wx-ding-aes/dist/aes.js

Wechat open platform, Enterprise wechat and DingTalk AES decode library.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * parser 模块，用于解析服务器发来的密文
 * @module parser
 */
const crypto_1 = require("crypto");
const pkcs = require("./pkcs7");
exports.encrypt = (data, encodingAESKey) => {
    const AESKey = Buffer.from(encodingAESKey, 'base64');
    const iv = AESKey.slice(0, 16);
    const cipher = crypto_1.createCipheriv('aes-256-cbc', AESKey, iv);
    cipher.setAutoPadding(false);
    return Buffer
        .concat([
        cipher.update(pkcs.encode(data)),
        cipher.final()
    ]).toString('base64');
};
exports.decrypt = (data, encodingAESKey) => {
    const AESKey = Buffer.from(encodingAESKey, 'base64');
    const iv = AESKey.slice(0, 16);
    const decipher = crypto_1.createDecipheriv('aes-256-cbc', AESKey, iv);
    decipher.setAutoPadding(false);
    return pkcs.decode(Buffer.concat([
        decipher.update(data, 'base64'),
        decipher.final()
    ]));
};