return error if counter exceeds limit and seed value supplied
authorDr. Stephen Henson <steve@openssl.org>
Fri, 25 Nov 2011 16:03:42 +0000 (16:03 +0000)
committerDr. Stephen Henson <steve@openssl.org>
Fri, 25 Nov 2011 16:03:42 +0000 (16:03 +0000)
crypto/dsa/dsa_gen.c

index 3b49420..9e3e57a 100644 (file)
@@ -668,6 +668,12 @@ int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
                        /* step 14 */
                        if (counter >= (int)(4 * L)) break;
                        }
+               if (seed_in)
+                       {
+                       ok = 0;
+                       DSAerr(DSA_F_DSA_BUILTIN_PARAMGEN2, DSA_R_INVALID_PARAMETERS);
+                       goto err;
+                       }
                }
 end:
        if(!BN_GENCB_call(cb, 2, 1))