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 (defcustom epg-gpg-home-directory nil
43 "The directory which contains the `gpg' configuration files."
45 :type '(choice (const :tag "Default" nil) directory))
47 (defcustom epg-gpgsm-home-directory nil
48 "The directory which contains the `gpgsm' configuration files."
50 :type '(choice (const :tag "Default" nil) directory))
52 (defconst epg-version-number "0.0.4")
54 (defvar epg-user-id nil
55 "GnuPG ID of your default identity.")
57 (defvar epg-user-id-alist nil
58 "An alist mapping from key ID to user ID.")
60 (defvar epg-read-point nil)
61 (defvar epg-process-filter-running nil)
62 (defvar epg-pending-status-list nil)
63 (defvar epg-key-id nil)
64 (defvar epg-context nil)
65 (defvar epg-debug nil)
66 (defvar epg-debug-buffer nil)
68 ;; from gnupg/include/cipher.h
69 (defconst epg-cipher-algorithm-alist
81 ;; from gnupg/include/cipher.h
82 (defconst epg-pubkey-algorithm-alist
90 ;; from gnupg/include/cipher.h
91 (defconst epg-digest-algorithm-alist
99 ;; from gnupg/include/cipher.h
100 (defconst epg-compress-algorithm-alist
106 (defconst epg-invalid-recipients-reason-alist
107 '((0 . "No specific reason given")
109 (2 . "Ambigious specification")
110 (3 . "Wrong key usage")
115 (8 . "Policy mismatch")
116 (9 . "Not a secret key")
117 (10 . "Key not trusted")))
119 (defconst epg-delete-problem-reason-alist
120 '((1 . "No such key")
121 (2 . "Must delete secret key first")
122 (3 . "Ambigious specification")))
124 (defconst epg-import-ok-reason-alist
125 '((0 . "Not actually changed")
126 (1 . "Entirely new key")
128 (4 . "New signatures")
130 (16 . "Contains private key")))
132 (defconst epg-import-problem-reason-alist
133 '((0 . "No specific reason given")
134 (1 . "Invalid Certificate")
135 (2 . "Issuer Certificate missing")
136 (3 . "Certificate Chain too long")
137 (4 . "Error storing certificate")))
139 (defconst epg-no-data-reason-alist
140 '((1 . "No armored data")
141 (2 . "Expected a packet but did not found one")
142 (3 . "Invalid packet found, this may indicate a non OpenPGP message")
143 (4 . "Signature expected but not found")))
145 (defconst epg-unexpected-reason-alist nil)
147 (defvar epg-key-validity-alist
160 (defvar epg-key-capablity-alist
164 (?a . authentication)))
166 (defvar epg-new-signature-type-alist
171 (defvar epg-dn-type-alist
172 '(("1.2.840.113549.1.9.1" . "EMail")
176 ("0.2.262.1.10.7.20" . "NameDistinguisher")
177 ("2.5.4.16" . "ADDR")
180 ("2.5.4.17" . "PostalCode")
181 ("2.5.4.65" . "Pseudo")
182 ("2.5.4.5" . "SerialNumber")))
184 (defvar epg-prompt-alist nil)
186 (defun epg-make-data-from-file (file)
187 "Make a data object from FILE."
188 (cons 'epg-data (vector file nil)))
190 (defun epg-make-data-from-string (string)
191 "Make a data object from STRING."
192 (cons 'epg-data (vector nil string)))
194 (defun epg-data-file (data)
195 "Return the file of DATA."
196 (unless (eq (car data) 'epg-data)
197 (signal 'wrong-type-argument (list 'epg-data-p data)))
200 (defun epg-data-string (data)
201 "Return the string of DATA."
202 (unless (eq (car data) 'epg-data)
203 (signal 'wrong-type-argument (list 'epg-data-p data)))
206 (defun epg-make-context (&optional protocol armor textmode include-certs
207 cipher-algorithm digest-algorithm
209 "Return a context object."
211 (vector (or protocol 'OpenPGP) armor textmode include-certs
212 cipher-algorithm digest-algorithm compress-algorithm
213 #'epg-passphrase-callback-function
214 #'epg-progress-callback-function
215 nil nil nil nil nil)))
217 (defun epg-context-protocol (context)
218 "Return the protocol used within CONTEXT."
219 (unless (eq (car context) 'epg-context)
220 (signal 'wrong-type-argument (list 'epg-context-p context)))
221 (aref (cdr context) 0))
223 (defun epg-context-armor (context)
224 "Return t if the output shouled be ASCII armored in CONTEXT."
225 (unless (eq (car context) 'epg-context)
226 (signal 'wrong-type-argument (list 'epg-context-p context)))
227 (aref (cdr context) 1))
229 (defun epg-context-textmode (context)
230 "Return t if canonical text mode should be used in CONTEXT."
231 (unless (eq (car context) 'epg-context)
232 (signal 'wrong-type-argument (list 'epg-context-p context)))
233 (aref (cdr context) 2))
235 (defun epg-context-include-certs (context)
236 "Return how many certificates should be included in an S/MIME signed
238 (unless (eq (car context) 'epg-context)
239 (signal 'wrong-type-argument (list 'epg-context-p context)))
240 (aref (cdr context) 3))
242 (defun epg-context-cipher-algorithm (context)
243 "Return the cipher algorithm in CONTEXT."
244 (unless (eq (car context) 'epg-context)
245 (signal 'wrong-type-argument (list 'epg-context-p context)))
246 (aref (cdr context) 4))
248 (defun epg-context-digest-algorithm (context)
249 "Return the digest algorithm in CONTEXT."
250 (unless (eq (car context) 'epg-context)
251 (signal 'wrong-type-argument (list 'epg-context-p context)))
252 (aref (cdr context) 5))
254 (defun epg-context-compress-algorithm (context)
255 "Return the compress algorithm in CONTEXT."
256 (unless (eq (car context) 'epg-context)
257 (signal 'wrong-type-argument (list 'epg-context-p context)))
258 (aref (cdr context) 6))
260 (defun epg-context-passphrase-callback (context)
261 "Return the function used to query passphrase."
262 (unless (eq (car context) 'epg-context)
263 (signal 'wrong-type-argument (list 'epg-context-p context)))
264 (aref (cdr context) 7))
266 (defun epg-context-progress-callback (context)
267 "Return the function which handles progress update."
268 (unless (eq (car context) 'epg-context)
269 (signal 'wrong-type-argument (list 'epg-context-p context)))
270 (aref (cdr context) 8))
272 (defun epg-context-signers (context)
273 "Return the list of key-id for singning."
274 (unless (eq (car context) 'epg-context)
275 (signal 'wrong-type-argument (list 'epg-context-p context)))
276 (aref (cdr context) 9))
278 (defun epg-context-process (context)
279 "Return the process object of `epg-gpg-program'.
280 This function is for internal use only."
281 (unless (eq (car context) 'epg-context)
282 (signal 'wrong-type-argument (list 'epg-context-p context)))
283 (aref (cdr context) 10))
285 (defun epg-context-output-file (context)
286 "Return the output file of `epg-gpg-program'.
287 This function is for internal use only."
288 (unless (eq (car context) 'epg-context)
289 (signal 'wrong-type-argument (list 'epg-context-p context)))
290 (aref (cdr context) 11))
292 (defun epg-context-result (context)
293 "Return the result of the previous cryptographic operation."
294 (unless (eq (car context) 'epg-context)
295 (signal 'wrong-type-argument (list 'epg-context-p context)))
296 (aref (cdr context) 12))
298 (defun epg-context-operation (context)
299 "Return the name of the current cryptographic operation."
300 (unless (eq (car context) 'epg-context)
301 (signal 'wrong-type-argument (list 'epg-context-p context)))
302 (aref (cdr context) 13))
304 (defun epg-context-set-protocol (context protocol)
305 "Set the protocol used within CONTEXT."
306 (unless (eq (car context) 'epg-context)
307 (signal 'wrong-type-argument (list 'epg-context-p context)))
308 (aset (cdr context) 0 protocol))
310 (defun epg-context-set-armor (context armor)
311 "Specify if the output shouled be ASCII armored in CONTEXT."
312 (unless (eq (car context) 'epg-context)
313 (signal 'wrong-type-argument (list 'epg-context-p context)))
314 (aset (cdr context) 1 armor))
316 (defun epg-context-set-textmode (context textmode)
317 "Specify if canonical text mode should be used in CONTEXT."
318 (unless (eq (car context) 'epg-context)
319 (signal 'wrong-type-argument (list 'epg-context-p context)))
320 (aset (cdr context) 2 textmode))
322 (defun epg-context-set-include-certs (context include-certs)
323 "Set how many certificates should be included in an S/MIME signed message."
324 (unless (eq (car context) 'epg-context)
325 (signal 'wrong-type-argument (list 'epg-context-p context)))
326 (aset (cdr context) 3 include-certs))
328 (defun epg-context-set-cipher-algorithm (context cipher-algorithm)
329 "Set the cipher algorithm in CONTEXT."
330 (unless (eq (car context) 'epg-context)
331 (signal 'wrong-type-argument (list 'epg-context-p context)))
332 (aset (cdr context) 4 cipher-algorithm))
334 (defun epg-context-set-digest-algorithm (context digest-algorithm)
335 "Set the digest algorithm in CONTEXT."
336 (unless (eq (car context) 'epg-context)
337 (signal 'wrong-type-argument (list 'epg-context-p context)))
338 (aset (cdr context) 5 digest-algorithm))
340 (defun epg-context-set-compress-algorithm (context compress-algorithm)
341 "Set the compress algorithm in CONTEXT."
342 (unless (eq (car context) 'epg-context)
343 (signal 'wrong-type-argument (list 'epg-context-p context)))
344 (aset (cdr context) 6 compress-algorithm))
346 (defun epg-context-set-passphrase-callback (context
348 "Set the function used to query passphrase."
349 (unless (eq (car context) 'epg-context)
350 (signal 'wrong-type-argument (list 'epg-context-p context)))
351 (aset (cdr context) 7 passphrase-callback))
353 (defun epg-context-set-progress-callback (context progress-callback)
354 "Set the function which handles progress update."
355 (unless (eq (car context) 'epg-context)
356 (signal 'wrong-type-argument (list 'epg-context-p context)))
357 (aset (cdr context) 8 progress-callback))
359 (defun epg-context-set-signers (context signers)
360 "Set the list of key-id for singning."
361 (unless (eq (car context) 'epg-context)
362 (signal 'wrong-type-argument (list 'epg-context-p context)))
363 (aset (cdr context) 9 signers))
365 (defun epg-context-set-process (context process)
366 "Set the process object of `epg-gpg-program'.
367 This function is for internal use only."
368 (unless (eq (car context) 'epg-context)
369 (signal 'wrong-type-argument (list 'epg-context-p context)))
370 (aset (cdr context) 10 process))
372 (defun epg-context-set-output-file (context output-file)
373 "Set the output file of `epg-gpg-program'.
374 This function is for internal use only."
375 (unless (eq (car context) 'epg-context)
376 (signal 'wrong-type-argument (list 'epg-context-p context)))
377 (aset (cdr context) 11 output-file))
379 (defun epg-context-set-result (context result)
380 "Set the result of the previous cryptographic operation."
381 (unless (eq (car context) 'epg-context)
382 (signal 'wrong-type-argument (list 'epg-context-p context)))
383 (aset (cdr context) 12 result))
385 (defun epg-context-set-operation (context operation)
386 "Set the name of the current cryptographic operation."
387 (unless (eq (car context) 'epg-context)
388 (signal 'wrong-type-argument (list 'epg-context-p context)))
389 (aset (cdr context) 13 operation))
391 (defun epg-make-signature (status &optional key-id)
392 "Return a signature object."
393 (cons 'epg-signature (vector status key-id nil nil nil nil nil nil nil nil)))
395 (defun epg-signature-status (signature)
396 "Return the status code of SIGNATURE."
397 (unless (eq (car signature) 'epg-signature)
398 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
399 (aref (cdr signature) 0))
401 (defun epg-signature-key-id (signature)
402 "Return the key-id of SIGNATURE."
403 (unless (eq (car signature) 'epg-signature)
404 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
405 (aref (cdr signature) 1))
407 (defun epg-signature-validity (signature)
408 "Return the validity of SIGNATURE."
409 (unless (eq (car signature) 'epg-signature)
410 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
411 (aref (cdr signature) 2))
413 (defun epg-signature-fingerprint (signature)
414 "Return the fingerprint of SIGNATURE."
415 (unless (eq (car signature) 'epg-signature)
416 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
417 (aref (cdr signature) 3))
419 (defun epg-signature-creation-time (signature)
420 "Return the creation time of SIGNATURE."
421 (unless (eq (car signature) 'epg-signature)
422 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
423 (aref (cdr signature) 4))
425 (defun epg-signature-expiration-time (signature)
426 "Return the expiration time of SIGNATURE."
427 (unless (eq (car signature) 'epg-signature)
428 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
429 (aref (cdr signature) 5))
431 (defun epg-signature-pubkey-algorithm (signature)
432 "Return the public key algorithm of SIGNATURE."
433 (unless (eq (car signature) 'epg-signature)
434 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
435 (aref (cdr signature) 6))
437 (defun epg-signature-digest-algorithm (signature)
438 "Return the digest algorithm of SIGNATURE."
439 (unless (eq (car signature) 'epg-signature)
440 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
441 (aref (cdr signature) 7))
443 (defun epg-signature-class (signature)
444 "Return the class of SIGNATURE."
445 (unless (eq (car signature) 'epg-signature)
446 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
447 (aref (cdr signature) 8))
449 (defun epg-signature-version (signature)
450 "Return the version of SIGNATURE."
451 (unless (eq (car signature) 'epg-signature)
452 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
453 (aref (cdr signature) 9))
455 (defun epg-signature-set-status (signature status)
456 "Set the status code of SIGNATURE."
457 (unless (eq (car signature) 'epg-signature)
458 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
459 (aset (cdr signature) 0 status))
461 (defun epg-signature-set-key-id (signature key-id)
462 "Set the key-id of SIGNATURE."
463 (unless (eq (car signature) 'epg-signature)
464 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
465 (aset (cdr signature) 1 key-id))
467 (defun epg-signature-set-validity (signature validity)
468 "Set the validity of SIGNATURE."
469 (unless (eq (car signature) 'epg-signature)
470 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
471 (aset (cdr signature) 2 validity))
473 (defun epg-signature-set-fingerprint (signature fingerprint)
474 "Set the fingerprint of SIGNATURE."
475 (unless (eq (car signature) 'epg-signature)
476 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
477 (aset (cdr signature) 3 fingerprint))
479 (defun epg-signature-set-creation-time (signature creation-time)
480 "Set the creation time of SIGNATURE."
481 (unless (eq (car signature) 'epg-signature)
482 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
483 (aset (cdr signature) 4 creation-time))
485 (defun epg-signature-set-expiration-time (signature expiration-time)
486 "Set the expiration time of SIGNATURE."
487 (unless (eq (car signature) 'epg-signature)
488 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
489 (aset (cdr signature) 5 expiration-time))
491 (defun epg-signature-set-pubkey-algorithm (signature pubkey-algorithm)
492 "Set the public key algorithm of SIGNATURE."
493 (unless (eq (car signature) 'epg-signature)
494 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
495 (aset (cdr signature) 6 pubkey-algorithm))
497 (defun epg-signature-set-digest-algorithm (signature digest-algorithm)
498 "Set the digest algorithm of SIGNATURE."
499 (unless (eq (car signature) 'epg-signature)
500 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
501 (aset (cdr signature) 7 digest-algorithm))
503 (defun epg-signature-set-class (signature class)
504 "Set the class of SIGNATURE."
505 (unless (eq (car signature) 'epg-signature)
506 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
507 (aset (cdr signature) 8 class))
509 (defun epg-signature-set-version (signature version)
510 "Set the version of SIGNATURE."
511 (unless (eq (car signature) 'epg-signature)
512 (signal 'wrong-type-argument (list 'epg-signature-p signature)))
513 (aset (cdr signature) 9 version))
515 (defun epg-make-new-signature (type pubkey-algorithm digest-algorithm
516 class creation-time fingerprint)
517 "Return a new signature object."
518 (cons 'epg-new-signature (vector type pubkey-algorithm digest-algorithm
519 class creation-time fingerprint)))
521 (defun epg-new-signature-type (new-signature)
522 "Return the type of NEW-SIGNATURE."
523 (unless (eq (car new-signature) 'epg-new-signature)
524 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
525 (aref (cdr new-signature) 0))
527 (defun epg-new-signature-pubkey-algorithm (new-signature)
528 "Return the public key algorithm of NEW-SIGNATURE."
529 (unless (eq (car new-signature) 'epg-new-signature)
530 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
531 (aref (cdr new-signature) 1))
533 (defun epg-new-signature-digest-algorithm (new-signature)
534 "Return the digest algorithm of NEW-SIGNATURE."
535 (unless (eq (car new-signature) 'epg-new-signature)
536 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
537 (aref (cdr new-signature) 2))
539 (defun epg-new-signature-class (new-signature)
540 "Return the class of NEW-SIGNATURE."
541 (unless (eq (car new-signature) 'epg-new-signature)
542 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
543 (aref (cdr new-signature) 3))
545 (defun epg-new-signature-creation-time (new-signature)
546 "Return the creation time of NEW-SIGNATURE."
547 (unless (eq (car new-signature) 'epg-new-signature)
548 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
549 (aref (cdr new-signature) 4))
551 (defun epg-new-signature-fingerprint (new-signature)
552 "Return the fingerprint of NEW-SIGNATURE."
553 (unless (eq (car new-signature) 'epg-new-signature)
554 (signal 'wrong-type-argument (list 'epg-new-signature-p new-signature)))
555 (aref (cdr new-signature) 5))
557 (defun epg-make-key (owner-trust)
558 "Return a key object."
559 (cons 'epg-key (vector owner-trust nil nil)))
561 (defun epg-key-owner-trust (key)
562 "Return the owner trust of KEY."
563 (unless (eq (car key) 'epg-key)
564 (signal 'wrong-type-argument (list 'epg-key-p key)))
567 (defun epg-key-sub-key-list (key)
568 "Return the sub key list of KEY."
569 (unless (eq (car key) 'epg-key)
570 (signal 'wrong-type-argument (list 'epg-key-p key)))
573 (defun epg-key-user-id-list (key)
574 "Return the user ID list of KEY."
575 (unless (eq (car key) 'epg-key)
576 (signal 'wrong-type-argument (list 'epg-key-p key)))
579 (defun epg-key-set-sub-key-list (key sub-key-list)
580 "Set the sub key list of KEY."
581 (unless (eq (car key) 'epg-key)
582 (signal 'wrong-type-argument (list 'epg-key-p key)))
583 (aset (cdr key) 1 sub-key-list))
585 (defun epg-key-set-user-id-list (key user-id-list)
586 "Set the user ID list of KEY."
587 (unless (eq (car key) 'epg-key)
588 (signal 'wrong-type-argument (list 'epg-key-p key)))
589 (aset (cdr key) 2 user-id-list))
591 (defun epg-make-sub-key (validity capability secret-p algorithm length id
592 creation-time expiration-time)
593 "Return a sub key object."
595 (vector validity capability secret-p algorithm length id creation-time
596 expiration-time nil)))
598 (defun epg-sub-key-validity (sub-key)
599 "Return the validity of SUB-KEY."
600 (unless (eq (car sub-key) 'epg-sub-key)
601 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
602 (aref (cdr sub-key) 0))
604 (defun epg-sub-key-capability (sub-key)
605 "Return the capability of SUB-KEY."
606 (unless (eq (car sub-key) 'epg-sub-key)
607 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
608 (aref (cdr sub-key) 1))
610 (defun epg-sub-key-secret-p (sub-key)
611 "Return non-nil if SUB-KEY is a secret key."
612 (unless (eq (car sub-key) 'epg-sub-key)
613 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
614 (aref (cdr sub-key) 2))
616 (defun epg-sub-key-algorithm (sub-key)
617 "Return the algorithm of SUB-KEY."
618 (unless (eq (car sub-key) 'epg-sub-key)
619 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
620 (aref (cdr sub-key) 3))
622 (defun epg-sub-key-length (sub-key)
623 "Return the length of SUB-KEY."
624 (unless (eq (car sub-key) 'epg-sub-key)
625 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
626 (aref (cdr sub-key) 4))
628 (defun epg-sub-key-id (sub-key)
629 "Return the ID of SUB-KEY."
630 (unless (eq (car sub-key) 'epg-sub-key)
631 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
632 (aref (cdr sub-key) 5))
634 (defun epg-sub-key-creation-time (sub-key)
635 "Return the creation time of SUB-KEY."
636 (unless (eq (car sub-key) 'epg-sub-key)
637 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
638 (aref (cdr sub-key) 6))
640 (defun epg-sub-key-expiration-time (sub-key)
641 "Return the expiration time of SUB-KEY."
642 (unless (eq (car sub-key) 'epg-sub-key)
643 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
644 (aref (cdr sub-key) 7))
646 (defun epg-sub-key-fingerprint (sub-key)
647 "Return the fingerprint of SUB-KEY."
648 (unless (eq (car sub-key) 'epg-sub-key)
649 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
650 (aref (cdr sub-key) 8))
652 (defun epg-sub-key-set-fingerprint (sub-key fingerprint)
653 "Set the fingerprint of SUB-KEY.
654 This function is for internal use only."
655 (unless (eq (car sub-key) 'epg-sub-key)
656 (signal 'wrong-type-argument (list 'epg-sub-key-p sub-key)))
657 (aset (cdr sub-key) 8 fingerprint))
659 (defun epg-make-user-id (validity string)
660 "Return a user ID object."
661 (cons 'epg-user-id (vector validity string nil)))
663 (defun epg-user-id-validity (user-id)
664 "Return the validity of USER-ID."
665 (unless (eq (car user-id) 'epg-user-id)
666 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
667 (aref (cdr user-id) 0))
669 (defun epg-user-id-string (user-id)
670 "Return the name of USER-ID."
671 (unless (eq (car user-id) 'epg-user-id)
672 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
673 (aref (cdr user-id) 1))
675 (defun epg-user-id-signature-list (user-id)
676 "Return the signature list of USER-ID."
677 (unless (eq (car user-id) 'epg-user-id)
678 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
679 (aref (cdr user-id) 2))
681 (defun epg-user-id-set-signature-list (user-id signature-list)
682 "Set the signature list of USER-ID."
683 (unless (eq (car user-id) 'epg-user-id)
684 (signal 'wrong-type-argument (list 'epg-user-id-p user-id)))
685 (aset (cdr user-id) 2 signature-list))
687 (defun epg-make-key-signature (validity pubkey-algorithm key-id creation-time
688 expiration-time user-id class
690 "Return a key signature object."
691 (cons 'epg-key-signature
692 (vector validity pubkey-algorithm key-id creation-time expiration-time
693 user-id class exportable-p)))
695 (defun epg-key-signature-validity (key-signature)
696 "Return the validity of KEY-SIGNATURE."
697 (unless (eq (car key-signature) 'epg-key-signature)
698 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
699 (aref (cdr key-signature) 0))
701 (defun epg-key-signature-pubkey-algorithm (key-signature)
702 "Return the public key algorithm of KEY-SIGNATURE."
703 (unless (eq (car key-signature) 'epg-key-signature)
704 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
705 (aref (cdr key-signature) 1))
707 (defun epg-key-signature-key-id (key-signature)
708 "Return the key-id of KEY-SIGNATURE."
709 (unless (eq (car key-signature) 'epg-key-signature)
710 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
711 (aref (cdr key-signature) 2))
713 (defun epg-key-signature-creation-time (key-signature)
714 "Return the creation time of KEY-SIGNATURE."
715 (unless (eq (car key-signature) 'epg-key-signature)
716 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
717 (aref (cdr key-signature) 3))
719 (defun epg-key-signature-expiration-time (key-signature)
720 "Return the expiration time of KEY-SIGNATURE."
721 (unless (eq (car key-signature) 'epg-key-signature)
722 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
723 (aref (cdr key-signature) 4))
725 (defun epg-key-signature-user-id (key-signature)
726 "Return the user-id of KEY-SIGNATURE."
727 (unless (eq (car key-signature) 'epg-key-signature)
728 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
729 (aref (cdr key-signature) 5))
731 (defun epg-key-signature-class (key-signature)
732 "Return the class of KEY-SIGNATURE."
733 (unless (eq (car key-signature) 'epg-key-signature)
734 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
735 (aref (cdr key-signature) 6))
737 (defun epg-key-signature-exportable-p (key-signature)
738 "Return t if KEY-SIGNATURE is exportable."
739 (unless (eq (car key-signature) 'epg-key-signature)
740 (signal 'wrong-type-argument (list 'epg-key-signature-p key-signature)))
741 (aref (cdr key-signature) 7))
743 (defun epg-context-result-for (context name)
744 "Return the result of CONTEXT associated with NAME."
745 (cdr (assq name (epg-context-result context))))
747 (defun epg-context-set-result-for (context name value)
748 "Set the result of CONTEXT associated with NAME to VALUE."
749 (let* ((result (epg-context-result context))
750 (entry (assq name result)))
753 (epg-context-set-result context (cons (cons name value) result)))))
755 (defun epg-signature-to-string (signature)
756 "Convert SIGNATURE to a human readable string."
757 (let ((user-id (cdr (assoc (epg-signature-key-id signature)
758 epg-user-id-alist))))
760 (cond ((eq (epg-signature-status signature) 'good)
761 "Good signature from ")
762 ((eq (epg-signature-status signature) 'bad)
763 "Bad signature from ")
764 ((eq (epg-signature-status signature) 'expired)
765 "Expired signature from ")
766 ((eq (epg-signature-status signature) 'expired-key)
767 "Signature made by expired key ")
768 ((eq (epg-signature-status signature) 'revoked-key)
769 "Signature made by revoked key ")
770 ((eq (epg-signature-status signature) 'no-pubkey)
771 "No public key for "))
772 (epg-signature-key-id signature)
775 (if (stringp user-id)
777 (epg-decode-dn user-id)))
779 (if (epg-signature-validity signature)
780 (format " (trust %s)" (epg-signature-validity signature))
783 (defun epg-verify-result-to-string (verify-result)
784 "Convert VERIFY-RESULT to a human readable string."
785 (mapconcat #'epg-signature-to-string verify-result "\n"))
787 (defun epg-new-signature-to-string (new-signature)
788 "Convert NEW-SIGNATURE to a human readable string."
790 (cond ((eq (epg-new-signature-type new-signature) 'detached)
791 "Detached signature ")
792 ((eq (epg-new-signature-type new-signature) 'clear)
793 "Clear text signature ")
796 (cdr (assq (epg-new-signature-pubkey-algorithm new-signature)
797 epg-pubkey-algorithm-alist))
799 (cdr (assq (epg-new-signature-digest-algorithm new-signature)
800 epg-digest-algorithm-alist))
802 (format "%02X " (epg-new-signature-class new-signature))
803 (epg-new-signature-fingerprint new-signature)))
805 (defun epg--start (context args)
806 "Start `epg-gpg-program' in a subprocess with given ARGS."
807 (if (and (epg-context-process context)
808 (eq (process-status (epg-context-process context)) 'run))
809 (error "%s is already running in this context"
810 (if (eq (epg-context-protocol context) 'CMS)
813 (let* ((home-directory (if (eq (epg-context-protocol context) 'CMS)
814 epg-gpgsm-home-directory
815 epg-gpg-home-directory))
816 (args (append (list "--no-tty"
819 (if home-directory (list "--homedir" home-directory))
820 (unless (eq (epg-context-protocol context) 'CMS)
821 (list "--command-fd" "0"))
822 (if (epg-context-armor context) '("--armor"))
823 (if (epg-context-textmode context) '("--textmode"))
824 (if (epg-context-output-file context)
825 (list "--output" (epg-context-output-file context)))
827 (coding-system-for-write 'binary)
828 process-connection-type
829 (orig-mode (default-file-modes))
830 (buffer (generate-new-buffer " *epg*"))
834 (unless epg-debug-buffer
835 (setq epg-debug-buffer (generate-new-buffer " *epg-debug*")))
836 (set-buffer epg-debug-buffer)
837 (goto-char (point-max))
838 (insert (format "%s %s\n"
839 (if (eq (epg-context-protocol context) 'CMS)
842 (mapconcat #'identity args " ")))))
843 (with-current-buffer buffer
844 (make-local-variable 'epg-read-point)
845 (setq epg-read-point (point-min))
846 (make-local-variable 'epg-process-filter-running)
847 (setq epg-process-filter-running nil)
848 (make-local-variable 'epg-pending-status-list)
849 (setq epg-pending-status-list nil)
850 (make-local-variable 'epg-key-id)
851 (setq epg-key-id nil)
852 (make-local-variable 'epg-context)
853 (setq epg-context context))
856 (set-default-file-modes 448)
858 (apply #'start-process "epg" buffer
859 (if (eq (epg-context-protocol context) 'CMS)
863 (set-default-file-modes orig-mode))
864 (set-process-filter process #'epg--process-filter)
865 (epg-context-set-process context process)))
867 (defun epg--process-filter (process input)
870 (unless epg-debug-buffer
871 (setq epg-debug-buffer (generate-new-buffer " *epg-debug*")))
872 (set-buffer epg-debug-buffer)
873 (goto-char (point-max))
875 (if (buffer-live-p (process-buffer process))
877 (set-buffer (process-buffer process))
878 (goto-char (point-max))
880 (unless epg-process-filter-running
883 (setq epg-process-filter-running t)
884 (goto-char epg-read-point)
886 (while (looking-at ".*\n") ;the input line finished
887 (if (looking-at "\\[GNUPG:] \\([A-Z_]+\\) ?\\(.*\\)")
888 (let* ((status (match-string 1))
889 (string (match-string 2))
890 (symbol (intern-soft (concat "epg--status-"
892 (if (member status epg-pending-status-list)
893 (setq epg-pending-status-list nil))
896 (funcall symbol epg-context string))))
898 (setq epg-read-point (point))))
899 (setq epg-process-filter-running nil))))))
901 (defun epg-read-output (context)
902 "Read the output file CONTEXT and return the content as a string."
904 (if (fboundp 'set-buffer-multibyte)
905 (set-buffer-multibyte nil))
906 (if (file-exists-p (epg-context-output-file context))
907 (let ((coding-system-for-read 'binary))
908 (insert-file-contents (epg-context-output-file context))
911 (defun epg-wait-for-status (context status-list)
912 "Wait until one of elements in STATUS-LIST arrives."
913 (with-current-buffer (process-buffer (epg-context-process context))
914 (setq epg-pending-status-list status-list)
915 (while (and (eq (process-status (epg-context-process context)) 'run)
916 epg-pending-status-list)
917 (accept-process-output (epg-context-process context) 1))))
919 (defun epg-wait-for-completion (context)
920 "Wait until the `epg-gpg-program' process completes."
921 (while (eq (process-status (epg-context-process context)) 'run)
922 (accept-process-output (epg-context-process context) 1)))
924 (defun epg-reset (context)
926 (if (and (epg-context-process context)
927 (buffer-live-p (process-buffer (epg-context-process context))))
928 (kill-buffer (process-buffer (epg-context-process context))))
929 (epg-context-set-process context nil))
931 (defun epg-delete-output-file (context)
932 "Delete the output file of CONTEXT."
933 (if (and (epg-context-output-file context)
934 (file-exists-p (epg-context-output-file context)))
935 (delete-file (epg-context-output-file context))))
937 (defun epg--status-USERID_HINT (context string)
938 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
939 (let* ((key-id (match-string 1 string))
940 (user-id (match-string 2 string))
941 (entry (assoc key-id epg-user-id-alist)))
943 (setcdr entry user-id)
944 (setq epg-user-id-alist (cons (cons key-id user-id)
945 epg-user-id-alist))))))
947 (defun epg--status-NEED_PASSPHRASE (context string)
948 (if (string-match "\\`\\([^ ]+\\)" string)
949 (setq epg-key-id (match-string 1 string))))
951 (defun epg--status-NEED_PASSPHRASE_SYM (context string)
952 (setq epg-key-id 'SYM))
954 (defun epg--status-NEED_PASSPHRASE_PIN (context string)
955 (setq epg-key-id 'PIN))
957 (defun epg--status-GET_HIDDEN (context string)
959 (string-match "\\`passphrase\\." string))
962 passphrase-with-new-line)
968 (if (consp (epg-context-passphrase-callback context))
969 (car (epg-context-passphrase-callback context))
970 (epg-context-passphrase-callback context))
973 (if (consp (epg-context-passphrase-callback context))
974 (cdr (epg-context-passphrase-callback context)))))
976 (setq passphrase-with-new-line (concat passphrase "\n"))
977 (fillarray passphrase 0)
978 (setq passphrase nil)
979 (process-send-string (epg-context-process context)
980 passphrase-with-new-line)))
982 (epg-context-set-result-for
985 (epg-context-result-for context 'error)))
986 (delete-process (epg-context-process context))))
988 (fillarray passphrase 0))
989 (if passphrase-with-new-line
990 (fillarray passphrase-with-new-line 0))))))
992 (defun epg--status-GET_BOOL (context string)
993 (let ((entry (assoc string epg-prompt-alist))
996 (if (y-or-n-p (if entry (cdr entry) (concat string "? ")))
997 (process-send-string (epg-context-process context) "y\n")
998 (process-send-string (epg-context-process context) "n\n"))
1000 (epg-context-set-result-for
1003 (epg-context-result-for context 'error)))
1004 (delete-process (epg-context-process context))))))
1006 (defun epg--status-GET_LINE (context string)
1007 (let ((entry (assoc string epg-prompt-alist))
1010 (process-send-string (epg-context-process context)
1011 (concat (read-string
1014 (concat string ": ")))
1017 (epg-context-set-result-for
1020 (epg-context-result-for context 'error)))
1021 (delete-process (epg-context-process context))))))
1023 (defun epg--status-*SIG (context status string)
1024 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
1025 (let* ((key-id (match-string 1 string))
1026 (user-id (match-string 2 string))
1027 (entry (assoc key-id epg-user-id-alist)))
1028 (epg-context-set-result-for
1031 (cons (epg-make-signature status key-id)
1032 (epg-context-result-for context 'verify)))
1033 (if (eq (epg-context-protocol context) 'CMS)
1035 (setq user-id (epg-dn-from-string user-id))
1038 (setcdr entry user-id)
1039 (setq epg-user-id-alist
1040 (cons (cons key-id user-id) epg-user-id-alist))))
1041 (epg-context-set-result-for
1044 (cons (epg-make-signature status)
1045 (epg-context-result-for context 'verify)))))
1047 (defun epg--status-GOODSIG (context string)
1048 (epg--status-*SIG context 'good string))
1050 (defun epg--status-EXPSIG (context string)
1051 (epg--status-*SIG context 'expired string))
1053 (defun epg--status-EXPKEYSIG (context string)
1054 (epg--status-*SIG context 'expired-key string))
1056 (defun epg--status-REVKEYSIG (context string)
1057 (epg--status-*SIG context 'revoked-key string))
1059 (defun epg--status-BADSIG (context string)
1060 (epg--status-*SIG context 'bad string))
1062 (defun epg--status-NO_PUBKEY (context string)
1063 (let ((signature (car (epg-context-result-for context 'verify))))
1065 (eq (epg-signature-status signature) 'error)
1066 (equal (epg-signature-key-id signature) string))
1067 (epg-signature-set-status signature 'no-pubkey))))
1069 (defun epg--time-from-seconds (seconds)
1070 (let ((number-seconds (string-to-number (concat seconds ".0"))))
1071 (cons (floor (/ number-seconds 65536))
1072 (floor (mod number-seconds 65536)))))
1074 (defun epg--status-ERRSIG (context string)
1075 (if (string-match "\\`\\([^ ]+\\) \\([0-9]+\\) \\([0-9]+\\) \
1076 \\([0-9A-Fa-f][0-9A-Fa-f]\\) \\([^ ]+\\) \\([0-9]+\\)"
1078 (let ((signature (epg-make-signature 'error)))
1079 (epg-context-set-result-for
1083 (epg-context-result-for context 'verify)))
1084 (epg-signature-set-key-id
1086 (match-string 1 string))
1087 (epg-signature-set-pubkey-algorithm
1089 (string-to-number (match-string 2 string)))
1090 (epg-signature-set-digest-algorithm
1092 (string-to-number (match-string 3 string)))
1093 (epg-signature-set-class
1095 (string-to-number (match-string 4 string) 16))
1096 (epg-signature-set-creation-time
1098 (epg--time-from-seconds (match-string 5 string))))))
1100 (defun epg--status-VALIDSIG (context string)
1101 (let ((signature (car (epg-context-result-for context 'verify))))
1102 (when (and signature
1103 (eq (epg-signature-status signature) 'good)
1104 (string-match "\\`\\([^ ]+\\) [^ ]+ \\([^ ]+\\) \\([^ ]+\\) \
1105 \\([0-9]+\\) [^ ]+ \\([0-9]+\\) \\([0-9]+\\) \\([0-9A-Fa-f][0-9A-Fa-f]\\) \
1108 (epg-signature-set-fingerprint
1110 (match-string 1 string))
1111 (epg-signature-set-creation-time
1113 (epg--time-from-seconds (match-string 2 string)))
1114 (epg-signature-set-expiration-time
1116 (epg--time-from-seconds (match-string 3 string)))
1117 (epg-signature-set-version
1119 (string-to-number (match-string 4 string)))
1120 (epg-signature-set-pubkey-algorithm
1122 (string-to-number (match-string 5 string)))
1123 (epg-signature-set-digest-algorithm
1125 (string-to-number (match-string 6 string)))
1126 (epg-signature-set-class
1128 (string-to-number (match-string 7 string) 16)))))
1130 (defun epg--status-TRUST_UNDEFINED (context string)
1131 (let ((signature (car (epg-context-result-for context 'verify))))
1133 (eq (epg-signature-status signature) 'good))
1134 (epg-signature-set-validity signature 'undefined))))
1136 (defun epg--status-TRUST_NEVER (context string)
1137 (let ((signature (car (epg-context-result-for context 'verify))))
1139 (eq (epg-signature-status signature) 'good))
1140 (epg-signature-set-validity signature 'never))))
1142 (defun epg--status-TRUST_MARGINAL (context string)
1143 (let ((signature (car (epg-context-result-for context 'verify))))
1145 (eq (epg-signature-status signature) 'marginal))
1146 (epg-signature-set-validity signature 'marginal))))
1148 (defun epg--status-TRUST_FULLY (context string)
1149 (let ((signature (car (epg-context-result-for context 'verify))))
1151 (eq (epg-signature-status signature) 'good))
1152 (epg-signature-set-validity signature 'full))))
1154 (defun epg--status-TRUST_ULTIMATE (context string)
1155 (let ((signature (car (epg-context-result-for context 'verify))))
1157 (eq (epg-signature-status signature) 'good))
1158 (epg-signature-set-validity signature 'ultimate))))
1160 (defun epg--status-PROGRESS (context string)
1161 (if (string-match "\\`\\([^ ]+\\) \\([^ ]\\) \\([0-9]+\\) \\([0-9]+\\)"
1163 (funcall (if (consp (epg-context-progress-callback context))
1164 (car (epg-context-progress-callback context))
1165 (epg-context-progress-callback context))
1167 (match-string 1 string)
1168 (match-string 2 string)
1169 (string-to-number (match-string 3 string))
1170 (string-to-number (match-string 4 string))
1171 (if (consp (epg-context-progress-callback context))
1172 (cdr (epg-context-progress-callback context))))))
1174 (defun epg--status-DECRYPTION_FAILED (context string)
1175 (epg-context-set-result-for
1177 (cons '(decryption-failed)
1178 (epg-context-result-for context 'error))))
1180 (defun epg--status-NODATA (context string)
1181 (epg-context-set-result-for
1183 (cons (list 'no-data (cons 'reason (string-to-number string)))
1184 (epg-context-result-for context 'error))))
1186 (defun epg--status-UNEXPECTED (context string)
1187 (epg-context-set-result-for
1189 (cons (list 'unexpected (cons 'reason (string-to-number string)))
1190 (epg-context-result-for context 'error))))
1192 (defun epg--status-KEYEXPIRED (context string)
1193 (epg-context-set-result-for
1195 (cons (list 'key-expired (cons 'expiration-time
1196 (epg--time-from-seconds string)))
1197 (epg-context-result-for context 'error))))
1199 (defun epg--status-KEYREVOKED (context string)
1200 (epg-context-set-result-for
1202 (cons '(key-revoked)
1203 (epg-context-result-for context 'error))))
1205 (defun epg--status-BADARMOR (context string)
1206 (epg-context-set-result-for
1209 (epg-context-result-for context 'error))))
1211 (defun epg--status-INV_RECP (context string)
1212 (if (string-match "\\`\\([0-9]+\\) \\(.*\\)" string)
1213 (epg-context-set-result-for
1215 (cons (list 'invalid-recipient
1217 (string-to-number (match-string 1 string)))
1218 (cons 'requested-recipient
1219 (match-string 2 string)))
1220 (epg-context-result-for context 'error)))))
1222 (defun epg--status-NO_RECP (context string)
1223 (epg-context-set-result-for
1225 (cons '(no-recipients)
1226 (epg-context-result-for context 'error))))
1228 (defun epg--status-DELETE_PROBLEM (context string)
1229 (if (string-match "\\`\\([0-9]+\\)" string)
1230 (epg-context-set-result-for
1232 (cons (list 'delete-problem
1233 (cons 'reason (string-to-number (match-string 1 string))))
1234 (epg-context-result-for context 'error)))))
1236 (defun epg--status-SIG_CREATED (context string)
1237 (if (string-match "\\`\\([DCS]\\) \\([0-9]+\\) \\([0-9]+\\) \
1238 \\([0-9A-Fa-F][0-9A-Fa-F]\\) \\(.*\\) " string)
1239 (epg-context-set-result-for
1241 (cons (epg-make-new-signature
1242 (cdr (assq (aref (match-string 1 string) 0)
1243 epg-new-signature-type-alist))
1244 (string-to-number (match-string 2 string))
1245 (string-to-number (match-string 3 string))
1246 (string-to-number (match-string 4 string) 16)
1247 (epg--time-from-seconds (match-string 5 string))
1248 (substring string (match-end 0)))
1249 (epg-context-result-for context 'sign)))))
1251 (defun epg--status-KEY_CREATED (context string)
1252 (if (string-match "\\`\\([BPS]\\) \\([^ ]+\\)" string)
1253 (epg-context-set-result-for
1254 context 'generate-key
1255 (cons (list (cons 'type (string-to-char (match-string 1 string)))
1256 (cons 'fingerprint (match-string 2 string)))
1257 (epg-context-result-for context 'generate-key)))))
1259 (defun epg--status-KEY_NOT_CREATED (context string)
1260 (epg-context-set-result-for
1262 (cons '(key-not-created)
1263 (epg-context-result-for context 'error))))
1265 (defun epg--status-IMPORTED (context string)
1266 (if (string-match "\\`\\([^ ]+\\) \\(.*\\)" string)
1267 (let* ((key-id (match-string 1 string))
1268 (user-id (match-string 2 string))
1269 (entry (assoc key-id epg-user-id-alist)))
1271 (setcdr entry user-id)
1272 (setq epg-user-id-alist (cons (cons key-id user-id)
1273 epg-user-id-alist)))
1274 (epg-context-set-result-for
1276 (cons (list (cons 'key-id key-id)
1277 (cons 'user-id user-id))
1278 (epg-context-result-for context 'import))))))
1280 (defun epg--status-IMPORT_OK (context string)
1281 (let ((result (epg-context-result-for context 'import)))
1283 (string-match "\\`\\([0-9]+\\)\\( \\(.+\\)\\)?" string))
1285 (append (list (cons 'reason
1287 (match-string 1 string))))
1288 (if (match-beginning 2)
1289 (list (cons 'fingerprint
1290 (match-string 3 string))))
1293 (defun epg--status-IMPORT_PROBLEM (context string)
1294 (if (string-match "\\`\\([0-9]+\\)\\( \\(.+\\)\\)?" string)
1295 (epg-context-set-result-for
1297 (cons (cons 'import-problem
1298 (append (list (cons 'reason
1300 (match-string 1 string))))
1301 (if (match-beginning 2)
1302 (list (cons 'fingerprint
1303 (match-string 3 string))))))
1304 (epg-context-result-for context 'error)))))
1306 (defun epg-passphrase-callback-function (context key-id handback)
1307 (if (eq key-id 'SYM)
1308 (read-passwd "Passphrase for symmetric encryption: "
1309 (eq (epg-context-operation context) 'encrypt))
1311 (if (eq key-id 'PIN)
1312 "Passphrase for PIN: "
1313 (let ((entry (assoc key-id epg-user-id-alist)))
1315 (format "Passphrase for %s %s: " key-id (cdr entry))
1316 (format "Passphrase for %s: " key-id)))))))
1318 (defun epg-progress-callback-function (context what char current total
1320 (message "%s: %d%%/%d%%" what current total))
1323 (defun epg-configuration ()
1324 "Return a list of internal configuration parameters of `epg-gpg-program'."
1327 (apply #'call-process epg-gpg-program nil (list t nil) nil
1328 '("--with-colons" "--list-config"))
1329 (goto-char (point-min))
1330 (while (re-search-forward "^cfg:\\([^:]+\\):\\(.*\\)" nil t)
1331 (setq type (intern (match-string 1))
1332 config (cons (cons type
1334 '(pubkey cipher digest compress))
1335 (mapcar #'string-to-number
1336 (delete "" (split-string
1344 (defun epg-check-configuration (config)
1345 "Verify that CONFIGURATION is sufficient."
1346 (let ((entry (assq 'version config))
1349 (stringp (cdr entry))
1350 (string-match "\\`\\([0-9]+\\)\\.\\([0-9]+\\)\\.\\([0-9]+\\)"
1352 (error "Undetermined version: %S" entry))
1353 (setq major (string-to-number (match-string 1 (cdr entry)))
1354 minor (string-to-number (match-string 2 (cdr entry)))
1355 teeny (string-to-number (match-string 3 (cdr entry))))
1356 (unless (or (> major 1)
1361 (error "Unsupported version: %s" (cdr entry)))))
1363 (defun epg--list-keys-1 (context name mode)
1364 (let ((args (append (list "--with-colons" "--no-greeting" "--batch"
1365 "--with-fingerprint"
1366 "--with-fingerprint"
1367 (if (memq mode '(t secret))
1368 "--list-secret-keys"
1369 (if (memq mode '(nil public))
1372 (unless (eq (epg-context-protocol context) 'CMS)
1373 '("--fixed-list-mode"))
1374 (if name (list name))))
1375 keys string field index)
1377 (apply #'call-process
1378 (if (eq (epg-context-protocol context) 'CMS)
1381 nil (list t nil) nil args)
1382 (goto-char (point-min))
1383 (while (re-search-forward "^[a-z][a-z][a-z]:.*" nil t)
1384 (setq keys (cons (make-vector 15 nil) keys)
1385 string (match-string 0)
1389 (string-match "\\([^:]+\\)?:" string index))
1390 (setq index (match-end 0))
1391 (aset (car keys) field (match-string 1 string))
1392 (setq field (1+ field))))
1395 (defun epg--make-sub-key-1 (line)
1398 (cdr (assq (string-to-char (aref line 1)) epg-key-validity-alist)))
1400 (mapcar (lambda (char) (cdr (assq char epg-key-capablity-alist)))
1402 (member (aref line 0) '("sec" "ssb"))
1403 (string-to-number (aref line 3))
1404 (string-to-number (aref line 2))
1406 (epg--time-from-seconds (aref line 5))
1407 (epg--time-from-seconds (aref line 6))))
1410 (defun epg-list-keys (context &optional name mode)
1411 "Return a list of epg-key objects matched with NAME.
1412 If MODE is nil or 'public, only public keyring should be searched.
1413 If MODE is t or 'secret, only secret keyring should be searched.
1414 Otherwise, only public keyring should be searched and the key
1415 signatures should be included."
1416 (let ((lines (epg--list-keys-1 context name mode))
1417 keys cert pointer pointer-1)
1420 ((member (aref (car lines) 0) '("pub" "sec" "crt" "crs"))
1421 (setq cert (member (aref (car lines) 0) '("crt" "crs"))
1422 keys (cons (epg-make-key
1423 (if (aref (car lines) 8)
1424 (cdr (assq (string-to-char (aref (car lines) 8))
1425 epg-key-validity-alist))))
1427 (epg-key-set-sub-key-list
1429 (cons (epg--make-sub-key-1 (car lines))
1430 (epg-key-sub-key-list (car keys)))))
1431 ((member (aref (car lines) 0) '("sub" "ssb"))
1432 (epg-key-set-sub-key-list
1434 (cons (epg--make-sub-key-1 (car lines))
1435 (epg-key-sub-key-list (car keys)))))
1436 ((equal (aref (car lines) 0) "uid")
1437 (epg-key-set-user-id-list
1439 (cons (epg-make-user-id
1440 (if (aref (car lines) 1)
1441 (cdr (assq (string-to-char (aref (car lines) 1))
1442 epg-key-validity-alist)))
1445 (epg-dn-from-string (aref (car lines) 9))
1446 (error (aref (car lines) 9)))
1447 (aref (car lines) 9)))
1448 (epg-key-user-id-list (car keys)))))
1449 ((equal (aref (car lines) 0) "fpr")
1450 (epg-sub-key-set-fingerprint (car (epg-key-sub-key-list (car keys)))
1451 (aref (car lines) 9)))
1452 ((equal (aref (car lines) 0) "sig")
1453 (epg-user-id-set-signature-list
1454 (car (epg-key-user-id-list (car keys)))
1456 (epg-make-key-signature
1457 (if (aref (car lines) 1)
1458 (cdr (assq (string-to-char (aref (car lines) 1))
1459 epg-key-validity-alist)))
1460 (string-to-number (aref (car lines) 3))
1461 (aref (car lines) 4)
1462 (epg--time-from-seconds (aref (car lines) 5))
1463 (epg--time-from-seconds (aref (car lines) 6))
1464 (aref (car lines) 9)
1465 (string-to-number (aref (car lines) 10) 16)
1466 (eq (aref (aref (car lines) 10) 2) ?x))
1467 (epg-user-id-signature-list
1468 (car (epg-key-user-id-list (car keys))))))))
1469 (setq lines (cdr lines)))
1470 (setq keys (nreverse keys)
1473 (epg-key-set-sub-key-list
1475 (nreverse (epg-key-sub-key-list (car pointer))))
1476 (setq pointer-1 (epg-key-set-user-id-list
1478 (nreverse (epg-key-user-id-list (car pointer)))))
1480 (epg-user-id-set-signature-list
1482 (nreverse (epg-user-id-signature-list (car pointer-1))))
1483 (setq pointer-1 (cdr pointer-1)))
1484 (setq pointer (cdr pointer)))
1487 (if (fboundp 'make-temp-file)
1488 (defalias 'epg--make-temp-file 'make-temp-file)
1489 (defvar temporary-file-directory)
1490 ;; stolen from poe.el.
1491 (defun epg--make-temp-file (prefix)
1492 "Create a temporary file.
1493 The returned file name (created by appending some random characters at the end
1494 of PREFIX, and expanding against `temporary-file-directory' if necessary),
1495 is guaranteed to point to a newly created empty file.
1496 You can then use `write-region' to write new data into the file."
1497 (let (tempdir tempfile)
1498 (setq prefix (expand-file-name prefix
1499 (if (featurep 'xemacs)
1501 temporary-file-directory)))
1504 ;; First, create a temporary directory.
1505 (while (condition-case ()
1507 (setq tempdir (make-temp-name
1509 (file-name-directory prefix)
1511 ;; return nil or signal an error.
1512 (make-directory tempdir))
1514 (file-already-exists t)))
1515 (set-file-modes tempdir 448)
1516 ;; Second, create a temporary file in the tempdir.
1517 ;; There *is* a race condition between `make-temp-name'
1518 ;; and `write-region', but we don't care it since we are
1519 ;; in a private directory now.
1520 (setq tempfile (make-temp-name (concat tempdir "/EMU")))
1521 (write-region "" nil tempfile nil 'silent)
1522 (set-file-modes tempfile 384)
1523 ;; Finally, make a hard-link from the tempfile.
1524 (while (condition-case ()
1526 (setq file (make-temp-name prefix))
1527 ;; return nil or signal an error.
1528 (add-name-to-file tempfile file))
1530 (file-already-exists t)))
1532 ;; Cleanup the tempfile.
1534 (file-exists-p tempfile)
1535 (delete-file tempfile))
1536 ;; Cleanup the tempdir.
1538 (file-directory-p tempdir)
1539 (delete-directory tempdir))))))
1542 (defun epg-cancel (context)
1543 (if (buffer-live-p (process-buffer (epg-context-process context)))
1545 (set-buffer (process-buffer (epg-context-process context)))
1546 (epg-context-set-result-for
1549 (epg-context-result-for epg-context 'error)))))
1550 (if (eq (process-status (epg-context-process context)) 'run)
1551 (delete-process (epg-context-process context))))
1554 (defun epg-start-decrypt (context cipher)
1555 "Initiate a decrypt operation on CIPHER.
1556 CIPHER is a data object.
1558 If you use this function, you will need to wait for the completion of
1559 `epg-gpg-program' by using `epg-wait-for-completion' and call
1560 `epg-reset' to clear a temporaly output file.
1561 If you are unsure, use synchronous version of this function
1562 `epg-decrypt-file' or `epg-decrypt-string' instead."
1563 (unless (epg-data-file cipher)
1564 (error "Not a file"))
1565 (epg-context-set-operation context 'decrypt)
1566 (epg-context-set-result context nil)
1567 (epg--start context (list "--decrypt" (epg-data-file cipher)))
1568 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1569 (unless (eq (epg-context-protocol context) 'CMS)
1570 (epg-wait-for-status context '("BEGIN_DECRYPTION"))))
1573 (defun epg-decrypt-file (context cipher plain)
1574 "Decrypt a file CIPHER and store the result to a file PLAIN.
1575 If PLAIN is nil, it returns the result as a string."
1579 (epg-context-set-output-file context plain)
1580 (epg-context-set-output-file context
1581 (epg--make-temp-file "epg-output")))
1582 (epg-start-decrypt context (epg-make-data-from-file cipher))
1583 (epg-wait-for-completion context)
1584 (if (epg-context-result-for context 'error)
1585 (error "Decrypt failed: %S"
1586 (epg-context-result-for context 'error)))
1588 (epg-read-output context)))
1590 (epg-delete-output-file context))
1591 (epg-reset context)))
1594 (defun epg-decrypt-string (context cipher)
1595 "Decrypt a string CIPHER and return the plain text."
1596 (let ((input-file (epg--make-temp-file "epg-input"))
1597 (coding-system-for-write 'binary))
1600 (write-region cipher nil input-file nil 'quiet)
1601 (epg-context-set-output-file context
1602 (epg--make-temp-file "epg-output"))
1603 (epg-start-decrypt context (epg-make-data-from-file input-file))
1604 (epg-wait-for-completion context)
1605 (if (epg-context-result-for context 'error)
1606 (error "Decrypt failed: %S"
1607 (epg-context-result-for context 'error)))
1608 (epg-read-output context))
1609 (epg-delete-output-file context)
1610 (if (file-exists-p input-file)
1611 (delete-file input-file))
1612 (epg-reset context))))
1615 (defun epg-start-verify (context signature &optional signed-text)
1616 "Initiate a verify operation on SIGNATURE.
1617 SIGNATURE and SIGNED-TEXT are a data object if they are specified.
1619 For a detached signature, both SIGNATURE and SIGNED-TEXT should be set.
1620 For a normal or a clear text signature, SIGNED-TEXT should be nil.
1622 If you use this function, you will need to wait for the completion of
1623 `epg-gpg-program' by using `epg-wait-for-completion' and call
1624 `epg-reset' to clear a temporaly output file.
1625 If you are unsure, use synchronous version of this function
1626 `epg-verify-file' or `epg-verify-string' instead."
1627 (epg-context-set-operation context 'verify)
1628 (epg-context-set-result context nil)
1630 ;; Detached signature.
1631 (if (epg-data-file signed-text)
1632 (epg--start context (list "--verify" (epg-data-file signature)
1633 (epg-data-file signed-text)))
1634 (epg--start context (list "--verify" (epg-data-file signature) "-"))
1635 (if (eq (process-status (epg-context-process context)) 'run)
1636 (process-send-string (epg-context-process context)
1637 (epg-data-string signed-text)))
1638 (if (eq (process-status (epg-context-process context)) 'run)
1639 (process-send-eof (epg-context-process context))))
1640 ;; Normal (or cleartext) signature.
1641 (if (epg-data-file signature)
1642 (epg--start context (list "--verify" (epg-data-file signature)))
1643 (epg--start context (list "--verify"))
1644 (if (eq (process-status (epg-context-process context)) 'run)
1645 (process-send-string (epg-context-process context)
1646 (epg-data-string signature)))
1647 (if (eq (process-status (epg-context-process context)) 'run)
1648 (process-send-eof (epg-context-process context))))))
1651 (defun epg-verify-file (context signature &optional signed-text plain)
1652 "Verify a file SIGNATURE.
1653 SIGNED-TEXT and PLAIN are also a file if they are specified.
1655 For a detached signature, both SIGNATURE and SIGNED-TEXT should be string.
1656 For a normal or a clear text signature, SIGNED-TEXT should be nil."
1660 (epg-context-set-output-file context plain)
1661 (epg-context-set-output-file context
1662 (epg--make-temp-file "epg-output")))
1664 (epg-start-verify context
1665 (epg-make-data-from-file signature)
1666 (epg-make-data-from-file signed-text))
1667 (epg-start-verify context
1668 (epg-make-data-from-file signature)))
1669 (epg-wait-for-completion context)
1670 ; (if (epg-context-result-for context 'error)
1671 ; (error "Verify failed: %S"
1672 ; (epg-context-result-for context 'error)))
1674 (epg-read-output context)))
1676 (epg-delete-output-file context))
1677 (epg-reset context)))
1680 (defun epg-verify-string (context signature &optional signed-text)
1681 "Verify a string SIGNATURE.
1682 SIGNED-TEXT is a string if it is specified.
1684 For a detached signature, both SIGNATURE and SIGNED-TEXT should be string.
1685 For a normal or a clear text signature, SIGNED-TEXT should be nil."
1686 (let ((coding-system-for-write 'binary)
1690 (epg-context-set-output-file context
1691 (epg--make-temp-file "epg-output"))
1694 (setq input-file (epg--make-temp-file "epg-signature"))
1695 (write-region signature nil input-file nil 'quiet)
1696 (epg-start-verify context
1697 (epg-make-data-from-file input-file)
1698 (epg-make-data-from-string signed-text)))
1699 (epg-start-verify context (epg-make-data-from-string signature)))
1700 (epg-wait-for-completion context)
1701 ; (if (epg-context-result-for context 'error)
1702 ; (error "Verify failed: %S"
1703 ; (epg-context-result-for context 'error)))
1704 (epg-read-output context))
1705 (epg-delete-output-file context)
1707 (file-exists-p input-file))
1708 (delete-file input-file))
1709 (epg-reset context))))
1712 (defun epg-start-sign (context plain &optional mode)
1713 "Initiate a sign operation on PLAIN.
1714 PLAIN is a data object.
1716 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1717 If it is nil or 'normal, it makes a normal signature.
1718 Otherwise, it makes a clear text signature.
1720 If you use this function, you will need to wait for the completion of
1721 `epg-gpg-program' by using `epg-wait-for-completion' and call
1722 `epg-reset' to clear a temporaly output file.
1723 If you are unsure, use synchronous version of this function
1724 `epg-sign-file' or `epg-sign-string' instead."
1725 (epg-context-set-operation context 'sign)
1726 (epg-context-set-result context nil)
1728 (append (list (if (memq mode '(t detached))
1730 (if (memq mode '(nil normal))
1738 (car (epg-key-sub-key-list signer)))))
1739 (epg-context-signers context)))
1740 (if (epg-data-file plain)
1741 (list (epg-data-file plain)))))
1742 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1743 (unless (eq (epg-context-protocol context) 'CMS)
1744 (epg-wait-for-status context '("BEGIN_SIGNING")))
1745 (when (epg-data-string plain)
1746 (if (eq (process-status (epg-context-process context)) 'run)
1747 (process-send-string (epg-context-process context)
1748 (epg-data-string plain)))
1749 (if (eq (process-status (epg-context-process context)) 'run)
1750 (process-send-eof (epg-context-process context)))))
1753 (defun epg-sign-file (context plain signature &optional mode)
1754 "Sign a file PLAIN and store the result to a file SIGNATURE.
1755 If SIGNATURE is nil, it returns the result as a string.
1756 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1757 If it is nil or 'normal, it makes a normal signature.
1758 Otherwise, it makes a clear text signature."
1762 (epg-context-set-output-file context signature)
1763 (epg-context-set-output-file context
1764 (epg--make-temp-file "epg-output")))
1765 (epg-start-sign context (epg-make-data-from-file plain) mode)
1766 (epg-wait-for-completion context)
1767 (unless (epg-context-result-for context 'sign)
1768 (if (epg-context-result-for context 'error)
1769 (error "Sign failed: %S"
1770 (epg-context-result-for context 'error))
1771 (error "Sign failed")))
1773 (epg-read-output context)))
1775 (epg-delete-output-file context))
1776 (epg-reset context)))
1779 (defun epg-sign-string (context plain &optional mode)
1780 "Sign a string PLAIN and return the output as string.
1781 If optional 3rd argument MODE is t or 'detached, it makes a detached signature.
1782 If it is nil or 'normal, it makes a normal signature.
1783 Otherwise, it makes a clear text signature."
1786 (epg-context-set-output-file context
1787 (epg--make-temp-file "epg-output"))
1788 (epg-start-sign context (epg-make-data-from-string plain) mode)
1789 (epg-wait-for-completion context)
1790 (unless (epg-context-result-for context 'sign)
1791 (if (epg-context-result-for context 'error)
1792 (error "Sign failed: %S"
1793 (epg-context-result-for context 'error))
1794 (error "Sign failed")))
1795 (epg-read-output context))
1796 (epg-delete-output-file context)
1797 (epg-reset context)))
1800 (defun epg-start-encrypt (context plain recipients
1801 &optional sign always-trust)
1802 "Initiate an encrypt operation on PLAIN.
1803 PLAIN is a data object.
1804 If RECIPIENTS is nil, it performs symmetric encryption.
1806 If you use this function, you will need to wait for the completion of
1807 `epg-gpg-program' by using `epg-wait-for-completion' and call
1808 `epg-reset' to clear a temporaly output file.
1809 If you are unsure, use synchronous version of this function
1810 `epg-encrypt-file' or `epg-encrypt-string' instead."
1811 (epg-context-set-operation context 'encrypt)
1812 (epg-context-set-result context nil)
1814 (append (if always-trust '("--always-trust"))
1815 (if recipients '("--encrypt") '("--symmetric"))
1823 (car (epg-key-sub-key-list
1825 (epg-context-signers context)))))
1831 (car (epg-key-sub-key-list recipient)))))
1833 (if (epg-data-file plain)
1834 (list (epg-data-file plain)))))
1835 ;; `gpgsm' does not read passphrase from stdin, so waiting is not needed.
1836 (unless (eq (epg-context-protocol context) 'CMS)
1838 (epg-wait-for-status context '("BEGIN_SIGNING"))
1839 (epg-wait-for-status context '("BEGIN_ENCRYPTION"))))
1840 (when (epg-data-string plain)
1841 (if (eq (process-status (epg-context-process context)) 'run)
1842 (process-send-string (epg-context-process context)
1843 (epg-data-string plain)))
1844 (if (eq (process-status (epg-context-process context)) 'run)
1845 (process-send-eof (epg-context-process context)))))
1848 (defun epg-encrypt-file (context plain recipients
1849 cipher &optional sign always-trust)
1850 "Encrypt a file PLAIN and store the result to a file CIPHER.
1851 If CIPHER is nil, it returns the result as a string.
1852 If RECIPIENTS is nil, it performs symmetric encryption."
1856 (epg-context-set-output-file context cipher)
1857 (epg-context-set-output-file context
1858 (epg--make-temp-file "epg-output")))
1859 (epg-start-encrypt context (epg-make-data-from-file plain)
1860 recipients sign always-trust)
1861 (epg-wait-for-completion context)
1863 (not (epg-context-result-for context 'sign)))
1864 (if (epg-context-result-for context 'error)
1865 (error "Sign failed: %S"
1866 (epg-context-result-for context 'error))
1867 (error "Sign failed")))
1868 (if (epg-context-result-for context 'error)
1869 (error "Encrypt failed: %S"
1870 (epg-context-result-for context 'error)))
1872 (epg-read-output context)))
1874 (epg-delete-output-file context))
1875 (epg-reset context)))
1878 (defun epg-encrypt-string (context plain recipients
1879 &optional sign always-trust)
1880 "Encrypt a string PLAIN.
1881 If RECIPIENTS is nil, it performs symmetric encryption."
1884 (epg-context-set-output-file context
1885 (epg--make-temp-file "epg-output"))
1886 (epg-start-encrypt context (epg-make-data-from-string plain)
1887 recipients sign always-trust)
1888 (epg-wait-for-completion context)
1890 (not (epg-context-result-for context 'sign)))
1891 (if (epg-context-result-for context 'error)
1892 (error "Sign failed: %S"
1893 (epg-context-result-for context 'error))
1894 (error "Sign failed")))
1895 (if (epg-context-result-for context 'error)
1896 (error "Encrypt failed: %S"
1897 (epg-context-result-for context 'error)))
1898 (epg-read-output context))
1899 (epg-delete-output-file context)
1900 (epg-reset context)))
1903 (defun epg-start-export-keys (context keys)
1904 "Initiate an export keys operation.
1906 If you use this function, you will need to wait for the completion of
1907 `epg-gpg-program' by using `epg-wait-for-completion' and call
1908 `epg-reset' to clear a temporaly output file.
1909 If you are unsure, use synchronous version of this function
1910 `epg-export-keys-to-file' or `epg-export-keys-to-string' instead."
1911 (epg-context-set-operation context 'export-keys)
1912 (epg-context-set-result context nil)
1913 (epg--start context (cons "--export"
1917 (car (epg-key-sub-key-list key))))
1921 (defun epg-export-keys-to-file (context keys file)
1922 "Extract public KEYS."
1926 (epg-context-set-output-file context file)
1927 (epg-context-set-output-file context
1928 (epg--make-temp-file "epg-output")))
1929 (epg-start-export-keys context keys)
1930 (epg-wait-for-completion context)
1931 (if (epg-context-result-for context 'error)
1932 (error "Export keys failed: %S"
1933 (epg-context-result-for context 'error)))
1935 (epg-read-output context)))
1937 (epg-delete-output-file context))
1938 (epg-reset context)))
1941 (defun epg-export-keys-to-string (context keys)
1942 "Extract public KEYS and return them as a string."
1943 (epg-export-keys-to-file context keys nil))
1946 (defun epg-start-import-keys (context keys)
1947 "Initiate an import keys operation.
1948 KEYS is a data object.
1950 If you use this function, you will need to wait for the completion of
1951 `epg-gpg-program' by using `epg-wait-for-completion' and call
1952 `epg-reset' to clear a temporaly output file.
1953 If you are unsure, use synchronous version of this function
1954 `epg-import-keys-from-file' or `epg-import-keys-from-string' instead."
1955 (epg-context-set-operation context 'import-keys)
1956 (epg-context-set-result context nil)
1957 (epg--start context (if (epg-data-file keys)
1958 (list "--import" (epg-data-file keys))
1960 (when (epg-data-string keys)
1961 (if (eq (process-status (epg-context-process context)) 'run)
1962 (process-send-string (epg-context-process context)
1963 (epg-data-string keys)))
1964 (if (eq (process-status (epg-context-process context)) 'run)
1965 (process-send-eof (epg-context-process context)))))
1967 (defun epg--import-keys-1 (context keys)
1970 (epg-start-import-keys context keys)
1971 (epg-wait-for-completion context)
1972 (if (epg-context-result-for context 'error)
1973 (error "Import keys failed: %S"
1974 (epg-context-result-for context 'error))))
1975 (epg-reset context)))
1978 (defun epg-import-keys-from-file (context keys)
1979 "Add keys from a file KEYS."
1980 (epg--import-keys-1 context (epg-make-data-from-file keys)))
1983 (defun epg-import-keys-from-string (context keys)
1984 "Add keys from a string KEYS."
1985 (epg--import-keys-1 context (epg-make-data-from-string keys)))
1988 (defun epg-start-receive-keys (context key-id-list)
1989 "Initiate a receive key operation.
1990 KEY-ID-LIST is a list of key IDs.
1992 If you use this function, you will need to wait for the completion of
1993 `epg-gpg-program' by using `epg-wait-for-completion' and call
1994 `epg-reset' to clear a temporaly output file.
1995 If you are unsure, use synchronous version of this function
1996 `epg-generate-key-from-file' or `epg-generate-key-from-string' instead."
1997 (epg-context-set-operation context 'receive-keys)
1998 (epg-context-set-result context nil)
1999 (epg--start context (cons "--recv-keys" key-id-list)))
2002 (defun epg-receive-keys (context keys)
2003 "Add keys from server.
2004 KEYS is a list of key IDs"
2007 (epg-start-receive-keys context keys)
2008 (epg-wait-for-completion context)
2009 (if (epg-context-result-for context 'error)
2010 (error "Receive keys failed: %S"
2011 (epg-context-result-for context 'error))))
2012 (epg-reset context)))
2015 (defalias 'epg-import-keys-from-server 'epg-receive-keys)
2018 (defun epg-start-delete-keys (context keys &optional allow-secret)
2019 "Initiate an delete keys operation.
2021 If you use this function, you will need to wait for the completion of
2022 `epg-gpg-program' by using `epg-wait-for-completion' and call
2023 `epg-reset' to clear a temporaly output file.
2024 If you are unsure, use synchronous version of this function
2025 `epg-delete-keys' instead."
2026 (epg-context-set-operation context 'delete-keys)
2027 (epg-context-set-result context nil)
2028 (epg--start context (cons (if allow-secret
2029 "--delete-secret-key"
2034 (car (epg-key-sub-key-list key))))
2038 (defun epg-delete-keys (context keys &optional allow-secret)
2039 "Delete KEYS from the key ring."
2042 (epg-start-delete-keys context keys allow-secret)
2043 (epg-wait-for-completion context)
2044 (if (epg-context-result-for context 'error)
2045 (error "Delete keys failed: %S"
2046 (epg-context-result-for context 'error))))
2047 (epg-reset context)))
2050 (defun epg-start-sign-keys (context keys &optional local)
2051 "Initiate an sign keys operation.
2053 If you use this function, you will need to wait for the completion of
2054 `epg-gpg-program' by using `epg-wait-for-completion' and call
2055 `epg-reset' to clear a temporaly output file.
2056 If you are unsure, use synchronous version of this function
2057 `epg-sign-keys' instead."
2058 (epg-context-set-operation context 'sign-keys)
2059 (epg-context-set-result context nil)
2060 (epg--start context (cons (if local
2066 (car (epg-key-sub-key-list key))))
2070 (defun epg-sign-keys (context keys &optional local)
2071 "Sign KEYS from the key ring."
2074 (epg-start-sign-keys context keys local)
2075 (epg-wait-for-completion context)
2076 (if (epg-context-result-for context 'error)
2077 (error "Sign keys failed: %S"
2078 (epg-context-result-for context 'error))))
2079 (epg-reset context)))
2082 (defun epg-start-generate-key (context parameters)
2083 "Initiate a key generation.
2084 PARAMETERS specifies parameters for the key.
2086 If you use this function, you will need to wait for the completion of
2087 `epg-gpg-program' by using `epg-wait-for-completion' and call
2088 `epg-reset' to clear a temporaly output file.
2089 If you are unsure, use synchronous version of this function
2090 `epg-generate-key-from-file' or `epg-generate-key-from-string' instead."
2091 (epg-context-set-operation context 'generate-key)
2092 (epg-context-set-result context nil)
2093 (if (epg-data-file parameters)
2094 (epg--start context (list "--batch" "--genkey"
2095 (epg-data-file parameters)))
2096 (epg--start context '("--batch" "--genkey"))
2097 (if (eq (process-status (epg-context-process context)) 'run)
2098 (process-send-string (epg-context-process context)
2099 (epg-data-string parameters)))
2100 (if (eq (process-status (epg-context-process context)) 'run)
2101 (process-send-eof (epg-context-process context)))))
2104 (defun epg-generate-key-from-file (context parameters)
2105 "Generate a new key pair.
2106 PARAMETERS is a file which tells how to create the key."
2109 (epg-start-generate-key context (epg-make-data-from-file parameters))
2110 (epg-wait-for-completion context)
2111 (if (epg-context-result-for context 'error)
2112 (error "Generate key failed: %S"
2113 (epg-context-result-for context 'error))))
2114 (epg-reset context)))
2117 (defun epg-generate-key-from-string (context parameters)
2118 "Generate a new key pair.
2119 PARAMETERS is a string which tells how to create the key."
2122 (epg-start-generate-key context (epg-make-data-from-string parameters))
2123 (epg-wait-for-completion context)
2124 (if (epg-context-result-for context 'error)
2125 (error "Generate key failed: %S"
2126 (epg-context-result-for context 'error))))
2127 (epg-reset context)))
2129 (defun epg--decode-hexstring (string)
2131 (while (eq index (string-match "[0-9A-Fa-f][0-9A-Fa-f]" string index))
2132 (setq string (replace-match "\\x\\&" t nil string)
2134 (car (read-from-string (concat "\"" string "\"")))))
2136 (defun epg--decode-quotedstring (string)
2138 (while (string-match "\\\\\\(\\([,=+<>#;\\\"]\\)\\|\
2139 \\([0-9A-Fa-f][0-9A-Fa-f]\\)\\|\\(.\\)\\)"
2141 (if (match-beginning 2)
2142 (setq string (replace-match "\\2" t nil string)
2144 (if (match-beginning 3)
2145 (setq string (replace-match "\\x\\3" t nil string)
2147 (setq string (replace-match "\\\\\\\\\\4" t nil string)
2148 index (+ index 3)))))
2149 (car (read-from-string (concat "\"" string "\"")))))
2151 (defun epg-dn-from-string (string)
2152 "Parse STRING as LADPv3 Distinguished Names (RFC2253).
2153 The return value is an alist mapping from types to values."
2155 (length (length string))
2156 alist type value group)
2157 (while (< index length)
2158 (if (eq index (string-match "[ \t\n\r]*" string index))
2159 (setq index (match-end 0)))
2160 (if (eq index (string-match
2161 "\\([0-9]+\\(\\.[0-9]+\\)*\\)\[ \t\n\r]*=[ \t\n\r]*"
2163 (setq type (match-string 1 string)
2164 index (match-end 0))
2165 (if (eq index (string-match "\\([0-9A-Za-z]+\\)[ \t\n\r]*=[ \t\n\r]*"
2167 (setq type (match-string 1 string)
2168 index (match-end 0))))
2170 (error "Invalid type"))
2171 (if (eq index (string-match
2172 "\\([^,=+<>#;\\\"]\\|\\\\.\\)+"
2174 (setq index (match-end 0)
2175 value (epg--decode-quotedstring (match-string 0 string)))
2176 (if (eq index (string-match "#\\([0-9A-Fa-f]+\\)" string index))
2177 (setq index (match-end 0)
2178 value (epg--decode-hexstring (match-string 1 string)))
2179 (if (eq index (string-match "\"\\([^\\\"]\\|\\\\.\\)*\""
2181 (setq index (match-end 0)
2182 value (epg--decode-quotedstring
2183 (match-string 0 string))))))
2185 (if (stringp (car (car alist)))
2186 (setcar alist (list (cons type value) (car alist)))
2187 (setcar alist (cons (cons type value) (car alist))))
2188 (if (consp (car (car alist)))
2189 (setcar alist (nreverse (car alist))))
2190 (setq alist (cons (cons type value) alist)
2193 (if (eq index (string-match "[ \t\n\r]*\\([,;+]\\)" string index))
2194 (setq index (match-end 0)
2195 group (eq (aref string (match-beginning 1)) ?+))))
2198 (defun epg-decode-dn (alist)
2199 "Convert ALIST returned by `epg-dn-from-string' to a human readable form.
2200 Type names are resolved using `epg-dn-type-alist'."
2203 (if (stringp (car rdn))
2204 (let ((entry (assoc (car rdn) epg-dn-type-alist)))
2206 (format "%s=%s" (cdr entry) (cdr rdn))
2207 (format "%s=%s" (car rdn) (cdr rdn))))
2208 (concat "(" (epg-decode-dn rdn) ")")))
2214 ;;; epg.el ends here