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>

对称加密-AES-2026-08-24/1. js环境实现aes加解密.js

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+var crypro_js = require("crypto-js");
+
+
+var source_data = "你好，世界！"
+var aes_key = "1234567890abcdef"
+var iv = "abcdef1234567890";
+
+
+var byte_iv = crypro_js.enc.Utf8.parse(iv);
+var key = crypro_js.enc.Utf8.parse(aes_key);
+var data = crypro_js.enc.Utf8.parse(source_data);
+
+function aes_ecb_encrypt() {
+    var encrypted = crypro_js.AES.encrypt(data, key, {
+        mode: crypro_js.mode.ECB, // 工作模式
+        padding: crypro_js.pad.Pkcs7 // 填充模式
+    })
+    return btoa(encrypted.toString()); // base64 返回
+
+}
+
+function aes_ecb_decrypt() {
+    var encrypt_data = atob(aes_ecb_encrypt());
+
+    var decrypted = crypro_js.AES.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("密文结果: ", aes_ecb_encrypt())
+console.log("明文结果: ", aes_ecb_decrypt())
+
+function aes_cbc_encrypt() {
+
+    var encrypted = crypro_js.AES.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 btoa(encrypted.toString());
+
+}
+
+function aes_cbc_decrypt() {
+    var encrypt_data = atob(aes_cbc_encrypt());
+
+    var decrypted = crypro_js.AES.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("CBC 密文结果: ", aes_cbc_encrypt());
+console.log("CBC 明文结果: ", aes_cbc_decrypt());