dnscrypt

const (
	// NonceSize is what the name suggests
	NonceSize = 24
	// TagSize is what the name suggests
	TagSize = 16
	// HalfNonceSize is half of NonceSize
	HalfNonceSize = NonceSize / 2
	// PublicKeySize is the size of a public key
	PublicKeySize = 32
	// QueryOverhead is the amount of request overhead due to client-magic, public key, nonce, and tag
	QueryOverhead = xdns.ClientMagicLen + PublicKeySize + HalfNonceSize + TagSize
	// ResponseOverhead is the amount of answer overhead due to server-magic, nonce, and tag
	ResponseOverhead = len(xdns.ServerMagic) + NonceSize + TagSize
)

const (
	ActionNone     = iota // No action has been taken
	ActionContinue        // Continue with the request
	ActionDrop            // Drop the request
	ActionSynth           // Use synthesized response
)

const (
	ReturnCodePass = iota
	ReturnCodeSynth
)