Imports github.com/hashicorp/golang-lru github.com/keybase/client/go/chat/utils github.com/keybase/client/go/kbcrypto github.com/keybase/client/go/logger github.com/keybase/client/go/msgpack github.com/keybase/go-crypto/ed25519 golang.org/x/crypto/nacl/secretbox Standard library imports bytes context crypto/sha512 encoding/binary fmt io