diff --git a/src/komodo_utils.h b/src/komodo_utils.h
index dea314ca9..68e80d0c2 100644
--- a/src/komodo_utils.h
+++ b/src/komodo_utils.h
@@ -1056,16 +1056,49 @@ double OS_milliseconds()
     return(millis);
 }
 
+void OS_portable_randombytes(unsigned char *x,long xlen)
+{
+    static int fd = -1;
+    int32_t i;
+    if (fd == -1) {
+        for (;;) {
+            fd = open("/dev/urandom",O_RDONLY);
+            if (fd != -1) break;
+            sleep(1);
+        }
+    }
+    while (xlen > 0) {
+        if (xlen < 1048576) i = (int32_t)xlen; else i = 1048576;
+        i = (int32_t)read(fd,x,i);
+        if (i < 1) {
+            sleep(1);
+            continue;
+        }
+        if ( 0 )
+        {
+            int32_t j;
+            for (j=0; j<i; j++)
+                printf("%02x ",x[j]);
+            printf("-> %p\n",x);
+        }
+        x += i;
+        xlen -= i;
+    }
+}
+
 void komodo_configfile(char *symbol,uint16_t port)
 {
-    FILE *fp; long long buf2[8]; char fname[512],buf[128],line[4096],*str,*rpcuser,*rpcpassword; uint32_t crc,r,r2;
+    FILE *fp; uint8_t buf2[512]; char fname[512],buf[128],line[4096],*str,*rpcuser,*rpcpassword; uint32_t crc,r,r2;
     r = (uint32_t)time(NULL);
     r2 = OS_milliseconds();
     memcpy(buf,&r,sizeof(r));
     memcpy(&buf[sizeof(r)],&r2,sizeof(r2));
     memcpy(&buf[sizeof(r)+sizeof(r2)],symbol,strlen(symbol));
     crc = calc_crc32(0,(uint8_t *)buf,(int32_t)(sizeof(r)+sizeof(r2)+strlen(symbol)));
-    vcalc_sha256(line,(uint8_t *)buf2,(uint8_t *)buf,(int32_t)(sizeof(r)+sizeof(r2)+strlen(symbol)));
+    OS_randombytes(buf2,sizeof(buf2));
+    for (i=0; i<sizeof(buf2); i++)
+        sprintf(&line[i*2],"%02x",buf2[i]);
+    line[i*2] = 0;
     sprintf(buf,"%s.conf",symbol);
     BITCOIND_PORT = port;
 #ifdef WIN32