: invalid ictr value", s);
285 iseek_blocks /= TF_BLOCK_SIZE;
286 iseek_blocks = tfc_modifysize(iseek_blocks, strchr(s, ':'));
288 else iseek_blocks = tfc_modifysize(iseek_blocks, strchr(s, ':'));
290 else if (!strncmp(s, "ixctr", 5) && *(s+5) == '=') {
292 iseek_blocks = tfc_humanfsize(s, &stoi);
293 if (!str_empty(stoi)) {
294 iseek_blocks = tfc_fnamesize(s, YES);
295 iseek_blocks = tfc_modifysize(iseek_blocks, strchr(s, ':'));
296 if (iseek_blocks == NOFSIZE)
298 "%s: invalid ixctr value", s);
300 else iseek_blocks = tfc_modifysize(iseek_blocks, strchr(s, ':'));
301 if (iseek_blocks % TF_BLOCK_SIZE)
303 "%s: not round to TF block size "
304 "of %u bytes", s, TFC_U(TF_BLOCK_SIZE));
305 iseek_blocks /= TF_BLOCK_SIZE;
307 else if (!strncmp(s, "oseek", 5) && *(s+5) == '=') {
309 oseek = tfc_humanfsize(s, &stoi);
310 if (!str_empty(stoi)) {
311 oseek = tfc_fnamesize(s, YES);
312 oseek = tfc_modifysize(oseek, strchr(s, ':'));
313 if (oseek == NOFSIZE) xerror(NO, YES, YES,
314 "%s: invalid oseek value", s);
316 else oseek = tfc_modifysize(oseek, strchr(s, ':'));
318 else if (!strncmp(s, "count", 5) && *(s+5) == '=') {
320 maxlen = tfc_humanfsize(s, &stoi);
321 if (!str_empty(stoi)) {
322 maxlen = tfc_fnamesize(s, YES);
323 maxlen = tfc_modifysize(maxlen, strchr(s, ':'));
324 if (maxlen == NOFSIZE) xerror(NO, YES, YES,
325 "%s: invalid count value", s);
327 else maxlen = tfc_modifysize(maxlen, strchr(s, ':'));
328 if (counter_opt == TFC_CTR_HEAD)
329 maxlen += TF_BLOCK_SIZE;
331 else if (!strncmp(s, "xkey", 4) && *(s+4) == '=') {
333 maxkeylen = tfc_humanfsize(s, &stoi);
334 if (!str_empty(stoi)) {
335 maxkeylen = tfc_fnamesize(s, YES);
336 maxkeylen = tfc_modifysize(maxkeylen, strchr(s, ':'));
337 if (maxkeylen == NOSIZE)
339 "%s: invalid key length value", s);
341 else maxkeylen = tfc_modifysize(maxkeylen, strchr(s, ':'));
343 else if (!strncmp(s, "okey", 4) && *(s+4) == '=') {
345 keyoffset = tfc_humanfsize(s, &stoi);
346 if (!str_empty(stoi)) {
347 keyoffset = tfc_fnamesize(s, YES);
348 keyoffset = tfc_modifysize(keyoffset, strchr(s, ':'));
349 if (keyoffset == NOFSIZE)
351 "%s: invalid key offset value", s);
353 else keyoffset = tfc_modifysize(keyoffset, strchr(s, ':'));
355 else if (!strncmp(s, "xctr", 4) && *(s+4) == '=') {
357 ctrsz = tfc_humanfsize(s, &stoi);
358 if (!str_empty(stoi)) {
359 ctrsz = (size_t)tfc_fnamesize(s, YES);
360 ctrsz = (size_t)tfc_modifysize((tfc_fsize)ctrsz, strchr(s, ':'));
363 "%s: invalid counter length value", s);
365 else ctrsz = (size_t)tfc_modifysize((tfc_fsize)ctrsz, strchr(s, ':'));
366 if (ctrsz > TF_BLOCK_SIZE)
367 xerror(NO, YES, YES, "%s: counter size cannot exceed TF block size", s);
369 else xerror(NO, YES, YES, "invalid option %s", s);
373 do_mac = TFC_MAC_SIGN;
374 if (strcasecmp(optarg, "mac") != 0)
375 do_mac_file = optarg;
378 do_mac = TFC_MAC_VRFY;
379 if (!strcasecmp(optarg, "drop"))
380 do_mac = TFC_MAC_DROP;
381 else if (strcasecmp(optarg, "mac") != 0)
382 do_mac_file = optarg;
385 if (do_mac != TFC_MAC_VRFY)
386 xerror(NO, YES, YES, "signature source was not specified");
387 do_mac = TFC_MAC_JUST_VRFY;
391 if (maxlen != NOFSIZE) {
392 if (c == 'Z') genzero_nr_bytes = maxlen;
393 else genrandom_nr_bytes = maxlen;
397 if (!strcasecmp(optarg, "cbs"))
399 else if (!strcasecmp(optarg, "ks"))
400 t = TF_FROM_BITS(TFC_KEY_BITS);
401 else if (!strcasecmp(optarg, "xks"))
402 t = TF_FROM_BITS(TFC_KEY_BITS) * 2;
403 else if (!strcasecmp(optarg, "iobs"))
406 t = tfc_humanfsize(optarg, &stoi);
407 if (!str_empty(stoi)) {
408 t = tfc_fnamesize(optarg, NO);
409 t = tfc_modifysize(t, strchr(optarg, ':'));
411 else t = tfc_modifysize(t, strchr(optarg, ':'));
413 if (c == 'Z') genzero_nr_bytes = maxlen = t;
414 else genrandom_nr_bytes = maxlen = t;
418 do_preserve_time = YES;
421 do_outfmt = TFC_OUTFMT_B64;
424 do_outfmt = TFC_OUTFMT_RAW;
427 do_outfmt = TFC_OUTFMT_HEX;
438 td = strtod(optarg, &stoi);
439 status_timer = TFC_DTOUSECS(td);
440 if (status_timer <= TFC_DTOUSECS(0) || !str_empty(stoi)) status_timer = 0;
448 if (!strcmp(progname, "tfbench")) {
449 if (!*(argv+optind)) usage();
451 td = strtod(*(argv+optind), &stoi);
452 if (td <= TFC_DTOUSECS(0) || !str_empty(stoi))
454 "%s: invalid benchmark time in seconds", *(argv+optind));
455 bench_timer = TFC_DTOUSECS(td);
456 do_benchmark(bench_timer, td);
458 if (genrandom_nr_bytes) {
459 ctr_mode = TFC_MODE_STREAM;
460 do_edcrypt = TFC_DO_ENCRYPT;
461 gen_write_bytes(*(argv+optind), oseek, genrandom_nr_bytes);
463 if (genzero_nr_bytes) {
464 ctr_mode = TFC_MODE_PLAIN;
465 do_edcrypt = TFC_DO_PLAIN;
466 gen_write_bytes(*(argv+optind), oseek, genzero_nr_bytes);
469 if (rawkey && password)
470 xerror(NO, YES, YES, "Cannot use rawkey and hashing password!");
471 if (do_edcrypt == TFC_DO_ENCRYPT && do_mac >= TFC_MAC_VRFY)
472 xerror(NO, YES, YES, "Cannot encrypt and verify signature!");
473 if (do_edcrypt == TFC_DO_DECRYPT && do_mac == TFC_MAC_SIGN)
474 xerror(NO, YES, YES, "Cannot decrypt and calculate signature!");
475 if (do_edcrypt == TFC_DO_DECRYPT && counter_opt == TFC_CTR_RAND)
476 xerror(NO, YES, YES, "Cannot decrypt and embed a generated CTR into file!");
477 if (do_edcrypt == TFC_DO_ENCRYPT && counter_opt == TFC_CTR_HEAD)
478 xerror(NO, YES, YES, "Cannot encrypt and read CTR from source!");
479 if (overwrite_source && counter_opt == TFC_CTR_RAND)
480 xerror(NO, YES, YES, "Cannot embed a CTR into file when overwriting it!");
481 if (tweakf && do_tfcrypt1 == NO)
482 xerror(NO, YES, YES, "Use -T with -t tweakfile to enable old tfcrypt mode!");
483 if (ctr_mode == TFC_MODE_PLAIN
484 && (do_edcrypt || do_mac || rawkey
485 || mackey_opt || counter_opt || counter_file))
486 xerror(NO, YES, YES, "Encryption facility is disabled when in plain IO mode.");
494 memset(tfc_salt, 0, TFC_MAX_SALT);
496 if (!strcasecmp(saltf, "disable")) goto _nosalt;
498 if (!strcmp(saltf, "-")) saltfd = 0;
499 else saltfd = open(saltf, O_RDONLY | O_LARGEFILE);
500 if (saltfd == -1) xerror(NO, NO, YES, "%s", saltf);
501 lio = xread(saltfd, tfc_salt, TFC_MAX_SALT - TF_FROM_BITS(TFC_KEY_BITS));
502 if (lio == NOSIZE) xerror(NO, NO, YES, "%s", saltf);
508 if (mackey_opt == TFC_MACKEY_FILE && mackeyf) {
512 if (!strcmp(mackeyf, "-")) mkfd = 0;
513 else mkfd = open(mackeyf, O_RDONLY | O_LARGEFILE);
514 if (mkfd == -1) xerror(NO, NO, YES, "%s", mackeyf);
516 skein_init(&sk, TFC_KEY_BITS);
523 lrem = lblock = sizeof(tmpdata);
524 if (error_action == TFC_ERRACT_SYNC) rdpos = tfc_fdgetpos(mkfd);
525 _mkragain: lio = xread(mkfd, pblk, lrem);
526 if (lio == 0) do_stop = YES;
527 if (lio != NOSIZE) ldone += lio;
529 if (errno != EIO && catch_all_errors != YES)
530 xerror(NO, NO, NO, "%s", mackeyf);
531 switch (error_action) {
532 case TFC_ERRACT_CONT: xerror(YES, NO, NO, "%s", mackeyf); goto _mkragain; break;
533 case TFC_ERRACT_SYNC:
534 case TFC_ERRACT_LSYNC:
535 xerror(YES, NO, NO, "%s", mackeyf);
536 lio = ldone = lrem = lblock;
537 memset(tmpdata, 0, lio);
538 if (rdpos == NOFSIZE) lseek(mkfd, lio, SEEK_CUR);
539 else lseek(mkfd, rdpos + lio, SEEK_SET);
541 default: xerror(NO, NO, NO, "%s", mackeyf); break;
544 if (lio && lio < lrem) {
550 skein_update(&sk, tmpdata, ldone);
553 skein_final(mackey, &sk);
557 else if (mackey_opt == TFC_MACKEY_PASSWORD) {
558 memset(&getps, 0, sizeof(struct getpasswd_state));
559 getps.fd = getps.efd = -1;
560 getps.passwd = pwdask;
561 getps.pwlen = sizeof(pwdask)-1;
562 getps.echo = mac_pw_prompt ? mac_pw_prompt : "Enter MAC password: ";
563 getps.charfilter = getps_filter;
564 getps.maskchar = 'x';
565 getps.flags = GETP_WAITFILL;
566 n = xgetpasswd(&getps);
567 if (n == NOSIZE) xerror(NO, NO, YES, "getting MAC password");
568 if (n == ((size_t)-2)) xexit(1);
569 skein(mackey, TF_MAX_BITS, NULL, pwdask, n);
571 skein(tmpdata, TF_MAX_BITS, NULL, mackey, TF_FROM_BITS(TF_MAX_BITS));
572 xor_shrink(tmpdata+TF_FROM_BITS(TF_MAX_BITS), TF_SIZE_UNIT, tmpdata, TF_FROM_BITS(TF_MAX_BITS));
573 tfc_nfsay(stderr, "MAC password hint: ");
574 mehexdump(tmpdata+TF_FROM_BITS(TF_MAX_BITS), TF_SIZE_UNIT, TF_SIZE_UNIT, 1);
575 memset(tmpdata, 0, sizeof(tmpdata));
580 if ((strlen(progname) <= 9)
581 && ((!strcmp(progname, "sksum"))
582 || ((!memcmp(progname, "sk", 2))
583 && (!memcmp(progname+3, "sum", 3)
584 || !memcmp(progname+4, "sum", 3)
585 || !memcmp(progname+5, "sum", 3)
586 || !memcmp(progname+6, "sum", 3)))))
587 do_sksum(progname, argv+optind);
588 if (!strcmp(progname, "tfbase64")) do_edbase64(argv+optind);
593 if (password || rawkey > TFC_RAWKEY_KEYFILE) goto _nokeyfd;
594 if (!strcmp(argv[idx], "-")) kfd = 0;
595 else kfd = open(argv[idx], O_RDONLY | O_LARGEFILE);
596 if (kfd == -1) xerror(NO, NO, YES, "%s", argv[idx]);
598 lio = strnlen(argv[idx], PATH_MAX);
599 memset(argv[idx], '*', lio);
606 if (do_tfcrypt1 == YES && tweakf) {
609 if (!strcmp(tweakf, "-")) twfd = 0;
610 else twfd = open(tweakf, O_RDONLY | O_LARGEFILE);
611 if (twfd == -1) xerror(NO, NO, YES, "%s", tweakf);
612 lio = ldone = xread(twfd, key+TF_FROM_BITS(TF_MAX_BITS)+TF_SIZE_UNIT, 2*TF_SIZE_UNIT);
613 if (lio == NOSIZE) xerror(NO, NO, YES, "%s", tweakf);
614 if (ldone < 2*TF_SIZE_UNIT)
615 xerror(NO, NO, YES, "%s: %zu bytes tweak required", tweakf, 2*TF_SIZE_UNIT);
622 if (!strcmp(argv[idx], "-") && kfd) sfd = 0;
624 sfd = open(argv[idx], O_RDONLY | O_LARGEFILE);
625 if (do_preserve_time) if (fstat(sfd, &s_stat) == -1)
626 xerror(YES, NO, YES, "stat(%s)", argv[idx]);
628 if (sfd == -1) xerror(NO, NO, YES, "%s", argv[idx]);
630 if (do_edcrypt == TFC_DO_DECRYPT && do_mac != NO && maxlen != NOFSIZE) {
631 if (verbose) tfc_esay("%s: disabling signature verification on "
632 "requested partial decryption.", progname);
636 if ((do_mac >= TFC_MAC_VRFY || do_mac == TFC_MAC_DROP) && !do_mac_file) {
637 maxlen = tfc_fdsize(sfd);
638 if (maxlen == NOFSIZE)
640 "Cannot verify embedded MAC with non-seekable source!");
641 maxlen -= TF_FROM_BITS(macbits);
643 srcfname = argv[idx];
647 if (!do_mac_file && (do_mac >= TFC_MAC_VRFY && sfd == 0))
648 xerror(NO, YES, YES, "Cannot verify embedded MAC with non-seekable source!");
650 if (ctrsz == NOSIZE) ctrsz = TF_BLOCK_SIZE;
651 if (ctrsz > TF_BLOCK_SIZE) ctrsz = TF_BLOCK_SIZE;
653 if (ctr_mode == TFC_MODE_ECB) goto _ctrskip1;
658 if (!strcmp(counter_file, "-")) ctrfd = 0;
659 else ctrfd = open(counter_file, O_RDONLY | O_LARGEFILE);
660 if (ctrfd == -1) xerror(NO, NO, YES, "%s", counter_file);
661 lio = xread(ctrfd, ctr, ctrsz);
662 if (lio == NOSIZE) xerror(NO, NO, YES, "%s", counter_file);
663 if (lio < ctrsz) xerror(NO, YES, YES, "counter file is too small (%zu)!", lio);
666 else if (counter_opt == TFC_CTR_HEAD) {
669 lrem = lblock = ctrsz;
670 if (error_action == TFC_ERRACT_SYNC) rdpos = tfc_fdgetpos(sfd);
671 _ctrragain: lio = xread(sfd, pblk, lrem);
672 if (lio != NOSIZE) ldone += lio;
674 if (errno != EIO && catch_all_errors != YES)
675 xerror(NO, NO, NO, "%s", srcfname);
676 switch (error_action) {
677 case TFC_ERRACT_CONT: xerror(YES, NO, NO, "%s", srcfname); goto _ctrragain; break;
678 case TFC_ERRACT_SYNC:
679 case TFC_ERRACT_LSYNC:
680 xerror(YES, NO, NO, "%s", srcfname);
681 lio = ldone = lrem = lblock;
683 if (rdpos == NOFSIZE) lseek(sfd, lio, SEEK_CUR);
684 else lseek(sfd, rdpos + lio, SEEK_SET);
686 default: xerror(NO, NO, NO, "%s", srcfname); break;
689 if (lio && lio < lrem) {
694 total_processed_src += ldone;
699 if (counter_opt == TFC_CTR_HEAD && ctr_mode != TFC_MODE_ECB)
701 if (lseek(sfd, iseek, SEEK_SET) == -1)
702 xerror(ignore_seek_errors, NO, NO, "%s: seek failed", srcfname);
705 if (ctr_mode == TFC_MODE_PLAIN) goto _plain;
707 if (verbose) tfc_esay("%s: hashing password", progname);
709 if (rawkey == TFC_RAWKEY_KEYFILE) {
710 tfc_yesno xtskeyset = NO;
714 lrem = lblock = TF_FROM_BITS(TFC_KEY_BITS);
715 if (error_action == TFC_ERRACT_SYNC) rdpos = tfc_fdgetpos(kfd);
716 _keyragain: lio = xread(kfd, pblk, lrem);
717 if (lio != NOSIZE) ldone += lio;
719 if (errno != EIO && catch_all_errors != YES)
720 xerror(NO, NO, NO, "reading key");
721 switch (error_action) {
722 case TFC_ERRACT_CONT: xerror(YES, NO, NO, "reading key"); goto _keyragain; break;
723 case TFC_ERRACT_SYNC:
724 case TFC_ERRACT_LSYNC:
725 xerror(YES, NO, NO, "reading key");
726 lio = ldone = lrem = lblock;
728 if (rdpos == NOFSIZE) lseek(kfd, lio, SEEK_CUR);
729 else lseek(kfd, rdpos + lio, SEEK_SET);
731 default: xerror(NO, NO, NO, "reading key"); break;
734 if (lio && lio < lrem) {
739 if (ldone < lblock) xerror(NO, YES, YES, "rawkey too small! (%zu)", ldone);
741 if (ctr_mode == TFC_MODE_XTS) {
742 if (xtskeyset == NO) {
749 else if (rawkey == TFC_RAWKEY_ASKSTR) {
750 tfc_yesno xtskeyset = NO;
752 pblk = key; n = sizeof(key);
753 _xts2keyaskstr: memset(&getps, 0, sizeof(struct getpasswd_state));
754 getps.fd = getps.efd = -1;
755 getps.passwd = (char *)pblk;
757 getps.echo = pw_prompt ? pw_prompt : "Enter rawkey (str): ";
758 getps.charfilter = getps_filter;
759 getps.maskchar = 'x';
760 getps.flags = GETP_WAITFILL;
761 n = xgetpasswd(&getps);
762 if (n == NOSIZE) xerror(NO, NO, YES, "getting string rawkey");
763 if (n == ((size_t)-2)) xexit(1);
764 if (ctr_mode == TFC_MODE_XTS) {
765 if (xtskeyset == NO) {
766 pblk = xtskey; n = sizeof(xtskey);
772 else if (rawkey == TFC_RAWKEY_ASKHEX) {
773 tfc_yesno xtskeyset = NO;
777 memset(&getps, 0, sizeof(struct getpasswd_state));
778 getps.fd = getps.efd = -1;
779 getps.passwd = pwdask;
780 getps.pwlen = (TF_FROM_BITS(TFC_KEY_BITS)*2);
781 getps.echo = pw_prompt ? pw_prompt : "Enter rawkey (hex): ";
782 getps.charfilter = getps_hex_filter;
783 getps.maskchar = 'x';
784 getps.flags = GETP_WAITFILL;
785 n = xgetpasswd(&getps);
786 if (n == NOSIZE) xerror(NO, NO, YES, "getting hex rawkey");
787 if (n == ((size_t)-2)) xexit(1);
789 tfc_esay("Please input even number of hex digits!");
790 goto _rawkey_hex_again;
792 hex2bin(pblk, pwdask);
793 memset(pwdask, 0, sizeof(pwdask));
794 if (ctr_mode == TFC_MODE_XTS) {
795 if (xtskeyset == NO) {
798 goto _rawkey_hex_again;
803 _pwdagain: memset(&getps, 0, sizeof(struct getpasswd_state));
804 getps.fd = getps.efd = -1;
805 getps.passwd = pwdask;
806 getps.pwlen = sizeof(pwdask)-1;
807 getps.echo = pw_prompt ? pw_prompt : "Enter password: ";
808 getps.charfilter = getps_filter;
809 getps.maskchar = 'x';
810 getps.flags = GETP_WAITFILL;
811 n = xgetpasswd(&getps);
812 if (n == NOSIZE) xerror(NO, NO, YES, "getting password");
813 if (n == ((size_t)-2)) xexit(1);
814 if (do_edcrypt == TFC_DO_ENCRYPT && no_repeat == NO) {
815 getps.fd = getps.efd = -1;
816 getps.passwd = pwdagain;
817 getps.pwlen = sizeof(pwdagain)-1;
818 getps.echo = "Enter it again: ";
819 getps.flags = GETP_WAITFILL;
820 n = xgetpasswd(&getps);
821 if (n == NOSIZE) xerror(NO, NO, YES, "getting password again");
822 if (n == ((size_t)-2)) xexit(1);
823 if (strncmp(pwdask, pwdagain, sizeof(pwdagain)-1) != 0) {
824 tfc_esay("Passwords are different, try again");
828 skein(key, TFC_KEY_BITS, mackey_opt ? mackey : NULL, pwdask, n);
829 memset(pwdask, 0, sizeof(pwdask));
830 memset(pwdagain, 0, sizeof(pwdagain));
833 if (skeinfd(key, TFC_KEY_BITS, mackey_opt ? mackey : NULL, kfd, keyoffset, maxkeylen) != YES)
834 xerror(NO, NO, YES, "hashing key");
838 if (tfc_saltsz > 0) {
839 memcpy(tfc_salt+tfc_saltsz, key, TF_FROM_BITS(TFC_KEY_BITS));
840 skein(key, TFC_KEY_BITS, mackey_opt ? mackey : NULL, tfc_salt, tfc_saltsz+TF_FROM_BITS(TFC_KEY_BITS));
842 if (nr_turns > 1) for (x = 0; x < nr_turns; x++)
843 skein(key, TFC_KEY_BITS, mackey_opt ? mackey : NULL, key, TF_FROM_BITS(TFC_KEY_BITS));
844 memset(tfc_salt, 0, TFC_MAX_SALT);
847 if (ctr_mode == TFC_MODE_XTS && rawkey == NO) {
848 skein(xtskey, TF_NR_KEY_BITS, mackey_opt ? mackey : NULL, key, TF_FROM_BITS(TFC_KEY_BITS));
853 tfc_yesno xtskeyset = NO;
856 if (!strcmp(genkeyf, "-")) krfd = 1;
857 else krfd = open(genkeyf, O_WRONLY | O_CREAT | O_LARGEFILE | write_flags, 0666);
858 if (krfd == -1) xerror(NO, NO, YES, "%s", genkeyf);
859 _xts2genkey: if (xwrite(krfd, pblk, TF_FROM_BITS(TFC_KEY_BITS)) == NOSIZE) xerror(NO, NO, YES, "%s", genkeyf);
860 if (do_fsync && fsync(krfd) == -1) xerror(NO, NO, YES, "%s", genkeyf);
861 if (verbose && xtskeyset == NO) {
862 tfc_esay("%s: password hashing done", progname);
863 tfc_esay("%s: rawkey written to %s.", progname, genkeyf);
864 tfc_esay("%s: Have a nice day!", progname);
867 if (ctr_mode == TFC_MODE_XTS) {
868 if (xtskeyset == NO) {
880 if (iseek_blocks && (do_edcrypt == TFC_DO_DECRYPT && do_mac != NO)) {
881 if (verbose) tfc_esay("%s: disabling signature verification on "
882 "requested partial decryption.", progname);
887 if (mackey_opt == TFC_MACKEY_RAWKEY) skein(mackey, TF_MAX_BITS, key, key, TF_FROM_BITS(TFC_KEY_BITS));
888 if (ctr_mode < TFC_MODE_OCB) {
889 if (verbose) tfc_esay("%s: doing MAC calculation, processing speed "
890 "will be slower.", progname);
891 if (mackey_opt) skein_init_key(&sk, mackey, macbits);
892 else skein_init(&sk, macbits);
896 if (!counter_file && counter_opt <= TFC_CTR_SHOW && ctr_mode != TFC_MODE_ECB) {
897 skein(ctr, TF_TO_BITS(ctrsz), mackey_opt ? mackey : NULL, key, TF_FROM_BITS(TFC_KEY_BITS));
901 if (ctr_mode == TFC_MODE_XTS) tf_convkey(xtskey);
902 if (do_tfcrypt1 == YES) {
903 if (!tweakf) skein(key+TF_FROM_BITS(TF_MAX_BITS)+TF_SIZE_UNIT, 2*TF_UNIT_BITS, NULL, key, TF_FROM_BITS(TFC_KEY_BITS));
904 tf_key_tweak_compat(key);
906 if (ctr_mode == TFC_MODE_ECB) goto _ctrskip2;
907 tfc_data_to_words64(&iseek_blocks, sizeof(iseek_blocks));
908 tf_ctr_set(ctr, &iseek_blocks, sizeof(iseek_blocks));
910 if (ctr_mode == TFC_MODE_STREAM) tfe_init_iv(&tfe, key, ctr);
912 switch (counter_opt) {
915 case TFC_OUTFMT_B64: tfc_printbase64(stderr, ctr, ctrsz, YES); break;
916 case TFC_OUTFMT_RAW: xwrite(2, ctr, ctrsz); break;
917 case TFC_OUTFMT_HEX: mehexdump(ctr, ctrsz, ctrsz, YES); break;
920 case TFC_CTR_RAND: tfc_getrandom(ctr, ctrsz); break;
928 if (verbose) tfc_esay("%s: password hashing done", progname);
930 if (overwrite_source && srcfname) argv[idx] = srcfname;
934 if (!strcmp(argv[idx], "-")) dfd = 1;
935 else dfd = open(argv[idx], O_RDWR | O_LARGEFILE | write_flags, 0666);
937 dfd = open(argv[idx], O_WRONLY | O_CREAT | O_LARGEFILE | write_flags, 0666);
938 if (dfd == -1) xerror(NO, NO, YES, "%s", argv[idx]);
940 dstfname = argv[idx];
945 if (lseek(dfd, oseek, SEEK_SET) == -1)
946 xerror(ignore_seek_errors, NO, NO, "%s: seek failed", dstfname);
949 for (x = 1; x < NSIG; x++) signal(x, SIG_IGN);
950 memset(&sigact, 0, sizeof(sigact));
951 sigact.sa_flags = SA_RESTART;
952 sigact.sa_handler = print_crypt_status;
953 sigaction(SIGUSR1, &sigact, NULL);
954 sigaction(SIGTSTP, &sigact, NULL);
955 sigaction(SIGALRM, &sigact, NULL);
956 if (status_timer) setup_next_alarm(status_timer);
957 sigact.sa_handler = change_status_width;
958 sigaction(SIGQUIT, &sigact, NULL);
959 sigact.sa_handler = change_status_timer;
960 sigaction(SIGUSR2, &sigact, NULL);
962 sigact.sa_handler = print_crypt_status;
963 sigaction(SIGINT, &sigact, NULL);
964 sigaction(SIGTERM, &sigact, NULL);
967 sigact.sa_handler = exit_sigterm;
968 sigaction(SIGINT, &sigact, NULL);
969 sigaction(SIGTERM, &sigact, NULL);
971 memset(&sigact, 0, sizeof(struct sigaction));
973 tfc_getcurtime(&delta_time);
976 if (counter_opt == TFC_CTR_RAND && ctr_mode != TFC_MODE_ECB) {
980 _ctrwagain: lio = xwrite(dfd, pblk, lrem);
981 if (lio != NOSIZE) ldone += lio;
982 else xerror(NO, NO, NO, "%s", dstfname);
983 if (do_fsync && fsync(dfd) == -1) xerror(NO, NO, NO, "%s", dstfname);
989 total_processed_dst += ldone;
990 delta_processed += ldone;
999 lrem = lblock = blk_len_adj(maxlen, total_processed_src, blksize);
1000 if (error_action == TFC_ERRACT_SYNC) rdpos = tfc_fdgetpos(sfd);
1001 _ragain: lio = xread(sfd, pblk, lrem);
1002 if (lio == 0) do_stop = TFC_STOP_BEGAN;
1003 if (lio != NOSIZE) ldone += lio;
1005 if (errno != EIO && catch_all_errors != YES)
1006 xerror(NO, NO, NO, "%s", srcfname);
1007 switch (error_action) {
1008 case TFC_ERRACT_CONT: xerror(YES, NO, NO, "%s", srcfname); goto _ragain; break;
1009 case TFC_ERRACT_SYNC:
1010 case TFC_ERRACT_LSYNC:
1011 xerror(YES, NO, NO, "%s", srcfname);
1012 lio = ldone = lrem = lblock;
1013 memset(srcblk, 0, lio);
1014 if (rdpos == NOFSIZE) lseek(sfd, lio, SEEK_CUR);
1015 else lseek(sfd, rdpos + lio, SEEK_SET);
1017 default: xerror(NO, NO, NO, "%s", srcfname); break;
1020 if (lio && lio < lrem) {
1025 total_processed_src += ldone;
1027 if (do_pad && (ldone % TF_BLOCK_SIZE)) {
1028 size_t orig = ldone;
1029 ldone += (TF_BLOCK_SIZE - (ldone % TF_BLOCK_SIZE));
1030 if (ldone > blksize) ldone = blksize;
1031 memset(srcblk+orig, 0, sizeof(srcblk)-orig);
1034 if (do_mac == TFC_MAC_SIGN && ctr_mode < TFC_MODE_OCB)
1035 skein_update(&sk, srcblk, ldone);
1037 if (ctr_mode == TFC_MODE_CTR) tf_ctr_crypt(key, ctr, dstblk, srcblk, ldone);
1038 else if (ctr_mode == TFC_MODE_STREAM) tf_stream_crypt(&tfe, dstblk, srcblk, ldone);
1039 else if (ctr_mode == TFC_MODE_XTS && do_edcrypt == TFC_DO_ENCRYPT)
1040 tf_xts_encrypt(key, xtskey, ctr, dstblk, srcblk, ldone, xtsblocks);
1041 else if (ctr_mode == TFC_MODE_XTS && do_edcrypt == TFC_DO_DECRYPT)
1042 tf_xts_decrypt(key, xtskey, ctr, dstblk, srcblk, ldone, xtsblocks);
1043 else if (ctr_mode == TFC_MODE_ECB && do_edcrypt == TFC_DO_ENCRYPT)
1044 tf_ecb_encrypt(key, dstblk, srcblk, ldone);
1045 else if (ctr_mode == TFC_MODE_ECB && do_edcrypt == TFC_DO_DECRYPT)
1046 tf_ecb_decrypt(key, dstblk, srcblk, ldone);
1047 else if (ctr_mode == TFC_MODE_CBC && do_edcrypt == TFC_DO_ENCRYPT)
1048 tf_cbc_encrypt(key, ctr, dstblk, srcblk, ldone);
1049 else if (ctr_mode == TFC_MODE_CBC && do_edcrypt == TFC_DO_DECRYPT)
1050 tf_cbc_decrypt(key, ctr, dstblk, srcblk, ldone);
1052 else if (ctr_mode == TFC_MODE_OCB && do_edcrypt == TFC_DO_ENCRYPT)
1053 tf_ocb_encrypt(key, ctr, dstblk, do_mac == TFC_MAC_SIGN ? macresult : NULL, srcblk, ldone, xtsblocks);
1054 else if (ctr_mode == TFC_MODE_OCB && do_edcrypt == TFC_DO_DECRYPT)
1055 tf_ocb_decrypt(key, ctr, dstblk, do_mac >= TFC_MAC_VRFY ? macresult : NULL, srcblk, ldone, xtsblocks);
1057 else if (ctr_mode == TFC_MODE_PLAIN)
1058 memcpy(dstblk, srcblk, ldone);
1060 if (do_mac >= TFC_MAC_VRFY && ctr_mode < TFC_MODE_OCB)
1061 skein_update(&sk, dstblk, ldone);
1062 if (do_mac == TFC_MAC_JUST_VRFY) goto _nowrite;
1067 _wagain: lio = xwrite(dfd, pblk, lrem);
1068 if (lio != NOSIZE) ldone += lio;
1069 else xerror(NO, NO, NO, "%s", dstfname);
1070 if (do_fsync && fsync(dfd) == -1) xerror(NO, NO, NO, "%s", dstfname);
1076 _nowrite: total_processed_dst += ldone;
1077 delta_processed += ldone;
1079 if (maxlen != NOFSIZE && total_processed_src >= maxlen) break;
1082 if (do_stop == TFC_STOP_FULL) goto _nomac;
1085 if (do_mac >= TFC_MAC_VRFY) {
1089 lrem = lblock = TF_FROM_BITS(macbits);
1090 if (error_action == TFC_ERRACT_SYNC) rdpos = tfc_fdgetpos(sfd);
1091 _macragain: lio = xread(sfd, pblk, lrem);
1092 if (lio != NOSIZE) ldone += lio;
1094 if (errno != EIO && catch_all_errors != YES)
1095 xerror(NO, NO, NO, "%s", srcfname);
1096 switch (error_action) {
1097 case TFC_ERRACT_CONT: xerror(YES, NO, NO, "%s", srcfname); goto _macragain; break;
1098 case TFC_ERRACT_SYNC:
1099 case TFC_ERRACT_LSYNC:
1100 xerror(YES, NO, NO, "%s", srcfname);
1101 lio = ldone = lrem = lblock;
1102 memset(macvrfy, 0, lio);
1103 if (rdpos == NOFSIZE) lseek(sfd, lio, SEEK_CUR);
1104 else lseek(sfd, rdpos + lio, SEEK_SET);
1106 default: xerror(NO, NO, NO, "%s", srcfname); break;
1109 if (lio && lio < lrem) {
1114 total_processed_src += ldone;
1119 if (!strcmp(do_mac_file, "-")) mfd = 0;
1120 else mfd = open(do_mac_file, O_RDONLY | O_LARGEFILE);
1121 if (mfd == -1) xerror(YES, NO, NO, "%s", do_mac_file);
1122 lio = ldone = xread(mfd, tmpdata, sizeof(tmpdata));
1123 if (lio == NOSIZE) xerror(NO, NO, YES, "%s", do_mac_file);
1124 if (!memcmp(tmpdata, TFC_ASCII_TFC_MAC_FOURCC, TFC_ASCII_TFC_MAC_FOURCC_LEN)) {
1125 memmove(tmpdata, tmpdata+TFC_ASCII_TFC_MAC_FOURCC_LEN,
1126 sizeof(tmpdata)-TFC_ASCII_TFC_MAC_FOURCC_LEN);
1127 lio = TF_FROM_BITS(macbits);
1128 base64_decode((char *)macvrfy, lio, (char *)tmpdata, sizeof(tmpdata));
1130 else memcpy(macvrfy, tmpdata, TF_FROM_BITS(macbits));
1134 if (ldone < TF_FROM_BITS(macbits)) {
1135 if (quiet == NO) tfc_esay("%s: short signature (%zu), "
1136 "not verifying", progname, ldone);
1141 if (ctr_mode < TFC_MODE_OCB) skein_final(macresult, &sk);
1142 else skein(macresult, macbits, mackey, macresult, TF_FROM_BITS(macbits));
1144 if (ctr_mode == TFC_MODE_CTR) tf_ctr_crypt(key, ctr, tmpdata, macvrfy, TF_FROM_BITS(macbits));
1145 else if (ctr_mode == TFC_MODE_STREAM) tf_stream_crypt(&tfe, tmpdata, macvrfy, TF_FROM_BITS(macbits));
1146 else if (ctr_mode == TFC_MODE_XTS) tf_xts_decrypt(key, xtskey, ctr, tmpdata, macvrfy, TF_FROM_BITS(macbits), xtsblocks);
1147 else if (ctr_mode == TFC_MODE_ECB) tf_ecb_decrypt(key, tmpdata, macvrfy, TF_FROM_BITS(macbits));
1148 else if (ctr_mode == TFC_MODE_CBC) tf_cbc_decrypt(key, ctr, tmpdata, macvrfy, TF_FROM_BITS(macbits));
1149 else if (ctr_mode == TFC_MODE_OCB) tf_ocb_decrypt(key, ctr, tmpdata, NULL, macvrfy, TF_FROM_BITS(macbits), xtsblocks);
1151 if (!memcmp(tmpdata, macresult, TF_FROM_BITS(macbits))) {
1153 tfc_esay("%s: signature is good", progname);
1155 if (do_outfmt == TFC_OUTFMT_B64) tfc_printbase64(stderr, macresult, TF_FROM_BITS(macbits), YES);
1156 else mehexdump(macresult, TF_FROM_BITS(macbits), TF_FROM_BITS(macbits), YES);
1161 if (quiet == NO) tfc_esay("%s: signature is BAD: "
1162 "wrong password, key, mode, or file is not signed", progname);
1166 _shortmac: memset(macvrfy, 0, sizeof(macvrfy));
1167 memset(macresult, 0, sizeof(macresult));
1168 memset(tmpdata, 0, sizeof(tmpdata));
1171 else if (do_mac == TFC_MAC_SIGN) {
1172 if (ctr_mode < TFC_MODE_OCB) skein_final(macresult, &sk);
1173 else skein(macresult, macbits, mackey, macresult, TF_FROM_BITS(macbits));
1175 if (ctr_mode == TFC_MODE_CTR) tf_ctr_crypt(key, ctr, tmpdata, macresult, TF_FROM_BITS(macbits));
1176 else if (ctr_mode == TFC_MODE_STREAM) tf_stream_crypt(&tfe, tmpdata, macresult, TF_FROM_BITS(macbits));
1177 else if (ctr_mode == TFC_MODE_XTS) tf_xts_encrypt(key, xtskey, ctr, tmpdata, macresult, TF_FROM_BITS(macbits), xtsblocks);
1178 else if (ctr_mode == TFC_MODE_ECB) tf_ecb_encrypt(key, tmpdata, macresult, TF_FROM_BITS(macbits));
1179 else if (ctr_mode == TFC_MODE_CBC) tf_cbc_encrypt(key, ctr, tmpdata, macresult, TF_FROM_BITS(macbits));
1180 else if (ctr_mode == TFC_MODE_OCB) tf_ocb_encrypt(key, ctr, tmpdata, NULL, macresult, TF_FROM_BITS(macbits), xtsblocks);
1181 memset(macresult, 0, sizeof(macresult));
1185 lio = lrem = TF_FROM_BITS(macbits);
1187 _macwagain: lio = xwrite(dfd, pblk, lrem);
1188 if (lio != NOSIZE) ldone += lio;
1189 else xerror(NO, NO, NO, "%s", dstfname);
1190 if (do_fsync && fsync(dfd) == -1) xerror(NO, NO, NO, "%s", dstfname);
1196 total_processed_dst += ldone;
1197 delta_processed += ldone;
1202 if (!strcmp(do_mac_file, "-")) mfd = 1;
1203 else mfd = open(do_mac_file, O_WRONLY | O_CREAT | O_LARGEFILE | write_flags, 0666);
1204 if (mfd == -1) xerror(YES, NO, NO, "%s", do_mac_file);
1205 if (do_outfmt == TFC_OUTFMT_B64) {
1206 memcpy(macvrfy, tmpdata, TF_FROM_BITS(macbits));
1207 memset(tmpdata, 0, TFC_TMPSIZE);
1208 memcpy(tmpdata, TFC_ASCII_TFC_MAC_FOURCC, TFC_ASCII_TFC_MAC_FOURCC_LEN);
1209 base64_encode((char *)tmpdata+TFC_ASCII_TFC_MAC_FOURCC_LEN, (char *)macvrfy, TF_FROM_BITS(macbits));
1210 lrem = strnlen((char *)tmpdata, sizeof(tmpdata));
1212 tmpdata[lrem] = '\n';
1215 lio = xwrite(mfd, tmpdata, lrem);
1217 else lio = xwrite(mfd, tmpdata, TF_FROM_BITS(macbits));
1218 if (lio == NOSIZE) xerror(NO, NO, YES, "%s", do_mac_file);
1219 if (do_fsync && fsync(mfd) == -1) xerror(NO, NO, YES, "%s", do_mac_file);
1223 memset(macvrfy, 0, sizeof(macvrfy));
1224 memset(macresult, 0, sizeof(macresult));
1225 memset(tmpdata, 0, sizeof(tmpdata));
1229 if (verbose || status_timer || do_stop == TFC_STOP_FULL) print_crypt_status(0);
1231 if (do_preserve_time) fcopy_matime(dfd, &s_stat);