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decrypt.js
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39 lines (37 loc) · 1.55 KB
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/* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
* This program are made available under the terms of the Apache License, Version 2.0
* which accompanies this distribution and is available at http://www.apache.org/licenses/LICENSE-2.0.html.*/
import decryptUtil from '@supermapgis/tile-decryptor';
/**
* @category Security
* @function decrypt
* @description 隧道解密ArrayBuffer数据。
* @param {Object} options - 参数。
* @param {ArrayBuffer} options.arrayBuffer - 解密数据，数据格式为ArrayBuffer。
* @param {string} options.key - 秘钥
* @param {string} options.algorithm - 加密算法， 可选值： "AES"、"AES/CTR"、"SM4"、"SM4/CTR"。
* @param {number} [options.decodeSize=256] - 需要解密的数据大小。
* @param {Array<number>} [options.ivKey] - 当algorithm为'AES'或者"AES/CTR", 默认值为：[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]；当algorithm为'SM4'或者"SM4/CTR", 默认值为：[48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 97, 98, 99, 100, 101, 102]。
* @returns {string} 解密后的数据。
* @usage
* ```
* // 浏览器
* <script type="text/javascript" src="{cdn}"></script>
* <script>
* const result = {namespace}.decrypt(options);
*
* </script>
*
* // ES6 Import
* import { decrypt } from '{npm}';
*
* const result = decrypt(options);
* ```
*/
const decrypt = (options) => {
const res = decryptUtil({ ...options });
const decoder = new TextDecoder();
const decodeStr = decoder.decode(new Uint8Array(res));
return decodeStr;
};
export { decrypt };