1 ;;; epg.el --- the EasyPG Library
2 ;; Copyright (C) 1999, 2000, 2002, 2003, 2004,
3 ;; 2005, 2006 Free Software Foundation, Inc.
4 ;; Copyright (C) 2006 Daiki Ueno
6 ;; Author: Daiki Ueno <ueno@unixuser.org>
7 ;; Keywords: PGP, GnuPG
9 ;; This file is part of EasyPG.
11 ;; This program is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; This program is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
32 (defcustom epg-gpg-program "gpg"
33 "The `gpg' executable."
37 (defcustom epg-gpgsm-program "gpgsm"
38 "The `gpgsm' executable."
42 (defconst epg-version-number "0.0.3")
44 (defvar epg-user-id nil
45 "GnuPG ID of your default identity.")
47 (defvar epg-user-id-alist nil
48 "An alist mapping from key ID to user ID.")
50 (defvar epg-read-point nil)
51 (defvar epg-pending-status-list nil)
52 (defvar epg-key-id nil)
53 (defvar epg-context nil)
54 (defvar epg-debug nil)
55 (defvar epg-debug-buffer nil)
57 ;; from gnupg/include/cipher.h
58 (defconst epg-cipher-algorithm-alist
70 ;; from gnupg/include/cipher.h
71 (defconst epg-pubkey-algorithm-alist
79 ;; from gnupg/include/cipher.h
80 (defconst epg-digest-algorithm-alist
88 ;; from gnupg/include/cipher.h
89 (defconst epg-compress-algorithm-alist
95 (defconst epg-invalid-recipients-reason-alist
96 '((0 . "No specific reason given")
98 (2 . "Ambigious specification")
99 (3 . "Wrong key usage")
104 (8 . "Policy mismatch")
105 (9 . "Not a secret key")
106 (10 . "Key not trusted")))
108 (defconst epg-delete-problem-reason-alist
109 '((1 . "No such key")
110 (2 . "Must delete secret key first")
111 (3 . "Ambigious specification")))
113 (defconst epg-import-ok-reason-alist
114 '((0 . "Not actually changed")
115 (1 . "Entirely new key")
117 (4 . "New signatures")
119 (16 . "Contains private key")))
121 (defconst epg-import-problem-reason-alist
122 '((0 . "No specific reason given")
123 (1 . "Invalid Certificate")
124 (2 . "Issuer Certificate missing")
125 (3 . "Certificate Chain too long")
126 (4 . "Error storing certificate")))
128 (defconst epg-no-data-reason-alist
129 '((1 . "No armored data")
130 (2 . "Expected a packet but did not found one")
131 (3 . "Invalid packet found, this may indicate a non OpenPGP message")
132 (4 . "Signature expected but not found")))
134 (defconst epg-unexpected-reason-alist nil)
136 (defvar epg-key-validity-alist
149 (defvar epg-key-capablity-alist
153 (?a . authentication)))
155 (defvar epg-new-signature-type-alist
160 (defvar epg-dn-type-alist
161 '(("1.2.840.113549.1.9.1" . "EMail")
165 ("0.2.262.1.10.7.20" . "NameDistinguisher")
166 ("2.5.4.16" . "ADDR")
169 ("2.5.4.17" . "PostalCode")
170 ("2.5.4.65" . "Pseudo")
171 ("2.5.4.5" . "SerialNumber")))
173 (defvar epg-prompt-alist nil)
175 (defun epg-make-data-from-file (file)
176 "Make a data object from FILE."
177 (cons 'epg-data (vector file nil)))
179 (defun epg-make-data-from-string (string)
180 "Make a data object from STRING."
181 (cons 'epg-data (vector nil string)))
183 (defun epg-data-file (data)
184 "Return the file of DATA."
185 (unless (eq (car data) 'epg-data)
186 (signal 'wrong-type-argument (list 'epg-data-p data)))
189 (defun epg-data-string (data)
190 "Return the string of DATA."
191 (unless (eq (car data) 'epg-data)
192 (signal 'wrong-type-argument (list 'epg-data-p data)))
195 (defun epg-make-context (&optional protocol armor textmode include-certs
196 cipher-algorithm digest-algorithm
198 "Return a context object."
200 (vector (or protocol 'OpenPGP) armor textmode include-certs
201 cipher-algorithm digest-algorithm compress-algorithm
202 #'epg-passphrase-callback-function
203 #'epg-progress-callback-function
204 nil nil nil nil nil)))
206 (defun epg-context-protocol (context)
207 "Return the protocol used within CONTEXT."
208 (unless (eq (car context) 'epg-context)
209 (signal 'wrong-type-argument (list 'epg-context-p context)))
210 (aref (cdr context) 0))
212 (defun epg-context-armor (context)
213 "Return t if the output shouled be ASCII armored in CONTEXT."
214 (unless (eq (car context) 'epg-context)
215 (signal 'wrong-type-argument (list 'epg-context-p context)))
216 (aref (cdr context) 1))
218 (defun epg-context-textmode (context)
219 "Return t if canonical text mode should be used in CONTEXT."
220 (unless (eq (car context) 'epg-context)
221 (signal 'wrong-type-argument (list 'epg-context-p context)))
222 (aref (cdr context) 2))
224 (defun epg-context-include-certs (context)
225 "Return how many certificates should be included in an S/MIME signed
227 (unless (eq (car context) 'epg-context)
228 (signal 'wrong-type-argument (list 'epg-context-p context)))
229 (aref (cdr context) 3))
231 (defun epg-context-cipher-algorithm (context)
232 "Return the cipher algorithm in CONTEXT."
233 (unless (eq (car context) 'epg-context)
234 (signal 'wrong-type-argument (list 'epg-context-p context)))
235 (aref (cdr context) 4))
237 (defun epg-context-digest-algorithm (context)
238 "Return the digest algorithm in CONTEXT."
239 (unless (eq (car context) 'epg-context)
240 (signal 'wrong-type-argument (list 'epg-context-p context)))
241 (aref (cdr context) 5))
243 (defun epg-context-compress-algorithm (context)
244 "Return the compress algorithm in CONTEXT."
245 (unless (eq (car context) 'epg-context)
246 (signal 'wrong-type-argument (list 'epg-context-p context)))
247 (aref (cdr context) 6))
249 (defun epg-context-passphrase-callback (context)
250 "Return the function used to query passphrase."
251 (unless (eq (car context) 'epg-context)
252 (signal 'wrong-type-argument (list 'epg-context-p context)))
253 (aref (cdr context) 7))
255 (defun epg-context-progress-callback (context)
256 "Return the function which handles progress update."
257 (unless (eq (car context) 'epg-context)
258 (signal 'wrong-type-argument (list 'epg-context-p context)))
259 (aref (cdr context) 8))
261 (defun epg-context-signers (context)
262 "Return the list of key-id for singning."
263 (unless (eq (car context) 'epg-context)
264 (signal 'wrong-type-argument (list 'epg-context-p context)))
265 (aref (cdr context) 9))
267 (defun epg-context-process (context)
268 "Return the process object of `epg-gpg-program'.
269 This function is for internal use only."
270 (unless (eq (car context) 'epg-context)
271 (signal 'wrong-type-argument (list 'epg-context-p context)))
272 (aref (cdr context) 10))
274 (defun epg-context-output-file (context)
275 "Return the output file of `epg-gpg-program'.
276 This function is for internal use only."
277 (unless (eq (car context) 'epg-context)
278 (signal 'wrong-type-argument (list 'epg-context-p context)))
279 (aref (cdr context) 11))
281 (defun epg-context-result (context)
282 "Return the result of the previous cryptographic operation."
283 (unless (eq (car context) 'epg-context)
284 (signal 'wrong-type-argument (list 'epg-context-p context)))
285 (aref (cdr context) 12))
287 (defun epg-context-operation (context)
288 "Return the name of the current cryptographic operation."
289 (unless (eq (car context) 'epg-context)
290 (signal 'wrong-type-argument (list 'epg-context-p context)))
291 (aref (cdr context) 13))
293 (defun epg-context-set-protocol (context protocol)
294 "Set the protocol used within CONTEXT."
295 (unless (eq (car context) 'epg-context)
296 (signal 'wrong-type-argument (list 'epg-context-p context)))
297 (aset (cdr context) 0 protocol))
299 (defun epg-context-set-armor (context armor)
300 "Specify if the output shouled be ASCII armored in CONTEXT."
301 (unless (eq (car context) 'epg-context)
302 (signal 'wrong-type-argument (list 'epg-context-p context)))
303 (aset (cdr context) 1 armor))
305 (defun epg-context-set-textmode (context textmode)
306 "Specify if canonical text mode should be used in CONTEXT."
307 (unless (eq (car context) 'epg-context)
308 (signal 'wrong-type-argument (list 'epg-context-p context)))
309 (aset (cdr context) 2 textmode))
311 (defun epg-context-set-include-certs (context include-certs)
312 "Set how many certificates should be included in an S/MIME signed message."
313 (unless (eq (car context) 'epg-context)
314 (signal 'wrong-type-argument (list 'epg-context-p context)))
315 (aset (cdr context) 3 include-certs))
317 (defun epg-context-set-cipher-algorithm (context cipher-algorithm)
318 "Set the cipher algorithm in CONTEXT."
319 (unless (eq (car context) 'epg-context)
320 (signal 'wrong-type-argument (list 'epg-context-p context)))
321 (aset (cdr context) 4 cipher-algorithm))
323 (defun epg-context-set-digest-algorithm (context digest-algorithm)
324 "Set the digest algorithm in CONTEXT."
325 (unless (eq (car context) 'epg-context)
326 (signal 'wrong-type-argument (list 'epg-context-p context)))
327 (aset (cdr context) 5 digest-algorithm))
329 (defun epg-context-set-compress-algorithm (context compress-algorithm)
330 "Set the compress algorithm in CONTEXT."
331 (unless (eq (car context) 'epg-context)
332 (signal 'wrong-type-argument (list 'epg-context-p context)))
333 (aset (cdr context) 6 compress-algorithm))
335 (defun epg-context-set-passphrase-callback (context
337 "Set the function used to query passphrase."
338 (unless (eq (car context) 'epg-context)
339 (signal 'wrong-type-argument (list 'epg-context-p context)))
340 (aset (cdr context) 7 passphrase-callback))
342 (defun epg-context-set-progress-callback (context progress-callback)
343 "Set the function which handles progress update."
344 (unless (eq (car context) 'epg-context)
345 (signal 'wrong-type-argument (list 'epg-context-p context)))
346 (aset (cdr context) 8 progress-callback))
348 (defun epg-context-set-signers (context signers)
349 "Set the list of key-id for singning."
350 (unless (eq (car context) 'epg-context)
351 (signal 'wrong-type-argument (list 'epg-context-p context)))
352 (aset (cdr context) 9 signers))
354 (defun epg-context-set-process (context process)
355 "Set the process object of `epg-gpg-program'.
356 This function is for internal use only."
357 (unless (eq (car context) 'epg-context)
358 (signal 'wrong-type-argument (list 'epg-context-p context)))
359 (aset (cdr context) 10 process))
361 (defun epg-context-set-output-file (context output-file)
362 "Set the output file of `epg-gpg-program'.
363 This function is for internal use only."
364 (unless (eq (car context) 'epg-context)
365 (signal 'wrong-type-argument (list 'epg-context-p context)))
366 (aset (cdr context) 11 output-file))
368 (defun epg-context-set-result (context result)
369 "Set the result of the previous cryptographic operation."
370 (unless (eq (car context) 'epg-context)
371 (signal 'wrong-type-argument (list 'epg-context-p context)))
372 (aset (cdr context) 12 result))
374 (defun epg-context-set-operation (context operation)
375 "Set the name of the current cryptographic operation."
376 (unless (eq (car context) 'epg-context)
377 (signal 'wrong-type-argument (list 'epg-context-p context)))
378 (aset (cdr context) 13 operation))
380 (defun epg-make-signature (status &optional key-id)
381 "Return a signature object."
382 (cons 'epg-signature (vector status key-id nil nil nil nil nil nil nil nil)))
384 (defun epg-signature-status (signature)
385 "Return the status code of SIGNATURE."
386 (unless (eq (car signature) 'epg-signature)
387 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
388 (aref (cdr signature) 0))
390 (defun epg-signature-key-id (signature)
391 "Return the key-id of SIGNATURE."
392 (unless (eq (car signature) 'epg-signature)
393 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
394 (aref (cdr signature) 1))
396 (defun epg-signature-validity (signature)
397 "Return the validity of SIGNATURE."
398 (unless (eq (car signature) 'epg-signature)
399 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
400 (aref (cdr signature) 2))
402 (defun epg-signature-fingerprint (signature)
403 "Return the fingerprint of SIGNATURE."
404 (unless (eq (car signature) 'epg-signature)
405 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
406 (aref (cdr signature) 3))
408 (defun epg-signature-creation-time (signature)
409 "Return the creation time of SIGNATURE."
410 (unless (eq (car signature) 'epg-signature)
411 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
412 (aref (cdr signature) 4))
414 (defun epg-signature-expiration-time (signature)
415 "Return the expiration time of SIGNATURE."
416 (unless (eq (car signature) 'epg-signature)
417 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
418 (aref (cdr signature) 5))
420 (defun epg-signature-pubkey-algorithm (signature)
421 "Return the public key algorithm of SIGNATURE."
422 (unless (eq (car signature) 'epg-signature)
423 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
424 (aref (cdr signature) 6))
426 (defun epg-signature-digest-algorithm (signature)
427 "Return the digest algorithm of SIGNATURE."
428 (unless (eq (car signature) 'epg-signature)
429 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
430 (aref (cdr signature) 7))
432 (defun epg-signature-class (signature)
433 "Return the class of SIGNATURE."
434 (unless (eq (car signature) 'epg-signature)
435 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
436 (aref (cdr signature) 8))
438 (defun epg-signature-version (signature)
439 "Return the version of SIGNATURE."
440 (unless (eq (car signature) 'epg-signature)
441 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
442 (aref (cdr signature) 9))
444 (defun epg-signature-set-status (signature status)
445 "Set the status code of SIGNATURE."
446 (unless (eq (car signature) 'epg-signature)
447 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
448 (aset (cdr signature) 0 status))
450 (defun epg-signature-set-key-id (signature key-id)
451 "Set the key-id of SIGNATURE."
452 (unless (eq (car signature) 'epg-signature)
453 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
454 (aset (cdr signature) 1 key-id))
456 (defun epg-signature-set-validity (signature validity)
457 "Set the validity of SIGNATURE."
458 (unless (eq (car signature) 'epg-signature)
459 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
460 (aset (cdr signature) 2 validity))
462 (defun epg-signature-set-fingerprint (signature fingerprint)
463 "Set the fingerprint of SIGNATURE."
464 (unless (eq (car signature) 'epg-signature)
465 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
466 (aset (cdr signature) 3 fingerprint))
468 (defun epg-signature-set-creation-time (signature creation-time)
469 "Set the creation time of SIGNATURE."
470 (unless (eq (car signature) 'epg-signature)
471 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
472 (aset (cdr signature) 4 creation-time))
474 (defun epg-signature-set-expiration-time (signature expiration-time)
475 "Set the expiration time of SIGNATURE."
476 (unless (eq (car signature) 'epg-signature)
477 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
478 (aset (cdr signature) 5 expiration-time))
480 (defun epg-signature-set-pubkey-algorithm (signature pubkey-algorithm)
481 "Set the public key algorithm of SIGNATURE."
482 (unless (eq (car signature) 'epg-signature)
483 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
484 (aset (cdr signature) 6 pubkey-algorithm))
486 (defun epg-signature-set-digest-algorithm (signature digest-algorithm)
487 "Set the digest algorithm of SIGNATURE."
488 (unless (eq (car signature) 'epg-signature)
489 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
490 (aset (cdr signature) 7 digest-algorithm))
492 (defun epg-signature-set-class (signature class)
493 "Set the class of SIGNATURE."
494 (unless (eq (car signature) 'epg-signature)
495 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
496 (aset (cdr signature) 8 class))
498 (defun epg-signature-set-version (signature version)
499 "Set the version of SIGNATURE."
500 (unless (eq (car signature) 'epg-signature)
501 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
502 (aset (cdr signature) 9 version))
504 (defun epg-make-new-signature (type pubkey-algorithm digest-algorithm
505 class creation-time fingerprint)
506 "Return a new signature object."
507 (cons 'epg-new-signature (vector type pubkey-algorithm digest-algorithm
508 class creation-time fingerprint)))
510 (defun epg-new-signature-type (new-signature)
511 "Return the type of NEW-SIGNATURE."
512 (unless (eq (car new-signature) 'epg-new-signature)
513 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
514 (aref (cdr new-signature) 0))
516 (defun epg-new-signature-pubkey-algorithm (new-signature)
517 "Return the public key algorithm of NEW-SIGNATURE."
518 (unless (eq (car new-signature) 'epg-new-signature)
519 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
520 (aref (cdr new-signature) 1))
522 (defun epg-new-signature-digest-algorithm (new-signature)
523 "Return the digest algorithm of NEW-SIGNATURE."
524 (unless (eq (car new-signature) 'epg-new-signature)
525 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
526 (aref (cdr new-signature) 2))
528 (defun epg-new-signature-class (new-signature)
529 "Return the class of NEW-SIGNATURE."
530 (unless (eq (car new-signature) 'epg-new-signature)
531 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
532 (aref (cdr new-signature) 3))
534 (defun epg-new-signature-creation-time (new-signature)
535 "Return the creation time of NEW-SIGNATURE."
536 (unless (eq (car new-signature) 'epg-new-signature)
537 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
538 (aref (cdr new-signature) 4))
540 (defun epg-new-signature-fingerprint (new-signature)
541 "Return the fingerprint of NEW-SIGNATURE."
542 (unless (eq (car new-signature) 'epg-new-signature)
543 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
544 (aref (cdr new-signature) 5))
546 (defun epg-make-key (owner-trust)
547 "Return a key object."
548 (cons 'epg-key (vector owner-trust nil nil)))
550 (defun epg-key-owner-trust (key)
551 "Return the owner trust of KEY."
552 (unless (eq (car key) 'epg-key)
553 (signal 'wrong-type-argument (list 'epg-key-p key)))
556 (defun epg-key-sub-key-list (key)
557 "Return the sub key list of KEY."
558 (unless (eq (car key) 'epg-key)
559 (signal 'wrong-type-argument (list 'epg-key-p key)))
562 (defun epg-key-user-id-list (key)
563 "Return the user ID list of KEY."
564 (unless (eq (car key) 'epg-key)
565 (signal 'wrong-type-argument (list 'epg-key-p key)))
568 (defun epg-key-set-sub-key-list (key sub-key-list)
569 "Set the sub key list of KEY."
570 (unless (eq (car key) 'epg-key)
571 (signal 'wrong-type-argument (list 'epg-key-p key)))
572 (aset (cdr key) 1 sub-key-list))
574 (defun epg-key-set-user-id-list (key user-id-list)
575 "Set the user ID list of KEY."
576 (unless (eq (car key) 'epg-key)
577 (signal 'wrong-type-argument (list 'epg-key-p key)))
578 (aset (cdr key) 2 user-id-list))
580 (defun epg-make-sub-key (validity capability secret-p algorithm length id
581 creation-time expiration-time)
582 "Return a sub key object."
584 (vector validity capability secret-p algorithm length id creation-time
585 expiration-time nil)))
587 (defun epg-sub-key-validity (sub-key)
588 "Return the validity of SUB-KEY."
589 (unless (eq (car sub-key) 'epg-sub-key)
590 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
591 (aref (cdr sub-key) 0))
593 (defun epg-sub-key-capability (sub-key)
594 "Return the capability of SUB-KEY."
595 (unless (eq (car sub-key) 'epg-sub-key)
596 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
597 (aref (cdr sub-key) 1))
599 (defun epg-sub-key-secret-p (sub-key)
600 "Return non-nil if SUB-KEY is a secret key."
601 (unless (eq (car sub-key) 'epg-sub-key)
602 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
603 (aref (cdr sub-key) 2))
605 (defun epg-sub-key-algorithm (sub-key)
606 "Return the algorithm of SUB-KEY."
607 (unless (eq (car sub-key) 'epg-sub-key)
608 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
609 (aref (cdr sub-key) 3))
611 (defun epg-sub-key-length (sub-key)
612 "Return the length of SUB-KEY."
613 (unless (eq (car sub-key) 'epg-sub-key)
614 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
615 (aref (cdr sub-key) 4))
617 (defun epg-sub-key-id (sub-key)
618 "Return the ID of SUB-KEY."
619 (unless (eq (car sub-key) 'epg-sub-key)
620 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
621 (aref (cdr sub-key) 5))
623 (defun epg-sub-key-creation-time (sub-key)
624 "Return the creation time of SUB-KEY."
625 (unless (eq (car sub-key) 'epg-sub-key)
626 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
627 (aref (cdr sub-key) 6))
629 (defun epg-sub-key-expiration-time (sub-key)
630 "Return the expiration time of SUB-KEY."
631 (unless (eq (car sub-key) 'epg-sub-key)
632 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
633 (aref (cdr sub-key) 7))
635 (defun epg-sub-key-fingerprint (sub-key)
636 "Return the fingerprint of SUB-KEY."
637 (unless (eq (car sub-key) 'epg-sub-key)
638 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
639 (aref (cdr sub-key) 8))
641 (defun epg-sub-key-set-fingerprint (sub-key fingerprint)
642 "Set the fingerprint of SUB-KEY.
643 This function is for internal use only."
644 (unless (eq (car sub-key) 'epg-sub-key)
645 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
646 (aset (cdr sub-key) 8 fingerprint))
648 (defun epg-make-user-id (validity string)
649 "Return a user ID object."
650 (cons 'epg-user-id (vector validity string nil)))
652 (defun epg-user-id-validity (user-id)
653 "Return the validity of USER-ID."
654 (unless (eq (car user-id) 'epg-user-id)
655 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
656 (aref (cdr user-id) 0))
658 (defun epg-user-id-string (user-id)
659 "Return the name of USER-ID."
660 (unless (eq (car user-id) 'epg-user-id)
661 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
662 (aref (cdr user-id) 1))
664 (defun epg-user-id-signature-list (user-id)
665 "Return the signature list of USER-ID."
666 (unless (eq (car user-id) 'epg-user-id)
667 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
668 (aref (cdr user-id) 2))
670 (defun epg-user-id-set-signature-list (user-id signature-list)
671 "Set the signature list of USER-ID."
672 (unless (eq (car user-id) 'epg-user-id)
673 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
674 (aset (cdr user-id) 2 signature-list))
676 (defun epg-make-key-signature (validity pubkey-algorithm key-id creation-time
677 expiration-time user-id class
679 "Return a key signature object."
680 (cons 'epg-key-signature
681 (vector validity pubkey-algorithm key-id creation-time expiration-time
682 user-id class exportable-p)))
684 (defun epg-key-signature-validity (key-signature)
685 "Return the validity of KEY-SIGNATURE."
686 (unless (eq (car key-signature) 'epg-key-signature)
687 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
688 (aref (cdr key-signature) 0))
690 (defun epg-key-signature-pubkey-algorithm (key-signature)
691 "Return the public key algorithm of KEY-SIGNATURE."
692 (unless (eq (car key-signature) 'epg-key-signature)
693 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
694 (aref (cdr key-signature) 1))
696 (defun epg-key-signature-key-id (key-signature)
697 "Return the key-id of KEY-SIGNATURE."
698 (unless (eq (car key-signature) 'epg-key-signature)
699 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
700 (aref (cdr key-signature) 2))
702 (defun epg-key-signature-creation-time (key-signature)
703 "Return the creation time of KEY-SIGNATURE."
704 (unless (eq (car key-signature) 'epg-key-signature)
705 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
706 (aref (cdr key-signature) 3))
708 (defun epg-key-signature-expiration-time (key-signature)
709 "Return the expiration time of KEY-SIGNATURE."
710 (unless (eq (car key-signature) 'epg-key-signature)
711 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
712 (aref (cdr key-signature) 4))
714 (defun epg-key-signature-user-id (key-signature)
715 "Return the user-id of KEY-SIGNATURE."
716 (unless (eq (car key-signature) 'epg-key-signature)
717 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
718 (aref (cdr key-signature) 5))
720 (defun epg-key-signature-class (key-signature)
721 "Return the class of KEY-SIGNATURE."
722 (unless (eq (car key-signature) 'epg-key-signature)
723 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
724 (aref (cdr key-signature) 6))
726 (defun epg-key-signature-exportable-p (key-signature)
727 "Return t if KEY-SIGNATURE is exportable."
728 (unless (eq (car key-signature) 'epg-key-signature)
729 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
730 (aref (cdr key-signature) 7))
732 (defun epg-context-result-for (context name)
733 "Return the result of CONTEXT associated with NAME."
734 (cdr (assq name (epg-context-result context))))
736 (defun epg-context-set-result-for (context name value)
737 "Set the result of CONTEXT associated with NAME to VALUE."
738 (let* ((result (epg-context-result context))
739 (entry (assq name result)))
742 (epg-context-set-result context (cons (cons name value) result)))))
744 (defun epg-signature-to-string (signature)
745 "Convert SIGNATURE to a human readable string."
746 (let ((user-id (cdr (assoc (epg-signature-key-id signature)
747 epg-user-id-alist))))
749 (cond ((eq (epg-signature-status signature) 'good)
750 "Good signature from ")
751 ((eq (epg-signature-status signature) 'bad)
752 "Bad signature from ")
753 ((eq (epg-signature-status signature) 'expired)
754 "Expired signature from ")
755 ((eq (epg-signature-status signature) 'expired-key)
756 "Signature made by expired key ")
757 ((eq (epg-signature-status signature) 'revoked-key)
758 "Signature made by revoked key ")
759 ((eq (epg-signature-status signature) 'no-pubkey)
760 "No public key for "))
761 (epg-signature-key-id signature)
764 (concat (if (stringp user-id)
766 (epg-decode-dn user-id))
769 (if (epg-signature-validity signature)
770 (format "(trust %s)" (epg-signature-validity signature))
773 (defun epg-verify-result-to-string (verify-result)
774 "Convert VERIFY-RESULT to a human readable string."
775 (mapconcat #'epg-signature-to-string verify-result "\n"))
777 (defun epg-new-signature-to-string (new-signature)
778 "Convert NEW-SIGNATURE to a human readable string."
780 (cond ((eq (epg-new-signature-type new-signature) 'detached)
781 "Detached signature ")
782 ((eq (epg-new-signature-type new-signature) 'clear)
783 "Clear text signature ")
786 (cdr (assq (epg-new-signature-pubkey-algorithm new-signature)
787 epg-pubkey-algorithm-alist))
789 (cdr (assq (epg-new-signature-digest-algorithm new-signature)
790 epg-digest-algorithm-alist))
792 (format "%02X " (epg-new-signature-class new-signature))
793 (epg-new-signature-fingerprint new-signature)))
795 (defun epg--start (context args)
796 "Start `epg-gpg-program' in a subprocess with given ARGS."
797 (if (and (epg-context-process context)
798 (eq (process-status (epg-context-process context)) 'run))
799 (error "%s is already running in this context"
800 (if (eq (epg-context-protocol context) 'CMS)
803 (let* ((args (append (list "--no-tty"
806 (unless (eq (epg-context-protocol context) 'CMS)
807 (list "--command-fd" "0"))
808 (if (epg-context-armor context) '("--armor"))
809 (if (epg-context-textmode context) '("--textmode"))
810 (if (epg-context-output-file context)
811 (list "--output" (epg-context-output-file context)))
813 (coding-system-for-write 'binary)
814 process-connection-type
815 (orig-mode (default-file-modes))
816 (buffer (generate-new-buffer " *epg*"))
820 (unless epg-debug-buffer
821 (setq epg-debug-buffer (generate-new-buffer " *epg-debug*")))
822 (set-buffer epg-debug-buffer)
823 (goto-char (point-max))
824 (insert (format "%s %s\n"
825 (if (eq (epg-context-protocol context) 'CMS)
828 (mapconcat #'identity args " ")))))
829 (with-current-buffer buffer
830 (make-local-variable 'epg-read-point)
831 (setq epg-read-point (point-min))
832 (make-local-variable 'epg-pending-status-list)
833 (setq epg-pending-status-list nil)
834 (make-local-variable 'epg-key-id)
835 (setq epg-key-id nil)
836 (make-local-variable 'epg-context)
837 (setq epg-context context))
840 (set-default-file-modes 448)
842 (apply #'start-process "epg" buffer
843 (if (eq (epg-context-protocol context) 'CMS)
847 (set-default-file-modes orig-mode))
848 (set-process-filter process #'epg--process-filter)
849 (epg-context-set-process context process)))
851 (defun epg--process-filter (process input)
854 (unless epg-debug-buffer
855 (setq epg-debug-buffer (generate-new-buffer " *epg-debug*")))
856 (set-buffer epg-debug-buffer)
857 (goto-char (point-max))
859 (if (buffer-live-p (process-buffer process))
861 (set-buffer (process-buffer process))
862 (goto-char (point-max))
864 (goto-char epg-read-point)
866 (while (looking-at ".*\n") ;the input line finished
868 (if (looking-at "\\[GNUPG:] \\([A-Z_]+\\) ?\\(.*\\)")
869 (let* ((status (match-string 1))
870 (string (match-string 2))
871 (symbol (intern-soft (concat "epg--status-" status))))
872 (if (member status epg-pending-status-list)
873 (setq epg-pending-status-list nil))
876 (funcall symbol epg-context string)))))
878 (setq epg-read-point (point)))))
880 (defun epg-read-output (context)
881 "Read the output file CONTEXT and return the content as a string."
883 (if (fboundp 'set-buffer-multibyte)
884 (set-buffer-multibyte nil))
885 (if (file-exists-p (epg-context-output-file context))
886 (let ((coding-system-for-read 'binary))
887 (insert-file-contents (epg-context-output-file context))
890 (defun epg-wait-for-status (context status-list)
891 "Wait until one of elements in STATUS-LIST arrives."
892 (with-current-buffer (process-buffer (epg-context-process context))
893 (setq epg-pending-status-list status-list)
894 (while (and (eq (process-status (epg-context-process context)) 'run)
895 epg-pending-status-list)
896 (accept-process-output (epg-context-process context) 1))))
898 (defun epg-wait-for-completion (context)
899 "Wait until the `epg-gpg-program' process completes."
900 (while (eq (process-status (epg-context-process context)) 'run)
901 (accept-process-output (epg-context-process context) 1)))
903 (defun epg-reset (context)
905 (if (and (epg-context-process context)
906 (buffer-live-p (process-buffer (epg-context-process context))))
907 (kill-buffer (process-buffer (epg-context-process context))))
908 (epg-context-set-process context nil))
910 (defun epg-delete-output-file (context)
911 "Delete the output file of CONTEXT."
912 (if (and (epg-context-output-file context)
913 (file-exists-p (epg-context-output-file context)))
914 (delete-file (epg-context-output-file context))))
916 (defun epg--status-USERID_HINT (context string)
917 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
918 (let* ((key-id (match-string 1 string))
919 (user-id (match-string 2 string))
920 (entry (assoc key-id epg-user-id-alist)))
922 (setcdr entry user-id)
923 (setq epg-user-id-alist (cons (cons key-id user-id)
924 epg-user-id-alist))))))
926 (defun epg--status-NEED_PASSPHRASE (context string)
927 (if (string-match "\\`\\([^ ]+\\)" string)
928 (setq epg-key-id (match-string 1 string))))
930 (defun epg--status-NEED_PASSPHRASE_SYM (context string)
931 (setq epg-key-id 'SYM))
933 (defun epg--status-NEED_PASSPHRASE_PIN (context string)
934 (setq epg-key-id 'PIN))
936 (defun epg--status-GET_HIDDEN (context string)
938 (string-match "\\`passphrase\\." string))
941 passphrase-with-new-line)
947 (if (consp (epg-context-passphrase-callback context))
948 (car (epg-context-passphrase-callback context))
949 (epg-context-passphrase-callback context))
952 (if (consp (epg-context-passphrase-callback context))
953 (cdr (epg-context-passphrase-callback context)))))
955 (setq passphrase-with-new-line (concat passphrase "\n"))
956 (fillarray passphrase 0)
957 (setq passphrase nil)
958 (process-send-string (epg-context-process context)
959 passphrase-with-new-line)))
961 (epg-context-set-result-for
964 (epg-context-result-for context 'error)))
965 (delete-process (epg-context-process context))))
967 (fillarray passphrase 0))
968 (if passphrase-with-new-line
969 (fillarray passphrase-with-new-line 0))))))
971 (defun epg--status-GET_BOOL (context string)
972 (let ((entry (assoc string epg-prompt-alist))
975 (if (y-or-n-p (if entry (cdr entry) (concat string "? ")))
976 (process-send-string (epg-context-process context) "y\n")
977 (process-send-string (epg-context-process context) "n\n"))
979 (epg-context-set-result-for
982 (epg-context-result-for context 'error)))
983 (delete-process (epg-context-process context))))))
985 (defun epg--status-GET_LINE (context string)
986 (let ((entry (assoc string epg-prompt-alist))
989 (process-send-string (epg-context-process context)
993 (concat string ": ")))
996 (epg-context-set-result-for
999 (epg-context-result-for context 'error)))
1000 (delete-process (epg-context-process context))))))
1002 (defun epg--status-*SIG (context status string)
1003 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
1004 (let* ((key-id (match-string 1 string))
1005 (user-id (match-string 2 string))
1006 (entry (assoc key-id epg-user-id-alist)))
1007 (epg-context-set-result-for
1010 (cons (epg-make-signature status key-id)
1011 (epg-context-result-for context 'verify)))
1012 (if (eq (epg-context-protocol context) 'CMS)
1014 (setq user-id (epg-dn-from-string user-id))
1017 (setcdr entry user-id)
1018 (setq epg-user-id-alist
1019 (cons (cons key-id user-id) epg-user-id-alist))))
1020 (epg-context-set-result-for
1023 (cons (epg-make-signature status)
1024 (epg-context-result-for context 'verify)))))
1026 (defun epg--status-GOODSIG (context string)
1027 (epg--status-*SIG context 'good string))
1029 (defun epg--status-EXPSIG (context string)
1030 (epg--status-*SIG context 'expired string))
1032 (defun epg--status-EXPKEYSIG (context string)
1033 (epg--status-*SIG context 'expired-key string))
1035 (defun epg--status-REVKEYSIG (context string)
1036 (epg--status-*SIG context 'revoked-key string))
1038 (defun epg--status-BADSIG (context string)
1039 (epg--status-*SIG context 'bad string))
1041 (defun epg--status-NO_PUBKEY (context string)
1042 (let ((signature (car (epg-context-result-for context 'verify))))
1044 (eq (epg-signature-status signature) 'error)
1045 (equal (epg-signature-key-id signature) string))
1046 (epg-signature-set-status signature 'no-pubkey))))
1048 (defun epg--time-from-seconds (seconds)
1049 (let ((number-seconds (string-to-number (concat seconds ".0"))))
1050 (cons (floor (/ number-seconds 65536))
1051 (floor (mod number-seconds 65536)))))
1053 (defun epg--status-ERRSIG (context string)
1054 (if (string-match "\\`\\([^ ]+\\) \\([0-9]+\\) \\([0-9]+\\) \
1055 \\([0-9A-Fa-f][0-9A-Fa-f]\\) \\([^ ]+\\) \\([0-9]+\\)"
1057 (let ((signature (epg-make-signature 'error)))
1058 (epg-context-set-result-for
1062 (epg-context-result-for context 'verify)))
1063 (epg-signature-set-key-id
1065 (match-string 1 string))
1066 (epg-signature-set-pubkey-algorithm
1068 (string-to-number (match-string 2 string)))
1069 (epg-signature-set-digest-algorithm
1071 (string-to-number (match-string 3 string)))
1072 (epg-signature-set-class
1074 (string-to-number (match-string 4 string) 16))
1075 (epg-signature-set-creation-time
1077 (epg--time-from-seconds (match-string 5 string))))))
1079 (defun epg--status-VALIDSIG (context string)
1080 (let ((signature (car (epg-context-result-for context 'verify))))
1081 (when (and signature
1082 (eq (epg-signature-status signature) 'good)
1083 (string-match "\\`\\([^ ]+\\) [^ ]+ \\([^ ]+\\) \\([^ ]+\\) \
1084 \\([0-9]+\\) [^ ]+ \\([0-9]+\\) \\([0-9]+\\) \\([0-9A-Fa-f][0-9A-Fa-f]\\) \
1087 (epg-signature-set-fingerprint
1089 (match-string 1 string))
1090 (epg-signature-set-creation-time
1092 (epg--time-from-seconds (match-string 2 string)))
1093 (epg-signature-set-expiration-time
1095 (epg--time-from-seconds (match-string 3 string)))
1096 (epg-signature-set-version
1098 (string-to-number (match-string 4 string)))
1099 (epg-signature-set-pubkey-algorithm
1101 (string-to-number (match-string 5 string)))
1102 (epg-signature-set-digest-algorithm
1104 (string-to-number (match-string 6 string)))
1105 (epg-signature-set-class
1107 (string-to-number (match-string 7 string) 16)))))
1109 (defun epg--status-TRUST_UNDEFINED (context string)
1110 (let ((signature (car (epg-context-result-for context 'verify))))
1112 (eq (epg-signature-status signature) 'good))
1113 (epg-signature-set-validity signature 'undefined))))
1115 (defun epg--status-TRUST_NEVER (context string)
1116 (let ((signature (car (epg-context-result-for context 'verify))))
1118 (eq (epg-signature-status signature) 'good))
1119 (epg-signature-set-validity signature 'never))))
1121 (defun epg--status-TRUST_MARGINAL (context string)
1122 (let ((signature (car (epg-context-result-for context 'verify))))
1124 (eq (epg-signature-status signature) 'marginal))
1125 (epg-signature-set-validity signature 'marginal))))
1127 (defun epg--status-TRUST_FULLY (context string)
1128 (let ((signature (car (epg-context-result-for context 'verify))))
1130 (eq (epg-signature-status signature) 'good))
1131 (epg-signature-set-validity signature 'full))))
1133 (defun epg--status-TRUST_ULTIMATE (context string)
1134 (let ((signature (car (epg-context-result-for context 'verify))))
1136 (eq (epg-signature-status signature) 'good))
1137 (epg-signature-set-validity signature 'ultimate))))
1139 (defun epg--status-PROGRESS (context string)
1140 (if (string-match "\\`\\([^ ]+\\) \\([^ ]\\) \\([0-9]+\\) \\([0-9]+\\)"
1142 (funcall (if (consp (epg-context-progress-callback context))
1143 (car (epg-context-progress-callback context))
1144 (epg-context-progress-callback context))
1146 (match-string 1 string)
1147 (match-string 2 string)
1148 (string-to-number (match-string 3 string))
1149 (string-to-number (match-string 4 string))
1150 (if (consp (epg-context-progress-callback context))
1151 (cdr (epg-context-progress-callback context))))))
1153 (defun epg--status-DECRYPTION_FAILED (context string)
1154 (epg-context-set-result-for
1156 (cons '(decryption-failed)
1157 (epg-context-result-for context 'error))))
1159 (defun epg--status-NODATA (context string)
1160 (epg-context-set-result-for
1162 (cons (list 'no-data (cons 'reason (string-to-number string)))
1163 (epg-context-result-for context 'error))))
1165 (defun epg--status-UNEXPECTED (context string)
1166 (epg-context-set-result-for
1168 (cons (list 'unexpected (cons 'reason (string-to-number string)))
1169 (epg-context-result-for context 'error))))
1171 (defun epg--status-KEYEXPIRED (context string)
1172 (epg-context-set-result-for
1174 (cons (list 'key-expired (cons 'expiration-time
1175 (epg--time-from-seconds string)))
1176 (epg-context-result-for context 'error))))
1178 (defun epg--status-KEYREVOKED (context string)
1179 (epg-context-set-result-for
1181 (cons '(key-revoked)
1182 (epg-context-result-for context 'error))))
1184 (defun epg--status-BADARMOR (context string)
1185 (epg-context-set-result-for
1188 (epg-context-result-for context 'error))))
1190 (defun epg--status-INV_RECP (context string)
1191 (if (string-match "\\`\\([0-9]+\\) \\(.*\\)" string)
1192 (epg-context-set-result-for
1194 (cons (list 'invalid-recipient
1196 (string-to-number (match-string 1 string)))
1197 (cons 'requested-recipient
1198 (match-string 2 string)))
1199 (epg-context-result-for context 'error)))))
1201 (defun epg--status-NO_RECP (context string)
1202 (epg-context-set-result-for
1204 (cons '(no-recipients)
1205 (epg-context-result-for context 'error))))
1207 (defun epg--status-DELETE_PROBLEM (context string)
1208 (if (string-match "\\`\\([0-9]+\\)" string)
1209 (epg-context-set-result-for
1211 (cons (list 'delete-problem
1212 (cons 'reason (string-to-number (match-string 1 string))))
1213 (epg-context-result-for context 'error)))))
1215 (defun epg--status-SIG_CREATED (context string)
1216 (if (string-match "\\`\\([DCS]\\) \\([0-9]+\\) \\([0-9]+\\) \
1217 \\([0-9A-Fa-F][0-9A-Fa-F]\\) \\(.*\\) " string)
1218 (epg-context-set-result-for
1220 (cons (epg-make-new-signature
1221 (cdr (assq (aref (match-string 1 string) 0)
1222 epg-new-signature-type-alist))
1223 (string-to-number (match-string 2 string))
1224 (string-to-number (match-string 3 string))
1225 (string-to-number (match-string 4 string) 16)
1226 (epg--time-from-seconds (match-string 5 string))
1227 (substring string (match-end 0)))
1228 (epg-context-result-for context 'sign)))))
1230 (defun epg--status-KEY_CREATED (context string)
1231 (if (string-match "\\`\\([BPS]\\) \\([^ ]+\\)" string)
1232 (epg-context-set-result-for
1233 context 'generate-key
1234 (cons (list (cons 'type (string-to-char (match-string 1 string)))
1235 (cons 'fingerprint (match-string 2 string)))
1236 (epg-context-result-for context 'generate-key)))))
1238 (defun epg--status-KEY_NOT_CREATED (context string)
1239 (epg-context-set-result-for
1241 (cons '(key-not-created)
1242 (epg-context-result-for context 'error))))
1244 (defun epg--status-IMPORTED (context string)
1245 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
1246 (let* ((key-id (match-string 1 string))
1247 (user-id (match-string 2 string))
1248 (entry (assoc key-id epg-user-id-alist)))
1250 (setcdr entry user-id)
1251 (setq epg-user-id-alist (cons (cons key-id user-id)
1252 epg-user-id-alist)))
1253 (epg-context-set-result-for
1255 (cons (list (cons 'key-id key-id)
1256 (cons 'user-id user-id))
1257 (epg-context-result-for context 'import))))))
1259 (defun epg--status-IMPORT_OK (context string)
1260 (let ((result (epg-context-result-for context 'import)))
1262 (string-match "\\`\\([0-9]+\\)\\( \\(.+\\)\\)?" string))
1264 (append (list (cons 'reason
1266 (match-string 1 string))))
1267 (if (match-beginning 2)
1268 (list (cons 'fingerprint
1269 (match-string 3 string))))
1272 (defun epg--status-IMPORT_PROBLEM (context string)
1273 (if (string-match "\\`\\([0-9]+\\)\\( \\(.+\\)\\)?" string)
1274 (epg-context-set-result-for
1276 (cons (cons 'import-problem
1277 (append (list (cons 'reason
1279 (match-string 1 string))))
1280 (if (match-beginning 2)
1281 (list (cons 'fingerprint
1282 (match-string 3 string))))))
1283 (epg-context-result-for context 'error)))))
1285 (defun epg-passphrase-callback-function (context key-id handback)
1286 (if (eq key-id 'SYM)
1287 (read-passwd "Passphrase for symmetric encryption: "
1288 (eq (epg-context-operation context) 'encrypt))
1290 (if (eq key-id 'PIN)
1291 "Passphrase for PIN: "
1292 (let ((entry (assoc key-id epg-user-id-alist)))
1294 (format "Passphrase for %s %s: " key-id (cdr entry))
1295 (format "Passphrase for %s: " key-id)))))))
1297 (defun epg-progress-callback-function (context what char current total
1299 (message "%s: %d%%/%d%%" what current total))
1301 (defun epg-configuration ()
1302 "Return a list of internal configuration parameters of `epg-gpg-program'."
1305 (apply #'call-process epg-gpg-program nil (list t nil) nil
1306 '("--with-colons" "--list-config"))
1307 (goto-char (point-min))
1308 (while (re-search-forward "^cfg:\\([^:]+\\):\\(.*\\)" nil t)
1309 (setq type (intern (match-string 1))
1310 config (cons (cons type
1312 '(pubkey cipher digest compress))
1313 (mapcar #'string-to-number
1314 (delete "" (split-string
1321 (defun epg--list-keys-1 (context name mode)
1322 (let ((args (append (list "--with-colons" "--no-greeting" "--batch"
1323 "--with-fingerprint"
1324 "--with-fingerprint"
1325 (if (memq mode '(t secret))
1326 "--list-secret-keys"
1327 (if (memq mode '(nil public))
1330 (unless (eq (epg-context-protocol context) 'CMS)
1331 '("--fixed-list-mode"))
1332 (if name (list name))))
1333 keys string field index)
1335 (apply #'call-process
1336 (if (eq (epg-context-protocol context) 'CMS)
1339 nil (list t nil) nil args)
1340 (goto-char (point-min))
1341 (while (re-search-forward "^[a-z][a-z][a-z]:.*" nil t)
1342 (setq keys (cons (make-vector 15 nil) keys)
1343 string (match-string 0)
1347 (string-match "\\([^:]+\\)?:" string index))
1348 (setq index (match-end 0))
1349 (aset (car keys) field (match-string 1 string))
1350 (setq field (1+ field))))
1353 (defun epg--make-sub-key-1 (line)
1356 (cdr (assq (string-to-char (aref line 1)) epg-key-validity-alist)))
1358 (mapcar (lambda (char) (cdr (assq char epg-key-capablity-alist)))
1360 (member (aref line 0) '("sec" "ssb"))
1361 (string-to-number (aref line 3))
1362 (string-to-number (aref line 2))
1364 (epg--time-from-seconds (aref line 5))
1365 (epg--time-from-seconds (aref line 6))))
1368 (defun epg-list-keys (context &optional name mode)
1369 "Return a list of epg-key objects matched with NAME.
1370 If MODE is nil or 'public, only public keyring should be searched.
1371 If MODE is t or 'secret, only secret keyring should be searched.
1372 Otherwise, only public keyring should be searched and the key
1373 signatures should be included."
1374 (let ((lines (epg--list-keys-1 context name mode))
1375 keys cert pointer pointer-1)
1378 ((member (aref (car lines) 0) '("pub" "sec" "crt" "crs"))
1379 (setq cert (member (aref (car lines) 0) '("crt" "crs"))
1380 keys (cons (epg-make-key
1381 (if (aref (car lines) 8)
1382 (cdr (assq (string-to-char (aref (car lines) 8))
1383 epg-key-validity-alist))))
1385 (epg-key-set-sub-key-list
1387 (cons (epg--make-sub-key-1 (car lines))
1388 (epg-key-sub-key-list (car keys)))))
1389 ((member (aref (car lines) 0) '("sub" "ssb"))
1390 (epg-key-set-sub-key-list
1392 (cons (epg--make-sub-key-1 (car lines))
1393 (epg-key-sub-key-list (car keys)))))
1394 ((equal (aref (car lines) 0) "uid")
1395 (epg-key-set-user-id-list
1397 (cons (epg-make-user-id
1398 (if (aref (car lines) 1)
1399 (cdr (assq (string-to-char (aref (car lines) 1))
1400 epg-key-validity-alist)))
1403 (epg-dn-from-string (aref (car lines) 9))
1404 (error (aref (car lines) 9)))
1405 (aref (car lines) 9)))
1406 (epg-key-user-id-list (car keys)))))
1407 ((equal (aref (car lines) 0) "fpr")
1408 (epg-sub-key-set-fingerprint (car (epg-key-sub-key-list (car keys)))
1409 (aref (car lines) 9)))
1410 ((equal (aref (car lines) 0) "sig")
1411 (epg-user-id-set-signature-list
1412 (car (epg-key-user-id-list (car keys)))
1414 (epg-make-key-signature
1415 (if (aref (car lines) 1)
1416 (cdr (assq (string-to-char (aref (car lines) 1))
1417 epg-key-validity-alist)))
1418 (string-to-number (aref (car lines) 3))
1419 (aref (car lines) 4)
1420 (epg--time-from-seconds (aref (car lines) 5))
1421 (epg--time-from-seconds (aref (car lines) 6))
1422 (aref (car lines) 9)
1423 (string-to-number (aref (car lines) 10) 16)
1424 (eq (aref (aref (car lines) 10) 2) ?x))
1425 (epg-user-id-signature-list
1426 (car (epg-key-user-id-list (car keys))))))))
1427 (setq lines (cdr lines)))
1428 (setq keys (nreverse keys)
1431 (epg-key-set-sub-key-list
1433 (nreverse (epg-key-sub-key-list (car pointer))))
1434 (setq pointer-1 (epg-key-set-user-id-list
1436 (nreverse (epg-key-user-id-list (car pointer)))))
1438 (epg-user-id-set-signature-list
1440 (nreverse (epg-user-id-signature-list (car pointer-1))))
1441 (setq pointer-1 (cdr pointer-1)))
1442 (setq pointer (cdr pointer)))
1445 (if (fboundp 'make-temp-file)
1446 (defalias 'epg--make-temp-file 'make-temp-file)
1447 (defvar temporary-file-directory)
1448 ;; stolen from poe.el.
1449 (defun epg--make-temp-file (prefix)
1450 "Create a temporary file.
1451 The returned file name (created by appending some random characters at the end
1452 of PREFIX, and expanding against `temporary-file-directory' if necessary),
1453 is guaranteed to point to a newly created empty file.
1454 You can then use `write-region' to write new data into the file."
1455 (let (tempdir tempfile)
1456 (setq prefix (expand-file-name prefix
1457 (if (featurep 'xemacs)
1459 temporary-file-directory)))
1462 ;; First, create a temporary directory.
1463 (while (condition-case ()
1465 (setq tempdir (make-temp-name
1467 (file-name-directory prefix)
1469 ;; return nil or signal an error.
1470 (make-directory tempdir))
1472 (file-already-exists t)))
1473 (set-file-modes tempdir 448)
1474 ;; Second, create a temporary file in the tempdir.
1475 ;; There *is* a race condition between `make-temp-name'
1476 ;; and `write-region', but we don't care it since we are
1477 ;; in a private directory now.
1478 (setq tempfile (make-temp-name (concat tempdir "/EMU")))
1479 (write-region "" nil tempfile nil 'silent)
1480 (set-file-modes tempfile 384)
1481 ;; Finally, make a hard-link from the tempfile.
1482 (while (condition-case ()
1484 (setq file (make-temp-name prefix))
1485 ;; return nil or signal an error.
1486 (add-name-to-file tempfile file))
1488 (file-already-exists t)))
1490 ;; Cleanup the tempfile.
1492 (file-exists-p tempfile)
1493 (delete-file tempfile))
1494 ;; Cleanup the tempdir.
1496 (file-directory-p tempdir)
1497 (delete-directory tempdir))))))
1500 (defun epg-cancel (context)
1501 (if (buffer-live-p (process-buffer (epg-context-process context)))
1503 (set-buffer (process-buffer (epg-context-process context)))
1504 (epg-context-set-result-for
1507 (epg-context-result-for epg-context 'error)))))
1508 (if (eq (process-status (epg-context-process context)) 'run)
1509 (delete-process (epg-context-process context))))
1512 (defun epg-start-decrypt (context cipher)
1513 "Initiate a decrypt operation on CIPHER.
1514 CIPHER is a data object.
1516 If you use this function, you will need to wait for the completion of
1517 `epg-gpg-program' by using `epg-wait-for-completion' and call
1518 `epg-reset' to clear a temporaly output file.
1519 If you are unsure, use synchronous version of this function
1520 `epg-decrypt-file' or `epg-decrypt-string' instead."
1521 (unless (epg-data-file cipher)
1522 (error "Not a file"))
1523 (epg-context-set-operation context 'decrypt)
1524 (epg-context-set-result context nil)
1525 (epg--start context (list "--decrypt" (epg-data-file cipher)))
1526 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1527 (unless (eq (epg-context-protocol context) 'CMS)
1528 (epg-wait-for-status context '("BEGIN_DECRYPTION"))))
1531 (defun epg-decrypt-file (context cipher plain)
1532 "Decrypt a file CIPHER and store the result to a file PLAIN.
1533 If PLAIN is nil, it returns the result as a string."
1537 (epg-context-set-output-file context plain)
1538 (epg-context-set-output-file context
1539 (epg--make-temp-file "epg-output")))
1540 (epg-start-decrypt context (epg-make-data-from-file cipher))
1541 (epg-wait-for-completion context)
1542 (if (epg-context-result-for context 'error)
1543 (error "Decrypt failed: %S"
1544 (epg-context-result-for context 'error)))
1546 (epg-read-output context)))
1548 (epg-delete-output-file context))
1549 (epg-reset context)))
1552 (defun epg-decrypt-string (context cipher)
1553 "Decrypt a string CIPHER and return the plain text."
1554 (let ((input-file (epg--make-temp-file "epg-input"))
1555 (coding-system-for-write 'binary))
1558 (write-region cipher nil input-file nil 'quiet)
1559 (epg-context-set-output-file context
1560 (epg--make-temp-file "epg-output"))
1561 (epg-start-decrypt context (epg-make-data-from-file input-file))
1562 (epg-wait-for-completion context)
1563 (if (epg-context-result-for context 'error)
1564 (error "Decrypt failed: %S"
1565 (epg-context-result-for context 'error)))
1566 (epg-read-output context))
1567 (epg-delete-output-file context)
1568 (if (file-exists-p input-file)
1569 (delete-file input-file))
1570 (epg-reset context))))
1573 (defun epg-start-verify (context signature &optional signed-text)
1574 "Initiate a verify operation on SIGNATURE.
1575 SIGNATURE and SIGNED-TEXT are a data object if they are specified.
1577 For a detached signature, both SIGNATURE and SIGNED-TEXT should be set.
1578 For a normal or a clear text signature, SIGNED-TEXT should be nil.
1580 If you use this function, you will need to wait for the completion of
1581 `epg-gpg-program' by using `epg-wait-for-completion' and call
1582 `epg-reset' to clear a temporaly output file.
1583 If you are unsure, use synchronous version of this function
1584 `epg-verify-file' or `epg-verify-string' instead."
1585 (epg-context-set-operation context 'verify)
1586 (epg-context-set-result context nil)
1588 ;; Detached signature.
1589 (if (epg-data-file signed-text)
1590 (epg--start context (list "--verify" (epg-data-file signature)
1591 (epg-data-file signed-text)))
1592 (epg--start context (list "--verify" (epg-data-file signature) "-"))
1593 (if (eq (process-status (epg-context-process context)) 'run)
1594 (process-send-string (epg-context-process context)
1595 (epg-data-string signed-text)))
1596 (if (eq (process-status (epg-context-process context)) 'run)
1597 (process-send-eof (epg-context-process context))))
1598 ;; Normal (or cleartext) signature.
1599 (if (epg-data-file signature)
1600 (epg--start context (list "--verify" (epg-data-file signature)))
1601 (epg--start context (list "--verify"))
1602 (if (eq (process-status (epg-context-process context)) 'run)
1603 (process-send-string (epg-context-process context)
1604 (epg-data-string signature)))
1605 (if (eq (process-status (epg-context-process context)) 'run)
1606 (process-send-eof (epg-context-process context))))))
1609 (defun epg-verify-file (context signature &optional signed-text plain)
1610 "Verify a file SIGNATURE.
1611 SIGNED-TEXT and PLAIN are also a file if they are specified.
1613 For a detached signature, both SIGNATURE and SIGNED-TEXT should be string.
1614 For a normal or a clear text signature, SIGNED-TEXT should be nil."
1618 (epg-context-set-output-file context plain)
1619 (epg-context-set-output-file context
1620 (epg--make-temp-file "epg-output")))
1622 (epg-start-verify context
1623 (epg-make-data-from-file signature)
1624 (epg-make-data-from-file signed-text))
1625 (epg-start-verify context
1626 (epg-make-data-from-file signature)))
1627 (epg-wait-for-completion context)
1628 ; (if (epg-context-result-for context 'error)
1629 ; (error "Verify failed: %S"
1630 ; (epg-context-result-for context 'error)))
1632 (epg-read-output context)))
1634 (epg-delete-output-file context))
1635 (epg-reset context)))
1638 (defun epg-verify-string (context signature &optional signed-text)
1639 "Verify a string SIGNATURE.
1640 SIGNED-TEXT is a string if it is specified.
1642 For a detached signature, both SIGNATURE and SIGNED-TEXT should be string.
1643 For a normal or a clear text signature, SIGNED-TEXT should be nil."
1644 (let ((coding-system-for-write 'binary)
1648 (epg-context-set-output-file context
1649 (epg--make-temp-file "epg-output"))
1652 (setq input-file (epg--make-temp-file "epg-signature"))
1653 (write-region signature nil input-file nil 'quiet)
1654 (epg-start-verify context
1655 (epg-make-data-from-file input-file)
1656 (epg-make-data-from-string signed-text)))
1657 (epg-start-verify context (epg-make-data-from-string signature)))
1658 (epg-wait-for-completion context)
1659 ; (if (epg-context-result-for context 'error)
1660 ; (error "Verify failed: %S"
1661 ; (epg-context-result-for context 'error)))
1662 (epg-read-output context))
1663 (epg-delete-output-file context)
1665 (file-exists-p input-file))
1666 (delete-file input-file))
1667 (epg-reset context))))
1670 (defun epg-start-sign (context plain &optional mode)
1671 "Initiate a sign operation on PLAIN.
1672 PLAIN is a data object.
1674 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1675 If it is nil or 'normal, it makes a normal signature.
1676 Otherwise, it makes a clear text signature.
1678 If you use this function, you will need to wait for the completion of
1679 `epg-gpg-program' by using `epg-wait-for-completion' and call
1680 `epg-reset' to clear a temporaly output file.
1681 If you are unsure, use synchronous version of this function
1682 `epg-sign-file' or `epg-sign-string' instead."
1683 (epg-context-set-operation context 'sign)
1684 (epg-context-set-result context nil)
1686 (append (list (if (memq mode '(t detached))
1688 (if (memq mode '(nil normal))
1696 (car (epg-key-sub-key-list signer)))))
1697 (epg-context-signers context)))
1698 (if (epg-data-file plain)
1699 (list (epg-data-file plain)))))
1700 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1701 (unless (eq (epg-context-protocol context) 'CMS)
1702 (epg-wait-for-status context '("BEGIN_SIGNING")))
1703 (when (epg-data-string plain)
1704 (if (eq (process-status (epg-context-process context)) 'run)
1705 (process-send-string (epg-context-process context)
1706 (epg-data-string plain)))
1707 (if (eq (process-status (epg-context-process context)) 'run)
1708 (process-send-eof (epg-context-process context)))))
1711 (defun epg-sign-file (context plain signature &optional mode)
1712 "Sign a file PLAIN and store the result to a file SIGNATURE.
1713 If SIGNATURE is nil, it returns the result as a string.
1714 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1715 If it is nil or 'normal, it makes a normal signature.
1716 Otherwise, it makes a clear text signature."
1720 (epg-context-set-output-file context signature)
1721 (epg-context-set-output-file context
1722 (epg--make-temp-file "epg-output")))
1723 (epg-start-sign context (epg-make-data-from-file plain) mode)
1724 (epg-wait-for-completion context)
1725 (unless (epg-context-result-for context 'sign)
1726 (if (epg-context-result-for context 'error)
1727 (error "Sign failed: %S"
1728 (epg-context-result-for context 'error))
1729 (error "Sign failed")))
1731 (epg-read-output context)))
1733 (epg-delete-output-file context))
1734 (epg-reset context)))
1737 (defun epg-sign-string (context plain &optional mode)
1738 "Sign a string PLAIN and return the output as string.
1739 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1740 If it is nil or 'normal, it makes a normal signature.
1741 Otherwise, it makes a clear text signature."
1744 (epg-context-set-output-file context
1745 (epg--make-temp-file "epg-output"))
1746 (epg-start-sign context (epg-make-data-from-string plain) mode)
1747 (epg-wait-for-completion context)
1748 (unless (epg-context-result-for context 'sign)
1749 (if (epg-context-result-for context 'error)
1750 (error "Sign failed: %S"
1751 (epg-context-result-for context 'error))
1752 (error "Sign failed")))
1753 (epg-read-output context))
1754 (epg-delete-output-file context)
1755 (epg-reset context)))
1758 (defun epg-start-encrypt (context plain recipients
1759 &optional sign always-trust)
1760 "Initiate an encrypt operation on PLAIN.
1761 PLAIN is a data object.
1762 If RECIPIENTS is nil, it performs symmetric encryption.
1764 If you use this function, you will need to wait for the completion of
1765 `epg-gpg-program' by using `epg-wait-for-completion' and call
1766 `epg-reset' to clear a temporaly output file.
1767 If you are unsure, use synchronous version of this function
1768 `epg-encrypt-file' or `epg-encrypt-string' instead."
1769 (epg-context-set-operation context 'encrypt)
1770 (epg-context-set-result context nil)
1772 (append (if always-trust '("--always-trust"))
1773 (if recipients '("--encrypt") '("--symmetric"))
1777 (mapcar (lambda (signer)
1779 (epg-context-signers context)))))
1785 (car (epg-key-sub-key-list recipient)))))
1787 (if (epg-data-file plain)
1788 (list (epg-data-file plain)))))
1789 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1790 (unless (eq (epg-context-protocol context) 'CMS)
1792 (epg-wait-for-status context '("BEGIN_SIGNING"))
1793 (epg-wait-for-status context '("BEGIN_ENCRYPTION"))))
1794 (when (epg-data-string plain)
1795 (if (eq (process-status (epg-context-process context)) 'run)
1796 (process-send-string (epg-context-process context)
1797 (epg-data-string plain)))
1798 (if (eq (process-status (epg-context-process context)) 'run)
1799 (process-send-eof (epg-context-process context)))))
1802 (defun epg-encrypt-file (context plain recipients
1803 cipher &optional sign always-trust)
1804 "Encrypt a file PLAIN and store the result to a file CIPHER.
1805 If CIPHER is nil, it returns the result as a string.
1806 If RECIPIENTS is nil, it performs symmetric encryption."
1810 (epg-context-set-output-file context cipher)
1811 (epg-context-set-output-file context
1812 (epg--make-temp-file "epg-output")))
1813 (epg-start-encrypt context (epg-make-data-from-file plain)
1814 recipients sign always-trust)
1815 (epg-wait-for-completion context)
1817 (not (epg-context-result-for context 'sign)))
1818 (if (epg-context-result-for context 'error)
1819 (error "Sign failed: %S"
1820 (epg-context-result-for context 'error))
1821 (error "Sign failed")))
1822 (if (epg-context-result-for context 'error)
1823 (error "Encrypt failed: %S"
1824 (epg-context-result-for context 'error)))
1826 (epg-read-output context)))
1828 (epg-delete-output-file context))
1829 (epg-reset context)))
1832 (defun epg-encrypt-string (context plain recipients
1833 &optional sign always-trust)
1834 "Encrypt a string PLAIN.
1835 If RECIPIENTS is nil, it performs symmetric encryption."
1838 (epg-context-set-output-file context
1839 (epg--make-temp-file "epg-output"))
1840 (epg-start-encrypt context (epg-make-data-from-string plain)
1841 recipients sign always-trust)
1842 (epg-wait-for-completion context)
1844 (not (epg-context-result-for context 'sign)))
1845 (if (epg-context-result-for context 'error)
1846 (error "Sign failed: %S"
1847 (epg-context-result-for context 'error))
1848 (error "Sign failed")))
1849 (if (epg-context-result-for context 'error)
1850 (error "Encrypt failed: %S"
1851 (epg-context-result-for context 'error)))
1852 (epg-read-output context))
1853 (epg-delete-output-file context)
1854 (epg-reset context)))
1857 (defun epg-start-export-keys (context keys)
1858 "Initiate an export keys operation.
1860 If you use this function, you will need to wait for the completion of
1861 `epg-gpg-program' by using `epg-wait-for-completion' and call
1862 `epg-reset' to clear a temporaly output file.
1863 If you are unsure, use synchronous version of this function
1864 `epg-export-keys-to-file' or `epg-export-keys-to-string' instead."
1865 (epg-context-set-operation context 'export-keys)
1866 (epg-context-set-result context nil)
1867 (epg--start context (cons "--export"
1871 (car (epg-key-sub-key-list key))))
1875 (defun epg-export-keys-to-file (context keys file)
1876 "Extract public KEYS."
1880 (epg-context-set-output-file context file)
1881 (epg-context-set-output-file context
1882 (epg--make-temp-file "epg-output")))
1883 (epg-start-export-keys context keys)
1884 (epg-wait-for-completion context)
1885 (if (epg-context-result-for context 'error)
1886 (error "Export keys failed: %S"
1887 (epg-context-result-for context 'error)))
1889 (epg-read-output context)))
1891 (epg-delete-output-file context))
1892 (epg-reset context)))
1895 (defun epg-export-keys-to-string (context keys)
1896 "Extract public KEYS and return them as a string."
1897 (epg-export-keys-to-file context keys nil))
1900 (defun epg-start-import-keys (context keys)
1901 "Initiate an import keys operation.
1902 KEYS is a data object.
1904 If you use this function, you will need to wait for the completion of
1905 `epg-gpg-program' by using `epg-wait-for-completion' and call
1906 `epg-reset' to clear a temporaly output file.
1907 If you are unsure, use synchronous version of this function
1908 `epg-import-keys-from-file' or `epg-import-keys-from-string' instead."
1909 (epg-context-set-operation context 'import-keys)
1910 (epg-context-set-result context nil)
1911 (epg--start context (if (epg-data-file keys)
1912 (list "--import" (epg-data-file keys))
1914 (when (epg-data-string keys)
1915 (if (eq (process-status (epg-context-process context)) 'run)
1916 (process-send-string (epg-context-process context)
1917 (epg-data-string keys)))
1918 (if (eq (process-status (epg-context-process context)) 'run)
1919 (process-send-eof (epg-context-process context)))))
1921 (defun epg--import-keys-1 (context keys)
1924 (epg-start-import-keys context keys)
1925 (epg-wait-for-completion context)
1926 (if (epg-context-result-for context 'error)
1927 (error "Import keys failed: %S"
1928 (epg-context-result-for context 'error))))
1929 (epg-reset context)))
1932 (defun epg-import-keys-from-file (context keys)
1933 "Add keys from a file KEYS."
1934 (epg--import-keys-1 context (epg-make-data-from-file keys)))
1937 (defun epg-import-keys-from-string (context keys)
1938 "Add keys from a string KEYS."
1939 (epg--import-keys-1 context (epg-make-data-from-string keys)))
1942 (defun epg-start-receive-keys (context key-id-list)
1943 "Initiate a receive key operation.
1944 KEY-ID-LIST is a list of key IDs.
1946 If you use this function, you will need to wait for the completion of
1947 `epg-gpg-program' by using `epg-wait-for-completion' and call
1948 `epg-reset' to clear a temporaly output file.
1949 If you are unsure, use synchronous version of this function
1950 `epg-generate-key-from-file' or `epg-generate-key-from-string' instead."
1951 (epg-context-set-operation context 'receive-keys)
1952 (epg-context-set-result context nil)
1953 (epg--start context (cons "--recv-keys" key-id-list)))
1956 (defun epg-receive-keys (context keys)
1957 "Add keys from server.
1958 KEYS is a list of key IDs"
1961 (epg-start-receive-keys context keys)
1962 (epg-wait-for-completion context)
1963 (if (epg-context-result-for context 'error)
1964 (error "Receive keys failed: %S"
1965 (epg-context-result-for context 'error))))
1966 (epg-reset context)))
1969 (defalias 'epg-import-keys-from-server 'epg-receive-keys)
1972 (defun epg-start-delete-keys (context keys &optional allow-secret)
1973 "Initiate an delete keys operation.
1975 If you use this function, you will need to wait for the completion of
1976 `epg-gpg-program' by using `epg-wait-for-completion' and call
1977 `epg-reset' to clear a temporaly output file.
1978 If you are unsure, use synchronous version of this function
1979 `epg-delete-keys' instead."
1980 (epg-context-set-operation context 'delete-keys)
1981 (epg-context-set-result context nil)
1982 (epg--start context (cons (if allow-secret
1983 "--delete-secret-key"
1988 (car (epg-key-sub-key-list key))))
1992 (defun epg-delete-keys (context keys &optional allow-secret)
1993 "Delete KEYS from the key ring."
1996 (epg-start-delete-keys context keys allow-secret)
1997 (epg-wait-for-completion context)
1998 (if (epg-context-result-for context 'error)
1999 (error "Delete keys failed: %S"
2000 (epg-context-result-for context 'error))))
2001 (epg-reset context)))
2004 (defun epg-start-sign-keys (context keys &optional local)
2005 "Initiate an sign keys operation.
2007 If you use this function, you will need to wait for the completion of
2008 `epg-gpg-program' by using `epg-wait-for-completion' and call
2009 `epg-reset' to clear a temporaly output file.
2010 If you are unsure, use synchronous version of this function
2011 `epg-sign-keys' instead."
2012 (epg-context-set-operation context 'sign-keys)
2013 (epg-context-set-result context nil)
2014 (epg--start context (cons (if local
2020 (car (epg-key-sub-key-list key))))
2024 (defun epg-sign-keys (context keys &optional local)
2025 "Sign KEYS from the key ring."
2028 (epg-start-sign-keys context keys local)
2029 (epg-wait-for-completion context)
2030 (if (epg-context-result-for context 'error)
2031 (error "Sign keys failed: %S"
2032 (epg-context-result-for context 'error))))
2033 (epg-reset context)))
2036 (defun epg-start-generate-key (context parameters)
2037 "Initiate a key generation.
2038 PARAMETERS specifies parameters for the key.
2040 If you use this function, you will need to wait for the completion of
2041 `epg-gpg-program' by using `epg-wait-for-completion' and call
2042 `epg-reset' to clear a temporaly output file.
2043 If you are unsure, use synchronous version of this function
2044 `epg-generate-key-from-file' or `epg-generate-key-from-string' instead."
2045 (epg-context-set-operation context 'generate-key)
2046 (epg-context-set-result context nil)
2047 (if (epg-data-file parameters)
2048 (epg--start context (list "--batch" "--genkey"
2049 (epg-data-file parameters)))
2050 (epg--start context '("--batch" "--genkey"))
2051 (if (eq (process-status (epg-context-process context)) 'run)
2052 (process-send-string (epg-context-process context)
2053 (epg-data-string parameters)))
2054 (if (eq (process-status (epg-context-process context)) 'run)
2055 (process-send-eof (epg-context-process context)))))
2058 (defun epg-generate-key-from-file (context parameters)
2059 "Generate a new key pair.
2060 PARAMETERS is a file which tells how to create the key."
2063 (epg-start-generate-key context (epg-make-data-from-file parameters))
2064 (epg-wait-for-completion context)
2065 (if (epg-context-result-for context 'error)
2066 (error "Generate key failed: %S"
2067 (epg-context-result-for context 'error))))
2068 (epg-reset context)))
2071 (defun epg-generate-key-from-string (context parameters)
2072 "Generate a new key pair.
2073 PARAMETERS is a string which tells how to create the key."
2076 (epg-start-generate-key context (epg-make-data-from-string parameters))
2077 (epg-wait-for-completion context)
2078 (if (epg-context-result-for context 'error)
2079 (error "Generate key failed: %S"
2080 (epg-context-result-for context 'error))))
2081 (epg-reset context)))
2083 (defun epg--decode-hexstring (string)
2085 (while (eq index (string-match "[0-9A-Fa-f][0-9A-Fa-f]" string index))
2086 (setq string (replace-match "\\x\\&" t nil string)
2088 (car (read-from-string (concat "\"" string "\"")))))
2090 (defun epg--decode-quotedstring (string)
2092 (while (string-match "\\\\\\(\\([,=+<>#;\\\"]\\)\\|\
2093 \\([0-9A-Fa-f][0-9A-Fa-f]\\)\\|\\(.\\)\\)"
2095 (if (match-beginning 2)
2096 (setq string (replace-match "\\2" t nil string)
2098 (if (match-beginning 3)
2099 (setq string (replace-match "\\x\\3" t nil string)
2101 (setq string (replace-match "\\\\\\\\\\4" t nil string)
2102 index (+ index 3)))))
2103 (car (read-from-string (concat "\"" string "\"")))))
2105 (defun epg-dn-from-string (string)
2106 "Parse STRING as LADPv3 Distinguished Names (RFC2253).
2107 The return value is an alist mapping from types to values."
2109 (length (length string))
2110 alist type value group)
2111 (while (< index length)
2112 (if (eq index (string-match "[ \t\n\r]*" string index))
2113 (setq index (match-end 0)))
2114 (if (eq index (string-match
2115 "\\([0-9]+\\(\\.[0-9]+\\)*\\)\[ \t\n\r]*=[ \t\n\r]*"
2117 (setq type (match-string 1 string)
2118 index (match-end 0))
2119 (if (eq index (string-match "\\([0-9A-Za-z]+\\)[ \t\n\r]*=[ \t\n\r]*"
2121 (setq type (match-string 1 string)
2122 index (match-end 0))))
2124 (error "Invalid type"))
2125 (if (eq index (string-match
2126 "\\([^,=+<>#;\\\"]\\|\\\\.\\)+"
2128 (setq index (match-end 0)
2129 value (epg--decode-quotedstring (match-string 0 string)))
2130 (if (eq index (string-match "#\\([0-9A-Fa-f]+\\)" string index))
2131 (setq index (match-end 0)
2132 value (epg--decode-hexstring (match-string 1 string)))
2133 (if (eq index (string-match "\"\\([^\\\"]\\|\\\\.\\)*\""
2135 (setq index (match-end 0)
2136 value (epg--decode-quotedstring
2137 (match-string 0 string))))))
2139 (if (stringp (car (car alist)))
2140 (setcar alist (list (cons type value) (car alist)))
2141 (setcar alist (cons (cons type value) (car alist))))
2142 (if (consp (car (car alist)))
2143 (setcar alist (nreverse (car alist))))
2144 (setq alist (cons (cons type value) alist)
2147 (if (eq index (string-match "[ \t\n\r]*\\([,;+]\\)" string index))
2148 (setq index (match-end 0)
2149 group (eq (aref string (match-beginning 1)) ?+))))
2152 (defun epg-decode-dn (alist)
2153 "Convert ALIST returned by `epg-dn-from-string' to a human readable form.
2154 Type names are resolved using `epg-dn-type-alist'."
2157 (if (stringp (car rdn))
2158 (let ((entry (assoc (car rdn) epg-dn-type-alist)))
2160 (format "%s=%s" (cdr entry) (cdr rdn))
2161 (format "%s=%s" (car rdn) (cdr rdn))))
2162 (concat "(" (epg-decode-dn rdn) ")")))
2168 ;;; epg.el ends here