Imports github.com/keybase/client/go/chat/signencrypt github.com/keybase/client/go/kbcrypto github.com/keybase/client/go/libkb github.com/keybase/client/go/msgpack github.com/keybase/client/go/protocol/keybase1 github.com/keybase/go-crypto/ed25519 Standard library imports crypto/sha256 encoding/base64 encoding/hex fmt sync