move nonce generation to separate file

2016-08-01 16:27:38 +02:00
parent 8a9f5f9833
commit 8a08171322
2 changed files with 14 additions and 8 deletions
--- a/crypto/nonce.go
+++ b/crypto/nonce.go
@@ -0,0 +1,14 @@
+package crypto
+
+import (
+	"encoding/binary"
+
+	"github.com/lucas-clemente/quic-go/protocol"
+)
+
+func makeNonce(iv []byte, packetNumber protocol.PacketNumber) []byte {
+	res := make([]byte, 12)
+	copy(res[0:4], iv)
+	binary.LittleEndian.PutUint64(res[4:12], uint64(packetNumber))
+	return res
+}