// Copyright 2021 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package object

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

func getSha256(data []byte) []byte {
	hash := sha256.Sum256(data)
	return hash[:]
}

func getSha256HexDigest(s string) string {
	b := getSha256([]byte(s))
	res := hex.EncodeToString(b)
	return res
}

func getSaltedPassword(password string, salt string) string {
	hash1 := getSha256HexDigest(password)
	res := getSha256HexDigest(hash1 + salt)
	return res
}