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agent: API change of agent_key_from_file.

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* agent/findkey.c (agent_key_from_file): Always return S-expression.
* agent/command.c (cmd_passwd): Distinguish by SHADOW_INFO.
(cmd_export_key): Likewise.  Free SHADOW_INFO.
(cmd_keytocard): Likewise.  Release S_SKEY.
* agent/pkdecrypt.c (agent_pkdecrypt): Likewise.
* agent/pksign.c (agent_pksign_do): Likewise.  Use the S-expression to
know the key type.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2014-03-04 11:54:59 +09:00
parent 57d26f39af
commit ac5a1a3ccb
4 changed files with 30 additions and 35 deletions
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21
agent/pksign.c
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@ -299,31 +299,20 @@ agent_pksign_do (ctrl_t ctrl, const char *cache_nonce,
goto leave;
}
if (!s_skey)
if (shadow_info)
{
/* Divert operation to the smartcard */
gcry_sexp_t s_pkey, l;
const char *name;
size_t len;
unsigned char *buf = NULL;
int key_type;
int is_RSA = 0;
int is_ECDSA = 0;
/* Check keytype by public key */
rc = agent_public_key_from_file (ctrl, ctrl->keygrip, &s_pkey);
if (rc)
{
log_error ("failed to read the public key\n");
goto leave;
}
l = gcry_sexp_cadr (s_pkey);
name = gcry_sexp_nth_data (l, 0, &len);
if (len == 3 && !memcmp (name, "rsa", 3))
key_type = agent_is_dsa_key (s_skey);
if (key_type == 0)
is_RSA = 1;
else if (len == 5 && !memcmp (name, "ecdsa", 5))
else if (key_type == GCRY_PK_ECDSA)
is_ECDSA = 1;
gcry_sexp_release (l);
gcry_sexp_release (s_pkey);
rc = divert_pksign (ctrl,
ctrl->digest.value,