Print base16 of root hash instead of base64.

1 files changed, 4 insertions, 4 deletions

diff --git a/tools/check-sth.py b/tools/check-sth.py
index da52575..507c447 100755
--- a/tools/check-sth.py
+++ b/tools/check-sth.py
@@ -9,6 +9,7 @@ import argparse
 import json
 import errno
 import shutil
+import base64
 from datetime import datetime, timedelta, tzinfo
 from certtools import get_sth
 
@@ -68,13 +69,12 @@ class UTC(tzinfo):
 def check_age(sth):
     now = datetime.now(UTC())
     sth_time = datetime.fromtimestamp(sth['timestamp'] / 1000, UTC())
+    roothash = base64.b16encode(base64.decodestring(sth['sha256_root_hash']))
     if now > sth_time + timedelta(0, 6 * 3600):
-        print "CRITICAL: %s is older than 6h: %s UTC" % \
-          (sth['sha256_root_hash'], sth_time)
+        print "CRITICAL: %s is older than 6h: %s UTC" % (roothash, sth_time)
         sys.exit(NAGIOS_CRIT)
     if now > sth_time + timedelta(0, 2 * 3600):
-        print "WARNING: %s is older than 2h: %s UTC" % \
-          (sth['sha256_root_hash'], sth_time)
+        print "WARNING: %s is older than 2h: %s UTC" % (roothash, sth_time)
         sys.exit(NAGIOS_WARN)
 
 def check_treesize(cur, prev):