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path: root/file/names.go
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package file

import (
	"errors"
	"path/filepath"
)

var ErrNames = errors.New("please use naming scheme of keyname.pub and keyname.sec")

func Names(pubFile, encFile string) error {
	pubFile = filepath.Base(pubFile)
	encFile = filepath.Base(encFile)
	pubExt := filepath.Ext(pubFile)
	encExt := filepath.Ext(encFile)
	if pubExt != ".pub" || encExt != ".sec" || pubFile[:len(pubExt)-1] != encFile[:len(encExt)-1] {
		return ErrNames
	}
	return nil
}

func PubName(encFile string) string {
	ext := filepath.Ext(encFile)
	return filepath.Base(encFile[:len(ext)-1] + ".pub")
}