Commit | Line | Data |
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d03ab969 | 1 | /* -*-c-*- |
2 | * | |
d03ab969 | 3 | * Simple key manager program |
4 | * | |
252c122d | 5 | * (c) 1999 Straylight/Edgeware |
d03ab969 | 6 | */ |
7 | ||
45c0fd36 | 8 | /*----- Licensing notice --------------------------------------------------* |
d03ab969 | 9 | * |
10 | * This file is part of Catacomb. | |
11 | * | |
12 | * Catacomb is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU Library General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of the | |
15 | * License, or (at your option) any later version. | |
45c0fd36 | 16 | * |
d03ab969 | 17 | * Catacomb is distributed in the hope that it will be useful, |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU Library General Public License for more details. | |
45c0fd36 | 21 | * |
d03ab969 | 22 | * You should have received a copy of the GNU Library General Public |
23 | * License along with Catacomb; if not, write to the Free | |
24 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
25 | * MA 02111-1307, USA. | |
26 | */ | |
27 | ||
d03ab969 | 28 | /*----- Header files ------------------------------------------------------*/ |
29 | ||
cd6eca43 MW |
30 | #define _FILE_OFFSET_BITS 64 |
31 | ||
d03ab969 | 32 | #include "config.h" |
33 | ||
58507325 | 34 | #include <ctype.h> |
d03ab969 | 35 | #include <errno.h> |
36 | #include <stdio.h> | |
37 | #include <stdlib.h> | |
38 | #include <string.h> | |
39 | #include <time.h> | |
40 | ||
2b4be81b | 41 | #include <mLib/codec.h> |
252c122d | 42 | #include <mLib/base64.h> |
d03ab969 | 43 | #include <mLib/mdwopt.h> |
44 | #include <mLib/quis.h> | |
45 | #include <mLib/report.h> | |
46 | #include <mLib/sub.h> | |
47 | ||
48 | #include <noise.h> | |
49 | #include <rand.h> | |
50 | ||
3688eb75 | 51 | #include "bintab.h" |
252c122d | 52 | #include "bbs.h" |
052b36d0 | 53 | #include "dh.h" |
252c122d | 54 | #include "dsa.h" |
34e4f738 | 55 | #include "dsarand.h" |
1ba83484 | 56 | #include "ec.h" |
57 | #include "ec-keys.h" | |
58 | #include "ectab.h" | |
252c122d | 59 | #include "fibrand.h" |
d03ab969 | 60 | #include "getdate.h" |
3688eb75 | 61 | #include "gfreduce.h" |
d03ab969 | 62 | #include "key.h" |
252c122d | 63 | #include "mp.h" |
64 | #include "mpmont.h" | |
65 | #include "mprand.h" | |
66 | #include "mptext.h" | |
67 | #include "pgen.h" | |
3563e365 | 68 | #include "ptab.h" |
252c122d | 69 | #include "rsa.h" |
d03ab969 | 70 | |
c65df279 | 71 | #include "cc.h" |
34e4f738 | 72 | #include "sha-mgf.h" |
73 | #include "sha256-mgf.h" | |
74 | #include "sha224-mgf.h" | |
75 | #include "sha384-mgf.h" | |
76 | #include "sha512-mgf.h" | |
77 | #include "tiger-mgf.h" | |
78 | #include "rmd128-mgf.h" | |
79 | #include "rmd160-mgf.h" | |
80 | #include "rmd256-mgf.h" | |
81 | #include "rmd320-mgf.h" | |
82 | #include "md5-mgf.h" | |
83 | #include "dsarand.h" | |
84 | ||
d03ab969 | 85 | /*----- Handy global state ------------------------------------------------*/ |
86 | ||
87 | static const char *keyfile = "keyring"; | |
88 | ||
89 | /*----- Useful shared functions -------------------------------------------*/ | |
90 | ||
91 | /* --- @doopen@ --- * | |
92 | * | |
93 | * Arguments: @key_file *f@ = pointer to key file block | |
94 | * @unsigned how@ = method to open file with | |
95 | * | |
96 | * Returns: --- | |
97 | * | |
98 | * Use: Opens a key file and handles errors by panicking | |
99 | * appropriately. | |
100 | */ | |
101 | ||
102 | static void doopen(key_file *f, unsigned how) | |
103 | { | |
204607bd MW |
104 | if (key_open(f, keyfile, how, key_moan, 0)){ |
105 | die(EXIT_FAILURE, "couldn't open keyring `%s': %s", | |
106 | keyfile, strerror(errno)); | |
107 | } | |
d03ab969 | 108 | } |
109 | ||
110 | /* --- @doclose@ --- * | |
111 | * | |
112 | * Arguments: @key_file *f@ = pointer to key file block | |
113 | * | |
114 | * Returns: --- | |
115 | * | |
116 | * Use: Closes a key file and handles errors by panicking | |
117 | * appropriately. | |
118 | */ | |
119 | ||
120 | static void doclose(key_file *f) | |
121 | { | |
122 | switch (key_close(f)) { | |
123 | case KWRITE_FAIL: | |
124 | die(EXIT_FAILURE, "couldn't write file `%s': %s", | |
125 | keyfile, strerror(errno)); | |
126 | case KWRITE_BROKEN: | |
127 | die(EXIT_FAILURE, "keyring file `%s' broken: %s (repair manually)", | |
128 | keyfile, strerror(errno)); | |
129 | } | |
130 | } | |
131 | ||
132 | /* --- @setattr@ --- * | |
133 | * | |
134 | * Arguments: @key_file *f@ = pointer to key file block | |
135 | * @key *k@ = pointer to key block | |
136 | * @char *v[]@ = array of assignments (overwritten!) | |
137 | * | |
138 | * Returns: --- | |
139 | * | |
140 | * Use: Applies the attribute assignments to the key. | |
141 | */ | |
142 | ||
143 | static void setattr(key_file *f, key *k, char *v[]) | |
144 | { | |
145 | while (*v) { | |
252c122d | 146 | int err; |
d03ab969 | 147 | char *p = *v; |
148 | size_t eq = strcspn(p, "="); | |
72f13799 | 149 | if (!p[eq]) { |
150 | moan("invalid assignment: `%s' (ignored)", p); | |
151 | v++; | |
152 | continue; | |
153 | } | |
d03ab969 | 154 | p[eq] = 0; |
155 | p += eq + 1; | |
252c122d | 156 | if ((err = key_putattr(f, k, *v, *p ? p : 0)) != 0) |
157 | die(EXIT_FAILURE, "couldn't set attributes: %s", key_strerror(err)); | |
d03ab969 | 158 | v++; |
159 | } | |
160 | } | |
161 | ||
34e4f738 | 162 | /*----- Seeding -----------------------------------------------------------*/ |
163 | ||
164 | const struct seedalg { const char *p; grand *(*gen)(const void *, size_t); } | |
165 | seedtab[] = { | |
45c0fd36 MW |
166 | { "dsarand", dsarand_create }, |
167 | { "rmd128-mgf", rmd128_mgfrand }, | |
168 | { "rmd160-mgf", rmd160_mgfrand }, | |
169 | { "rmd256-mgf", rmd256_mgfrand }, | |
170 | { "rmd320-mgf", rmd320_mgfrand }, | |
171 | { "sha-mgf", sha_mgfrand }, | |
172 | { "sha224-mgf", sha224_mgfrand }, | |
173 | { "sha256-mgf", sha256_mgfrand }, | |
174 | { "sha384-mgf", sha384_mgfrand }, | |
175 | { "sha512-mgf", sha512_mgfrand }, | |
176 | { "tiger-mgf", tiger_mgfrand }, | |
34e4f738 | 177 | { 0, 0 } |
178 | }; | |
179 | ||
180 | #define SEEDALG_DEFAULT (seedtab + 2) | |
181 | ||
252c122d | 182 | /*----- Key generation ----------------------------------------------------*/ |
183 | ||
184 | /* --- Key generation parameters --- */ | |
185 | ||
186 | typedef struct keyopts { | |
187 | key_file *kf; /* Pointer to key file */ | |
188 | key *k; /* Pointer to the actual key */ | |
189 | dstr tag; /* Full tag name for the key */ | |
190 | unsigned f; /* Flags for the new key */ | |
191 | unsigned bits, qbits; /* Bit length for the new key */ | |
1ba83484 | 192 | const char *curve; /* Elliptic curve name/info */ |
34e4f738 | 193 | grand *r; /* Random number source */ |
252c122d | 194 | key *p; /* Parameters key-data */ |
195 | } keyopts; | |
196 | ||
16efd15b | 197 | #define f_bogus 1u /* Error in parsing */ |
198 | #define f_lock 2u /* Passphrase-lock private key */ | |
199 | #define f_quiet 4u /* Don't show a progress indicator */ | |
200 | #define f_limlee 8u /* Generate Lim-Lee primes */ | |
201 | #define f_subgroup 16u /* Generate a subgroup */ | |
ce70ec47 | 202 | #define f_retag 32u /* Remove any existing tag */ |
4e67e30b | 203 | #define f_kcdsa 64u /* Generate KCDSA primes */ |
252c122d | 204 | |
205 | /* --- @dolock@ --- * | |
206 | * | |
207 | * Arguments: @keyopts *k@ = key generation options | |
ef13e9a4 | 208 | * @key_data **kd@ = pointer to key data to lock |
252c122d | 209 | * @const char *t@ = tag suffix or null |
210 | * | |
211 | * Returns: --- | |
212 | * | |
213 | * Use: Does passphrase locking on new keys. | |
214 | */ | |
215 | ||
ef13e9a4 | 216 | static void dolock(keyopts *k, key_data **kd, const char *t) |
252c122d | 217 | { |
218 | if (!(k->f & f_lock)) | |
219 | return; | |
220 | if (t) | |
221 | dstr_putf(&k->tag, ".%s", t); | |
ef13e9a4 | 222 | if (key_plock(kd, 0, k->tag.buf)) |
252c122d | 223 | die(EXIT_FAILURE, "couldn't lock key"); |
224 | } | |
225 | ||
252c122d | 226 | /* --- @copyparam@ --- * |
227 | * | |
228 | * Arguments: @keyopts *k@ = pointer to key options | |
229 | * @const char **pp@ = checklist of parameters | |
230 | * | |
231 | * Returns: Nonzero if parameters copied; zero if you have to generate | |
232 | * them. | |
233 | * | |
234 | * Use: Copies parameters from a source key to the current one. | |
235 | */ | |
236 | ||
237 | static int copyparam(keyopts *k, const char **pp) | |
238 | { | |
239 | key_filter kf; | |
4739c68a | 240 | key_attriter i; |
9eef0c14 | 241 | key_data *kd; |
4739c68a | 242 | const char *n, *v; |
252c122d | 243 | |
9eef0c14 MW |
244 | kf.f = KCAT_SHARE; |
245 | kf.m = KF_CATMASK; | |
246 | ||
252c122d | 247 | /* --- Quick check if no parameters supplied --- */ |
248 | ||
249 | if (!k->p) | |
250 | return (0); | |
251 | ||
252 | /* --- Run through the checklist --- */ | |
253 | ||
254 | while (*pp) { | |
ef13e9a4 | 255 | key_data *kd = key_structfind(k->p->k, *pp); |
252c122d | 256 | if (!kd) |
257 | die(EXIT_FAILURE, "bad parameter key: parameter `%s' not found", *pp); | |
9eef0c14 | 258 | if (!KEY_MATCH(kd, &kf)) |
252c122d | 259 | die(EXIT_FAILURE, "bad parameter key: subkey `%s' is not shared", *pp); |
260 | pp++; | |
261 | } | |
262 | ||
263 | /* --- Copy over the parameters --- */ | |
264 | ||
9eef0c14 MW |
265 | kd = key_copydata(k->p->k, &kf); |
266 | assert(kd); | |
267 | key_setkeydata(k->kf, k->k, kd); | |
268 | key_drop(kd); | |
4739c68a | 269 | |
270 | /* --- Copy over attributes --- */ | |
271 | ||
272 | for (key_mkattriter(&i, k->p); key_nextattr(&i, &n, &v); ) | |
273 | key_putattr(k->kf, k->k, n, v); | |
274 | ||
275 | /* --- Done --- */ | |
276 | ||
252c122d | 277 | return (1); |
278 | } | |
279 | ||
280 | /* --- @getmp@ --- * | |
281 | * | |
282 | * Arguments: @key_data *k@ = pointer to key data block | |
283 | * @const char *tag@ = tag string to use | |
284 | * | |
285 | * Returns: Pointer to multiprecision integer key item. | |
286 | * | |
287 | * Use: Fetches an MP key component. | |
288 | */ | |
289 | ||
290 | static mp *getmp(key_data *k, const char *tag) | |
291 | { | |
292 | k = key_structfind(k, tag); | |
293 | if (!k) | |
294 | die(EXIT_FAILURE, "unexpected failure looking up subkey `%s'", tag); | |
295 | if ((k->e & KF_ENCMASK) != KENC_MP) | |
9b1663a5 | 296 | die(EXIT_FAILURE, "subkey `%s' has an incompatible type", tag); |
252c122d | 297 | return (k->u.m); |
298 | } | |
299 | ||
052b36d0 | 300 | /* --- @keyrand@ --- * |
301 | * | |
302 | * Arguments: @key_file *kf@ = pointer to key file | |
303 | * @const char *id@ = pointer to key id (or null) | |
304 | * | |
305 | * Returns: --- | |
306 | * | |
307 | * Use: Keys the random number generator. | |
308 | */ | |
309 | ||
310 | static void keyrand(key_file *kf, const char *id) | |
311 | { | |
312 | key *k; | |
313 | ||
314 | /* --- Find the key --- */ | |
315 | ||
316 | if (id) { | |
317 | if ((k = key_bytag(kf, id)) == 0) | |
318 | die(EXIT_FAILURE, "key `%s' not found", id); | |
319 | } else | |
320 | k = key_bytype(kf, "catacomb-rand"); | |
321 | ||
322 | if (k) { | |
ef13e9a4 | 323 | key_data *kd = k->k, *kkd; |
324 | key_incref(kd); | |
052b36d0 | 325 | |
326 | again: | |
327 | switch (kd->e & KF_ENCMASK) { | |
328 | case KENC_BINARY: | |
329 | break; | |
330 | case KENC_ENCRYPT: { | |
331 | dstr d = DSTR_INIT; | |
332 | key_fulltag(k, &d); | |
ef13e9a4 | 333 | if (key_punlock(&kkd, kd, d.buf)) |
052b36d0 | 334 | die(EXIT_FAILURE, "error unlocking key `%s'", d.buf); |
335 | dstr_destroy(&d); | |
ef13e9a4 | 336 | key_drop(kd); |
337 | kd = kkd; | |
052b36d0 | 338 | } goto again; |
339 | default: { | |
340 | dstr d = DSTR_INIT; | |
341 | key_fulltag(k, &d); | |
342 | die(EXIT_FAILURE, "bad encoding type for key `%s'", d.buf); | |
343 | } break; | |
344 | } | |
345 | ||
346 | /* --- Key the generator --- */ | |
347 | ||
348 | rand_key(RAND_GLOBAL, kd->u.k.k, kd->u.k.sz); | |
ef13e9a4 | 349 | key_drop(kd); |
052b36d0 | 350 | } |
351 | } | |
352 | ||
252c122d | 353 | /* --- Key generation algorithms --- */ |
354 | ||
355 | static void alg_binary(keyopts *k) | |
356 | { | |
357 | unsigned sz; | |
358 | unsigned m; | |
ef13e9a4 | 359 | key_data *kd; |
252c122d | 360 | octet *p; |
361 | ||
362 | if (!k->bits) | |
363 | k->bits = 128; | |
364 | if (k->p) | |
365 | die(EXIT_FAILURE, "no shared parameters for binary keys"); | |
366 | ||
367 | sz = (k->bits + 7) >> 3; | |
368 | p = sub_alloc(sz); | |
369 | m = (1 << (((k->bits - 1) & 7) + 1)) - 1; | |
34e4f738 | 370 | k->r->ops->fill(k->r, p, sz); |
252c122d | 371 | *p &= m; |
ef13e9a4 | 372 | kd = key_newbinary(KCAT_SYMM | KF_BURN, p, sz); |
252c122d | 373 | memset(p, 0, sz); |
ef13e9a4 | 374 | dolock(k, &kd, 0); |
375 | key_setkeydata(k->kf, k->k, kd); | |
376 | key_drop(kd); | |
252c122d | 377 | sub_free(p, sz); |
252c122d | 378 | } |
379 | ||
380 | static void alg_des(keyopts *k) | |
381 | { | |
382 | unsigned sz; | |
383 | octet *p; | |
ef13e9a4 | 384 | key_data *kd; |
252c122d | 385 | int i; |
386 | ||
387 | if (!k->bits) | |
1ba83484 | 388 | k->bits = 168; |
252c122d | 389 | if (k->p) |
390 | die(EXIT_FAILURE, "no shared parameters for DES keys"); | |
391 | if (k->bits % 56 || k->bits > 168) | |
392 | die(EXIT_FAILURE, "DES keys must be 56, 112 or 168 bits long"); | |
393 | ||
394 | sz = k->bits / 7; | |
395 | p = sub_alloc(sz); | |
34e4f738 | 396 | k->r->ops->fill(k->r, p, sz); |
252c122d | 397 | for (i = 0; i < sz; i++) { |
052b36d0 | 398 | octet x = p[i] | 0x01; |
252c122d | 399 | x = x ^ (x >> 4); |
400 | x = x ^ (x >> 2); | |
052b36d0 | 401 | x = x ^ (x >> 1); |
252c122d | 402 | p[i] = (p[i] & 0xfe) | (x & 0x01); |
403 | } | |
ef13e9a4 | 404 | kd = key_newbinary(KCAT_SYMM | KF_BURN, p, sz); |
252c122d | 405 | memset(p, 0, sz); |
ef13e9a4 | 406 | dolock(k, &kd, 0); |
407 | key_setkeydata(k->kf, k->k, kd); | |
408 | key_drop(kd); | |
252c122d | 409 | sub_free(p, sz); |
252c122d | 410 | } |
411 | ||
412 | static void alg_rsa(keyopts *k) | |
413 | { | |
ab0ca95f | 414 | rsa_priv rp; |
ef13e9a4 | 415 | key_data *kd, *kkd; |
252c122d | 416 | |
417 | /* --- Sanity checking --- */ | |
418 | ||
419 | if (k->p) | |
420 | die(EXIT_FAILURE, "no shared parameters for RSA keys"); | |
421 | if (!k->bits) | |
422 | k->bits = 1024; | |
423 | ||
424 | /* --- Generate the RSA parameters --- */ | |
425 | ||
34e4f738 | 426 | if (rsa_gen(&rp, k->bits, k->r, 0, |
252c122d | 427 | (k->f & f_quiet) ? 0 : pgen_ev, 0)) |
428 | die(EXIT_FAILURE, "RSA key generation failed"); | |
429 | ||
430 | /* --- Run a test encryption --- */ | |
431 | ||
432 | { | |
34e4f738 | 433 | grand *g = fibrand_create(k->r->ops->word(k->r)); |
ab0ca95f | 434 | rsa_pub rpp; |
252c122d | 435 | mp *m = mprand_range(MP_NEW, rp.n, g, 0); |
436 | mp *c; | |
437 | ||
ab0ca95f | 438 | rpp.n = rp.n; |
439 | rpp.e = rp.e; | |
440 | c = rsa_qpubop(&rpp, MP_NEW, m); | |
441 | c = rsa_qprivop(&rp, c, c, g); | |
252c122d | 442 | |
4b536f42 | 443 | if (!MP_EQ(c, m)) |
252c122d | 444 | die(EXIT_FAILURE, "test encryption failed"); |
445 | mp_drop(c); | |
446 | mp_drop(m); | |
447 | g->ops->destroy(g); | |
448 | } | |
449 | ||
450 | /* --- Allrighty then --- */ | |
451 | ||
ef13e9a4 | 452 | kd = key_newstruct(); |
453 | key_structsteal(kd, "n", key_newmp(KCAT_PUB, rp.n)); | |
454 | key_structsteal(kd, "e", key_newmp(KCAT_PUB, rp.e)); | |
455 | ||
456 | kkd = key_newstruct(); | |
457 | key_structsteal(kkd, "d", key_newmp(KCAT_PRIV | KF_BURN, rp.d)); | |
458 | key_structsteal(kkd, "p", key_newmp(KCAT_PRIV | KF_BURN, rp.p)); | |
459 | key_structsteal(kkd, "q", key_newmp(KCAT_PRIV | KF_BURN, rp.q)); | |
460 | key_structsteal(kkd, "q-inv", key_newmp(KCAT_PRIV | KF_BURN, rp.q_inv)); | |
461 | key_structsteal(kkd, "d-mod-p", key_newmp(KCAT_PRIV | KF_BURN, rp.dp)); | |
462 | key_structsteal(kkd, "d-mod-q", key_newmp(KCAT_PRIV | KF_BURN, rp.dq)); | |
463 | dolock(k, &kkd, "private"); | |
464 | key_structsteal(kd, "private", kkd); | |
465 | key_setkeydata(k->kf, k->k, kd); | |
466 | key_drop(kd); | |
ab0ca95f | 467 | rsa_privfree(&rp); |
252c122d | 468 | } |
469 | ||
470 | static void alg_dsaparam(keyopts *k) | |
471 | { | |
472 | static const char *pl[] = { "q", "p", "g", 0 }; | |
473 | if (!copyparam(k, pl)) { | |
474 | dsa_param dp; | |
475 | octet *p; | |
476 | size_t sz; | |
477 | dstr d = DSTR_INIT; | |
2b4be81b | 478 | codec *c; |
ef13e9a4 | 479 | key_data *kd; |
f4f8e305 | 480 | dsa_seed ds; |
252c122d | 481 | |
482 | /* --- Choose appropriate bit lengths if necessary --- */ | |
483 | ||
484 | if (!k->qbits) | |
485 | k->qbits = 160; | |
486 | if (!k->bits) | |
ef13e9a4 | 487 | k->bits = 1024; |
252c122d | 488 | |
489 | /* --- Allocate a seed block --- */ | |
490 | ||
491 | sz = (k->qbits + 7) >> 3; | |
492 | p = sub_alloc(sz); | |
34e4f738 | 493 | k->r->ops->fill(k->r, p, sz); |
252c122d | 494 | |
495 | /* --- Allocate the parameters --- */ | |
496 | ||
f4f8e305 | 497 | if (dsa_gen(&dp, k->qbits, k->bits, 0, p, sz, &ds, |
40d5a112 | 498 | (k->f & f_quiet) ? 0 : pgen_ev, 0)) |
252c122d | 499 | die(EXIT_FAILURE, "DSA parameter generation failed"); |
500 | ||
501 | /* --- Store the parameters --- */ | |
502 | ||
ef13e9a4 | 503 | kd = key_newstruct(); |
504 | key_structsteal(kd, "q", key_newmp(KCAT_SHARE, dp.q)); | |
505 | key_structsteal(kd, "p", key_newmp(KCAT_SHARE, dp.p)); | |
506 | key_structsteal(kd, "g", key_newmp(KCAT_SHARE, dp.g)); | |
252c122d | 507 | mp_drop(dp.q); |
508 | mp_drop(dp.p); | |
509 | mp_drop(dp.g); | |
ef13e9a4 | 510 | key_setkeydata(k->kf, k->k, kd); |
511 | key_drop(kd); | |
252c122d | 512 | |
513 | /* --- Store the seed for future verification --- */ | |
514 | ||
2b4be81b MW |
515 | c = base64_class.encoder(0, "", 0); |
516 | c->ops->code(c, ds.p, ds.sz, &d); c->ops->code(c, 0, 0, &d); | |
517 | c->ops->destroy(c); | |
ef13e9a4 | 518 | DPUTZ(&d); |
252c122d | 519 | key_putattr(k->kf, k->k, "seed", d.buf); |
f4f8e305 | 520 | DRESET(&d); |
521 | dstr_putf(&d, "%u", ds.count); | |
522 | key_putattr(k->kf, k->k, "count", d.buf); | |
523 | xfree(ds.p); | |
252c122d | 524 | sub_free(p, sz); |
525 | dstr_destroy(&d); | |
526 | } | |
527 | } | |
528 | ||
529 | static void alg_dsa(keyopts *k) | |
530 | { | |
531 | mp *q, *p, *g; | |
532 | mp *x, *y; | |
533 | mpmont mm; | |
ef13e9a4 | 534 | key_data *kd, *kkd; |
252c122d | 535 | |
536 | /* --- Get the shared parameters --- */ | |
537 | ||
538 | alg_dsaparam(k); | |
ef13e9a4 | 539 | key_split(&k->k->k); kd = k->k->k; |
252c122d | 540 | q = getmp(kd, "q"); |
541 | p = getmp(kd, "p"); | |
542 | g = getmp(kd, "g"); | |
543 | ||
544 | /* --- Choose a private key --- */ | |
545 | ||
34e4f738 | 546 | x = mprand_range(MP_NEWSEC, q, k->r, 0); |
252c122d | 547 | mpmont_create(&mm, p); |
548 | y = mpmont_exp(&mm, MP_NEW, g, x); | |
549 | ||
550 | /* --- Store everything away --- */ | |
551 | ||
ef13e9a4 | 552 | key_structsteal(kd, "y", key_newmp(KCAT_PUB, y)); |
252c122d | 553 | |
ef13e9a4 | 554 | kkd = key_newstruct(); |
555 | key_structsteal(kkd, "x", key_newmp(KCAT_PRIV | KF_BURN, x)); | |
556 | dolock(k, &kkd, "private"); | |
557 | key_structsteal(kd, "private", kkd); | |
052b36d0 | 558 | |
559 | mp_drop(x); mp_drop(y); | |
252c122d | 560 | } |
561 | ||
562 | static void alg_dhparam(keyopts *k) | |
563 | { | |
052b36d0 | 564 | static const char *pl[] = { "p", "q", "g", 0 }; |
ef13e9a4 | 565 | key_data *kd; |
252c122d | 566 | if (!copyparam(k, pl)) { |
052b36d0 | 567 | dh_param dp; |
40d5a112 | 568 | int rc; |
252c122d | 569 | |
3563e365 | 570 | if (k->curve) { |
571 | qd_parse qd; | |
3688eb75 | 572 | group *g; |
573 | const char *e; | |
45c0fd36 | 574 | |
3563e365 | 575 | if (strcmp(k->curve, "list") == 0) { |
c65df279 | 576 | unsigned i, w; |
3688eb75 | 577 | LIST("Built-in prime fields", stdout, ptab[i].name, ptab[i].name); |
3563e365 | 578 | exit(0); |
579 | } | |
580 | qd.p = k->curve; | |
581 | if (dh_parse(&qd, &dp)) | |
3688eb75 | 582 | die(EXIT_FAILURE, "error in field spec: %s", qd.e); |
583 | if (!qd_eofp(&qd)) | |
584 | die(EXIT_FAILURE, "junk at end of field spec"); | |
585 | if ((g = group_prime(&dp)) == 0) | |
586 | die(EXIT_FAILURE, "invalid prime field"); | |
587 | if (!(k->f & f_quiet) && (e = G_CHECK(g, &rand_global)) != 0) | |
45c0fd36 | 588 | moan("WARNING! group check failed: %s", e); |
3688eb75 | 589 | G_DESTROYGROUP(g); |
3563e365 | 590 | goto done; |
591 | } | |
45c0fd36 | 592 | |
252c122d | 593 | if (!k->bits) |
594 | k->bits = 1024; | |
595 | ||
596 | /* --- Choose a large safe prime number --- */ | |
597 | ||
40d5a112 | 598 | if (k->f & f_limlee) { |
599 | mp **f; | |
600 | size_t nf; | |
601 | if (!k->qbits) | |
602 | k->qbits = 256; | |
603 | rc = dh_limlee(&dp, k->qbits, k->bits, | |
604 | (k->f & f_subgroup) ? DH_SUBGROUP : 0, | |
34e4f738 | 605 | 0, k->r, (k->f & f_quiet) ? 0 : pgen_ev, 0, |
40d5a112 | 606 | (k->f & f_quiet) ? 0 : pgen_evspin, 0, &nf, &f); |
607 | if (!rc) { | |
608 | dstr d = DSTR_INIT; | |
609 | size_t i; | |
610 | for (i = 0; i < nf; i++) { | |
611 | if (i) | |
612 | dstr_puts(&d, ", "); | |
613 | mp_writedstr(f[i], &d, 10); | |
614 | mp_drop(f[i]); | |
615 | } | |
616 | key_putattr(k->kf, k->k, "factors", d.buf); | |
617 | dstr_destroy(&d); | |
618 | } | |
4e67e30b MW |
619 | } else if (k->f & f_kcdsa) { |
620 | if (!k->qbits) | |
621 | k->qbits = 256; | |
622 | rc = dh_kcdsagen(&dp, k->qbits, k->bits, 0, | |
623 | 0, k->r, (k->f & f_quiet) ? 0 : pgen_ev, 0); | |
624 | if (!rc) { | |
625 | dstr d = DSTR_INIT; | |
626 | mp *v = MP_NEW; | |
627 | ||
628 | mp_writedstr(dp.q, &d, 10); | |
629 | mp_div(&v, 0, dp.p, dp.q); | |
630 | v = mp_lsr(v, v, 1); | |
631 | dstr_puts(&d, ", "); | |
632 | mp_writedstr(v, &d, 10); | |
633 | mp_drop(v); | |
634 | key_putattr(k->kf, k->k, "factors", d.buf); | |
635 | dstr_destroy(&d); | |
636 | } | |
40d5a112 | 637 | } else |
34e4f738 | 638 | rc = dh_gen(&dp, k->qbits, k->bits, 0, k->r, |
40d5a112 | 639 | (k->f & f_quiet) ? 0 : pgen_ev, 0); |
640 | ||
641 | if (rc) | |
252c122d | 642 | die(EXIT_FAILURE, "Diffie-Hellman parameter generation failed"); |
643 | ||
3563e365 | 644 | done: |
ef13e9a4 | 645 | kd = key_newstruct(); |
646 | key_structsteal(kd, "p", key_newmp(KCAT_SHARE, dp.p)); | |
647 | key_structsteal(kd, "q", key_newmp(KCAT_SHARE, dp.q)); | |
648 | key_structsteal(kd, "g", key_newmp(KCAT_SHARE, dp.g)); | |
052b36d0 | 649 | mp_drop(dp.q); |
650 | mp_drop(dp.p); | |
651 | mp_drop(dp.g); | |
ef13e9a4 | 652 | key_setkeydata(k->kf, k->k, kd); |
653 | key_drop(kd); | |
34e4f738 | 654 | } |
252c122d | 655 | } |
656 | ||
657 | static void alg_dh(keyopts *k) | |
658 | { | |
659 | mp *x, *y; | |
052b36d0 | 660 | mp *p, *q, *g; |
252c122d | 661 | mpmont mm; |
ef13e9a4 | 662 | key_data *kd, *kkd; |
252c122d | 663 | |
664 | /* --- Get the shared parameters --- */ | |
665 | ||
666 | alg_dhparam(k); | |
ef13e9a4 | 667 | key_split(&k->k->k); kd = k->k->k; |
252c122d | 668 | p = getmp(kd, "p"); |
052b36d0 | 669 | q = getmp(kd, "q"); |
252c122d | 670 | g = getmp(kd, "g"); |
671 | ||
672 | /* --- Choose a suitable private key --- * | |
673 | * | |
674 | * Since %$g$% has order %$q$%, choose %$x < q$%. | |
675 | */ | |
676 | ||
34e4f738 | 677 | x = mprand_range(MP_NEWSEC, q, k->r, 0); |
252c122d | 678 | |
679 | /* --- Compute the public key %$y = g^x \bmod p$% --- */ | |
680 | ||
681 | mpmont_create(&mm, p); | |
052b36d0 | 682 | y = mpmont_exp(&mm, MP_NEW, g, x); |
252c122d | 683 | mpmont_destroy(&mm); |
684 | ||
685 | /* --- Store everything away --- */ | |
686 | ||
ef13e9a4 | 687 | key_structsteal(kd, "y", key_newmp(KCAT_PUB, y)); |
252c122d | 688 | |
ef13e9a4 | 689 | kkd = key_newstruct(); |
690 | key_structsteal(kkd, "x", key_newmp(KCAT_PRIV | KF_BURN, x)); | |
691 | dolock(k, &kkd, "private"); | |
692 | key_structsteal(kd, "private", kkd); | |
052b36d0 | 693 | |
694 | mp_drop(x); mp_drop(y); | |
252c122d | 695 | } |
696 | ||
697 | static void alg_bbs(keyopts *k) | |
698 | { | |
ab0ca95f | 699 | bbs_priv bp; |
ef13e9a4 | 700 | key_data *kd, *kkd; |
252c122d | 701 | |
702 | /* --- Sanity checking --- */ | |
703 | ||
704 | if (k->p) | |
705 | die(EXIT_FAILURE, "no shared parameters for Blum-Blum-Shub keys"); | |
706 | if (!k->bits) | |
707 | k->bits = 1024; | |
708 | ||
709 | /* --- Generate the BBS parameters --- */ | |
710 | ||
34e4f738 | 711 | if (bbs_gen(&bp, k->bits, k->r, 0, |
052b36d0 | 712 | (k->f & f_quiet) ? 0 : pgen_ev, 0)) |
252c122d | 713 | die(EXIT_FAILURE, "Blum-Blum-Shub key generation failed"); |
252c122d | 714 | |
715 | /* --- Allrighty then --- */ | |
716 | ||
ef13e9a4 | 717 | kd = key_newstruct(); |
718 | key_structsteal(kd, "n", key_newmp(KCAT_PUB, bp.n)); | |
252c122d | 719 | |
ef13e9a4 | 720 | kkd = key_newstruct(); |
721 | key_structsteal(kkd, "p", key_newmp(KCAT_PRIV | KF_BURN, bp.p)); | |
722 | key_structsteal(kkd, "q", key_newmp(KCAT_PRIV | KF_BURN, bp.q)); | |
723 | dolock(k, &kkd, "private"); | |
724 | key_structsteal(kd, "private", kkd); | |
725 | key_setkeydata(k->kf, k->k, kd); | |
726 | key_drop(kd); | |
252c122d | 727 | |
ab0ca95f | 728 | bbs_privfree(&bp); |
252c122d | 729 | } |
730 | ||
3688eb75 | 731 | static void alg_binparam(keyopts *k) |
732 | { | |
733 | static const char *pl[] = { "p", "q", "g", 0 }; | |
734 | if (!copyparam(k, pl)) { | |
735 | gbin_param gb; | |
736 | qd_parse qd; | |
737 | group *g; | |
738 | const char *e; | |
ef13e9a4 | 739 | key_data *kd; |
3688eb75 | 740 | |
741 | /* --- Decide on a field --- */ | |
742 | ||
743 | if (!k->bits) k->bits = 128; | |
744 | if (k->curve && strcmp(k->curve, "list") == 0) { | |
745 | unsigned i, w; | |
746 | LIST("Built-in binary fields", stdout, | |
747 | bintab[i].name, bintab[i].name); | |
748 | exit(0); | |
749 | } | |
750 | if (!k->curve) { | |
751 | if (k->bits <= 40) k->curve = "p1363-40"; | |
752 | else if (k->bits <= 56) k->curve = "p1363-56"; | |
753 | else if (k->bits <= 64) k->curve = "p1363-64"; | |
754 | else if (k->bits <= 80) k->curve = "p1363-80"; | |
755 | else if (k->bits <= 112) k->curve = "p1363-112"; | |
756 | else if (k->bits <= 128) k->curve = "p1363-128"; | |
757 | else { | |
758 | die(EXIT_FAILURE, | |
759 | "no built-in binary fields provide %u-bit security", | |
760 | k->bits); | |
761 | } | |
762 | } | |
763 | ||
764 | /* --- Check it --- */ | |
765 | ||
766 | qd.e = 0; | |
767 | qd.p = k->curve; | |
768 | if (dhbin_parse(&qd, &gb)) | |
769 | die(EXIT_FAILURE, "error in field spec: %s", qd.e); | |
770 | if (!qd_eofp(&qd)) | |
771 | die(EXIT_FAILURE, "junk at end of field spec"); | |
772 | if ((g = group_binary(&gb)) == 0) | |
773 | die(EXIT_FAILURE, "invalid binary field"); | |
774 | if (!(k->f & f_quiet) && (e = G_CHECK(g, &rand_global)) != 0) | |
775 | moan("WARNING! group check failed: %s", e); | |
776 | G_DESTROYGROUP(g); | |
777 | ||
778 | /* --- Write out the answer --- */ | |
779 | ||
ef13e9a4 | 780 | kd = key_newstruct(); |
781 | key_structsteal(kd, "p", key_newmp(KCAT_SHARE, gb.p)); | |
782 | key_structsteal(kd, "q", key_newmp(KCAT_SHARE, gb.q)); | |
783 | key_structsteal(kd, "g", key_newmp(KCAT_SHARE, gb.g)); | |
3688eb75 | 784 | mp_drop(gb.q); |
785 | mp_drop(gb.p); | |
786 | mp_drop(gb.g); | |
ef13e9a4 | 787 | key_setkeydata(k->kf, k->k, kd); |
788 | key_drop(kd); | |
3688eb75 | 789 | } |
790 | } | |
791 | ||
792 | static void alg_bin(keyopts *k) | |
793 | { | |
794 | mp *x, *y; | |
795 | mp *p, *q, *g; | |
796 | gfreduce r; | |
ef13e9a4 | 797 | key_data *kd, *kkd; |
3688eb75 | 798 | |
799 | /* --- Get the shared parameters --- */ | |
800 | ||
801 | alg_binparam(k); | |
ef13e9a4 | 802 | key_split(&k->k->k); kd = k->k->k; |
3688eb75 | 803 | p = getmp(kd, "p"); |
804 | q = getmp(kd, "q"); | |
805 | g = getmp(kd, "g"); | |
806 | ||
807 | /* --- Choose a suitable private key --- * | |
808 | * | |
809 | * Since %$g$% has order %$q$%, choose %$x < q$%. | |
810 | */ | |
811 | ||
812 | x = mprand_range(MP_NEWSEC, q, k->r, 0); | |
813 | ||
814 | /* --- Compute the public key %$y = g^x \bmod p$% --- */ | |
815 | ||
816 | gfreduce_create(&r, p); | |
817 | y = gfreduce_exp(&r, MP_NEW, g, x); | |
818 | gfreduce_destroy(&r); | |
819 | ||
820 | /* --- Store everything away --- */ | |
821 | ||
ef13e9a4 | 822 | key_structsteal(kd, "y", key_newmp(KCAT_PUB, y)); |
3688eb75 | 823 | |
ef13e9a4 | 824 | kkd = key_newstruct(); |
825 | key_structsteal(kkd, "x", key_newmp(KCAT_PRIV | KF_BURN, x)); | |
826 | dolock(k, &kkd, "private"); | |
827 | key_structsteal(kd, "private", kkd); | |
3688eb75 | 828 | |
829 | mp_drop(x); mp_drop(y); | |
830 | } | |
831 | ||
1ba83484 | 832 | static void alg_ecparam(keyopts *k) |
833 | { | |
834 | static const char *pl[] = { "curve", 0 }; | |
835 | if (!copyparam(k, pl)) { | |
836 | ec_info ei; | |
837 | const char *e; | |
ef13e9a4 | 838 | key_data *kd; |
1ba83484 | 839 | |
840 | /* --- Decide on a curve --- */ | |
841 | ||
842 | if (!k->bits) k->bits = 256; | |
3563e365 | 843 | if (k->curve && strcmp(k->curve, "list") == 0) { |
c65df279 | 844 | unsigned i, w; |
845 | LIST("Built-in elliptic curves", stdout, | |
846 | ectab[i].name, ectab[i].name); | |
3563e365 | 847 | exit(0); |
848 | } | |
1ba83484 | 849 | if (!k->curve) { |
850 | if (k->bits <= 56) k->curve = "secp112r1"; | |
851 | else if (k->bits <= 64) k->curve = "secp128r1"; | |
852 | else if (k->bits <= 80) k->curve = "secp160r1"; | |
853 | else if (k->bits <= 96) k->curve = "secp192r1"; | |
854 | else if (k->bits <= 112) k->curve = "secp224r1"; | |
855 | else if (k->bits <= 128) k->curve = "secp256r1"; | |
856 | else if (k->bits <= 192) k->curve = "secp384r1"; | |
857 | else if (k->bits <= 256) k->curve = "secp521r1"; | |
858 | else | |
859 | die(EXIT_FAILURE, "no built-in curves provide %u-bit security", | |
860 | k->bits); | |
861 | } | |
862 | ||
863 | /* --- Check it --- */ | |
864 | ||
865 | if ((e = ec_getinfo(&ei, k->curve)) != 0) | |
866 | die(EXIT_FAILURE, "error in curve spec: %s", e); | |
34e4f738 | 867 | if (!(k->f & f_quiet) && (e = ec_checkinfo(&ei, k->r)) != 0) |
1ba83484 | 868 | moan("WARNING! curve check failed: %s", e); |
869 | ec_freeinfo(&ei); | |
870 | ||
871 | /* --- Write out the answer --- */ | |
872 | ||
ef13e9a4 | 873 | kd = key_newstruct(); |
874 | key_structsteal(kd, "curve", key_newstring(KCAT_SHARE, k->curve)); | |
875 | key_setkeydata(k->kf, k->k, kd); | |
876 | key_drop(kd); | |
1ba83484 | 877 | } |
878 | } | |
879 | ||
880 | static void alg_ec(keyopts *k) | |
881 | { | |
ef13e9a4 | 882 | key_data *kd; |
1ba83484 | 883 | key_data *kkd; |
884 | mp *x = MP_NEW; | |
885 | ec p = EC_INIT; | |
886 | const char *e; | |
887 | ec_info ei; | |
888 | ||
889 | /* --- Get the curve --- */ | |
890 | ||
891 | alg_ecparam(k); | |
ef13e9a4 | 892 | key_split(&k->k->k); kd = k->k->k; |
1ba83484 | 893 | if ((kkd = key_structfind(kd, "curve")) == 0) |
894 | die(EXIT_FAILURE, "unexpected failure looking up subkey `curve')"); | |
895 | if ((kkd->e & KF_ENCMASK) != KENC_STRING) | |
896 | die(EXIT_FAILURE, "subkey `curve' is not a string"); | |
897 | if ((e = ec_getinfo(&ei, kkd->u.p)) != 0) | |
898 | die(EXIT_FAILURE, "error in curve spec: %s", e); | |
899 | ||
900 | /* --- Invent a private exponent and compute the public key --- */ | |
901 | ||
34e4f738 | 902 | x = mprand_range(MP_NEWSEC, ei.r, k->r, 0); |
1ba83484 | 903 | ec_mul(ei.c, &p, &ei.g, x); |
904 | ||
905 | /* --- Store everything away --- */ | |
906 | ||
ef13e9a4 | 907 | key_structsteal(kd, "p", key_newec(KCAT_PUB, &p)); |
908 | ||
909 | kkd = key_newstruct(); | |
910 | key_structsteal(kkd, "x", key_newmp(KCAT_PRIV | KF_BURN, x)); | |
911 | dolock(k, &kkd, "private"); | |
912 | key_structsteal(kd, "private", kkd); | |
1ba83484 | 913 | |
914 | /* --- Done --- */ | |
915 | ||
916 | ec_freeinfo(&ei); | |
917 | mp_drop(x); | |
918 | } | |
919 | ||
252c122d | 920 | /* --- The algorithm tables --- */ |
921 | ||
922 | typedef struct keyalg { | |
923 | const char *name; | |
924 | void (*proc)(keyopts *o); | |
925 | const char *help; | |
926 | } keyalg; | |
927 | ||
928 | static keyalg algtab[] = { | |
929 | { "binary", alg_binary, "Plain binary data" }, | |
930 | { "des", alg_des, "Binary with DES-style parity" }, | |
931 | { "rsa", alg_rsa, "RSA public-key encryption" }, | |
3688eb75 | 932 | { "bbs", alg_bbs, "Blum-Blum-Shub generator" }, |
252c122d | 933 | { "dsa", alg_dsa, "DSA digital signatures" }, |
934 | { "dsa-param", alg_dsaparam, "DSA shared parameters" }, | |
935 | { "dh", alg_dh, "Diffie-Hellman key exchange" }, | |
936 | { "dh-param", alg_dhparam, "Diffie-Hellman parameters" }, | |
3688eb75 | 937 | { "bindh", alg_bin, "DH over a binary field" }, |
938 | { "bindh-param", alg_binparam, "Binary-field DH parameters" }, | |
1ba83484 | 939 | { "ec-param", alg_ecparam, "Elliptic curve parameters" }, |
940 | { "ec", alg_ec, "Elliptic curve crypto" }, | |
252c122d | 941 | { 0, 0 } |
942 | }; | |
d03ab969 | 943 | |
944 | /* --- @cmd_add@ --- */ | |
945 | ||
946 | static int cmd_add(int argc, char *argv[]) | |
947 | { | |
948 | key_file f; | |
d03ab969 | 949 | time_t exp = KEXP_EXPIRE; |
90a88ae3 | 950 | uint32 kid = rand_global.ops->word(&rand_global); |
252c122d | 951 | const char *tag = 0, *ptag = 0; |
d03ab969 | 952 | const char *c = 0; |
252c122d | 953 | keyalg *alg = algtab; |
052b36d0 | 954 | const char *rtag = 0; |
34e4f738 | 955 | const struct seedalg *sa = SEEDALG_DEFAULT; |
956 | keyopts k = { 0, 0, DSTR_INIT, 0, 0, 0, 0, 0 }; | |
957 | const char *seed = 0; | |
958 | k.r = &rand_global; | |
d03ab969 | 959 | |
960 | /* --- Parse options for the subcommand --- */ | |
961 | ||
962 | for (;;) { | |
963 | static struct option opt[] = { | |
252c122d | 964 | { "algorithm", OPTF_ARGREQ, 0, 'a' }, |
d03ab969 | 965 | { "bits", OPTF_ARGREQ, 0, 'b' }, |
252c122d | 966 | { "qbits", OPTF_ARGREQ, 0, 'B' }, |
967 | { "parameters", OPTF_ARGREQ, 0, 'p' }, | |
d03ab969 | 968 | { "expire", OPTF_ARGREQ, 0, 'e' }, |
969 | { "comment", OPTF_ARGREQ, 0, 'c' }, | |
252c122d | 970 | { "tag", OPTF_ARGREQ, 0, 't' }, |
ce70ec47 | 971 | { "rand-id", OPTF_ARGREQ, 0, 'R' }, |
90a88ae3 | 972 | { "key-id", OPTF_ARGREQ, 0, 'I' }, |
1ba83484 | 973 | { "curve", OPTF_ARGREQ, 0, 'C' }, |
34e4f738 | 974 | { "seedalg", OPTF_ARGREQ, 0, 'A' }, |
975 | { "seed", OPTF_ARGREQ, 0, 's' }, | |
976 | { "newseed", OPTF_ARGREQ, 0, 'n' }, | |
252c122d | 977 | { "lock", 0, 0, 'l' }, |
978 | { "quiet", 0, 0, 'q' }, | |
40d5a112 | 979 | { "lim-lee", 0, 0, 'L' }, |
980 | { "subgroup", 0, 0, 'S' }, | |
4e67e30b | 981 | { "kcdsa", 0, 0, 'K' }, |
d03ab969 | 982 | { 0, 0, 0, 0 } |
983 | }; | |
90a88ae3 | 984 | int i = mdwopt(argc, argv, "+a:b:B:p:e:c:t:R:I:C:A:s:n:lqrLKS", |
a9fcea0e | 985 | opt, 0, 0, 0); |
d03ab969 | 986 | if (i < 0) |
987 | break; | |
988 | ||
989 | /* --- Handle the various options --- */ | |
990 | ||
991 | switch (i) { | |
992 | ||
252c122d | 993 | /* --- Read an algorithm name --- */ |
994 | ||
995 | case 'a': { | |
996 | keyalg *a; | |
997 | size_t sz = strlen(optarg); | |
998 | ||
999 | if (strcmp(optarg, "list") == 0) { | |
1000 | for (a = algtab; a->name; a++) | |
1001 | printf("%-10s %s\n", a->name, a->help); | |
1002 | return (0); | |
1003 | } | |
1004 | ||
1005 | alg = 0; | |
1006 | for (a = algtab; a->name; a++) { | |
1007 | if (strncmp(optarg, a->name, sz) == 0) { | |
1008 | if (a->name[sz] == 0) { | |
1009 | alg = a; | |
1010 | break; | |
1011 | } else if (alg) | |
1012 | die(EXIT_FAILURE, "ambiguous algorithm name `%s'", optarg); | |
1013 | else | |
1014 | alg = a; | |
1015 | } | |
1016 | } | |
1017 | if (!alg) | |
1018 | die(EXIT_FAILURE, "unknown algorithm name `%s'", optarg); | |
1019 | } break; | |
1020 | ||
d03ab969 | 1021 | /* --- Bits must be nonzero and a multiple of 8 --- */ |
1022 | ||
252c122d | 1023 | case 'b': { |
1024 | char *p; | |
1025 | k.bits = strtoul(optarg, &p, 0); | |
1026 | if (k.bits == 0 || *p != 0) | |
1027 | die(EXIT_FAILURE, "bad bitlength `%s'", optarg); | |
1028 | } break; | |
1029 | ||
1030 | case 'B': { | |
1031 | char *p; | |
1032 | k.qbits = strtoul(optarg, &p, 0); | |
1033 | if (k.qbits == 0 || *p != 0) | |
1034 | die(EXIT_FAILURE, "bad bitlength `%s'", optarg); | |
1035 | } break; | |
1036 | ||
1037 | /* --- Parameter selection --- */ | |
1038 | ||
1039 | case 'p': | |
1040 | ptag = optarg; | |
d03ab969 | 1041 | break; |
1042 | ||
1043 | /* --- Expiry dates get passed to @get_date@ for parsing --- */ | |
1044 | ||
1045 | case 'e': | |
9cea6911 | 1046 | if (strcmp(optarg, "forever") == 0) |
d03ab969 | 1047 | exp = KEXP_FOREVER; |
1048 | else { | |
1049 | exp = get_date(optarg, 0); | |
1050 | if (exp == -1) | |
252c122d | 1051 | die(EXIT_FAILURE, "bad expiry date `%s'", optarg); |
d03ab969 | 1052 | } |
1053 | break; | |
1054 | ||
1055 | /* --- Store comments without interpretation --- */ | |
1056 | ||
1057 | case 'c': | |
252c122d | 1058 | if (key_chkcomment(optarg)) |
1059 | die(EXIT_FAILURE, "bad comment string `%s'", optarg); | |
d03ab969 | 1060 | c = optarg; |
1061 | break; | |
1062 | ||
1ba83484 | 1063 | /* --- Elliptic curve parameters --- */ |
1064 | ||
1065 | case 'C': | |
1ba83484 | 1066 | k.curve = optarg; |
1067 | break; | |
1068 | ||
252c122d | 1069 | /* --- Store tags --- */ |
1070 | ||
1071 | case 't': | |
1072 | if (key_chkident(optarg)) | |
1073 | die(EXIT_FAILURE, "bad tag string `%s'", optarg); | |
1074 | tag = optarg; | |
1075 | break; | |
ce70ec47 | 1076 | case 'r': |
1077 | k.f |= f_retag; | |
1078 | break; | |
252c122d | 1079 | |
34e4f738 | 1080 | /* --- Seeding --- */ |
1081 | ||
1082 | case 'A': { | |
1083 | const struct seedalg *ss; | |
1084 | if (strcmp(optarg, "list") == 0) { | |
1085 | printf("Seed algorithms:\n"); | |
1086 | for (ss = seedtab; ss->p; ss++) | |
1087 | printf(" %s\n", ss->p); | |
1088 | exit(0); | |
1089 | } | |
1090 | if (seed) die(EXIT_FAILURE, "seed already set -- put -A first"); | |
1091 | sa = 0; | |
1092 | for (ss = seedtab; ss->p; ss++) { | |
1093 | if (strcmp(optarg, ss->p) == 0) | |
1094 | sa = ss; | |
1095 | } | |
1096 | if (!sa) | |
1097 | die(EXIT_FAILURE, "seed algorithm `%s' not known", optarg); | |
1098 | } break; | |
1099 | ||
1100 | case 's': { | |
2b4be81b MW |
1101 | codec *c; |
1102 | int rc; | |
34e4f738 | 1103 | dstr d = DSTR_INIT; |
45c0fd36 | 1104 | if (seed) die(EXIT_FAILURE, "seed already set"); |
2b4be81b MW |
1105 | c = base64_class.decoder(CDCF_IGNEQPAD); |
1106 | if ((rc = c->ops->code(c, optarg, strlen(optarg), &d)) != 0 || | |
1107 | (rc = c->ops->code(c, 0, 0, &d)) != 0) | |
1108 | die(EXIT_FAILURE, "invalid seed base64: %s", codec_strerror(rc)); | |
1109 | c->ops->destroy(c); | |
34e4f738 | 1110 | k.r = sa->gen(d.buf, d.len); |
1111 | seed = optarg; | |
1112 | dstr_destroy(&d); | |
1113 | } break; | |
45c0fd36 | 1114 | |
34e4f738 | 1115 | case 'n': { |
2b4be81b | 1116 | codec *c; |
34e4f738 | 1117 | dstr d = DSTR_INIT; |
1118 | char *p; | |
1119 | unsigned n = strtoul(optarg, &p, 0); | |
1120 | if (n == 0 || *p != 0 || n % 8 != 0) | |
1121 | die(EXIT_FAILURE, "bad seed length `%s'", optarg); | |
45c0fd36 | 1122 | if (seed) die(EXIT_FAILURE, "seed already set"); |
34e4f738 | 1123 | n /= 8; |
1124 | p = xmalloc(n); | |
1125 | rand_get(RAND_GLOBAL, p, n); | |
2b4be81b MW |
1126 | c = base64_class.encoder(0, "", 0); |
1127 | c->ops->code(c, p, n, &d); c->ops->code(c, 0, 0, &d); | |
1128 | c->ops->destroy(c); | |
34e4f738 | 1129 | seed = d.buf; |
1130 | k.r = sa->gen(p, n); | |
1131 | } break; | |
90a88ae3 MW |
1132 | |
1133 | /* --- Key id --- */ | |
1134 | ||
1135 | case 'I': { | |
1136 | char *p; | |
1137 | unsigned long id; | |
1138 | ||
1139 | errno = 0; | |
1140 | id = strtoul(optarg, &p, 16); | |
1141 | if (errno || *p || id > MASK32) | |
1142 | die(EXIT_FAILURE, "bad key-id `%s'", optarg); | |
1143 | kid = id; | |
1144 | } break; | |
45c0fd36 | 1145 | |
252c122d | 1146 | /* --- Other flags --- */ |
1147 | ||
ce70ec47 | 1148 | case 'R': |
052b36d0 | 1149 | rtag = optarg; |
1150 | break; | |
252c122d | 1151 | case 'l': |
1152 | k.f |= f_lock; | |
1153 | break; | |
1154 | case 'q': | |
1155 | k.f |= f_quiet; | |
1156 | break; | |
40d5a112 | 1157 | case 'L': |
1158 | k.f |= f_limlee; | |
1159 | break; | |
4e67e30b MW |
1160 | case 'K': |
1161 | k.f |= f_kcdsa; | |
1162 | break; | |
40d5a112 | 1163 | case 'S': |
1164 | k.f |= f_subgroup; | |
1165 | break; | |
252c122d | 1166 | |
d03ab969 | 1167 | /* --- Other things are bogus --- */ |
1168 | ||
1169 | default: | |
252c122d | 1170 | k.f |= f_bogus; |
d03ab969 | 1171 | break; |
1172 | } | |
1173 | } | |
1174 | ||
252c122d | 1175 | /* --- Various sorts of bogosity --- */ |
d03ab969 | 1176 | |
252c122d | 1177 | if ((k.f & f_bogus) || optind + 1 > argc) { |
d03ab969 | 1178 | die(EXIT_FAILURE, |
c65df279 | 1179 | "Usage: add [OPTIONS] TYPE [ATTR...]"); |
d03ab969 | 1180 | } |
252c122d | 1181 | if (key_chkident(argv[optind])) |
1182 | die(EXIT_FAILURE, "bad key type `%s'", argv[optind]); | |
1183 | ||
1184 | /* --- Set up various bits of the state --- */ | |
1185 | ||
d03ab969 | 1186 | if (exp == KEXP_EXPIRE) |
1187 | exp = time(0) + 14 * 24 * 60 * 60; | |
1188 | ||
252c122d | 1189 | /* --- Open the file and create the basic key block --- * |
1190 | * | |
1191 | * Keep on generating keyids until one of them doesn't collide. | |
1192 | */ | |
d03ab969 | 1193 | |
252c122d | 1194 | doopen(&f, KOPEN_WRITE); |
1195 | k.kf = &f; | |
1196 | ||
052b36d0 | 1197 | /* --- Key the generator --- */ |
1198 | ||
1199 | keyrand(&f, rtag); | |
1200 | ||
252c122d | 1201 | for (;;) { |
252c122d | 1202 | int err; |
90a88ae3 | 1203 | if ((err = key_new(&f, kid, argv[optind], exp, &k.k)) == 0) |
252c122d | 1204 | break; |
ef13e9a4 | 1205 | else if (err != KERR_DUPID) |
252c122d | 1206 | die(EXIT_FAILURE, "error adding new key: %s", key_strerror(err)); |
1207 | } | |
d03ab969 | 1208 | |
252c122d | 1209 | /* --- Set various simple attributes --- */ |
d03ab969 | 1210 | |
252c122d | 1211 | if (tag) { |
ce70ec47 | 1212 | int err; |
1213 | key *kk; | |
1214 | if (k.f & f_retag) { | |
694fc3a8 | 1215 | if ((kk = key_bytag(&f, tag)) != 0 && |
1216 | kk->tag && | |
1217 | strcmp(kk->tag, tag) == 0) | |
ce70ec47 | 1218 | key_settag(&f, kk, 0); |
1219 | } | |
1220 | if ((err = key_settag(&f, k.k, tag)) != 0) | |
252c122d | 1221 | die(EXIT_FAILURE, "error setting key tag: %s", key_strerror(err)); |
1222 | } | |
d03ab969 | 1223 | |
252c122d | 1224 | if (c) { |
1225 | int err = key_setcomment(&f, k.k, c); | |
1226 | if (err) | |
1227 | die(EXIT_FAILURE, "error setting key comment: %s", key_strerror(err)); | |
1228 | } | |
1229 | ||
1230 | setattr(&f, k.k, argv + optind + 1); | |
34e4f738 | 1231 | if (seed) { |
1232 | key_putattr(&f, k.k, "genseed", seed); | |
1233 | key_putattr(&f, k.k, "seedalg", sa->p); | |
1234 | } | |
252c122d | 1235 | |
1236 | key_fulltag(k.k, &k.tag); | |
1237 | ||
1238 | /* --- Find the parameter key --- */ | |
1239 | ||
1240 | if (ptag) { | |
1241 | if ((k.p = key_bytag(&f, ptag)) == 0) | |
1242 | die(EXIT_FAILURE, "parameter key `%s' not found", ptag); | |
ef13e9a4 | 1243 | if ((k.p->k->e & KF_ENCMASK) != KENC_STRUCT) |
252c122d | 1244 | die(EXIT_FAILURE, "parameter key `%s' is not structured", ptag); |
1245 | } | |
1246 | ||
1247 | /* --- Now generate the actual key data --- */ | |
1248 | ||
1249 | alg->proc(&k); | |
1250 | ||
1251 | /* --- Done --- */ | |
d03ab969 | 1252 | |
ef13e9a4 | 1253 | dstr_destroy(&k.tag); |
d03ab969 | 1254 | doclose(&f); |
1255 | return (0); | |
1256 | } | |
1257 | ||
252c122d | 1258 | /*----- Key listing -------------------------------------------------------*/ |
1259 | ||
1260 | /* --- Listing options --- */ | |
1261 | ||
1262 | typedef struct listopts { | |
1263 | const char *tfmt; /* Date format (@strftime@-style) */ | |
1264 | int v; /* Verbosity level */ | |
1265 | unsigned f; /* Various flags */ | |
1266 | time_t t; /* Time now (for key expiry) */ | |
1267 | key_filter kf; /* Filter for matching keys */ | |
1268 | } listopts; | |
1269 | ||
1270 | /* --- Listing flags --- */ | |
1271 | ||
16efd15b | 1272 | #define f_newline 2u /* Write newline before next entry */ |
1273 | #define f_attr 4u /* Written at least one attribute */ | |
1274 | #define f_utc 8u /* Emit UTC time, not local time */ | |
252c122d | 1275 | |
1276 | /* --- @showkeydata@ --- * | |
1277 | * | |
1278 | * Arguments: @key_data *k@ = pointer to key to write | |
1279 | * @int ind@ = indentation level | |
1280 | * @listopts *o@ = listing options | |
1281 | * @dstr *d@ = tag string for this subkey | |
1282 | * | |
1283 | * Returns: --- | |
1284 | * | |
1285 | * Use: Emits a piece of key data in a human-readable format. | |
1286 | */ | |
1287 | ||
1288 | static void showkeydata(key_data *k, int ind, listopts *o, dstr *d) | |
1289 | { | |
1290 | #define INDENT(i) do { \ | |
1291 | int _i; \ | |
1292 | for (_i = 0; _i < (i); _i++) { \ | |
1293 | putchar(' '); \ | |
1294 | } \ | |
1295 | } while (0) | |
1296 | ||
1297 | switch (k->e & KF_ENCMASK) { | |
1298 | ||
1299 | /* --- Binary key data --- * | |
1300 | * | |
1301 | * Emit as a simple hex dump. | |
1302 | */ | |
1303 | ||
1304 | case KENC_BINARY: { | |
1305 | const octet *p = k->u.k.k; | |
1306 | const octet *l = p + k->u.k.sz; | |
1307 | size_t sz = 0; | |
1308 | ||
1309 | fputs(" {", stdout); | |
1310 | while (p < l) { | |
1311 | if (sz % 16 == 0) { | |
1312 | putchar('\n'); | |
1313 | INDENT(ind + 2); | |
1314 | } else if (sz % 8 == 0) | |
1315 | fputs(" ", stdout); | |
1316 | else | |
1317 | putc(' ', stdout); | |
1318 | printf("%02x", *p++); | |
1319 | sz++; | |
1320 | } | |
1321 | putchar('\n'); | |
1322 | INDENT(ind); | |
1323 | fputs("}\n", stdout); | |
1324 | } break; | |
1325 | ||
1326 | /* --- Encrypted data --- * | |
1327 | * | |
1328 | * If the user is sufficiently keen, ask for a passphrase and decrypt the | |
1329 | * key. Otherwise just say that it's encrypted and move on. | |
1330 | */ | |
1331 | ||
1332 | case KENC_ENCRYPT: | |
1333 | if (o->v <= 3) | |
1334 | fputs(" encrypted\n", stdout); | |
1335 | else { | |
ef13e9a4 | 1336 | key_data *kd; |
1337 | if (key_punlock(&kd, k, d->buf)) | |
252c122d | 1338 | printf(" <failed to unlock %s>\n", d->buf); |
1339 | else { | |
1340 | fputs(" encrypted", stdout); | |
ef13e9a4 | 1341 | showkeydata(kd, ind, o, d); |
1342 | key_drop(kd); | |
252c122d | 1343 | } |
1344 | } | |
1345 | break; | |
1346 | ||
1347 | /* --- Integer keys --- * | |
1348 | * | |
1349 | * Emit as a large integer in decimal. This makes using the key in | |
1350 | * `calc' or whatever easier. | |
1351 | */ | |
1352 | ||
1353 | case KENC_MP: | |
1354 | putchar(' '); | |
1355 | mp_writefile(k->u.m, stdout, 10); | |
1356 | putchar('\n'); | |
1357 | break; | |
1358 | ||
1ba83484 | 1359 | /* --- Strings --- */ |
1360 | ||
1361 | case KENC_STRING: | |
1362 | printf(" `%s'\n", k->u.p); | |
1363 | break; | |
1364 | ||
1365 | /* --- Elliptic curve points --- */ | |
1366 | ||
1367 | case KENC_EC: | |
d1ee65aa | 1368 | if (EC_ATINF(&k->u.e)) |
a9fcea0e | 1369 | fputs(" inf\n", stdout); |
d1ee65aa | 1370 | else { |
1371 | fputs(" 0x", stdout); mp_writefile(k->u.e.x, stdout, 16); | |
1372 | fputs(", 0x", stdout); mp_writefile(k->u.e.y, stdout, 16); | |
1373 | putchar('\n'); | |
1374 | } | |
45c0fd36 | 1375 | break; |
1ba83484 | 1376 | |
252c122d | 1377 | /* --- Structured keys --- * |
1378 | * | |
1379 | * Just iterate over the subkeys. | |
1380 | */ | |
1381 | ||
1382 | case KENC_STRUCT: { | |
ef13e9a4 | 1383 | key_subkeyiter i; |
1384 | const char *tag; | |
252c122d | 1385 | size_t n = d->len; |
1386 | ||
1387 | fputs(" {\n", stdout); | |
ef13e9a4 | 1388 | for (key_mksubkeyiter(&i, k); key_nextsubkey(&i, &tag, &k); ) { |
1389 | if (!key_match(k, &o->kf)) | |
252c122d | 1390 | continue; |
1391 | INDENT(ind + 2); | |
ef13e9a4 | 1392 | printf("%s =", tag); |
252c122d | 1393 | d->len = n; |
ef13e9a4 | 1394 | dstr_putf(d, ".%s", tag); |
1395 | showkeydata(k, ind + 2, o, d); | |
252c122d | 1396 | } |
1397 | INDENT(ind); | |
1398 | fputs("}\n", stdout); | |
45c0fd36 | 1399 | } break; |
252c122d | 1400 | } |
1401 | ||
1402 | #undef INDENT | |
1403 | } | |
1404 | ||
1405 | /* --- @showkey@ --- * | |
1406 | * | |
1407 | * Arguments: @key *k@ = pointer to key to show | |
1408 | * @listopts *o@ = pointer to listing options | |
1409 | * | |
1410 | * Returns: --- | |
1411 | * | |
1412 | * Use: Emits a listing of a particular key. | |
1413 | */ | |
1414 | ||
1415 | static void showkey(key *k, listopts *o) | |
1416 | { | |
1417 | char ebuf[24], dbuf[24]; | |
1418 | struct tm *tm; | |
1419 | ||
1420 | /* --- Skip the key if the filter doesn't match --- */ | |
1421 | ||
ef13e9a4 | 1422 | if (!key_match(k->k, &o->kf)) |
252c122d | 1423 | return; |
1424 | ||
1425 | /* --- Sort out the expiry and deletion times --- */ | |
1426 | ||
1427 | if (KEY_EXPIRED(o->t, k->exp)) | |
1428 | strcpy(ebuf, "expired"); | |
1429 | else if (k->exp == KEXP_FOREVER) | |
1430 | strcpy(ebuf, "forever"); | |
1431 | else { | |
1432 | tm = (o->f & f_utc) ? gmtime(&k->exp) : localtime(&k->exp); | |
1433 | strftime(ebuf, sizeof(ebuf), o->tfmt, tm); | |
1434 | } | |
1435 | ||
1436 | if (KEY_EXPIRED(o->t, k->del)) | |
1437 | strcpy(dbuf, "deleted"); | |
1438 | else if (k->del == KEXP_FOREVER) | |
1439 | strcpy(dbuf, "forever"); | |
1440 | else { | |
1441 | tm = (o->f & f_utc) ? gmtime(&k->del) : localtime(&k->del); | |
1442 | strftime(dbuf, sizeof(dbuf), o->tfmt, tm); | |
1443 | } | |
1444 | ||
1445 | /* --- If in compact format, just display and quit --- */ | |
1446 | ||
1447 | if (!o->v) { | |
1448 | if (!(o->f & f_newline)) { | |
8cd9f01d | 1449 | printf("%8s %-20s %-20s %-10s %s\n", |
252c122d | 1450 | "Id", "Tag", "Type", "Expire", "Delete"); |
1451 | } | |
8cd9f01d | 1452 | printf("%08lx %-20s %-20s %-10s %s\n", |
252c122d | 1453 | (unsigned long)k->id, k->tag ? k->tag : "<none>", |
1454 | k->type, ebuf, dbuf); | |
1455 | o->f |= f_newline; | |
1456 | return; | |
1457 | } | |
1458 | ||
1459 | /* --- Display the standard header --- */ | |
1460 | ||
1461 | if (o->f & f_newline) | |
1462 | fputc('\n', stdout); | |
1463 | printf("keyid: %08lx\n", (unsigned long)k->id); | |
1464 | printf("tag: %s\n", k->tag ? k->tag : "<none>"); | |
1465 | printf("type: %s\n", k->type); | |
1466 | printf("expiry: %s\n", ebuf); | |
1467 | printf("delete: %s\n", dbuf); | |
1468 | printf("comment: %s\n", k->c ? k->c : "<none>"); | |
1469 | ||
1470 | /* --- Display the attributes --- */ | |
1471 | ||
1472 | if (o->v > 1) { | |
1473 | key_attriter i; | |
1474 | const char *av, *an; | |
1475 | ||
1476 | o->f &= ~f_attr; | |
1477 | printf("attributes:"); | |
1478 | for (key_mkattriter(&i, k); key_nextattr(&i, &an, &av); ) { | |
dce3fb0d | 1479 | printf("\n %s = %s", an, av); |
252c122d | 1480 | o->f |= f_attr; |
1481 | } | |
1482 | if (o->f & f_attr) | |
1483 | fputc('\n', stdout); | |
1484 | else | |
1485 | puts(" <none>"); | |
1486 | } | |
1487 | ||
1488 | /* --- If dumping requested, dump the raw key data --- */ | |
1489 | ||
1490 | if (o->v > 2) { | |
1491 | dstr d = DSTR_INIT; | |
1492 | fputs("key:", stdout); | |
1493 | key_fulltag(k, &d); | |
ef13e9a4 | 1494 | showkeydata(k->k, 0, o, &d); |
252c122d | 1495 | dstr_destroy(&d); |
1496 | } | |
45c0fd36 | 1497 | |
252c122d | 1498 | o->f |= f_newline; |
1499 | } | |
1500 | ||
1501 | /* --- @cmd_list@ --- */ | |
1502 | ||
1503 | static int cmd_list(int argc, char *argv[]) | |
1504 | { | |
1505 | key_file f; | |
1506 | key *k; | |
1507 | listopts o = { 0, 0, 0, 0, { 0, 0 } }; | |
1508 | ||
1509 | /* --- Parse subcommand options --- */ | |
1510 | ||
1511 | for (;;) { | |
1512 | static struct option opt[] = { | |
1513 | { "quiet", 0, 0, 'q' }, | |
1514 | { "verbose", 0, 0, 'v' }, | |
1515 | { "utc", 0, 0, 'u' }, | |
1516 | { "filter", OPTF_ARGREQ, 0, 'f' }, | |
1517 | { 0, 0, 0, 0 } | |
1518 | }; | |
1519 | int i = mdwopt(argc, argv, "+uqvf:", opt, 0, 0, 0); | |
1520 | if (i < 0) | |
1521 | break; | |
1522 | ||
1523 | switch (i) { | |
1524 | case 'u': | |
1525 | o.f |= f_utc; | |
1526 | break; | |
1527 | case 'q': | |
1528 | if (o.v) | |
1529 | o.v--; | |
1530 | break; | |
1531 | case 'v': | |
1532 | o.v++; | |
1533 | break; | |
1534 | case 'f': { | |
1535 | char *p; | |
1536 | int e = key_readflags(optarg, &p, &o.kf.f, &o.kf.m); | |
1537 | if (e || *p) | |
1538 | die(EXIT_FAILURE, "bad filter string `%s'", optarg); | |
45c0fd36 | 1539 | } break; |
252c122d | 1540 | default: |
1541 | o.f |= f_bogus; | |
1542 | break; | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | if (o.f & f_bogus) | |
c65df279 | 1547 | die(EXIT_FAILURE, "Usage: list [-uqv] [-f FILTER] [TAG...]"); |
252c122d | 1548 | |
1549 | /* --- Open the key file --- */ | |
1550 | ||
1551 | doopen(&f, KOPEN_READ); | |
1552 | o.t = time(0); | |
1553 | ||
1554 | /* --- Set up the time format --- */ | |
1555 | ||
1556 | if (!o.v) | |
1557 | o.tfmt = "%Y-%m-%d"; | |
1558 | else if (o.f & f_utc) | |
1559 | o.tfmt = "%Y-%m-%d %H:%M:%S UTC"; | |
1560 | else | |
1561 | o.tfmt = "%Y-%m-%d %H:%M:%S %Z"; | |
1562 | ||
1563 | /* --- If specific keys were requested use them, otherwise do all --- * | |
1564 | * | |
1565 | * Some day, this might turn into a wildcard match. | |
1566 | */ | |
1567 | ||
1568 | if (optind < argc) { | |
1569 | do { | |
1570 | if ((k = key_bytag(&f, argv[optind])) != 0) | |
1571 | showkey(k, &o); | |
1572 | else { | |
1573 | moan("key `%s' not found", argv[optind]); | |
1574 | o.f |= f_bogus; | |
1575 | } | |
1576 | optind++; | |
1577 | } while (optind < argc); | |
1578 | } else { | |
1579 | key_iter i; | |
1580 | for (key_mkiter(&i, &f); (k = key_next(&i)) != 0; ) | |
1581 | showkey(k, &o); | |
1582 | } | |
1583 | ||
1584 | /* --- Done --- */ | |
1585 | ||
1586 | doclose(&f); | |
1587 | if (o.f & f_bogus) | |
1588 | return (EXIT_FAILURE); | |
1589 | else | |
1590 | return (0); | |
1591 | } | |
1592 | ||
1593 | /*----- Command implementation --------------------------------------------*/ | |
1594 | ||
d03ab969 | 1595 | /* --- @cmd_expire@ --- */ |
1596 | ||
1597 | static int cmd_expire(int argc, char *argv[]) | |
1598 | { | |
1599 | key_file f; | |
1600 | key *k; | |
d03ab969 | 1601 | int i; |
1602 | int rc = 0; | |
1603 | ||
1604 | if (argc < 2) | |
c65df279 | 1605 | die(EXIT_FAILURE, "Usage: expire TAG..."); |
d03ab969 | 1606 | doopen(&f, KOPEN_WRITE); |
1607 | for (i = 1; i < argc; i++) { | |
252c122d | 1608 | if ((k = key_bytag(&f, argv[i])) != 0) |
d03ab969 | 1609 | key_expire(&f, k); |
1610 | else { | |
252c122d | 1611 | moan("key `%s' not found", argv[i]); |
d03ab969 | 1612 | rc = 1; |
1613 | } | |
1614 | } | |
1615 | doclose(&f); | |
1616 | return (rc); | |
1617 | } | |
1618 | ||
1619 | /* --- @cmd_delete@ --- */ | |
1620 | ||
1621 | static int cmd_delete(int argc, char *argv[]) | |
1622 | { | |
1623 | key_file f; | |
1624 | key *k; | |
d03ab969 | 1625 | int i; |
1626 | int rc = 0; | |
1627 | ||
1628 | if (argc < 2) | |
c65df279 | 1629 | die(EXIT_FAILURE, "Usage: delete TAG..."); |
d03ab969 | 1630 | doopen(&f, KOPEN_WRITE); |
1631 | for (i = 1; i < argc; i++) { | |
252c122d | 1632 | if ((k = key_bytag(&f, argv[i])) != 0) |
d03ab969 | 1633 | key_delete(&f, k); |
1634 | else { | |
252c122d | 1635 | moan("key `%s' not found", argv[i]); |
d03ab969 | 1636 | rc = 1; |
1637 | } | |
1638 | } | |
1639 | doclose(&f); | |
1640 | return (rc); | |
1641 | } | |
1642 | ||
1643 | /* --- @cmd_setattr@ --- */ | |
1644 | ||
1645 | static int cmd_setattr(int argc, char *argv[]) | |
1646 | { | |
1647 | key_file f; | |
1648 | key *k; | |
d03ab969 | 1649 | |
1650 | if (argc < 3) | |
c65df279 | 1651 | die(EXIT_FAILURE, "Usage: setattr TAG ATTR..."); |
d03ab969 | 1652 | doopen(&f, KOPEN_WRITE); |
252c122d | 1653 | if ((k = key_bytag(&f, argv[1])) == 0) |
1654 | die(EXIT_FAILURE, "key `%s' not found", argv[1]); | |
d03ab969 | 1655 | setattr(&f, k, argv + 2); |
1656 | doclose(&f); | |
1657 | return (0); | |
1658 | } | |
1659 | ||
e9be047b | 1660 | /* --- @cmd_getattr@ --- */ |
1661 | ||
1662 | static int cmd_getattr(int argc, char *argv[]) | |
1663 | { | |
1664 | key_file f; | |
1665 | key *k; | |
1666 | dstr d = DSTR_INIT; | |
1667 | const char *p; | |
1668 | ||
1669 | if (argc != 3) | |
1670 | die(EXIT_FAILURE, "Usage: getattr TAG ATTR"); | |
1671 | doopen(&f, KOPEN_READ); | |
1672 | if ((k = key_bytag(&f, argv[1])) == 0) | |
1673 | die(EXIT_FAILURE, "key `%s' not found", argv[1]); | |
1674 | key_fulltag(k, &d); | |
1675 | if ((p = key_getattr(&f, k, argv[2])) == 0) | |
1676 | die(EXIT_FAILURE, "no attribute `%s' for key `%s'", argv[2], d.buf); | |
1677 | puts(p); | |
1678 | dstr_destroy(&d); | |
1679 | doclose(&f); | |
1680 | return (0); | |
1681 | } | |
1682 | ||
252c122d | 1683 | /* --- @cmd_finger@ --- */ |
d03ab969 | 1684 | |
981bf127 | 1685 | static void fingerprint(key *k, const gchash *ch, const key_filter *kf) |
d03ab969 | 1686 | { |
981bf127 | 1687 | ghash *h; |
252c122d | 1688 | dstr d = DSTR_INIT; |
981bf127 | 1689 | const octet *p; |
1690 | size_t i; | |
d03ab969 | 1691 | |
981bf127 | 1692 | h = GH_INIT(ch); |
1693 | if (key_fingerprint(k, h, kf)) { | |
1694 | p = GH_DONE(h, 0); | |
1695 | key_fulltag(k, &d); | |
1696 | for (i = 0; i < ch->hashsz; i++) { | |
1697 | if (i && i % 4 == 0) | |
1698 | putchar('-'); | |
1699 | printf("%02x", p[i]); | |
1700 | } | |
1701 | printf(" %s\n", d.buf); | |
252c122d | 1702 | } |
252c122d | 1703 | dstr_destroy(&d); |
981bf127 | 1704 | GH_DESTROY(h); |
252c122d | 1705 | } |
d03ab969 | 1706 | |
252c122d | 1707 | static int cmd_finger(int argc, char *argv[]) |
1708 | { | |
1709 | key_file f; | |
1710 | int rc = 0; | |
981bf127 | 1711 | const gchash *ch = &rmd160; |
252c122d | 1712 | key_filter kf = { KF_NONSECRET, KF_NONSECRET }; |
d03ab969 | 1713 | |
1714 | for (;;) { | |
1715 | static struct option opt[] = { | |
252c122d | 1716 | { "filter", OPTF_ARGREQ, 0, 'f' }, |
981bf127 | 1717 | { "algorithm", OPTF_ARGREQ, 0, 'a' }, |
252c122d | 1718 | { 0, 0, 0, 0 } |
d03ab969 | 1719 | }; |
981bf127 | 1720 | int i = mdwopt(argc, argv, "+f:a:", opt, 0, 0, 0); |
d03ab969 | 1721 | if (i < 0) |
1722 | break; | |
d03ab969 | 1723 | switch (i) { |
252c122d | 1724 | case 'f': { |
1725 | char *p; | |
1726 | int err = key_readflags(optarg, &p, &kf.f, &kf.m); | |
1727 | if (err || *p) | |
1728 | die(EXIT_FAILURE, "bad filter string `%s'", optarg); | |
1729 | } break; | |
981bf127 | 1730 | case 'a': |
1731 | if ((ch = ghash_byname(optarg)) == 0) | |
1732 | die(EXIT_FAILURE, "unknown hash algorithm `%s'", optarg); | |
1733 | break; | |
d03ab969 | 1734 | default: |
252c122d | 1735 | rc = 1; |
d03ab969 | 1736 | break; |
1737 | } | |
1738 | } | |
1739 | ||
252c122d | 1740 | argv += optind; argc -= optind; |
1741 | if (rc) | |
c65df279 | 1742 | die(EXIT_FAILURE, "Usage: fingerprint [-f FILTER] [TAG...]"); |
d03ab969 | 1743 | |
1744 | doopen(&f, KOPEN_READ); | |
d03ab969 | 1745 | |
252c122d | 1746 | if (argc) { |
1747 | int i; | |
1748 | for (i = 0; i < argc; i++) { | |
1749 | key *k = key_bytag(&f, argv[i]); | |
1750 | if (k) | |
981bf127 | 1751 | fingerprint(k, ch, &kf); |
252c122d | 1752 | else { |
1753 | rc = 1; | |
1754 | moan("key `%s' not found", argv[i]); | |
1755 | } | |
1756 | } | |
1757 | } else { | |
1758 | key_iter i; | |
1759 | key *k; | |
1760 | for (key_mkiter(&i, &f); (k = key_next(&i)) != 0; ) | |
981bf127 | 1761 | fingerprint(k, ch, &kf); |
252c122d | 1762 | } |
1763 | return (rc); | |
1764 | } | |
d03ab969 | 1765 | |
58507325 | 1766 | /* --- @cmd_verify@ --- */ |
1767 | ||
1768 | static unsigned xdigit(char c) | |
1769 | { | |
1770 | if ('A' <= c && c <= 'Z') return (c + 10 - 'A'); | |
1771 | if ('a' <= c && c <= 'z') return (c + 10 - 'a'); | |
1772 | if ('0' <= c && c <= '9') return (c - '0'); | |
1773 | return (~0u); | |
1774 | } | |
1775 | ||
1776 | static void unhexify(octet *q, char *p, size_t n) | |
1777 | { | |
1778 | unsigned a = 0; | |
1779 | int i = 0; | |
1780 | ||
1781 | for (;;) { | |
1782 | if (*p == '-' || *p == ':' || isspace((unsigned char)*p)) { | |
1783 | p++; | |
1784 | continue; | |
1785 | } | |
1786 | if (!n && !*p) | |
1787 | break; | |
1788 | if (!*p) | |
1789 | die(EXIT_FAILURE, "hex string too short"); | |
1790 | if (!isxdigit((unsigned char)*p)) | |
1791 | die(EXIT_FAILURE, "bad hex string"); | |
1792 | if (!n) | |
1793 | die(EXIT_FAILURE, "hex string too long"); | |
1794 | a = (a << 4) | xdigit(*p++); | |
1795 | i++; | |
1796 | if (i == 2) { | |
1797 | *q++ = U8(a); | |
1798 | a = 0; | |
1799 | i = 0; | |
1800 | n--; | |
1801 | } | |
1802 | } | |
1803 | } | |
1804 | ||
1805 | static int cmd_verify(int argc, char *argv[]) | |
1806 | { | |
1807 | key_file f; | |
1808 | int rc = 0; | |
1809 | const gchash *ch = &rmd160; | |
1810 | ghash *h; | |
1811 | key *k; | |
1812 | octet *buf; | |
1813 | const octet *fpr; | |
1814 | key_filter kf = { KF_NONSECRET, KF_NONSECRET }; | |
1815 | ||
1816 | for (;;) { | |
1817 | static struct option opt[] = { | |
1818 | { "filter", OPTF_ARGREQ, 0, 'f' }, | |
1819 | { "algorithm", OPTF_ARGREQ, 0, 'a' }, | |
1820 | { 0, 0, 0, 0 } | |
1821 | }; | |
1822 | int i = mdwopt(argc, argv, "+f:a:", opt, 0, 0, 0); | |
1823 | if (i < 0) | |
1824 | break; | |
1825 | switch (i) { | |
1826 | case 'f': { | |
1827 | char *p; | |
1828 | int err = key_readflags(optarg, &p, &kf.f, &kf.m); | |
1829 | if (err || *p) | |
1830 | die(EXIT_FAILURE, "bad filter string `%s'", optarg); | |
1831 | } break; | |
1832 | case 'a': | |
1833 | if ((ch = ghash_byname(optarg)) == 0) | |
1834 | die(EXIT_FAILURE, "unknown hash algorithm `%s'", optarg); | |
1835 | break; | |
1836 | default: | |
1837 | rc = 1; | |
1838 | break; | |
1839 | } | |
1840 | } | |
1841 | ||
1842 | argv += optind; argc -= optind; | |
1843 | if (rc || argc != 2) | |
1844 | die(EXIT_FAILURE, "Usage: verify [-f FILTER] TAG FINGERPRINT"); | |
1845 | ||
1846 | doopen(&f, KOPEN_READ); | |
1847 | ||
1848 | if ((k = key_bytag(&f, argv[0])) == 0) | |
1849 | die(EXIT_FAILURE, "key `%s' not found", argv[0]); | |
1850 | buf = xmalloc(ch->hashsz); | |
1851 | unhexify(buf, argv[1], ch->hashsz); | |
1852 | h = GH_INIT(ch); | |
1853 | if (!key_fingerprint(k, h, &kf)) | |
1854 | die(EXIT_FAILURE, "key has no fingerprintable components (as filtered)"); | |
1855 | fpr = GH_DONE(h, 0); | |
1856 | if (memcmp(fpr, buf, ch->hashsz) != 0) | |
1857 | die(EXIT_FAILURE, "key fingerprint mismatch"); | |
e9be047b | 1858 | doclose(&f); |
58507325 | 1859 | return (0); |
1860 | } | |
45c0fd36 | 1861 | |
252c122d | 1862 | /* --- @cmd_comment@ --- */ |
d03ab969 | 1863 | |
252c122d | 1864 | static int cmd_comment(int argc, char *argv[]) |
1865 | { | |
1866 | key_file f; | |
1867 | key *k; | |
1868 | int err; | |
d03ab969 | 1869 | |
252c122d | 1870 | if (argc < 2 || argc > 3) |
c65df279 | 1871 | die(EXIT_FAILURE, "Usage: comment TAG [COMMENT]"); |
252c122d | 1872 | doopen(&f, KOPEN_WRITE); |
1873 | if ((k = key_bytag(&f, argv[1])) == 0) | |
1874 | die(EXIT_FAILURE, "key `%s' not found", argv[1]); | |
1875 | if ((err = key_setcomment(&f, k, argv[2])) != 0) | |
1876 | die(EXIT_FAILURE, "bad comment `%s': %s", argv[2], key_strerror(err)); | |
1877 | doclose(&f); | |
1878 | return (0); | |
1879 | } | |
d03ab969 | 1880 | |
252c122d | 1881 | /* --- @cmd_tag@ --- */ |
d03ab969 | 1882 | |
252c122d | 1883 | static int cmd_tag(int argc, char *argv[]) |
1884 | { | |
1885 | key_file f; | |
1886 | key *k; | |
1887 | int err; | |
ce70ec47 | 1888 | unsigned flags = 0; |
1889 | int rc = 0; | |
d03ab969 | 1890 | |
ce70ec47 | 1891 | for (;;) { |
1892 | static struct option opt[] = { | |
1893 | { "retag", 0, 0, 'r' }, | |
1894 | { 0, 0, 0, 0 } | |
1895 | }; | |
1896 | int i = mdwopt(argc, argv, "+r", opt, 0, 0, 0); | |
1897 | if (i < 0) | |
1898 | break; | |
1899 | switch (i) { | |
1900 | case 'r': | |
1901 | flags |= f_retag; | |
1902 | break; | |
1903 | default: | |
1904 | rc = 1; | |
1905 | break; | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | argv += optind; argc -= optind; | |
1910 | if (argc < 1 || argc > 2 || rc) | |
c65df279 | 1911 | die(EXIT_FAILURE, "Usage: tag [-r] TAG [NEW-TAG]"); |
252c122d | 1912 | doopen(&f, KOPEN_WRITE); |
ce70ec47 | 1913 | if (flags & f_retag) { |
1914 | if ((k = key_bytag(&f, argv[1])) != 0 && strcmp(k->tag, argv[1]) == 0) | |
1915 | key_settag(&f, k, 0); | |
1916 | } | |
1917 | if ((k = key_bytag(&f, argv[0])) == 0) | |
1918 | die(EXIT_FAILURE, "key `%s' not found", argv[0]); | |
1919 | if ((err = key_settag(&f, k, argv[1])) != 0) | |
1920 | die(EXIT_FAILURE, "bad tag `%s': %s", argv[1], key_strerror(err)); | |
252c122d | 1921 | doclose(&f); |
1922 | return (0); | |
1923 | } | |
d03ab969 | 1924 | |
252c122d | 1925 | /* --- @cmd_lock@ --- */ |
d03ab969 | 1926 | |
252c122d | 1927 | static int cmd_lock(int argc, char *argv[]) |
1928 | { | |
1929 | key_file f; | |
1930 | key *k; | |
ef13e9a4 | 1931 | key_data **kd; |
252c122d | 1932 | dstr d = DSTR_INIT; |
d03ab969 | 1933 | |
252c122d | 1934 | if (argc != 2) |
c65df279 | 1935 | die(EXIT_FAILURE, "Usage: lock QTAG"); |
252c122d | 1936 | doopen(&f, KOPEN_WRITE); |
1937 | if (key_qtag(&f, argv[1], &d, &k, &kd)) | |
1938 | die(EXIT_FAILURE, "key `%s' not found", argv[1]); | |
ef13e9a4 | 1939 | if ((*kd)->e == KENC_ENCRYPT && key_punlock(kd, 0, d.buf)) |
252c122d | 1940 | die(EXIT_FAILURE, "couldn't unlock key `%s'", d.buf); |
ef13e9a4 | 1941 | if (key_plock(kd, 0, d.buf)) |
252c122d | 1942 | die(EXIT_FAILURE, "failed to lock key `%s'", d.buf); |
1943 | f.f |= KF_MODIFIED; | |
1944 | doclose(&f); | |
1945 | return (0); | |
1946 | } | |
d03ab969 | 1947 | |
252c122d | 1948 | /* --- @cmd_unlock@ --- */ |
d03ab969 | 1949 | |
252c122d | 1950 | static int cmd_unlock(int argc, char *argv[]) |
1951 | { | |
1952 | key_file f; | |
1953 | key *k; | |
ef13e9a4 | 1954 | key_data **kd; |
252c122d | 1955 | dstr d = DSTR_INIT; |
d03ab969 | 1956 | |
252c122d | 1957 | if (argc != 2) |
c65df279 | 1958 | die(EXIT_FAILURE, "Usage: unlock QTAG"); |
252c122d | 1959 | doopen(&f, KOPEN_WRITE); |
1960 | if (key_qtag(&f, argv[1], &d, &k, &kd)) | |
1961 | die(EXIT_FAILURE, "key `%s' not found", argv[1]); | |
ef13e9a4 | 1962 | if ((*kd)->e != KENC_ENCRYPT) |
252c122d | 1963 | die(EXIT_FAILURE, "key `%s' is not encrypted", d.buf); |
ef13e9a4 | 1964 | if (key_punlock(kd, 0, d.buf)) |
252c122d | 1965 | die(EXIT_FAILURE, "couldn't unlock key `%s'", d.buf); |
1966 | f.f |= KF_MODIFIED; | |
d03ab969 | 1967 | doclose(&f); |
1968 | return (0); | |
1969 | } | |
1970 | ||
1971 | /* --- @cmd_extract@ --- */ | |
1972 | ||
1973 | static int cmd_extract(int argc, char *argv[]) | |
1974 | { | |
1975 | key_file f; | |
1976 | key *k; | |
d03ab969 | 1977 | int i; |
1978 | int rc = 0; | |
252c122d | 1979 | key_filter kf = { 0, 0 }; |
694fc3a8 | 1980 | dstr d = DSTR_INIT; |
1981 | const char *outfile = 0; | |
d03ab969 | 1982 | FILE *fp; |
1983 | ||
252c122d | 1984 | for (;;) { |
1985 | static struct option opt[] = { | |
1986 | { "filter", OPTF_ARGREQ, 0, 'f' }, | |
1987 | { 0, 0, 0, 0 } | |
1988 | }; | |
1989 | int i = mdwopt(argc, argv, "f:", opt, 0, 0, 0); | |
1990 | if (i < 0) | |
1991 | break; | |
1992 | switch (i) { | |
1993 | case 'f': { | |
1994 | char *p; | |
1995 | int err = key_readflags(optarg, &p, &kf.f, &kf.m); | |
1996 | if (err || *p) | |
1997 | die(EXIT_FAILURE, "bad filter string `%s'", optarg); | |
1998 | } break; | |
1999 | default: | |
2000 | rc = 1; | |
2001 | break; | |
2002 | } | |
2003 | } | |
2004 | ||
2005 | argv += optind; argc -= optind; | |
2006 | if (rc || argc < 1) | |
c65df279 | 2007 | die(EXIT_FAILURE, "Usage: extract [-f FILTER] FILE [TAG...]"); |
252c122d | 2008 | if (strcmp(*argv, "-") == 0) |
d03ab969 | 2009 | fp = stdout; |
694fc3a8 | 2010 | else { |
2011 | outfile = *argv; | |
2012 | dstr_putf(&d, "%s.new", outfile); | |
2013 | if (!(fp = fopen(d.buf, "w"))) { | |
2014 | die(EXIT_FAILURE, "couldn't open `%s' for writing: %s", | |
2015 | d.buf, strerror(errno)); | |
2016 | } | |
d03ab969 | 2017 | } |
2018 | ||
252c122d | 2019 | doopen(&f, KOPEN_READ); |
2020 | if (argc < 2) { | |
2021 | key_iter i; | |
2022 | key *k; | |
2023 | for (key_mkiter(&i, &f); (k = key_next(&i)) != 0; ) | |
2024 | key_extract(&f, k, fp, &kf); | |
45c0fd36 | 2025 | } else { |
252c122d | 2026 | for (i = 1; i < argc; i++) { |
2027 | if ((k = key_bytag(&f, argv[i])) != 0) | |
2028 | key_extract(&f, k, fp, &kf); | |
2029 | else { | |
2030 | moan("key `%s' not found", argv[i]); | |
2031 | rc = 1; | |
2032 | } | |
d03ab969 | 2033 | } |
2034 | } | |
694fc3a8 | 2035 | if (fclose(fp) || (outfile && rename(d.buf, outfile))) |
252c122d | 2036 | die(EXIT_FAILURE, "error writing file: %s", strerror(errno)); |
694fc3a8 | 2037 | dstr_destroy(&d); |
d03ab969 | 2038 | doclose(&f); |
2039 | return (rc); | |
2040 | } | |
2041 | ||
2042 | /* --- @cmd_tidy@ --- */ | |
2043 | ||
2044 | static int cmd_tidy(int argc, char *argv[]) | |
2045 | { | |
2046 | key_file f; | |
2047 | if (argc != 1) | |
c65df279 | 2048 | die(EXIT_FAILURE, "Usage: tidy"); |
d03ab969 | 2049 | doopen(&f, KOPEN_WRITE); |
2050 | f.f |= KF_MODIFIED; /* Nasty hack */ | |
2051 | doclose(&f); | |
2052 | return (0); | |
2053 | } | |
2054 | ||
2055 | /* --- @cmd_merge@ --- */ | |
2056 | ||
2057 | static int cmd_merge(int argc, char *argv[]) | |
2058 | { | |
2059 | key_file f; | |
2060 | FILE *fp; | |
2061 | ||
2062 | if (argc != 2) | |
c65df279 | 2063 | die(EXIT_FAILURE, "Usage: merge FILE"); |
d03ab969 | 2064 | if (strcmp(argv[1], "-") == 0) |
2065 | fp = stdin; | |
2066 | else if (!(fp = fopen(argv[1], "r"))) { | |
d3296500 | 2067 | die(EXIT_FAILURE, "couldn't open `%s' for reading: %s", |
d03ab969 | 2068 | argv[1], strerror(errno)); |
2069 | } | |
2070 | ||
2071 | doopen(&f, KOPEN_WRITE); | |
252c122d | 2072 | key_merge(&f, argv[1], fp, key_moan, 0); |
d03ab969 | 2073 | doclose(&f); |
2074 | return (0); | |
2075 | } | |
2076 | ||
c65df279 | 2077 | /* --- @cmd_show@ --- */ |
2078 | ||
2079 | #define LISTS(LI) \ | |
2080 | LI("Lists", list, \ | |
2081 | listtab[i].name, listtab[i].name) \ | |
2082 | LI("Hash functions", hash, \ | |
2083 | ghashtab[i], ghashtab[i]->name) \ | |
2084 | LI("Elliptic curves", ec, \ | |
2085 | ectab[i].name, ectab[i].name) \ | |
3688eb75 | 2086 | LI("Prime Diffie-Hellman groups", dh, \ |
c65df279 | 2087 | ptab[i].name, ptab[i].name) \ |
3688eb75 | 2088 | LI("Binary Diffie-Hellman groups", bindh, \ |
2089 | bintab[i].name, bintab[i].name) \ | |
c65df279 | 2090 | LI("Key-generation algorithms", keygen, \ |
2091 | algtab[i].name, algtab[i].name) \ | |
2092 | LI("Random seeding algorithms", seed, \ | |
2093 | seedtab[i].p, seedtab[i].p) | |
2094 | ||
2095 | MAKELISTTAB(listtab, LISTS) | |
2096 | ||
2097 | static int cmd_show(int argc, char *argv[]) | |
2098 | { | |
2099 | return (displaylists(listtab, argv + 1)); | |
2100 | } | |
2101 | ||
d03ab969 | 2102 | /*----- Main command table ------------------------------------------------*/ |
2103 | ||
c65df279 | 2104 | static int cmd_help(int argc, char *argv[]); |
2105 | ||
2106 | static cmd cmds[] = { | |
2107 | { "help", cmd_help, "help [COMMAND...]" }, | |
2108 | { "show", cmd_show, "show [ITEM...]" }, | |
2109 | { "list", cmd_list, "list [-uqv] [-f FILTER] [TAG...]", "\ | |
2110 | Options:\n\ | |
2111 | \n\ | |
2112 | -u, --utc Display expiry times etc. in UTC, not local time.\n\ | |
2113 | -q, --quiet Show less information.\n\ | |
2114 | -v, --verbose Show more information.\n\ | |
2115 | " }, | |
2116 | { "fingerprint", cmd_finger, "fingerprint [-f FILTER] [TAG...]", "\ | |
2117 | Options:\n\ | |
2118 | \n\ | |
2119 | -f, --filter=FILT Only hash key components matching FILT.\n\ | |
2120 | -a, --algorithm=HASH Use the named HASH algorithm.\n\ | |
2121 | ($ show hash for list.)\n\ | |
2122 | " }, | |
58507325 | 2123 | { "verify", cmd_verify, "verify [-f FILTER] TAG FINGERPRINT", "\ |
2124 | Options:\n\ | |
2125 | \n\ | |
2126 | -f, --filter=FILT Only hash key components matching FILT.\n\ | |
2127 | -a, --algorithm=HASH Use the named HASH algorithm.\n\ | |
2128 | ($ show hash for list.)\n\ | |
2129 | " }, | |
c65df279 | 2130 | { "extract", cmd_extract, "extract [-f FILTER] FILE [TAG...]", "\ |
2131 | Options:\n\ | |
2132 | \n\ | |
2133 | -f, --filter=FILT Only extract key components matching FILT.\n\ | |
2134 | " }, | |
2135 | { "merge", cmd_merge, "merge FILE" }, | |
2136 | { "expire", cmd_expire, "expire TAG..." }, | |
2137 | { "delete", cmd_delete, "delete TAG..." }, | |
2138 | { "setattr", cmd_setattr, "setattr TAG ATTR..." }, | |
e9be047b | 2139 | { "getattr", cmd_getattr, "getattr TAG ATTR" }, |
c65df279 | 2140 | { "comment", cmd_comment, "comment TAG [COMMENT]" }, |
2141 | { "lock", cmd_lock, "lock QTAG" }, | |
2142 | { "unlock", cmd_unlock, "unlock QTAG" }, | |
2143 | { "tag", cmd_tag, "tag [-r] TAG [NEW-TAG]", "\ | |
2144 | Options:\n\ | |
2145 | \n\ | |
2146 | -r, --retag Untag any key currently called new-tag.\n\ | |
2147 | " }, | |
2148 | { "tidy", cmd_tidy, "tidy" }, | |
d03ab969 | 2149 | { "add", cmd_add, |
c65df279 | 2150 | "add [-OPTIONS] TYPE [ATTR...]\n\ |
4e67e30b | 2151 | Options: [-lqrLKS] [-a ALG] [-bB BITS] [-p PARAM] [-R TAG]\n\ |
45c0fd36 MW |
2152 | [-A SEEDALG] [-s SEED] [-n BITS] [-I KEYID]\n\ |
2153 | [-e EXPIRE] [-t TAG] [-c COMMENT]", "\ | |
ce70ec47 | 2154 | Options:\n\ |
2155 | \n\ | |
2156 | -a, --algorithm=ALG Generate keys suitable for ALG.\n\ | |
c65df279 | 2157 | ($ show keygen for list.)\n\ |
ce70ec47 | 2158 | -b, --bits=N Generate an N-bit key.\n\ |
2159 | -B, --qbits=N Use an N-bit subgroup or factors.\n\ | |
2160 | -p, --parameters=TAG Get group parameters from TAG.\n\ | |
c65df279 | 2161 | -C, --curve=NAME Use elliptic curve or DH group NAME.\n\ |
2162 | ($ show ec or $ show dh for list.)\n\ | |
2163 | -A, --seedalg=ALG Use pseudorandom generator ALG to generate key.\n\ | |
2164 | ($ show seed for list.)\n\ | |
2165 | -s, --seed=BASE64 Use Base64-encoded string BASE64 as seed.\n\ | |
2166 | -n, --newseed=COUNT Generate new COUNT-bit seed.\n\ | |
ce70ec47 | 2167 | -e, --expire=TIME Make the key expire after TIME.\n\ |
2168 | -c, --comment=STRING Attach the command STRING to the key.\n\ | |
2169 | -t, --tag=TAG Tag the key with the name TAG.\n\ | |
2170 | -r, --retag Untag any key currently with that tag.\n\ | |
2171 | -R, --rand-id=TAG Use key named TAG for the random number generator.\n\ | |
90a88ae3 | 2172 | -I, --key-id=ID Force the key-id for the new key.\n\ |
ce70ec47 | 2173 | -l, --lock Lock the generated key with a passphrase.\n\ |
2174 | -q, --quiet Don't give progress indicators while working.\n\ | |
2175 | -L, --lim-lee Generate Lim-Lee primes for Diffie-Hellman groups.\n\ | |
4e67e30b | 2176 | -K, --kcdsa Generate KCDSA-style Lim-Lee primes for DH groups.\n\ |
ce70ec47 | 2177 | -S, --subgroup Use a prime-order subgroup for Diffie-Hellman.\n\ |
2178 | " }, | |
d03ab969 | 2179 | { 0, 0, 0 } |
2180 | }; | |
2181 | ||
c65df279 | 2182 | static int cmd_help(int argc, char *argv[]) |
ce70ec47 | 2183 | { |
c65df279 | 2184 | sc_help(cmds, stdout, argv + 1); |
2185 | return (0); | |
ce70ec47 | 2186 | } |
2187 | ||
c65df279 | 2188 | /*----- Main code ---------------------------------------------------------*/ |
2189 | ||
d03ab969 | 2190 | /* --- Helpful GNUy functions --- */ |
2191 | ||
c65df279 | 2192 | static void usage(FILE *fp) |
d03ab969 | 2193 | { |
c65df279 | 2194 | pquis(fp, "Usage: $ [-k KEYRING] COMMAND [ARGS]\n"); |
d03ab969 | 2195 | } |
2196 | ||
2197 | void version(FILE *fp) | |
2198 | { | |
052b36d0 | 2199 | pquis(fp, "$, Catacomb version " VERSION "\n"); |
d03ab969 | 2200 | } |
2201 | ||
c65df279 | 2202 | void help_global(FILE *fp) |
d03ab969 | 2203 | { |
c65df279 | 2204 | usage(fp); |
2205 | fputs("\n\ | |
2206 | Performs various simple key management operations.\n\ | |
2207 | \n\ | |
2208 | Global command line options:\n\ | |
d03ab969 | 2209 | \n\ |
c65df279 | 2210 | -h, --help [COMMAND...] Display this help text (or help for COMMANDs).\n\ |
d03ab969 | 2211 | -v, --version Display version number.\n\ |
2212 | -u, --usage Display short usage summary.\n\ | |
2213 | \n\ | |
c65df279 | 2214 | -k, --keyring=FILE Read and write keys in FILE.\n", |
2215 | fp); | |
d03ab969 | 2216 | } |
2217 | ||
2218 | /* --- @main@ --- * | |
2219 | * | |
2220 | * Arguments: @int argc@ = number of command line arguments | |
2221 | * @char *argv[]@ = array of command line arguments | |
2222 | * | |
2223 | * Returns: Nonzero on failure. | |
2224 | * | |
2225 | * Use: Main program. Performs simple key management functions. | |
2226 | */ | |
2227 | ||
2228 | int main(int argc, char *argv[]) | |
2229 | { | |
2230 | unsigned f = 0; | |
2231 | ||
16efd15b | 2232 | #define f_bogus 1u |
d03ab969 | 2233 | |
2234 | /* --- Initialization --- */ | |
2235 | ||
2236 | ego(argv[0]); | |
2237 | sub_init(); | |
2238 | ||
2239 | /* --- Parse command line options --- */ | |
2240 | ||
2241 | for (;;) { | |
2242 | static struct option opt[] = { | |
2243 | ||
2244 | /* --- Standard GNUy help options --- */ | |
2245 | ||
2246 | { "help", 0, 0, 'h' }, | |
2247 | { "version", 0, 0, 'v' }, | |
2248 | { "usage", 0, 0, 'u' }, | |
2249 | ||
2250 | /* --- Real live useful options --- */ | |
2251 | ||
2252 | { "keyring", OPTF_ARGREQ, 0, 'k' }, | |
2253 | ||
2254 | /* --- Magic terminator --- */ | |
2255 | ||
2256 | { 0, 0, 0, 0 } | |
2257 | }; | |
99dde2f4 | 2258 | int i = mdwopt(argc, argv, "+hvu k:", opt, 0, 0, 0); |
d03ab969 | 2259 | |
2260 | if (i < 0) | |
2261 | break; | |
2262 | switch (i) { | |
2263 | ||
2264 | /* --- GNU help options --- */ | |
ce70ec47 | 2265 | |
d03ab969 | 2266 | case 'h': |
c65df279 | 2267 | sc_help(cmds, stdout, argv + optind); |
d03ab969 | 2268 | exit(0); |
2269 | case 'v': | |
2270 | version(stdout); | |
2271 | exit(0); | |
2272 | case 'u': | |
2273 | usage(stdout); | |
2274 | exit(0); | |
2275 | ||
2276 | /* --- Real useful options --- */ | |
2277 | ||
2278 | case 'k': | |
2279 | keyfile = optarg; | |
2280 | break; | |
2281 | ||
2282 | /* --- Bogosity --- */ | |
2283 | ||
2284 | default: | |
2285 | f |= f_bogus; | |
2286 | break; | |
2287 | } | |
2288 | } | |
2289 | ||
2290 | /* --- Complain about excessive bogons --- */ | |
2291 | ||
2292 | if (f & f_bogus || optind == argc) { | |
2293 | usage(stderr); | |
2294 | exit(1); | |
2295 | } | |
2296 | ||
052b36d0 | 2297 | /* --- Initialize the Catacomb random number generator --- */ |
2298 | ||
052b36d0 | 2299 | rand_noisesrc(RAND_GLOBAL, &noise_source); |
9219a5d6 | 2300 | rand_seed(RAND_GLOBAL, 160); |
052b36d0 | 2301 | |
d03ab969 | 2302 | /* --- Dispatch to appropriate command handler --- */ |
2303 | ||
2304 | argc -= optind; | |
2305 | argv += optind; | |
2306 | optind = 0; | |
c65df279 | 2307 | return (findcmd(cmds, argv[0])->cmd(argc, argv)); |
d03ab969 | 2308 | } |
2309 | ||
2310 | /*----- That's all, folks -------------------------------------------------*/ |