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scd: Implement direct access by KEYGRIP for GETATTR and READKEY.

Browse source 
* scd/app-openpgp.c (do_readkey): Handle KEYGRIP access.
* scd/command.c (do_readkey): New.
(cmd_readkey): Use do_readkey supporting KEYGRIP access.
(cmd_getattr): Supporting KEYGRIP access.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-01-10 15:58:49 +09:00
parent 63bda3aad8
commit 0cfded4bb1
2 changed files with 127 additions and 58 deletions
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16
scd/app-openpgp.c
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@ -1920,7 +1920,21 @@ do_readkey (app_t app, ctrl_t ctrl, const char *keyid, unsigned int flags,
int keyno;
unsigned char *buf;
if (!strcmp (keyid, "OPENPGP.1"))
if (strlen (keyid) == 40)
{
const unsigned char *keygrip_str;
for (keyno = 0; keyno < 3; keyno++)
{
keygrip_str = app->app_local->pk[keyno].keygrip_str;
if (!strncmp (keygrip_str, keyid, 40))
break;
}
if (keyno >= 3)
return gpg_error (GPG_ERR_INV_ID);
}
else if (!strcmp (keyid, "OPENPGP.1"))
keyno = 0;
else if (!strcmp (keyid, "OPENPGP.2"))
keyno = 1;