b.AddBytes([]byte(label))
	})
	hkdfLabel.AddUint8LengthPrefixed(func(b *cryptobyte.Builder) {
		b.AddBytes(context)
	})
	hkdfLabelBytes, err := hkdfLabel.Bytes()
	if err != nil {
		// Rather than calling BytesOrPanic, we explicitly handle this error, in
		// order to provide a reasonable error message. It should be basically
		// impossible for this to panic, and routing errors back through the