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g10: Guard code against errors.

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* g10/keygen.c (do_generate_keypair): Check for errors, in which case
'pri_psk' is NULL.

Fixes-commit: bf9d1248
Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2016-03-04 13:29:45 +01:00
parent 8daf9a027f
commit 40f6529cee
1 changed files with 8 additions and 7 deletions
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15
g10/keygen.c
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@ -4077,14 +4077,15 @@ do_generate_keypair (ctrl_t ctrl, struct para_data_s *para,
{ {
pri_psk = pub_root->next->pkt->pkt.public_key; pri_psk = pub_root->next->pkt->pkt.public_key;
assert (pri_psk); assert (pri_psk);
}
/* Make sure a few fields are correctly set up before going further. */ /* Make sure a few fields are correctly set up before going
pri_psk->flags.primary = 1; further. */
keyid_from_pk (pri_psk, NULL); pri_psk->flags.primary = 1;
/* We don't use pk_keyid to get keyid, because it also asserts that keyid_from_pk (pri_psk, NULL);
main_keyid is set! */ /* We don't use pk_keyid to get keyid, because it also asserts
keyid_copy (pri_psk->main_keyid, pri_psk->keyid); that main_keyid is set! */
keyid_copy (pri_psk->main_keyid, pri_psk->keyid);
}
if (!err && (revkey = get_parameter_revkey (para, pREVOKER))) if (!err && (revkey = get_parameter_revkey (para, pREVOKER)))
err = write_direct_sig (pub_root, pri_psk, revkey, timestamp, cache_nonce); err = write_direct_sig (pub_root, pri_psk, revkey, timestamp, cache_nonce);