[v9_9] testcrypto.sh in system tests

3714.  [test]          System tests that need to test for cryptography
                       support before running can now use a common
                       "testcrypto.sh" script to do so. [RT #35213]

bin/tests/system/dnssec/tests.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2004-2013  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004-2014  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 2000-2002  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -20,8 +20,6 @@
 SYSTEMTESTTOP=..
 . $SYSTEMTESTTOP/conf.sh
 
-RANDFILE=random.data
-
 status=0
 n=1
 
@@ -1728,7 +1726,7 @@ echo "I:checking that the NSEC3 record for the apex is properly signed when a DN
 ret=0
 (
 cd ns3
-kskname=`$KEYGEN -q -3 -r ../random.data -fk update-nsec3.example`
+kskname=`$KEYGEN -q -3 -r $RANDFILE -fk update-nsec3.example`
 (
 echo zone update-nsec3.example
 echo server 10.53.0.3 5300
@@ -2102,7 +2100,6 @@ ret=0
 $RNDC -c ../common/rndc.conf -s 10.53.0.3 -p 9953 freeze expiring.example 2>&1 | sed 's/^/I:ns3 /'
 (
 cd ns3
-RANDFILE=../random.data
 for file in K*.moved; do
   mv $file `basename $file .moved`
 done