29d3bcb49a9812d5785618170fc2723c098d3f7e
[elisp/epg.git] / ChangeLog
1 2006-09-24  Daiki Ueno  <ueno@unixuser.org>
2
3         * epa.el (epa-passphrase-callback-function): Moved from epg.el.
4         (epa-progress-callback-function): Ditto.
5         * epg.el (epg-passphrase-callback-function): Made it obsolete.
6         (epg-progress-callback-function): Ditto.
7
8 2006-09-23  Daiki Ueno  <ueno@unixuser.org>
9
10         * epg.el (epg-start-decrypt): Append "--" to the end of options.
11         (epg-start-verify): Ditto.
12         (epg-start-sign): Ditto.
13         (epg-start-encrypt): Ditto.
14         (epg-start-import-keys): Ditto.
15         (epg-start-generate-key): Ditto.
16
17 2006-09-23  Daiki Ueno  <ueno@unixuser.org>
18
19         * epg.el (epg-make-context): Don't set progress-callback by
20         default.
21         (epg--start): Don't specify --enable-progress-filter if
22         progress-callback is not set.
23         (epg--status-GET_HIDDEN): Signal an error if passphrase-callback
24         is not set.
25
26 2006-09-15  Daiki Ueno  <ueno@unixuser.org>
27
28         * epg.el (epg-progress-callback-function): Show the percentage.
29
30 2006-09-15  Juliusz Chroboczek <Juliusz.Chroboczek@pps.jussieu.fr>
31
32         * pgg-epg.el (mml2015-gpg-extract-signature-details): Fixed a typo.
33
34 2006-09-13  Daiki Ueno  <ueno@unixuser.org>
35
36         * epg-config.el (epg-passphrase-coding-system): Renamed from
37         epg-locale-coding-system.
38
39 2006-09-11  Daiki Ueno  <ueno@unixuser.org>
40
41         * epa-file.el (epa-file-decode-and-insert): New function which
42         utilizes decode-coding-inserted-region if available.
43         (epa-file-insert-file-contents): Use it.
44
45         * epg.el (epg--start): Specify --enable-progress-filter in
46         imitation of GPGME.
47         (epg-progress-callback-function): Remove a couple of %%'s.
48
49 2006-09-05  Hiroya Murata  <lapis-lazuli@pop06.odn.ne.jp>
50
51         * epg-config.el (epg-configuration): Fixed the last change;
52         collect configuration other than group and algorithm.
53
54 2006-09-05  Daiki Ueno  <ueno@unixuser.org>
55
56         * epg-config.el (epg-debug): Moved from epg.el.
57         (epg-configuration): Parse group configuration.
58         (epg-expand-group): New function.
59
60 2006-09-04  Daiki Ueno  <ueno@unixuser.org>
61
62         * EasyPG: Version 0.0.5 released.
63         * epg.el (epg-version-number): Bump up.
64         * configure.ac: Bump up version.
65
66 2006-09-04  Daiki Ueno  <ueno@unixuser.org>
67
68         * epg-config.el (epg-locale-coding-system): New user option.
69
70         * epg.el (epg--list-keys-1): Respect epg-gpg-home-directory.
71         (epg--clear-string): New function.
72         (epg--status-GET_HIDDEN): Encode passphrase with
73         terminal-coding-system.
74
75         * epg-config.el (epg-gpg-minimum-version): New constant.
76         (epg-config--parse-version): New function.
77         (epg-config--compare-version): New function.
78         (epg-configuration): Respect epg-gpg-home-directory.
79
80 2006-09-03  Daiki Ueno  <ueno@unixuser.org>
81
82         * epg-config.el: New file; moved GnuPG configuration check from
83         epg.el.
84
85 2006-09-02  Daiki Ueno  <ueno@unixuser.org>
86
87         * epg.el (epg-check-configuration): New function.
88         (epg-gpg-home-directory): New user option.
89
90         * pgg-epg.el (pgg-epg-lookup-key): New function.
91
92 2006-07-29  Daiki Ueno  <ueno@unixuser.org>
93
94         * EasyPG: Version 0.0.4 released.
95         * epg.el (epg-version-number): Bump up.
96         * configure.ac: Bump up version.
97
98 2006-07-29  Daiki Ueno  <ueno@unixuser.org>
99
100         * acinclude.m4 (AC_CHECK_GPG): Run $3 if there is no gpg executable.
101
102 2006-07-28  Daiki Ueno  <ueno@unixuser.org>
103
104         * epg.el (epg-start-encrypt): Extract primary key ID from
105         epg-context-signers.
106         Thanks to Steve Youngs <steve@sxemacs.org>
107
108         * pgg-epg.el (pgg-epg-encrypt-region): Fixed a bug; it didn't
109         give CONTEXT to epg-list-keys.
110         Thanks to Steve Youngs <steve@sxemacs.org>
111
112 2006-07-18  Daiki Ueno  <ueno@unixuser.org>
113
114         * epg-pgp50i.el (epg-pgp50i--process-filter): Use
115         epg-process-filter-running instead of epg-pgp50i-status; Don't
116         save-excursion during handler execution.
117         (epg-pgp50i--read-line): Renamed from epg-pgp50i--wait-for-line;
118         don't allow process input.
119         (epg-pgp50i--parse-time): New function.
120         (epg-pgp50i--status-BAD_SIGNATURE): New function.
121
122         * epg.el (epg--process-filter): Don't save-excursion during
123         handler execution.
124
125 2006-07-18  Daiki Ueno  <ueno@unixuser.org>
126
127         * acinclude.m4 (AC_CHECK_GPG): Renamed from AC_PATH_GPG.
128
129         * epg.el (epg-process-filter-running): New variable.
130         (epg--start): Setup epg-process-filter-running.
131         (epg--process-filter): Allow only one status handler to run at a
132         time; update epg-read-point everytime the point changes.
133
134 2006-07-14  Daiki Ueno  <ueno@unixuser.org>
135
136         * epg-pgp50i.el: New file.
137
138 2006-07-13  Daiki Ueno  <ueno@unixuser.org>
139
140         * acinclude.m4 (AC_PATH_GPG): New macro.
141         * configure.ac: Check gpg version.
142         Suggested by Max Froumentin <max@lapin-bleu.net>
143
144 2006-07-10  Daiki Ueno  <ueno@unixuser.org>
145
146         * epg.el (epg--status-ERRSIG): Don't remove the last verify-result.
147         (epg-signature-to-string): Remove a trailing whitespace.
148
149         * epa.el (epa-keys-mode-map): Bind return to epa-toggle-mark.
150         (epa-toggle-mark): New command.
151
152 2006-07-04  Daiki Ueno  <ueno@unixuser.org>
153
154         * pgg-epg.el (pgg-epg-sign-region): Select the signing key matched
155         with pgg-default-user-id.
156         Reported by Elias Oltmanns <oltmanns@uni-bonn.de>
157
158 2006-07-01  Daiki Ueno  <ueno@unixuser.org>
159
160         * epa.el (epa-select-keys): If SECRET is specified, select a
161         primary secret key by default.
162
163 2006-06-29  Daiki Ueno  <ueno@unixuser.org>
164
165         * EasyPG: Version 0.0.3 released.
166         * epg.el (epg-version-number): Bump up.
167         * configure.ac: Bump up version.
168
169 2006-06-12  Daiki Ueno  <ueno@unixuser.org>
170
171         * epa-file.el (epa-file-insert-file-contents): Don't move the
172         point to the end of the inserted region.
173         Reported by doug <douglas.bagley@gmail.com>
174
175 2006-06-01  Daiki Ueno  <ueno@unixuser.org>
176
177         * epa-file.el (epa-file-insert-file-contents): Support partial read.
178
179 2006-05-30  Hiroya Murata  <lapis-lazuli@pop06.odn.ne.jp>
180
181         * epa-file.el (epa-file-write-region): Encode the plain text with
182         coding-system-for-write.
183
184 2006-05-30  Daiki Ueno  <ueno@unixuser.org>
185
186         * epa-file.el (epa-file-insert-file-contents):
187         Decode the decrypted text with coding-system-for-read.
188
189 2006-05-29  Daiki Ueno  <ueno@unixuser.org>
190
191         * EasyPG: Version 0.0.2 released.
192         * epg.el (epg-version-number): Bump up.
193         * configure.ac: Bump up version.
194
195 2006-05-29  Daiki Ueno  <ueno@unixuser.org>
196
197         * epg.el (epg--time-from-seconds): New function.
198         (epg--status-ERRSIG): Convert seconds from epoch to encoded-time.
199         (epg--status-VALIDSIG): Ditto.
200         (epg--status-KEYEXPIRED): Ditto.
201
202 2006-05-28  Daiki Ueno  <ueno@unixuser.org>
203
204         * epg.el (epg-start-import-keys): Don't specify filename if keys
205         is a string data.
206
207 2006-05-27  Daiki Ueno  <ueno@unixuser.org>
208
209         * epg.el (epg--process-filter): Pass epg-context instead of
210         process to status handlers.
211         (epg--status-NO_PUBKEY): Check if the previous signature's key-id
212         matches with the given key-id.
213
214 2006-05-26  Daiki Ueno  <ueno@unixuser.org>
215
216         * epg.el (epg--status-NO_PUBKEY): Replace the previous signature's
217         status from 'error to 'no-pubkey.
218         (epg--status-ERRSIG): Just add 'error signature to the verify result.
219
220         * epa.el (epa-insert-keys): Renamed from epa-list-keys-1; don't
221         disable inhibit-quit here; make text-properties nonsticky.
222         (epa-popup-info-window): New user option.
223         (epa-info-window-height): New user option.
224         (epa-display-verify-result): New function.
225         (epa-decrypt-file): Use it.
226         (epa-verify-file): Use it.
227         (epa-decrypt-region): Use it.
228         (epa-verify-region): Use it.
229
230         * epg.el (epg-make-context): New slot "operation".
231         (epg-passphrase-callback-function): Confirm passphrase when
232         performing symmetric encryption.
233
234 2006-05-25  Daiki Ueno  <ueno@unixuser.org>
235
236         * epa.el (epa-decrypt-file): Display verify result if the message
237         is signed.
238         (epa-decrypt-region): New command.
239         (epa-verify-region): New command.
240         (epa-decrypt-armor-in-region): New command.
241         (epa-verify-armor-in-region): New command.
242         (epa-sign-region): New command.
243         (epa-encrypt-region): New command.
244
245 2006-05-11  Daiki Ueno  <ueno@unixuser.org>
246
247         * epa.el (epa-armor): New user option.
248         (epa-textmode): New user option.
249
250 2006-05-02  Daiki Ueno  <ueno@unixuser.org>
251
252         * epg.el (epg-make-key-signature): New object epg-key-signature.
253         (epg-list-keys): Collect key signatures.
254         (epg-make-sub-key): Renamed secret -> secret-p.
255         (epg-list-keys-postprocess-one-key): Abolished.
256         (epg-list-keys): Reverse all keys, sub-keys, user-ids, and key
257         signatures by itself.
258         (epg-no-data-reason-alist): New constant.
259         (epg-unexpected-reason-alist): New constant.
260
261 2006-05-01  Daiki Ueno  <ueno@unixuser.org>
262
263         * epg.el (epg-invalid-recipients-reason-alist): Renamed.
264         (epg-delete-problem-reason-alist): Renamed.
265         (epg-import-ok-reason-alist): New constant.
266         (epg-import-problem-reason-alist): New constant.
267         (epg-status-IMPORTED): New function.
268         (epg-status-IMPORT_OK): New function.
269         (epg-status-IMPORT_PROBLEM): New function.
270         (epg-start-import-keys): Don't use a temporary output file.
271         (epg-start-receive-keys): New function.
272         (epg-import-keys-from-server): New function.
273         (epg-receive-keys): Alias to epg-import-keys-from-server.
274
275 2006-05-01  Daiki Ueno  <ueno@unixuser.org>
276
277         * epg.el (epg-start): Signal an error if the process of CONTEXT is
278         already running for other operations.
279         (epg-flush): Abolished.
280         (epg-start-generate-key): New function.
281         (epg-generate-key-from-file): New function.
282         (epg-generate-key-from-string): New function.
283         (epg-status-KEY_CREATED): New function.
284         (epg-status-KEY_NOT_CREATED): New function.
285         (epg-new-signature-type-alist): New variable.
286         (epg-make-new-signature): New object epg-new-signature.
287         (epg-status-SIG_CREATED): Set epg-new-signature object.
288         (epg-new-signature-to-string): New function.
289         (epg-make-signature): Added slots for signature class and version.
290         (epg-start-sign): Fixed rule of the MODE argument.
291
292 2006-04-30  Daiki Ueno  <ueno@unixuser.org>
293
294         * epa.el (epa-delete-keys): Support deletion of secret keys.
295
296         * pgg-epg.el (pgg-epg-decrypt-region): Convert line endings of the
297         decrypted text.
298
299         * epg.el (epg-read-output): Don't convert line endings of the
300         output file.
301         (epg-cancel): Set 'error result.
302
303 2006-04-29  Daiki Ueno  <ueno@unixuser.org>
304
305         * epg.el (epg-make-signature): Removed user-id; added
306         creation-time, expiration-time, pubkey-algorithm,
307         digest-algorithm.
308         (epg-process-sentinel): Abolished.
309         (epg-signature-to-string): Decode DN.
310         (epg-list-keys): Cache user-id in epg-user-id-alist.
311         (epg-make-user-id): Renamed name -> string.
312
313 2006-04-29  Daiki Ueno  <ueno@unixuser.org>
314
315         * epg.el (epg-status-ERRSIG): New function.
316         (epg-verify-file): Signal an error if we encounter ERRSIG status.
317         (epg-verify-string): Ditto.
318
319 2006-04-28  Daiki Ueno  <ueno@unixuser.org>
320
321         * epg.el: Added typecheck to accessors to objects.
322
323 2006-04-26  Daiki Ueno  <ueno@unixuser.org>
324
325         * epg.el (epg-status-GET_HIDDEN): Pass epg-context as the first
326         argument of passphrase-callback.
327         (epg-status-PROGRESS): Ditto.
328
329 2006-04-26  Daiki Ueno  <ueno@unixuser.org>
330
331         * epa.el (epa-select-keys): Don't set inhibit-quit when
332         recursive-edit is called.
333         (epg-cancel): New function.
334
335 2006-04-25  Daiki Ueno  <ueno@unixuser.org>
336
337         * epg.el (epg-process-sentinel): New function; set 'error if gpg
338         process exited abnormally, but we have not received an error
339         response from it.
340         (epg-sign-file): Signal an error only when a signature is not
341         created.
342         (epg-sign-string): Ditto.
343         (epg-encrypt-file): Signal an error if SIGN is specified and
344         signature is not created.
345         (epg-encrypt-string): Ditto.
346
347 2006-04-22  Daiki Ueno  <ueno@unixuser.org>
348
349         * epa.el (epa-key-widget-value-create): Decode DN.
350         (epa-list-keys): Add the PROTOCOL argument.
351         (epa-select-keys): Require CONTEXT as the first argument.
352
353         * epg.el (epg-gpgsm-program): New user option.
354         (epg-dn-type-alist): New variable.
355         (epg-start): Don't specify --command-fd if protocol is CMS.
356         (epg-list-keys): Require CONTEXT as the first argument.
357         (epg-dn-from-string): New function.
358         (epg-decode-dn): New function.
359
360 2006-04-21  Daiki Ueno  <ueno@unixuser.org>
361
362         * epa.el (epa-sign-keys): New command.
363
364         * epg.el (epg-start-sign-keys): New function.
365         (epg-sign-keys): New function.
366         (epg-status-GET_HIDDEN): Enable local quit.
367         (epg-status-GET_BOOL): Ditto.
368         (epg-status-GET_LINE): Ditto.
369
370 2006-04-20  Daiki Ueno  <ueno@unixuser.org>
371
372         * epa.el (epa-list-keys-1): Add 'epa-list-keys property to keylist
373         region.
374
375 2006-04-20  Daiki Ueno  <ueno@unixuser.org>
376
377         * pgg-epg.el (pgg-epg-secret-key-id-list): New variable.
378         (pgg-epg-passphrase-callback): New function.
379
380         * epa.el (epa-select-keys): Added "Cancel" button.
381
382 2006-04-20  Daiki Ueno  <ueno@unixuser.org>
383
384         * epg.el (epg-signature-to-string): New function.
385
386 2006-04-20  Daiki Ueno  <ueno@unixuser.org>
387
388         * epa-file.el (epa-file-write-region): RECIPIENTS is now a list of
389         key objects.
390         * epa-dired.el (epa-dired-do-encrypt): RECIPIENTS is now a list of
391         key objects.
392
393         * epa.el (epa-select-keys): Added MODE argument.
394         (epa-encrypt-file): RECIPIENTS is now a list of key objects.
395
396         * epg.el (epg-status-SIG_CREATED): New function.
397         (epg-start-sign): epg-context-signers is now a list of key objects.
398         (epg-start-encrypt): RECIPIENTS is now a list of key objects.
399
400 2006-04-19  Daiki Ueno  <ueno@unixuser.org>
401
402         * epa.el (epa-verify-file): Show results in minibuffer.
403         * epg.el (epg-debug-buffer): New variable.
404         (epg-flush): New function.
405
406 2006-04-18  Daiki Ueno  <ueno@unixuser.org>
407
408         * epa.el (epa-export-keys): New command.
409         * epg.el (epg-start-export-keys): Accept a list of epg-key object
410         instead of a regexp.
411
412 2006-04-18  Daiki Ueno  <ueno@unixuser.org>
413
414         * epa.el (epa-keys-mode-map): Bind epa-list-keys; epa-import-key.
415         (epa-import-key): New command.
416
417         * epg.el (epg-delete-problem-alist): New constant.
418         (epg-status-DELETE_PROBLEM): New function.
419         (epg-start-delete-key): New function.
420         (epg-delete-key): New function.
421         (epg-wait-for-completion): Add the NO-EOF argument.
422
423 2006-04-18  Daiki Ueno  <ueno@unixuser.org>
424
425         * epg.el (epg-start): Insert the command-line arguments to the
426         debug buffer.
427         (epg-start-encrypt): Wait for BEGIN_ENCRYPTION.
428         (epg-start-delete-key): New function.
429         (epg-delete-key): New function.
430
431         * epa.el (epa-key): New widget.
432         (epa-key-widget-action): New function.
433         (epa-key-widget-value-create): New function.
434         (epa-key-widget-button-face-get): New function.
435         (epa-key-widget-help-echo): New function.
436
437 2006-04-17  Daiki Ueno  <ueno@unixuser.org>
438
439         * epa-file.el (epa-file-write-region): Check if START is a string.
440
441 2006-04-17  Daiki Ueno  <ueno@unixuser.org>
442
443         * epa-file.el: Rewritten with file-name-handler.
444         (epa-file-handler): New variable.
445         (epa-file-enable): New command.
446         (epa-file-disable): New command.
447
448         * epa-setup.el: Call epa-file-enable.
449
450 2006-04-17  Daiki Ueno  <ueno@unixuser.org>
451
452         * epa-file.el (epa-passphrase): New variable.
453         (epa-file-passphrase-callback-function): New function.
454         (epa-find-file): Reset buffer-undo-list; set
455         buffer-file-coding-system to last-coding-system-used after
456         decoding.
457
458 2006-04-17  Daiki Ueno  <ueno@unixuser.org>
459
460         * epa-file.el (epa-write-file): Try to write region to "/" to get
461         last-coding-system-used to be set.
462
463 2006-04-17  Daiki Ueno  <ueno@unixuser.org>
464
465         * epa-file.el: New implementation of epf.el.
466
467         * epf.el: Abolished.
468
469 2006-04-17  Daiki Ueno  <ueno@unixuser.org>
470
471         * epa.el (epa-verify-file): Display verify result.
472
473         * epg.el (epg-invalid-recipients-alist): New variable.
474         (epg-status-INV_RECP): New function.
475         (epg-status-NO_RECP): New function.
476
477         * epa.el (epa-keys-mode-map): Bind epa-decrypt-file,
478         epa-verify-file, epa-sign-file, and epa-encrypt-file.
479         (epa-decrypt-file): New function imported from epa-dired.el.
480         (epa-verify-file): New function imported from epa-dired.el.
481         (epa-sign-file): New function imported from epa-dired.el.
482         (epa-encrypt-file): New function imported from epa-dired.el.
483
484 2006-04-16  Daiki Ueno  <ueno@unixuser.org>
485
486         * epa.el (epa-select-keys): Renamed from epa-ask-keys; use
487         recursive-edit.
488         * epa-dired.el (epa-dired-encrypt-file): Use epa-select-keys.
489
490 2006-04-16  Daiki Ueno  <ueno@unixuser.org>
491
492         * epa-setup.el: New file.
493         * epa-dired.el: New file.
494
495         * epg.el (epg-colons-pub-spec): Abolished.
496         (epg-colons-sec-spec): Abolished.
497         (epg-colons-uid-spec): Abolished.
498         (epg-colons-fpr-spec): Abolished.
499         (epg-key-validity-alist): New variable.
500         (epg-key-capablity-alist): New variable.
501         (epg-make-key): New object epg-key.
502         (epg-make-sub-key): New object epg-sub-key.
503         (epg-make-user-id): New object epg-user-id.
504         (epg-list-keys-1): Renamed from epg-list-keys.
505         (epg-list-keys): Rewritten.
506
507 2006-04-15  Daiki Ueno  <ueno@unixuser.org>
508
509         * epg.el (epg-list-keys): Make the NAME argument optional.
510
511 2006-04-13  Daiki Ueno  <ueno@unixuser.org>
512
513         * epa.el: Added header.
514
515         * epg.el (epg-list-keys): Specify --with-fingerprint.
516         (epg-colons-fpr-spec): New variable.
517         (epg-colons-pub-spec): Renamed trust -> validity and ownertrust ->
518         owner-trust.
519         (epg-colons-sec-spec): Ditto.
520         (epg-colons-uid-spec): Renamed trust -> validity.
521
522 2006-04-13  Daiki Ueno  <ueno@unixuser.org>
523
524         * epa.el: New file.
525
526         * epg.el (epg-cipher-algorithm-alist): New constant.
527         (epg-pubkey-algorithm-alist): New constant.
528         (epg-digest-algorithm-alist): New constant.
529         (epg-compress-algorithm-alist): New constant.
530         (epg-configuration): New function.
531         (epg-start): Don't specify --yes.
532
533 2006-04-13  Daiki Ueno  <ueno@unixuser.org>
534
535         * epg.el (epg-make-data-from-file): New function.
536         (epg-make-data-from-string): New function.
537         (epg-data-file): New function.
538         (epg-data-string): New function.
539         (epg-start-decrypt): Get a cipher text from a data object.
540         (epg-delete-output-file): New function.
541         (epg-decrypt-file): Add the 3rd argument PLAIN to specify where
542         the output goes.
543         (epg-start-verify): Get a signature and signed-text from a data
544         object.
545         (epg-verify-file): Added the 3rd argument PLAIN to specify where
546         the output goes; return the plain text if PLAIN is nil.
547         (epg-verify-string): Return the plain text.
548         (epg-start-sign): Get a plain text from a data object.
549         (epg-sign-file): Added the 3rd argument SIGNATURE to specify where
550         the output goes.
551         (epg-start-encrypt): Get a plain text from a data object.
552         (epg-encrypt-file): Added the 4th argument CIPHER to specify where
553         the output goes.
554         (epg-start-import-keys): Get keys from a data object.
555         (epg-import-keys-1): New function.
556         (epg-import-keys-from-file): Use it.
557         (epg-import-keys-from-string): Use it.
558
559 2006-04-12  Daiki Ueno  <ueno@unixuser.org>
560
561         * epf.el: Renamed from epg-file.el.
562
563 2006-04-12  Daiki Ueno  <ueno@unixuser.org>
564
565         * epg.el (epg-status-GET_BOOL): New function.
566         (epg-status-GET_LINE): New function.
567         (epg-prompt-alist): New variable, to be filled.
568
569         * pgg-epg.el (mml2015-gpg-extract-signature-details): New function.
570         * epg.el (epg-signature-fingerprint): New function.
571         (epg-signature-set-fingerprint): New function.
572         (epg-status-VALIDSIG): New function.
573
574         * epg.el (epg-reset): Don't reset result.
575         (epg-start-decrypt): Reset result before epg-start.
576         (epg-start-verify): Ditto.
577         (epg-start-sign): Ditto.
578         (epg-start-encrypt): Ditto.
579         (epg-start-export-keys): Ditto.
580         (epg-start-import-keys): Ditto.
581
582         * Makefile.am (EXTRA_DIST): Added pgg-epg.el.
583         * pgg-epg.el: New file.
584
585         * epg.el (epg-start-export-keys): New function.
586         (epg-export-keys): New function.
587         (epg-start-import-keys): New function.
588         (epg-import-keys): New function.
589         (epg-verify-file): New function.
590
591         * epg-file.el (epg-file-write-region): Support public key encryption.
592
593         * epg.el (epg-passphrase-callback-function): Always display key-id.
594