Imports github.com/pkg/errors github.com/rc452860/vnet/common/log github.com/rc452860/vnet/common/pool github.com/rc452860/vnet/network/conn golang.org/x/crypto/chacha20poly1305 golang.org/x/crypto/hkdf Standard library imports bytes crypto/aes crypto/cipher crypto/md5 crypto/rand crypto/sha1 io net sync