security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2025-01-10 13:04:23 +01:00
Code Activity

* parse-packet.c (parse_key): Allow to parse the gnu-divert-to-s2k

Browse Source 
mode.
This commit is contained in:
Werner Koch 2003-07-28 18:31:28 +00:00
parent 1ddb705ee4
commit bf244e9aeb
3 changed files with 29 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
g10/ChangeLog
View File

@ -1,3 +1,8 @@
2003-07-28 Werner Koch <wk@gnupg.org>
* parse-packet.c (parse_key): Allow to parse the gnu-divert-to-s2k
mode.
2003-07-27 David Shaw <dshaw@jabberwocky.com>
* packet.h, sig-check.c (signature_check2, do_check,

2
g10/keyid.c
View File

@ -60,6 +60,8 @@ do_fingerprint_md( PKT_public_key *pk )
int npkey = pubkey_get_npkey( pk->pubkey_algo );
md = md_open( pk->version < 4 ? DIGEST_ALGO_RMD160 : DIGEST_ALGO_SHA1, 0);
md_start_debug (md,"keyid");
#warning fffff
n = pk->version < 4 ? 8 : 6;
for(i=0; i < npkey; i++ ) {
nb[i] = mpi_get_nbits(pk->pkey[i]);

24
g10/parse-packet.c
View File

@ -1559,6 +1559,7 @@ parse_key( IOBUF inp, int pkttype, unsigned long pktlen,
if( pkttype == PKT_SECRET_KEY || pkttype == PKT_SECRET_SUBKEY ) {
PKT_secret_key *sk = pkt->pkt.secret_key;
byte temp[16];
size_t snlen = 0;
if( !npkey ) {
sk->skey[0] = mpi_set_opaque( NULL,
@ -1631,6 +1632,8 @@ parse_key( IOBUF inp, int pkttype, unsigned long pktlen,
break;
case 1001: if( list_mode ) printf( "\tgnu-dummy S2K" );
break;
case 1002: if (list_mode) printf("\tgnu-divert-to-card S2K");
break;
default:
if( list_mode )
printf( "\tunknown %sS2K %d\n",
@ -1666,6 +1669,19 @@ parse_key( IOBUF inp, int pkttype, unsigned long pktlen,
printf("\tprotect count: %lu\n",
(ulong)sk->protect.s2k.count);
}
else if( sk->protect.s2k.mode == 1002 ) {
/* Read the serial number. */
if (pktlen < 1) {
rc = G10ERR_INVALID_PACKET;
goto leave;
}
snlen = iobuf_get (inp);
pktlen--;
if (pktlen < snlen || snlen == -1) {
rc = G10ERR_INVALID_PACKET;
goto leave;
}
}
}
/* Note that a sk->protect.algo > 110 is illegal, but I'm
not erroring on it here as otherwise there would be no
@ -1695,6 +1711,8 @@ parse_key( IOBUF inp, int pkttype, unsigned long pktlen,
}
if( sk->protect.s2k.mode == 1001 )
sk->protect.ivlen = 0;
else if( sk->protect.s2k.mode == 1002 )
sk->protect.ivlen = snlen < 16? snlen : 16;
if( pktlen < sk->protect.ivlen ) {
rc = G10ERR_INVALID_PACKET;
@ -1703,7 +1721,8 @@ parse_key( IOBUF inp, int pkttype, unsigned long pktlen,
for(i=0; i < sk->protect.ivlen && pktlen; i++, pktlen-- )
temp[i] = iobuf_get_noeof(inp);
if( list_mode ) {
printf( "\tprotect IV: ");
printf( sk->protect.s2k.mode == 1002? "\tserial-number: "
: "\tprotect IV: ");
for(i=0; i < sk->protect.ivlen; i++ )
printf(" %02x", temp[i] );
putchar('\n');
@ -1716,7 +1735,8 @@ parse_key( IOBUF inp, int pkttype, unsigned long pktlen,
* If the user is so careless, not to protect his secret key,
* we can assume, that he operates an open system :=(.
* So we put the key into secure memory when we unprotect it. */
if( sk->protect.s2k.mode == 1001 ) {
if( sk->protect.s2k.mode == 1001
|| sk->protect.s2k.mode == 1002 ) {
/* better set some dummy stuff here */
sk->skey[npkey] = mpi_set_opaque(NULL, m_strdup("dummydata"), 10);
pktlen = 0;