auth: use raw binary data

1 files changed, 3 insertions, 9 deletions

diff --git a/pkg/server/module/auth.go b/pkg/server/module/auth.go
index f167874..d4bc8b3 100644
--- a/pkg/server/module/auth.go
+++ b/pkg/server/module/auth.go
@@ -3,7 +3,6 @@ package module
 import (
 	"crypto/md5"
 	"crypto/rand"
-	"encoding/hex"
 	"errors"
 	"fmt"
 	"io"
@@ -43,10 +42,7 @@ func (a *auth) generateChallenge() error {
 		return err
 	}
 
-	c := make([]byte, hex.EncodedLen(len(b)))
-	hex.Encode(c, b)
-
-	a.challenge.self = string(c)
+	a.challenge.self = string(b)
 
 	return nil
 }
@@ -59,13 +55,11 @@ func (a *auth) sendChallenge(q queue.Q) bool {
 
 func (a *auth) getHash(c string) string {
 	h := md5.New()
+
 	io.WriteString(h, a.secret)
 	io.WriteString(h, c)
 
-	b := make([]byte, hex.EncodedLen(h.Size()))
-	hex.Encode(b, h.Sum(nil))
-
-	return string(b)
+	return string(h.Sum(nil))
 }
 
 func (a *auth) sendHash(q queue.Q) bool {