aes.go

/*
 * MIT License
 *
 * Copyright (c) 2022 cloud-org Authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package tools

import (
	"encoding/base64"

	"github.com/forgoer/openssl"
)

type AESCrypto struct {
	Key []byte
}

func (a *AESCrypto) Encrypt(src []byte) (string, error) {
	dst, err := openssl.AesECBEncrypt(src, a.Key, openssl.PKCS7_PADDING)
	if err != nil {
		return "", err
	}

	return base64.StdEncoding.EncodeToString(dst), nil
}

func (a *AESCrypto) Decrypt(src string) (string, error) {
	b, err := base64.StdEncoding.DecodeString(src)
	if err != nil {
		return "", err
	}
	data, err := openssl.AesECBDecrypt(b, a.Key, openssl.PKCS7_PADDING)
	if err != nil {
		return "", err
	}

	return string(data), nil
}