wbrawner/openssl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

PR: 2556 (partial)

Browse source 
Reported by: Daniel Marschall <daniel-marschall@viathinksoft.de>
Reviewed by: steve

Fix OID routines.

Check on encoding leading zero rejection should start at beginning of
encoding.

Allow for initial digit when testing when to use BIGNUMs which can increase
first value by 2 * 40.
This commit is contained in:
Dr. Stephen Henson 2011-07-14 12:01:53 +00:00
parent b79853c262
commit 9fe51d5f73
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
crypto/asn1/a_object.c
View file

@ -139,7 +139,7 @@ int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num)
ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_DIGIT);
goto err;
}
if (!use_bn && l >= (ULONG_MAX / 10L))
if (!use_bn && l >= ((ULONG_MAX - 80) / 10L))
{
use_bn = 1;
if (!bl)
@ -293,7 +293,7 @@ ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
/* Sanity check OID encoding: can't have leading 0x80 in
* subidentifiers, see: X.690 8.19.2
*/
for (i = 0, p = *pp + 1; i < len - 1; i++, p++)
for (i = 0, p = *pp; i < len; i++, p++)
{
if (*p == 0x80 && (!i || !(p[-1] & 0x80)))
{