架构师训练营 Week 11 作业

#include <string>
#include <iostream>
using namespace std;
class Security
{
public:
    bool static checkPW(const string &userId, const string &password, const string &ciphertext)
    {
        string salt = userId;
        return generateCiphertext(salt + password) == ciphertext;
    }
    string static generateCiphertext(const string &plaintext)
    {
        return to_string(hash<string>{}(plaintext));
    }
};