Initialize encryption and JavaScript reverse-engineering study repository

Document the project structure and setup while excluding local dependencies and IDE settings.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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2026-10-09 23:25:05 +08:00
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var crypro_js = require("crypto-js");
var source_data = "你好,世界!"
var des_key = "12345678"
var iv = "12345678";
var byte_iv = crypro_js.enc.Utf8.parse(iv);
var key = crypro_js.enc.Utf8.parse(des_key);
var data = crypro_js.enc.Utf8.parse(source_data);
function des_ecb_encrypt() {
// 进行加密
/*
* 加密操作
* des对称加密,需要三个形参
* 1. 明文字节
* 2. 密钥字节
* 3. 配置对象
* (1) mode 工作模式 ECB, CBC, CFB, OFB, CTR
* (2) padding 填充模式, Pkcs7,
*
**/
var encrypted = crypro_js.DES.encrypt(data, key, {
mode: crypro_js.mode.ECB, // 工作模式
padding: crypro_js.pad.Pkcs7 // 填充模式
})
return encrypted.toString();
}
function des_ecb_decrypt() {
var encrypt_data = des_ecb_encrypt();
var decrypted = crypro_js.DES.decrypt(encrypt_data, key, {
mode: crypro_js.mode.ECB, // 工作模式
padding: crypro_js.pad.Pkcs7 // 填充模式
})
return decrypted.toString(crypro_js.enc.Utf8);
}
// console.log(des_ecb_encrypt())
// console.log(des_ecb_decrypt())
function des_cbc_encrypt() {
var encrypted = crypro_js.DES.encrypt(data, key, {
iv: byte_iv,
mode: crypro_js.mode.CBC, // 工作模式
padding: crypro_js.pad.Pkcs7 // 填充模式
})
return encrypted.toString();
}
function des_cbc_decrypt() {
var encrypt_data = des_cbc_encrypt();
var decrypted = crypro_js.DES.decrypt(encrypt_data, key, {
iv: byte_iv,
mode: crypro_js.mode.CBC, // 工作模式
padding: crypro_js.pad.Pkcs7 // 填充模式
})
return decrypted.toString(crypro_js.enc.Utf8);
}
console.log(des_cbc_decrypt());