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@@ -1,54 +1,159 @@
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-import { encrypt, decrypt } from 'crypto-js/aes';
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+import { decrypt as aesDecrypt, encrypt as aesEncrypt } from 'crypto-js/aes';
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import UTF8, { parse } from 'crypto-js/enc-utf8';
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import pkcs7 from 'crypto-js/pad-pkcs7';
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-import ECB from 'crypto-js/mode-ecb';
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-import md5 from 'crypto-js/md5';
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+import CTR from 'crypto-js/mode-ctr';
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import Base64 from 'crypto-js/enc-base64';
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+import MD5 from 'crypto-js/md5';
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+import SHA256 from 'crypto-js/sha256';
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+import SHA512 from 'crypto-js/sha512';
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+
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+// Define an interface for encryption
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+// 定义一个加密器的接口
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+export interface Encryption {
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+ encrypt(plainText: string): string;
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+ decrypt(cipherText: string): string;
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+}
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+// Define an interface for Hashing
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+// 定义一个哈希算法的接口
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+export interface Hashing {
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+ hash(data: string): string;
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+}
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export interface EncryptionParams {
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key: string;
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iv: string;
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}
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-export class AesEncryption {
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- private key;
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- private iv;
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+class AesEncryption implements Encryption {
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+ private readonly key;
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+ private readonly iv;
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- constructor(opt: Partial<EncryptionParams> = {}) {
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- const { key, iv } = opt;
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- if (key) {
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- this.key = parse(key);
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- }
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- if (iv) {
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- this.iv = parse(iv);
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- }
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+ constructor({ key, iv }: EncryptionParams) {
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+ this.key = parse(key);
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+ this.iv = parse(iv);
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}
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get getOptions() {
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return {
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- mode: ECB,
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+ mode: CTR,
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padding: pkcs7,
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iv: this.iv,
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};
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}
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- encryptByAES(cipherText: string) {
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- return encrypt(cipherText, this.key, this.getOptions).toString();
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+ encrypt(plainText: string) {
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+ return aesEncrypt(plainText, this.key, this.getOptions).toString();
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}
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- decryptByAES(cipherText: string) {
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- return decrypt(cipherText, this.key, this.getOptions).toString(UTF8);
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+ decrypt(cipherText: string) {
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+ return aesDecrypt(cipherText, this.key, this.getOptions).toString(UTF8);
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}
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}
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-export function encryptByBase64(cipherText: string) {
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- return UTF8.parse(cipherText).toString(Base64);
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+// Define a singleton class for Base64 encryption
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+class Base64Encryption implements Encryption {
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+ private static instance: Base64Encryption;
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+
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+ private constructor() {}
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+
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+ // Get the singleton instance
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+ // 获取单例实例
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+ public static getInstance(): Base64Encryption {
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+ if (!Base64Encryption.instance) {
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+ Base64Encryption.instance = new Base64Encryption();
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+ }
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+ return Base64Encryption.instance;
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+ }
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+
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+ encrypt(plainText: string) {
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+ return UTF8.parse(plainText).toString(Base64);
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+ }
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+
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+ decrypt(cipherText: string) {
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+ return Base64.parse(cipherText).toString(UTF8);
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+ }
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}
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-export function decodeByBase64(cipherText: string) {
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- return Base64.parse(cipherText).toString(UTF8);
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+// Define a singleton class for MD5 Hashing
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+class MD5Hashing implements Hashing {
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+ private static instance: MD5Hashing;
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+
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+ private constructor() {}
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+
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+ // Get the singleton instance
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+ // 获取单例实例
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+ public static getInstance(): MD5Hashing {
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+ if (!MD5Hashing.instance) {
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+ MD5Hashing.instance = new MD5Hashing();
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+ }
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+ return MD5Hashing.instance;
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+ }
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+
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+ hash(plainText: string) {
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+ return MD5(plainText).toString();
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+ }
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}
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-export function encryptByMd5(password: string) {
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- return md5(password).toString();
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+// Define a singleton class for SHA256 Hashing
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+class SHA256Hashing implements Hashing {
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+ private static instance: SHA256Hashing;
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+
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+ private constructor() {}
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+
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+ // Get the singleton instance
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+ // 获取单例实例
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+ public static getInstance(): SHA256Hashing {
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+ if (!SHA256Hashing.instance) {
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+ SHA256Hashing.instance = new SHA256Hashing();
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+ }
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+ return SHA256Hashing.instance;
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+ }
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+
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+ hash(plainText: string) {
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+ return SHA256(plainText).toString();
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+ }
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+}
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+
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+// Define a singleton class for SHA512 Hashing
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+class SHA512Hashing implements Hashing {
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+ private static instance: SHA512Hashing;
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+
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+ private constructor() {}
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+
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+ // Get the singleton instance
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+ // 获取单例实例
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+ public static getInstance(): SHA256Hashing {
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+ if (!SHA512Hashing.instance) {
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+ SHA512Hashing.instance = new SHA512Hashing();
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+ }
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+ return SHA512Hashing.instance;
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+ }
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+
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+ hash(plainText: string) {
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+ return SHA512(plainText).toString();
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+ }
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+}
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+
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+export class EncryptionFactory {
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+ public static createAesEncryption(params: EncryptionParams): Encryption {
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+ return new AesEncryption(params);
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+ }
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+
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+ public static createBase64Encryption(): Encryption {
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+ return Base64Encryption.getInstance();
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+ }
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+}
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+
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+export class HashingFactory {
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+ public static createMD5Hashing(): Hashing {
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+ return MD5Hashing.getInstance();
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+ }
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+
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+ public static createSHA256Hashing(): Hashing {
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+ return SHA256Hashing.getInstance();
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+ }
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+
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+ public static createSHA512Hashing(): Hashing {
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+ return SHA512Hashing.getInstance();
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+ }
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}
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