Use better randomness

1 files changed, 6 insertions, 2 deletions

diff --git a/ssha.go b/ssha.go
index f1c5a8b..134c058 100644
--- a/ssha.go
+++ b/ssha.go
@@ -1,11 +1,12 @@
 package main
 
 import (
+	"log"
 	"bytes"
 	"crypto/sha1"
 	"encoding/base64"
 	"fmt"
-	"math/rand"
+	"crypto/rand"
 )
 
 // Encode encodes the []byte of raw password
@@ -38,7 +39,10 @@ func SSHAMatches(encodedPassPhrase string, rawPassPhrase []byte) bool {
 // makeSalt make a 32 byte array containing random bytes.
 func makeSalt() []byte {
 	sbytes := make([]byte, 32)
-	rand.Read(sbytes)
+	_, err := rand.Read(sbytes)
+	if err != nil {
+		log.Panicf("Could not read random bytes: %s", err)
+	}
 	return sbytes
 }