common/crypto.go

package common

import (
	"crypto/hmac"
	"crypto/sha256"
	"encoding/hex"

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

func GenerateHMACWithKey(key []byte, data string) string {
	h := hmac.New(sha256.New, key)
	h.Write([]byte(data))
	return hex.EncodeToString(h.Sum(nil))
}

func GenerateHMAC(data string) string {
	h := hmac.New(sha256.New, []byte(CryptoSecret))
	h.Write([]byte(data))
	return hex.EncodeToString(h.Sum(nil))
}

func Password2Hash(password string) (string, error) {
	passwordBytes := []byte(password)
	hashedPassword, err := bcrypt.GenerateFromPassword(passwordBytes, bcrypt.DefaultCost)
	return string(hashedPassword), err
}

func ValidatePasswordAndHash(password string, hash string) bool {
	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
	return err == nil
}