新增文件

common/util/cipher.js

@@ -0,0 +1,84 @@
+import { encrypt, decrypt } from 'crypto-js/aes';
+import { parse as parseUtf8 } from 'crypto-js/enc-utf8';
+import pkcs7 from 'crypto-js/pad-pkcs7';
+import md5 from 'crypto-js/md5';
+import UTF8 from 'crypto-js/enc-utf8';
+import Base64 from 'crypto-js/enc-base64';
+import * as CryptoJS from 'crypto-js';
+
+class AesEncryption {
+  constructor(opt = {}) {
+    const { key, iv } = opt;
+    if (key) {
+      this.key = parseUtf8(key);
+    }
+    if (iv) {
+      this.iv = parseUtf8(iv);
+    }
+  }
+
+  get getOptions() {
+    return {
+      mode: CryptoJS.mode.CBC,
+      padding: pkcs7,
+      iv: this.iv,
+    };
+  }
+
+  encryptByAES(cipherText) {
+    return encrypt(cipherText, this.key, this.getOptions).toString();
+  }
+
+  decryptByAES(cipherText) {
+    return decrypt(cipherText, this.key, this.getOptions).toString(UTF8);
+  }
+
+  // 将 Uint8Array 转换为 CryptoJS.lib.WordArray
+  static uint8ArrayToWordArray(uint8Array) {
+    const words = [];
+    for (let i = 0; i < uint8Array.length; i += 4) {
+      let word = 0;
+      for (let j = 0; j < 4 && i + j < uint8Array.length; j++) {
+        word |= (uint8Array[i + j] & 0xff) << (24 - 8 * j);
+      }
+      words.push(word);
+    }
+    return CryptoJS.lib.WordArray.create(words, uint8Array.length);
+  }
+
+  // 将 CryptoJS.lib.WordArray 转换为 Uint8Array
+  static wordArrayToUint8Array(wordArray) {
+    const words = wordArray.words;
+    const sigBytes = wordArray.sigBytes;
+    const uint8Array = new Uint8Array(sigBytes);
+
+    for (let i = 0; i < sigBytes; i++) {
+      const byte = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+      uint8Array[i] = byte;
+    }
+
+    return uint8Array;
+  }
+}
+
+function encryptByBase64(cipherText) {
+  return UTF8.parse(cipherText).toString(Base64);
+}
+
+function decodeByBase64(cipherText) {
+  return Base64.parse(cipherText).toString(UTF8);
+}
+
+function encryptByMd5(password) {
+  return md5(password).toString();
+}
+
+function getLoginCipher() {
+	return {
+	  key: '_11111000001111@',
+	  iv: '@11111000001111_',
+	};
+}
+
+// 导出需要的函数和类
+export { AesEncryption, encryptByBase64, decodeByBase64, encryptByMd5, getLoginCipher };