Imports github.com/awnumar/memguard github.com/btcsuite/golangcrypto/blowfish github.com/ethereum/go-ethereum/common github.com/ethereum/go-ethereum/crypto golang.org/x/crypto/scrypt Standard library imports crypto/aes crypto/cipher crypto/rand crypto/rsa crypto/sha256 crypto/x509 encoding/base64 encoding/hex encoding/pem errors fmt io strings