site/user.go

package site

import (
	"crypto/hmac"
	"fmt"

	"golang.org/x/crypto/ripemd160"
)

func EncryptedUserToken(token string, key ...string) string {

	var token_key string = USER_TOKEN_KEY
	if len(key) > 0 {
		token_key = key[0]
	}

	h2 := hmac.New(ripemd160.New, []byte(token_key))

	h2.Write([]byte(token))

	hashBytes := h2.Sum(nil)
	hashString := fmt.Sprintf("%x", hashBytes)

	return hashString
}