mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-22 10:19:57 +01:00
1d23dc9389
* agent/findkey.c (agent_write_private_key): Add arg dispserialno and update the token. (agent_write_shadow_key): Add arg dispserialno and adjust all callers. -- GnuPG-bug-id: 6135 Note that this has been forward ported from 2.2
643 lines
18 KiB
C
643 lines
18 KiB
C
/* genkey.c - Generate a keypair
|
||
* Copyright (C) 2002, 2003, 2004, 2007, 2010 Free Software Foundation, Inc.
|
||
* Copyright (C) 2015 g10 Code GmbH.
|
||
*
|
||
* This file is part of GnuPG.
|
||
*
|
||
* GnuPG is free software; you can redistribute it and/or modify
|
||
* it under the terms of the GNU General Public License as published by
|
||
* the Free Software Foundation; either version 3 of the License, or
|
||
* (at your option) any later version.
|
||
*
|
||
* GnuPG is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
* GNU General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU General Public License
|
||
* along with this program; if not, see <https://www.gnu.org/licenses/>.
|
||
*/
|
||
|
||
#include <config.h>
|
||
#include <errno.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <ctype.h>
|
||
|
||
#include "agent.h"
|
||
#include "../common/i18n.h"
|
||
#include "../common/exechelp.h"
|
||
#include "../common/sysutils.h"
|
||
|
||
static int
|
||
store_key (gcry_sexp_t private, const char *passphrase, int force,
|
||
unsigned long s2k_count, time_t timestamp)
|
||
{
|
||
int rc;
|
||
unsigned char *buf;
|
||
size_t len;
|
||
unsigned char grip[20];
|
||
|
||
if ( !gcry_pk_get_keygrip (private, grip) )
|
||
{
|
||
log_error ("can't calculate keygrip\n");
|
||
return gpg_error (GPG_ERR_GENERAL);
|
||
}
|
||
|
||
len = gcry_sexp_sprint (private, GCRYSEXP_FMT_CANON, NULL, 0);
|
||
log_assert (len);
|
||
buf = gcry_malloc_secure (len);
|
||
if (!buf)
|
||
return out_of_core ();
|
||
len = gcry_sexp_sprint (private, GCRYSEXP_FMT_CANON, buf, len);
|
||
log_assert (len);
|
||
|
||
if (passphrase)
|
||
{
|
||
unsigned char *p;
|
||
|
||
rc = agent_protect (buf, passphrase, &p, &len, s2k_count);
|
||
if (rc)
|
||
{
|
||
xfree (buf);
|
||
return rc;
|
||
}
|
||
xfree (buf);
|
||
buf = p;
|
||
}
|
||
|
||
rc = agent_write_private_key (grip, buf, len, force,
|
||
NULL, NULL, NULL, timestamp);
|
||
xfree (buf);
|
||
return rc;
|
||
}
|
||
|
||
|
||
/* Count the number of non-alpha characters in S. Control characters
|
||
and non-ascii characters are not considered. */
|
||
static size_t
|
||
nonalpha_count (const char *s)
|
||
{
|
||
size_t n;
|
||
|
||
for (n=0; *s; s++)
|
||
if (isascii (*s) && ( isdigit (*s) || ispunct (*s) ))
|
||
n++;
|
||
|
||
return n;
|
||
}
|
||
|
||
|
||
/* Check PW against a list of pattern. Return 0 if PW does not match
|
||
these pattern. If CHECK_CONSTRAINTS_NEW_SYMKEY is set in flags and
|
||
--check-sym-passphrase-pattern has been configured, use the pattern
|
||
file from that option. */
|
||
static int
|
||
do_check_passphrase_pattern (ctrl_t ctrl, const char *pw, unsigned int flags)
|
||
{
|
||
gpg_error_t err = 0;
|
||
const char *pgmname = gnupg_module_name (GNUPG_MODULE_NAME_CHECK_PATTERN);
|
||
estream_t stream_to_check_pattern = NULL;
|
||
const char *argv[10];
|
||
gnupg_process_t proc;
|
||
int result, i;
|
||
const char *pattern;
|
||
char *patternfname;
|
||
|
||
(void)ctrl;
|
||
|
||
pattern = opt.check_passphrase_pattern;
|
||
if ((flags & CHECK_CONSTRAINTS_NEW_SYMKEY)
|
||
&& opt.check_sym_passphrase_pattern)
|
||
pattern = opt.check_sym_passphrase_pattern;
|
||
if (!pattern)
|
||
return 1; /* Oops - Assume password should not be used */
|
||
|
||
if (strchr (pattern, '/') || strchr (pattern, '\\')
|
||
|| (*pattern == '~' && pattern[1] == '/'))
|
||
patternfname = make_absfilename_try (pattern, NULL);
|
||
else
|
||
patternfname = make_filename_try (gnupg_sysconfdir (), pattern, NULL);
|
||
if (!patternfname)
|
||
{
|
||
log_error ("error making filename from '%s': %s\n",
|
||
pattern, gpg_strerror (gpg_error_from_syserror ()));
|
||
return 1; /* Do not pass the check. */
|
||
}
|
||
|
||
/* Make debugging a broken config easier by printing a useful error
|
||
* message. */
|
||
if (gnupg_access (patternfname, F_OK))
|
||
{
|
||
log_error ("error accessing '%s': %s\n",
|
||
patternfname, gpg_strerror (gpg_error_from_syserror ()));
|
||
xfree (patternfname);
|
||
return 1; /* Do not pass the check. */
|
||
}
|
||
|
||
i = 0;
|
||
argv[i++] = "--null";
|
||
argv[i++] = "--",
|
||
argv[i++] = patternfname,
|
||
argv[i] = NULL;
|
||
log_assert (i < sizeof argv);
|
||
|
||
if (gnupg_process_spawn (pgmname, argv,
|
||
GNUPG_PROCESS_STDIN_PIPE,
|
||
NULL, NULL, &proc))
|
||
result = 1; /* Execute error - assume password should no be used. */
|
||
else
|
||
{
|
||
int status;
|
||
|
||
gnupg_process_get_streams (proc, 0, &stream_to_check_pattern,
|
||
NULL, NULL);
|
||
|
||
es_set_binary (stream_to_check_pattern);
|
||
if (es_fwrite (pw, strlen (pw), 1, stream_to_check_pattern) != 1)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
log_error (_("error writing to pipe: %s\n"), gpg_strerror (err));
|
||
result = 1; /* Error - assume password should not be used. */
|
||
}
|
||
else
|
||
es_fflush (stream_to_check_pattern);
|
||
es_fclose (stream_to_check_pattern);
|
||
gnupg_process_wait (proc, 1);
|
||
gnupg_process_ctl (proc, GNUPG_PROCESS_GET_EXIT_ID, &status);
|
||
if (status)
|
||
result = 1; /* Helper returned an error - probably a match. */
|
||
else
|
||
result = 0; /* Success; i.e. no match. */
|
||
gnupg_process_release (proc);
|
||
}
|
||
|
||
xfree (patternfname);
|
||
return result;
|
||
}
|
||
|
||
|
||
static int
|
||
take_this_one_anyway (ctrl_t ctrl, const char *desc, const char *anyway_btn)
|
||
{
|
||
return agent_get_confirmation (ctrl, desc,
|
||
anyway_btn, L_("Enter new passphrase"), 0);
|
||
}
|
||
|
||
|
||
/* Check whether the passphrase PW is suitable. Returns 0 if the
|
||
* passphrase is suitable and true if it is not and the user should be
|
||
* asked to provide a different one. If FAILED_CONSTRAINT is set, a
|
||
* message describing the problem is returned at FAILED_CONSTRAINT.
|
||
* The FLAGS are:
|
||
* CHECK_CONSTRAINTS_NOT_EMPTY
|
||
* Do not allow an empty passphrase
|
||
* CHECK_CONSTRAINTS_NEW_SYMKEY
|
||
* Hint that the passphrase is used for a new symmetric key.
|
||
*/
|
||
int
|
||
check_passphrase_constraints (ctrl_t ctrl, const char *pw, unsigned int flags,
|
||
char **failed_constraint)
|
||
{
|
||
gpg_error_t err = 0;
|
||
unsigned int minlen = opt.min_passphrase_len;
|
||
unsigned int minnonalpha = opt.min_passphrase_nonalpha;
|
||
char *msg1 = NULL;
|
||
char *msg2 = NULL;
|
||
char *msg3 = NULL;
|
||
int no_empty = !!(flags & CHECK_CONSTRAINTS_NOT_EMPTY);
|
||
|
||
if (ctrl && ctrl->pinentry_mode == PINENTRY_MODE_LOOPBACK)
|
||
return 0;
|
||
|
||
if (!pw)
|
||
pw = "";
|
||
|
||
/* The first check is to warn about an empty passphrase. */
|
||
if (!*pw)
|
||
{
|
||
const char *desc = (opt.enforce_passphrase_constraints || no_empty?
|
||
L_("You have not entered a passphrase!%0A"
|
||
"An empty passphrase is not allowed.") :
|
||
L_("You have not entered a passphrase - "
|
||
"this is in general a bad idea!%0A"
|
||
"Please confirm that you do not want to "
|
||
"have any protection on your key."));
|
||
|
||
err = 1;
|
||
if (failed_constraint)
|
||
{
|
||
if (opt.enforce_passphrase_constraints || no_empty)
|
||
*failed_constraint = xstrdup (desc);
|
||
else
|
||
err = take_this_one_anyway (ctrl, desc,
|
||
L_("Yes, protection is not needed"));
|
||
}
|
||
|
||
goto leave;
|
||
}
|
||
|
||
/* Now check the constraints and collect the error messages unless
|
||
in silent mode which returns immediately. */
|
||
if (utf8_charcount (pw, -1) < minlen )
|
||
{
|
||
if (!failed_constraint)
|
||
{
|
||
err = gpg_error (GPG_ERR_INV_PASSPHRASE);
|
||
goto leave;
|
||
}
|
||
|
||
msg1 = xtryasprintf
|
||
( ngettext ("A passphrase should be at least %u character long.",
|
||
"A passphrase should be at least %u characters long.",
|
||
minlen), minlen );
|
||
if (!msg1)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
goto leave;
|
||
}
|
||
}
|
||
|
||
if (nonalpha_count (pw) < minnonalpha )
|
||
{
|
||
if (!failed_constraint)
|
||
{
|
||
err = gpg_error (GPG_ERR_INV_PASSPHRASE);
|
||
goto leave;
|
||
}
|
||
|
||
msg2 = xtryasprintf
|
||
( ngettext ("A passphrase should contain at least %u digit or%%0A"
|
||
"special character.",
|
||
"A passphrase should contain at least %u digits or%%0A"
|
||
"special characters.",
|
||
minnonalpha), minnonalpha );
|
||
if (!msg2)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
goto leave;
|
||
}
|
||
}
|
||
|
||
/* If configured check the passphrase against a list of known words
|
||
and pattern. The actual test is done by an external program.
|
||
The warning message is generic to give the user no hint on how to
|
||
circumvent this list. */
|
||
if (*pw
|
||
&& (opt.check_passphrase_pattern || opt.check_sym_passphrase_pattern)
|
||
&& do_check_passphrase_pattern (ctrl, pw, flags))
|
||
{
|
||
if (!failed_constraint)
|
||
{
|
||
err = gpg_error (GPG_ERR_INV_PASSPHRASE);
|
||
goto leave;
|
||
}
|
||
|
||
msg3 = xtryasprintf
|
||
(L_("A passphrase may not be a known term or match%%0A"
|
||
"certain pattern."));
|
||
if (!msg3)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
goto leave;
|
||
}
|
||
}
|
||
|
||
if (failed_constraint && (msg1 || msg2 || msg3))
|
||
{
|
||
char *msg;
|
||
size_t n;
|
||
|
||
msg = strconcat
|
||
(L_("Warning: You have entered an insecure passphrase."),
|
||
"%0A%0A",
|
||
msg1? msg1 : "", msg1? "%0A" : "",
|
||
msg2? msg2 : "", msg2? "%0A" : "",
|
||
msg3? msg3 : "", msg3? "%0A" : "",
|
||
NULL);
|
||
if (!msg)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
goto leave;
|
||
}
|
||
/* Strip a trailing "%0A". */
|
||
n = strlen (msg);
|
||
if (n > 3 && !strcmp (msg + n - 3, "%0A"))
|
||
msg[n-3] = 0;
|
||
|
||
err = 1;
|
||
if (opt.enforce_passphrase_constraints)
|
||
*failed_constraint = msg;
|
||
else
|
||
{
|
||
err = take_this_one_anyway (ctrl, msg, L_("Take this one anyway"));
|
||
xfree (msg);
|
||
}
|
||
}
|
||
|
||
leave:
|
||
xfree (msg1);
|
||
xfree (msg2);
|
||
xfree (msg3);
|
||
return err;
|
||
}
|
||
|
||
|
||
/* Callback function to compare the first entered PIN with the one
|
||
currently being entered. */
|
||
static gpg_error_t
|
||
reenter_compare_cb (struct pin_entry_info_s *pi)
|
||
{
|
||
const char *pin1 = pi->check_cb_arg;
|
||
|
||
if (!strcmp (pin1, pi->pin))
|
||
return 0; /* okay */
|
||
return gpg_error (GPG_ERR_BAD_PASSPHRASE);
|
||
}
|
||
|
||
|
||
/* Ask the user for a new passphrase using PROMPT. On success the
|
||
function returns 0 and store the passphrase at R_PASSPHRASE; if the
|
||
user opted not to use a passphrase NULL will be stored there. The
|
||
user needs to free the returned string. In case of an error and
|
||
error code is returned and NULL stored at R_PASSPHRASE. */
|
||
gpg_error_t
|
||
agent_ask_new_passphrase (ctrl_t ctrl, const char *prompt,
|
||
char **r_passphrase)
|
||
{
|
||
gpg_error_t err;
|
||
const char *text1 = prompt;
|
||
const char *text2 = L_("Please re-enter this passphrase");
|
||
char *initial_errtext = NULL;
|
||
struct pin_entry_info_s *pi, *pi2;
|
||
|
||
*r_passphrase = NULL;
|
||
|
||
if (ctrl->pinentry_mode == PINENTRY_MODE_LOOPBACK)
|
||
{
|
||
size_t size;
|
||
unsigned char *buffer;
|
||
|
||
err = pinentry_loopback (ctrl, "NEW_PASSPHRASE", &buffer, &size,
|
||
MAX_PASSPHRASE_LEN);
|
||
if (!err)
|
||
{
|
||
if (size)
|
||
{
|
||
buffer[size] = 0;
|
||
*r_passphrase = buffer;
|
||
}
|
||
else
|
||
*r_passphrase = NULL;
|
||
}
|
||
return err;
|
||
}
|
||
|
||
pi = gcry_calloc_secure (1, sizeof (*pi) + MAX_PASSPHRASE_LEN + 1);
|
||
if (!pi)
|
||
return gpg_error_from_syserror ();
|
||
pi2 = gcry_calloc_secure (1, sizeof (*pi2) + MAX_PASSPHRASE_LEN + 1);
|
||
if (!pi2)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
xfree (pi);
|
||
return err;
|
||
}
|
||
pi->max_length = MAX_PASSPHRASE_LEN + 1;
|
||
pi->max_tries = 3;
|
||
pi->with_qualitybar = 0;
|
||
pi->with_repeat = 1;
|
||
pi2->max_length = MAX_PASSPHRASE_LEN + 1;
|
||
pi2->max_tries = 3;
|
||
pi2->check_cb = reenter_compare_cb;
|
||
pi2->check_cb_arg = pi->pin;
|
||
|
||
next_try:
|
||
err = agent_askpin (ctrl, text1, NULL, initial_errtext, pi, NULL, 0);
|
||
xfree (initial_errtext);
|
||
initial_errtext = NULL;
|
||
if (!err)
|
||
{
|
||
if (check_passphrase_constraints (ctrl, pi->pin, 0, &initial_errtext))
|
||
{
|
||
pi->failed_tries = 0;
|
||
pi2->failed_tries = 0;
|
||
goto next_try;
|
||
}
|
||
/* Unless the passphrase is empty or the pinentry told us that
|
||
it already did the repetition check, ask to confirm it. */
|
||
if (*pi->pin && !pi->repeat_okay)
|
||
{
|
||
err = agent_askpin (ctrl, text2, NULL, NULL, pi2, NULL, 0);
|
||
if (gpg_err_code (err) == GPG_ERR_BAD_PASSPHRASE)
|
||
{ /* The re-entered one did not match and the user did not
|
||
hit cancel. */
|
||
initial_errtext = xtrystrdup (L_("does not match - try again"));
|
||
if (initial_errtext)
|
||
goto next_try;
|
||
err = gpg_error_from_syserror ();
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!err && *pi->pin)
|
||
{
|
||
/* User wants a passphrase. */
|
||
*r_passphrase = xtrystrdup (pi->pin);
|
||
if (!*r_passphrase)
|
||
err = gpg_error_from_syserror ();
|
||
}
|
||
|
||
xfree (initial_errtext);
|
||
xfree (pi2);
|
||
xfree (pi);
|
||
return err;
|
||
}
|
||
|
||
|
||
|
||
/* Generate a new keypair according to the parameters given in
|
||
KEYPARAM. If CACHE_NONCE is given first try to lookup a passphrase
|
||
using the cache nonce. If NO_PROTECTION is true the key will not
|
||
be protected by a passphrase. If OVERRIDE_PASSPHRASE is true that
|
||
passphrase will be used for the new key. If TIMESTAMP is not zero
|
||
it will be recorded as creation date of the key (unless extended
|
||
format is disabled) . */
|
||
int
|
||
agent_genkey (ctrl_t ctrl, const char *cache_nonce, time_t timestamp,
|
||
const char *keyparam, size_t keyparamlen, int no_protection,
|
||
const char *override_passphrase, int preset, membuf_t *outbuf)
|
||
{
|
||
gcry_sexp_t s_keyparam, s_key, s_private, s_public;
|
||
char *passphrase_buffer = NULL;
|
||
const char *passphrase;
|
||
int rc;
|
||
size_t len;
|
||
char *buf;
|
||
|
||
rc = gcry_sexp_sscan (&s_keyparam, NULL, keyparam, keyparamlen);
|
||
if (rc)
|
||
{
|
||
log_error ("failed to convert keyparam: %s\n", gpg_strerror (rc));
|
||
return gpg_error (GPG_ERR_INV_DATA);
|
||
}
|
||
|
||
/* Get the passphrase now, cause key generation may take a while. */
|
||
if (override_passphrase)
|
||
passphrase = override_passphrase;
|
||
else if (no_protection || !cache_nonce)
|
||
passphrase = NULL;
|
||
else
|
||
{
|
||
passphrase_buffer = agent_get_cache (ctrl, cache_nonce, CACHE_MODE_NONCE);
|
||
passphrase = passphrase_buffer;
|
||
}
|
||
|
||
if (passphrase || no_protection)
|
||
;
|
||
else
|
||
{
|
||
rc = agent_ask_new_passphrase (ctrl,
|
||
L_("Please enter the passphrase to%0A"
|
||
"protect your new key"),
|
||
&passphrase_buffer);
|
||
if (rc)
|
||
{
|
||
gcry_sexp_release (s_keyparam);
|
||
return rc;
|
||
}
|
||
passphrase = passphrase_buffer;
|
||
}
|
||
|
||
rc = gcry_pk_genkey (&s_key, s_keyparam );
|
||
gcry_sexp_release (s_keyparam);
|
||
if (rc)
|
||
{
|
||
log_error ("key generation failed: %s\n", gpg_strerror (rc));
|
||
xfree (passphrase_buffer);
|
||
return rc;
|
||
}
|
||
|
||
/* break out the parts */
|
||
s_private = gcry_sexp_find_token (s_key, "private-key", 0);
|
||
if (!s_private)
|
||
{
|
||
log_error ("key generation failed: invalid return value\n");
|
||
gcry_sexp_release (s_key);
|
||
xfree (passphrase_buffer);
|
||
return gpg_error (GPG_ERR_INV_DATA);
|
||
}
|
||
s_public = gcry_sexp_find_token (s_key, "public-key", 0);
|
||
if (!s_public)
|
||
{
|
||
log_error ("key generation failed: invalid return value\n");
|
||
gcry_sexp_release (s_private);
|
||
gcry_sexp_release (s_key);
|
||
xfree (passphrase_buffer);
|
||
return gpg_error (GPG_ERR_INV_DATA);
|
||
}
|
||
gcry_sexp_release (s_key); s_key = NULL;
|
||
|
||
/* store the secret key */
|
||
if (DBG_CRYPTO)
|
||
log_debug ("storing private key\n");
|
||
rc = store_key (s_private, passphrase, 0, ctrl->s2k_count, timestamp);
|
||
if (!rc)
|
||
{
|
||
if (!cache_nonce)
|
||
{
|
||
char tmpbuf[12];
|
||
gcry_create_nonce (tmpbuf, 12);
|
||
cache_nonce = bin2hex (tmpbuf, 12, NULL);
|
||
}
|
||
if (cache_nonce
|
||
&& !no_protection
|
||
&& !agent_put_cache (ctrl, cache_nonce, CACHE_MODE_NONCE,
|
||
passphrase, ctrl->cache_ttl_opt_preset))
|
||
agent_write_status (ctrl, "CACHE_NONCE", cache_nonce, NULL);
|
||
if (preset && !no_protection)
|
||
{
|
||
unsigned char grip[20];
|
||
char hexgrip[40+1];
|
||
if (gcry_pk_get_keygrip (s_private, grip))
|
||
{
|
||
bin2hex(grip, 20, hexgrip);
|
||
rc = agent_put_cache (ctrl, hexgrip, CACHE_MODE_ANY, passphrase,
|
||
ctrl->cache_ttl_opt_preset);
|
||
}
|
||
}
|
||
}
|
||
xfree (passphrase_buffer);
|
||
passphrase_buffer = NULL;
|
||
passphrase = NULL;
|
||
gcry_sexp_release (s_private);
|
||
if (rc)
|
||
{
|
||
gcry_sexp_release (s_public);
|
||
return rc;
|
||
}
|
||
|
||
/* return the public key */
|
||
if (DBG_CRYPTO)
|
||
log_debug ("returning public key\n");
|
||
len = gcry_sexp_sprint (s_public, GCRYSEXP_FMT_CANON, NULL, 0);
|
||
log_assert (len);
|
||
buf = xtrymalloc (len);
|
||
if (!buf)
|
||
{
|
||
gpg_error_t tmperr = out_of_core ();
|
||
gcry_sexp_release (s_private);
|
||
gcry_sexp_release (s_public);
|
||
return tmperr;
|
||
}
|
||
len = gcry_sexp_sprint (s_public, GCRYSEXP_FMT_CANON, buf, len);
|
||
log_assert (len);
|
||
put_membuf (outbuf, buf, len);
|
||
gcry_sexp_release (s_public);
|
||
xfree (buf);
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
|
||
/* Apply a new passphrase to the key S_SKEY and store it. If
|
||
PASSPHRASE_ADDR and *PASSPHRASE_ADDR are not NULL, use that
|
||
passphrase. If PASSPHRASE_ADDR is not NULL store a newly entered
|
||
passphrase at that address. */
|
||
gpg_error_t
|
||
agent_protect_and_store (ctrl_t ctrl, gcry_sexp_t s_skey,
|
||
char **passphrase_addr)
|
||
{
|
||
gpg_error_t err;
|
||
|
||
if (passphrase_addr && *passphrase_addr)
|
||
{
|
||
/* Take an empty string as request not to protect the key. */
|
||
err = store_key (s_skey, **passphrase_addr? *passphrase_addr:NULL, 1,
|
||
ctrl->s2k_count, 0);
|
||
}
|
||
else
|
||
{
|
||
char *pass = NULL;
|
||
|
||
if (passphrase_addr)
|
||
{
|
||
xfree (*passphrase_addr);
|
||
*passphrase_addr = NULL;
|
||
}
|
||
err = agent_ask_new_passphrase (ctrl,
|
||
L_("Please enter the new passphrase"),
|
||
&pass);
|
||
if (!err)
|
||
err = store_key (s_skey, pass, 1, ctrl->s2k_count, 0);
|
||
if (!err && passphrase_addr)
|
||
*passphrase_addr = pass;
|
||
else
|
||
xfree (pass);
|
||
}
|
||
|
||
return err;
|
||
}
|