PasswordVault.cpp File Reference

Go to the source code of this file.

Functions
static void	secureClear (std::string &s)
static std::string	toHex (const unsigned char *data, size_t len)
static std::string	toHex (const std::string &s)
static std::string	fromHex (const std::string &hex)
static std::string	csvEscape (const std::string &s)

Function Documentation

csvEscape()

std::string csvEscape ( const std::string & s )

static

Definition at line 77 of file PasswordVault.cpp.

                                               {
    bool needs = s.find_first_of(",\"\n\r") != std::string::npos;
    if (!needs) return s;
    std::string out = "\"";
    for (char c : s) { if (c == '"') out += "\"\""; else out += c; }
    return out + '"';
}

References csvEscape().

Referenced by csvEscape(), and PasswordVault::exportToCSV().

fromHex()

std::string fromHex ( const std::string & hex )

static

Definition at line 62 of file PasswordVault.cpp.

                                               {
    std::string out;
    out.reserve(hex.size() / 2);
    for (size_t i = 0; i + 1 < hex.size(); i += 2) {
        try {
            out.push_back(static_cast<char>(std::stoi(hex.substr(i, 2), nullptr, 16)));
        } catch (...) {
            // byte non valido (vault corrotto o non-hex): restituisci vuoto
            // così il caller sa che la decodifica è fallita.
            return {};
        }
    }
    return out;
}

References fromHex().

Referenced by PasswordVault::deriveKey(), fromHex(), PasswordVault::loadSecretsFile(), PasswordVault::pbkdf2Hex(), and PasswordVault::saveSecretsFile().

secureClear()

void secureClear ( std::string & s )

static

Definition at line 41 of file PasswordVault.cpp.

                                      {
    if (!s.empty()) {
        volatile char* p = const_cast<volatile char*>(s.data());
        std::memset(const_cast<char*>(s.data()), 0, s.size());
        (void)p;
        s.clear();
    }
}

References secureClear().

Referenced by PasswordVault::lock(), and secureClear().

toHex() [1/2]

std::string toHex ( const std::string & s )

static

Definition at line 58 of file PasswordVault.cpp.

                                           {
    return toHex(reinterpret_cast<const unsigned char*>(s.data()), s.size());
}

References toHex().

toHex() [2/2]

std::string toHex ( const unsigned char * data, size_t len )

static

Definition at line 50 of file PasswordVault.cpp.

                                                              {
    std::ostringstream oss;
    oss << std::hex << std::setfill('0');
    for (size_t i = 0; i < len; ++i)
        oss << std::setw(2) << static_cast<int>(data[i]);
    return oss.str();
}

References toHex().

Referenced by PasswordVault::generateNonceHex(), PasswordVault::generateSaltHex(), PasswordVault::pbkdf2Hex(), PasswordVault::saveSecretsFile(), toHex(), and toHex().