remove unnecessary memory allocation in vmess

2016-01-12 13:39:17 +01:00 · 2016-01-12 13:39:17 +01:00 · 7881330644
parent f7a152b871
commit 7881330644
1 changed files with 3 additions and 1 deletions
--- a/proxy/vmess/protocol/vmess.go
+++ b/proxy/vmess/protocol/vmess.go
@ -180,7 +180,9 @@ func (this *VMessRequest) ToBytes(timestampGenerator RandomTimestampGenerator, b
 	idHash := IDHash(this.User.AnyValidID().Bytes())
 	idHash.Write(timestamp.Bytes())

-	buffer.Append(idHash.Sum(nil))
+	hashStart := buffer.Len()
+	buffer.Slice(0, hashStart+16)
+	idHash.Sum(buffer.Value[hashStart:hashStart])

 	encryptionBegin := buffer.Len()