Class SHA256Hashing

web/src/utils/cipher.ts:98–115

// Define a singleton class for SHA256 Hashing
class SHA256Hashing implements Hashing {
  private static instance: SHA256Hashing;

  private constructor() {}

  // Get the singleton instance
  // 获取单例实例
  public static getInstance(): SHA256Hashing {
    if (!SHA256Hashing.instance) {
      SHA256Hashing.instance = new SHA256Hashing();
    }
    return SHA256Hashing.instance;
  }

  hash(plainText: string) {
    return SHA256(plainText).toString();
  }
}

// Define a singleton class for SHA512 Hashing
class SHA512Hashing implements Hashing {