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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

6
g10/pubkey-enc.c
View file

@ -146,7 +146,7 @@ get_it (PKT_pubkey_enc *enc, DEK *dek, PKT_public_key *sk, u32 *keyid)
unsigned int n;
size_t nframe;
u16 csum, csum2;
int card = 0;
int padding;
gcry_sexp_t s_data;
char *desc;
char *keygrip;
@ -203,7 +203,7 @@ get_it (PKT_pubkey_enc *enc, DEK *dek, PKT_public_key *sk, u32 *keyid)
desc = gpg_format_keydesc (sk, 0, 1);
err = agent_pkdecrypt (NULL, keygrip,
desc, sk->keyid, sk->main_keyid, sk->pubkey_algo,
s_data, &frame, &nframe);
s_data, &frame, &nframe, &padding);
xfree (desc);
gcry_sexp_release (s_data);
if (err)
@ -270,7 +270,7 @@ get_it (PKT_pubkey_enc *enc, DEK *dek, PKT_public_key *sk, u32 *keyid)
}
else
{
if (!card)
if (padding)
{
if (n + 7 > nframe)
{