gotilty / gotil

package internal

import (

	"crypto/md5"

	"fmt"

	"github.com/gotilty/gotil/internal/errs"

)

//MD5 returns the MD5 checksum of the data.

//Just works with all primitive types.

//If given parameter is different type instead of string, firstly, it will convert the given parameter to string with gotil.ToString()

func Md5(a interface{}) (string, error) {

	if s, err := ToString(a); err == nil {

		return md5String(s)

	} else {

		return "", err

	}

}

func md5String(s string) (string, error) {

	if s == "" {

		return "", errs.NilReferenceTypeError()

	}

	data := []byte(s)

	return fmt.Sprintf("%x", md5.Sum(data)), nil

}