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Code Activity

* app-p15.c (micardo_mse): New.

Browse source 
(do_sign): Call it.
* iso7816.c (iso7816_manage_security_env): Allow passing DATA as
NULL to indicate an empty Lc.
* tlv.c (find_tlv): Check that a found object fits into the
buffer.
(find_tlv_unchecked): New as replacement for the old non-checking
variant.
* app.c (select_application): Keep on using the non-checking
variant.
* app-openpgp.c (get_one_do, dump_all_do): Ditto.
This commit is contained in:
Werner Koch 2005-04-27 19:47:53 +00:00
parent f2fe118bfb
commit eb3f014b5d
7 changed files with 175 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

6
scd/app-openpgp.c
View file

@ -357,7 +357,7 @@ get_one_do (app_t app, int tag, unsigned char **result, size_t *nbytes,
{
const unsigned char *s;
s = find_tlv (buffer, buflen, tag, &valuelen);
s = find_tlv_unchecked (buffer, buflen, tag, &valuelen);
if (!s)
value = NULL; /* not found */
else if (valuelen > buflen - (s - buffer))
@ -433,8 +433,8 @@ dump_all_do (int slot)
if (j==i || data_objects[i].tag != data_objects[j].get_from)
continue;
value = find_tlv (buffer, buflen,
data_objects[j].tag, &valuelen);
value = find_tlv_unchecked (buffer, buflen,
data_objects[j].tag, &valuelen);
if (!value)
; /* not found */
else if (valuelen > buflen - (value - buffer))