Imports github.com/coredns/caddy github.com/coredns/coredns/core/dnsserver github.com/coredns/coredns/plugin github.com/coredns/coredns/plugin/pkg/log github.com/fatih/color github.com/miekg/dns golang.org/x/crypto/hkdf Standard library imports bytes context crypto/aes crypto/cipher crypto/ecdsa crypto/elliptic crypto/rand crypto/sha256 encoding/base32 encoding/base64 encoding/binary fmt io math/rand net time