package utl

import (
	"crypto/hmac"
	"crypto/md5"
	"crypto/sha1"
	"crypto/sha256"
	"encoding/hex"
)

var (
	hmac256key = []byte("kettle-hmac-key@2021#gl")
)

func Md5(text string) string {
	h := md5.Sum([]byte(text))
	return hex.EncodeToString(h[:])
}

func Sha1(text string) string {
	h := sha1.Sum([]byte(text))
	return hex.EncodeToString(h[:])
}

func Sha256(text string) string {
	h := sha256.Sum256([]byte(text))
	return hex.EncodeToString(h[:])
}

func Hmac256(text string) string {
	h := hmac.New(sha256.New, hmac256key)
	h.Write([]byte(text))
	return hex.EncodeToString(h.Sum(nil))
}