ldns/patches/ldns-1.6.16-dsa-key-failures.patch

   1 diff -up ldns-1.6.17/keys.c.dsa ldns-1.6.17/keys.c
   2 --- ldns-1.6.17/keys.c.dsa      2014-01-10 22:04:41.000000000 +0100
   3 +++ ldns-1.6.17/keys.c  2014-03-18 17:54:34.751742493 +0100
   4 @@ -1324,7 +1324,6 @@ ldns_key_dsa2bin(unsigned char *data, DS
   5         /* See RFC2536 */
   6         *size = (uint16_t)BN_num_bytes(k->p);
   7         T = (*size - 64) / 8;
   8 -       memcpy(data, &T, 1);
   9
  10         if (T > 8) {
  11  #ifdef STDERR_MSGS
  12 @@ -1335,12 +1334,13 @@ ldns_key_dsa2bin(unsigned char *data, DS
  13         }
  14
  15         /* size = 64 + (T * 8); */
  16 +       memset(data, 0, 21 + *size * 3);
  17         data[0] = (unsigned char)T;
  18         BN_bn2bin(k->q, data + 1 );             /* 20 octects */
  19         BN_bn2bin(k->p, data + 21 );            /* offset octects */
  20 -       BN_bn2bin(k->g, data + 21 + *size);     /* offset octets */
  21 -       BN_bn2bin(k->pub_key, data + 21 + *size + *size); /* offset octets */
  22 -       *size = 21 + (*size * 3);
  23 +       BN_bn2bin(k->g, data + 21 + *size * 2 - BN_num_bytes(k->g));
  24 +       BN_bn2bin(k->pub_key,data + 21 + *size * 3 - BN_num_bytes(k->pub_key));
  25 +       *size = 21 + *size * 3;
  26         return true;
  27  }
  28