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gpg: Make decryption with the OpenPGP card work.

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* scd/app-common.h (APP_DECIPHER_INFO_NOPAD): New.
* scd/app-openpgp.c (do_decipher): Add arg R_INFO.
* scd/app-nks.c (do_decipher): Add arg R_INFO as a dummy.
* scd/app.c (app_decipher): Add arg R_INFO.
* scd/command.c (cmd_pkdecrypt): Print status line "PADDING".
* agent/call-scd.c (padding_info_cb): New.
(agent_card_pkdecrypt): Add arg R_PADDING.
* agent/divert-scd.c (divert_pkdecrypt): Ditto.
* agent/pkdecrypt.c (agent_pkdecrypt): Ditto.
* agent/command.c (cmd_pkdecrypt):  Print status line "PADDING".
* g10/call-agent.c (padding_info_cb): New.
(agent_pkdecrypt): Add arg R_PADDING.
* g10/pubkey-enc.c (get_it): Use padding info.
--

Decryption using a card never worked in gpg 2.1 because the
information whether the pkcs#1 padding needs to be removed was not
available.  Gpg < 2.1 too this info from the secret sub key but that
has gone in 2.1.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2013-08-26 17:29:54 +02:00
parent 04e2c83f18
commit 780ba32336
16 changed files with 134 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

12
agent/command.c
View file

@ -865,6 +865,7 @@ cmd_pkdecrypt (assuan_context_t ctx, char *line)
unsigned char *value;
size_t valuelen;
membuf_t outbuf;
int padding;
(void)line;
@ -879,12 +880,19 @@ cmd_pkdecrypt (assuan_context_t ctx, char *line)
init_membuf (&outbuf, 512);
rc = agent_pkdecrypt (ctrl, ctrl->server_local->keydesc,
value, valuelen, &outbuf);
value, valuelen, &outbuf, &padding);
xfree (value);
if (rc)
clear_outbuf (&outbuf);
else
rc = write_and_clear_outbuf (ctx, &outbuf);
{
if (padding != -1)
rc = print_assuan_status (ctx, "PADDING", "%d", padding);
else
rc = 0;
if (!rc)
rc = write_and_clear_outbuf (ctx, &outbuf);
}
xfree (ctrl->server_local->keydesc);
ctrl->server_local->keydesc = NULL;
return leave_cmd (ctx, rc);