+ struct items_data_st *pitems_data;
+ pitems_data = items_data;
+ pitem = item;
+ int data_buffer[(item_entry_count*2)+4]; /* 8 bytes per entry max */
+ int iosb[2];
+ int sys_time[2];
+ int *ptr;
+ int i, j ;
+ int tmp_length = 0;
+ int total_length = 0;
+
+ /* Setup itemlist for GETJPI */
+
+ while (pitems_data->length) {
+ pitem->length = pitems_data->length;
+ pitem->code = pitems_data->code;
+ pitem->buffer = &data_buffer[total_length];
+ pitem->retlen = 0;
+ /* total_length is in longwords */
+ total_length += pitems_data->length/4;
+ pitems_data++;
+ pitem ++;
+ }
+ pitem->length = pitem->code = 0;
+
+ /* Fill data_buffer with various info bits from this process */
+ /* and twist that data to seed the SSL random number init */
+
+ if (sys$getjpiw(EFN$C_ENF, NULL, NULL, item, &iosb, 0, 0) == SS$_NORMAL) {
+ for (i = 0; i < total_length; i++) {
+ sys$gettim((struct _generic_64 *)&sys_time[0]);
+ srand(sys_time[0] * data_buffer[0] * data_buffer[1] + i);
+
+ if (i == (total_length - 1)) { /* for JPI$_FINALEXC */
+ ptr = &data_buffer[i];
+ for (j = 0; j < 4; j++) {
+ data_buffer[i + j] = ptr[j];
+ /* OK to use rand() just to scramble the seed */
+ data_buffer[i + j] ^= (sys_time[0] ^ rand());
+ tmp_length++;
+ }
+ } else {
+ /* OK to use rand() just to scramble the seed */
+ data_buffer[i] ^= (sys_time[0] ^ rand());
+ }
+ }
+
+ total_length += (tmp_length - 1);
+
+ /* size of seed is total_length*4 bytes (64bytes) */
+ RAND_add((PTR_T) data_buffer, total_length*4, total_length * 2);
+ } else {
+ return 0;
+ }
+
+ return 1;
+}