PGG: byte length problem in pass-phrase (was: default-enable-multibyte-characters in pgg-gpg)

[Reiner Steib <reinersteib+gmane@imap.cc>]

On Wed, Mar 29 2006, Simon Josefsson wrote:

> Reiner Steib <reinersteib+gmane@imap.cc> writes:
>> For testing, I changed my pass-phrase to start with `ä' (#x8e4,
>> U+00E4, LATIN SMALL LETTER A DIAERESIS) [...]
>> Debugger entered--Lisp error: (error "Attempt to change byte length
>> of a string")
>>   fillarray("\x8e4[...]" 0)
>>   pgg-gpg-status-BAD_PASSPHRASE(#<process pgg-gpg<2>>
>>   "BAD_PASSPHRASE E222255A3C6B854E")
>
> After fixing that minor issue, we would probably also have to make it
> possible to configure which character set is used for the password
> encoding.  Perhaps your terminal was using ISO-8859-1 and emacs used
> UTF-8, then gpg likely won't accept the password.
>
> Alternatively, gpg should convert the password received from the
> terminal-encoded charset to the charset used when setting the
> password, or always convert to UTF-8.

I didn't have any UTF-8 settings.  (The following setting are from a
different machine, but I think I have the same locale and Emacs
settings on both.)

--8<---------------cut here---------------start------------->8---
From M-x report-emacs-bug RET:

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: de_DE@euro
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US
  locale-coding-system: iso-8859-15
  default-enable-multibyte-characters: t

Minor modes in effect:
[...]
  unify-8859-on-decoding-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t

M-x describe-current-coding-system RET:

Coding system for saving this buffer:
  Not set locally, use the default.
Default coding system (for new files):
  1 -- iso-latin-1 (alias: iso-8859-1 latin-1)

Coding system for keyboard input:
  nil
Coding system for terminal output:
  0 -- iso-8859-15 (alias of iso-latin-9)

Defaults for subprocess I/O:
  decoding: 1 -- iso-latin-1 (alias: iso-8859-1 latin-1)
  encoding: 1 -- iso-latin-1 (alias: iso-8859-1 latin-1)
--8<---------------cut here---------------end--------------->8---

Do you see anything odd there?

Bye, Reiner.
-- 
       ,,,
      (o o)
---ooO-(_)-Ooo---  |  PGP key available  |  http://rsteib.home.pages.de/