Imports github.com/pkg/errors golang.org/x/crypto/chacha20poly1305 golang.org/x/crypto/hkdf golang.org/x/crypto/scrypt Standard library imports bytes crypto/aes crypto/cipher crypto/ecdsa crypto/elliptic crypto/rand crypto/sha256 crypto/sha512 crypto/x509 encoding/asn1 encoding/base64 encoding/binary encoding/pem io io/ioutil math/big os regexp strings sync