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* keybox-search.c (blob_cmp_fpr): New. 

(has_fingerprint): Implemented;
This commit is contained in:
Werner Koch 2002-01-15 13:02:25 +00:00
parent a6a2595dba
commit 9dd0040085
2 changed files with 38 additions and 1 deletions
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5
kbx/ChangeLog
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@ -1,3 +1,8 @@
2002-01-15 Werner Koch <wk@gnupg.org>
* keybox-search.c (blob_cmp_fpr): New.
(has_fingerprint): Implemented;
2001-12-20 Werner Koch <wk@gnupg.org>
* keybox-blob.c (_keybox_create_x509_blob): Skip the leading

34
kbx/keybox-search.c
View File

@ -105,6 +105,38 @@ blob_cmp_sn (KEYBOXBLOB blob, const unsigned char *sn, int snlen)
}
static int
blob_cmp_fpr (KEYBOXBLOB blob, const unsigned char *fpr)
{
const unsigned char *buffer;
size_t length;
size_t pos, off;
size_t nkeys, keyinfolen;
int idx;
buffer = _keybox_get_blob_image (blob, &length);
if (length < 40)
return 0; /* blob too short */
/*keys*/
nkeys = get16 (buffer + 16);
keyinfolen = get16 (buffer + 18 );
if (keyinfolen < 28)
return 0; /* invalid blob */
pos = 20;
if (pos + keyinfolen*nkeys > length)
return 0; /* out of bounds */
for (idx=0; idx < nkeys; idx++)
{
off = pos + idx*keyinfolen;
if (!memcmp (buffer + off, fpr, 20))
return 1; /* found */
}
return 0; /* not found */
}
static int
blob_cmp_name (KEYBOXBLOB blob, int idx, const char *name, size_t namelen)
{
@ -267,7 +299,7 @@ has_long_kid (KEYBOXBLOB blob, u32 *kid)
static int
has_fingerprint (KEYBOXBLOB blob, const unsigned char *fpr)
{
return 0;
return blob_cmp_fpr (blob, fpr);
}