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security-and-privacy/gnupg
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* mainproc.c (proc_symkey_enc), seckey-cert.c (do_check): Check the S2K

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hash algorithm before we try to generate a passphrase using it.  This
prevents hitting BUG() when generating a passphrase using a hash that we
don't have.
This commit is contained in:
David Shaw 2004-06-27 18:26:49 +00:00
parent 7c90cacd33
commit eb5045d972
3 changed files with 20 additions and 0 deletions
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7
g10/ChangeLog
View File

@ -1,3 +1,10 @@
2004-06-27 David Shaw <dshaw@jabberwocky.com>
* mainproc.c (proc_symkey_enc), seckey-cert.c (do_check): Check
the S2K hash algorithm before we try to generate a passphrase
using it. This prevents hitting BUG() when generating a
passphrase using a hash that we don't have.
2004-06-23 David Shaw <dshaw@jabberwocky.com>
* keyedit.c (sign_uids): Properly handle remaking a self-sig on

7
g10/mainproc.c
View File

@ -304,6 +304,13 @@ proc_symkey_enc( CTX c, PACKET *pkt )
else
log_error(_("encrypted with unknown algorithm %d\n"), algo );
if(check_digest_algo(enc->s2k.hash_algo))
{
log_error(_("passphrase generated with unknown digest"
" algorithm %d\n"),enc->s2k.hash_algo);
s=NULL;
}
c->last_was_session_key = 2;
if(!s || opt.list_only)
goto leave;

6
g10/seckey-cert.c
View File

@ -65,6 +65,12 @@ do_check( PKT_secret_key *sk, const char *tryagain_text, int *canceled )
}
return G10ERR_CIPHER_ALGO;
}
if(check_digest_algo(sk->protect.s2k.hash_algo))
{
log_info(_("protection digest %d is not supported\n"),
sk->protect.s2k.hash_algo);
return G10ERR_DIGEST_ALGO;
}
keyid_from_sk( sk, keyid );
keyid[2] = keyid[3] = 0;
if( !sk->is_primary ) {