C++安全密码生成与强度检测

本文作者原创，首发在本博客；CSDN 上的同名文章已标注为转载并回链到本页：https://blog.csdn.net/qq_30220519/article/details/142549913

目标

密码生成

// Function to generate a random password
std::string generatePassword(int length, bool includeUpper, bool includeNumbers, bool includeSymbols) {
    std::string lower = "abcdefghijklmnopqrstuvwxyz";
    std::string upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    std::string numbers = "0123456789";
    std::string symbols = "!@#$%^&*()_+-=[]{}|;:',.<>?/`~";

    std::string characters = lower;

    if (includeUpper) characters += upper;
    if (includeNumbers) characters += numbers;
    if (includeSymbols) characters += symbols;

    std::random_device rd;
    std::mt19937 generator(rd());
    std::uniform_int_distribution<> dist(0, characters.size() - 1);

    std::string password;
    for (int i = 0; i < length; ++i) {
        password += characters[dist(generator)];
    }

    return password;
}

def generate_strong_password(length):
    characters = string.ascii_letters + string.digits + string.punctuation
    password = ''.join(random.choice(characters) for i in range(length))
    return password

密码检测

// Function to assess password strength
std::string assessPasswordStrength(const std::string& password, bool includeUpper, bool includeNumbers, bool includeSymbols) {
    int length = password.length();
    bool hasLower = false, hasUpper = false, hasDigit = false, hasSymbol = false;

    for (char c : password) {
        if (islower(c)) hasLower = true;
        if (isupper(c)) hasUpper = true;
        if (isdigit(c)) hasDigit = true;
        if (ispunct(c)) hasSymbol = true;
    }

    // Determine password strength
    if (length >= 12 && hasLower && hasUpper && hasDigit && hasSymbol) {
        return GREEN;  // Strong
    } else if (length >= 8 && ((hasUpper && hasLower) || (hasLower && hasDigit) || (hasUpper && hasDigit))) {
        return YELLOW;  // Medium
    } else {
        return RED;  // Weak
    }
}

效果

pass.exe -l 12 -u -n -s

i7{wQx?qkr-<

参考

GitHub - anlaki-py/pass-gen: Simple/secure password generator that you can quickly run everywhere in your terminal.

C++密码安全检测-CSDN博客

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