diff --git a/backend/backend.go b/backend/backend.go
index e6f0ea5..f2e5792 100644
--- a/backend/backend.go
+++ b/backend/backend.go
@@ -20,7 +20,7 @@ const (
 	TableCENReport = "CENReport"
 
 	// Default Conn String 
-	DefaultConnString = "[change this to your server]"
+	DefaultConnString = "root:2Nemesis234@/conn"
 )
 
 // Backend holds a client to connect  to the BigTable backend
@@ -120,7 +120,6 @@ func (backend *Backend) ProcessCENReport(cenReport *CENReport) (err error) {
 		return err
 	}
 
-	curTS := uint64(time.Now().Unix())
 	reportID := fmt.Sprintf("%x", Computehash(reportData))
 	cenKeys := strings.Split(cenReport.CENKeys, ",")
 	// store the cenreportID in cenkeys table, one row per key
@@ -209,7 +208,7 @@ func Computehash(data ...[]byte) []byte {
 }
 
 func makeCENKeyString() string {
-	key := make([]byte, 16)
+	key := make([]byte, 32)
 	rand.Read(key)
 	encoded := fmt.Sprintf("%x", key)
 	return encoded
diff --git a/backend/cen2.sql b/backend/cen2.sql
new file mode 100644
index 0000000..257bf6e
--- /dev/null
+++ b/backend/cen2.sql
@@ -0,0 +1,23 @@
+DROP TABLE IF EXISTS CENKeys;
+DROP TABLE IF EXISTS CENReport;
+
+CREATE TABLE `CENKeys` (
+   `cenKey`   varchar(64) DEFAULT "", 
+   `reportID` varchar(64) DEFAULT "",
+   `reportTS` int,
+   PRIMARY KEY (`cenKey`, `reportID`),
+   KEY (`reportID`),
+   KEY (`reportTS`),
+   KEY (`cenKey`)
+);
+
+CREATE TABLE `CENReport` (
+   `reportID` varchar(64) DEFAULT "",
+   `report`     varchar(4000) DEFAULT "",
+   `reportMimeType` varchar(64) DEFAULT "",
+   `reportTS` int,
+   PRIMARY KEY (`reportID`),
+   KEY (`reportTS`)
+);
+
+